[INFO] fetching crate mmap_json_file 0.1.5...
[INFO] testing mmap_json_file-0.1.5 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate mmap_json_file 0.1.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mmap_json_file 0.1.5 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mmap_json_file 0.1.5
[INFO] finished tweaking crates.io crate mmap_json_file 0.1.5
[INFO] tweaked toml for crates.io crate mmap_json_file 0.1.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bc8abbfb5dec2bc5cd370b8a4f8c0d96a1b30a887dc0f31d7cd25b7ff7c69ff
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2bc8abbfb5dec2bc5cd370b8a4f8c0d96a1b30a887dc0f31d7cd25b7ff7c69ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bc8abbfb5dec2bc5cd370b8a4f8c0d96a1b30a887dc0f31d7cd25b7ff7c69ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc8abbfb5dec2bc5cd370b8a4f8c0d96a1b30a887dc0f31d7cd25b7ff7c69ff", kill_on_drop: false }`
[INFO] [stdout] 2bc8abbfb5dec2bc5cd370b8a4f8c0d96a1b30a887dc0f31d7cd25b7ff7c69ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3a2a8f7f9da28324677f84241c70707154f3577407871284d201ef780600a3f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d3a2a8f7f9da28324677f84241c70707154f3577407871284d201ef780600a3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling standback v0.2.13
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling mmap_json_file v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable while-let pattern
[INFO] [stdout]    --> src/lib.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 | /         while let record = receiver.recv() {
[INFO] [stdout] 102 | |             match record {
[INFO] [stdout] 103 | |                 Err(_reason) => {
[INFO] [stdout] 104 | |                     break;
[INFO] [stdout] ...   |
[INFO] [stdout] 119 | |             }
[INFO] [stdout] 120 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable while-let pattern
[INFO] [stdout]    --> src/lib.rs:419:9
[INFO] [stdout]     |
[INFO] [stdout] 419 | /         while let record = receiver.recv() {
[INFO] [stdout] 420 | |             match record {
[INFO] [stdout] 421 | |                 Err(_reason) => {
[INFO] [stdout] 422 | |                     break;
[INFO] [stdout] ...   |
[INFO] [stdout] 435 | |             }
[INFO] [stdout] 436 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]    --> src/lib.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |             Err(reason) => {
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:414:9
[INFO] [stdout]     |
[INFO] [stdout] 414 |     let mut output = File::create(o.clone()).unwrap();
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.70s
[INFO] running `Command { std: "docker" "inspect" "d3a2a8f7f9da28324677f84241c70707154f3577407871284d201ef780600a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3a2a8f7f9da28324677f84241c70707154f3577407871284d201ef780600a3f", kill_on_drop: false }`
[INFO] [stdout] d3a2a8f7f9da28324677f84241c70707154f3577407871284d201ef780600a3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a8dcd9deb963aaa4d68ffd9fafb6d889f58276316aadd464dff2b61ad8bdf3b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6a8dcd9deb963aaa4d68ffd9fafb6d889f58276316aadd464dff2b61ad8bdf3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mmap_json_file v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable while-let pattern
[INFO] [stdout]    --> src/lib.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 | /         while let record = receiver.recv() {
[INFO] [stdout] 102 | |             match record {
[INFO] [stdout] 103 | |                 Err(_reason) => {
[INFO] [stdout] 104 | |                     break;
[INFO] [stdout] ...   |
[INFO] [stdout] 119 | |             }
[INFO] [stdout] 120 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable while-let pattern
[INFO] [stdout]    --> src/lib.rs:419:9
[INFO] [stdout]     |
[INFO] [stdout] 419 | /         while let record = receiver.recv() {
[INFO] [stdout] 420 | |             match record {
[INFO] [stdout] 421 | |                 Err(_reason) => {
[INFO] [stdout] 422 | |                     break;
[INFO] [stdout] ...   |
[INFO] [stdout] 435 | |             }
[INFO] [stdout] 436 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]    --> src/lib.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |             Err(reason) => {
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:414:9
[INFO] [stdout]     |
[INFO] [stdout] 414 |     let mut output = File::create(o.clone()).unwrap();
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable while-let pattern
[INFO] [stdout]    --> src/lib.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 | /         while let record = receiver.recv() {
[INFO] [stdout] 102 | |             match record {
[INFO] [stdout] 103 | |                 Err(_reason) => {
[INFO] [stdout] 104 | |                     break;
[INFO] [stdout] ...   |
[INFO] [stdout] 119 | |             }
[INFO] [stdout] 120 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable while-let pattern
[INFO] [stdout]    --> src/lib.rs:419:9
[INFO] [stdout]     |
[INFO] [stdout] 419 | /         while let record = receiver.recv() {
[INFO] [stdout] 420 | |             match record {
[INFO] [stdout] 421 | |                 Err(_reason) => {
[INFO] [stdout] 422 | |                     break;
[INFO] [stdout] ...   |
[INFO] [stdout] 435 | |             }
[INFO] [stdout] 436 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]    --> src/lib.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |             Err(reason) => {
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:414:9
[INFO] [stdout]     |
[INFO] [stdout] 414 |     let mut output = File::create(o.clone()).unwrap();
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter`
[INFO] [stdout]    --> tests/main.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |         let filter = |record: AirportCodes| -> bool { record.iso_country.unwrap() == "IN" };
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.88s
[INFO] running `Command { std: "docker" "inspect" "6a8dcd9deb963aaa4d68ffd9fafb6d889f58276316aadd464dff2b61ad8bdf3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a8dcd9deb963aaa4d68ffd9fafb6d889f58276316aadd464dff2b61ad8bdf3b", kill_on_drop: false }`
[INFO] [stdout] 6a8dcd9deb963aaa4d68ffd9fafb6d889f58276316aadd464dff2b61ad8bdf3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4c100c7a8ce5efaa020d48e3c5d6afd18e6877d64a76a7a22f8379667158c2d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d4c100c7a8ce5efaa020d48e3c5d6afd18e6877d64a76a7a22f8379667158c2d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: irrefutable while-let pattern
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/lib.rs:101:9
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 101 | /         while let record = receiver.recv() {
[INFO] [stdout] 
[INFO] [stderr] 102 | |             match record {
[INFO] [stderr] 103 | |                 Err(_reason) => {
[INFO] [stderr] 104 | |                     break;
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |             }
[INFO] [stderr] 120 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable while-let pattern
[INFO] [stderr]    --> src/lib.rs:419:9
[INFO] [stderr]     |
[INFO] [stderr] 419 | /         while let record = receiver.recv() {
[INFO] [stderr] 420 | |             match record {
[INFO] [stderr] 421 | |                 Err(_reason) => {
[INFO] [stderr] 422 | |                     break;
[INFO] [stderr] ...   |
[INFO] [stderr] 435 | |             }
[INFO] [stderr] 436 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reason`
[INFO] [stderr]    --> src/lib.rs:128:17
[INFO] [stderr]     |
[INFO] [stderr] 128 |             Err(reason) => {
[INFO] [stderr]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:414:9
[INFO] [stderr]     |
[INFO] [stderr] 414 |     let mut output = File::create(o.clone()).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable while-let pattern
[INFO] [stderr]    --> src/lib.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 | /         while let record = receiver.recv() {
[INFO] [stderr] 102 | |             match record {
[INFO] [stderr] 103 | |                 Err(_reason) => {
[INFO] [stderr] 104 | |                     break;
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |             }
[INFO] [stderr] 120 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable while-let pattern
[INFO] [stderr]    --> src/lib.rs:419:9
[INFO] [stderr]     |
[INFO] [stderr] 419 | /         while let record = receiver.recv() {
[INFO] [stderr] 420 | |             match record {
[INFO] [stderr] 421 | |                 Err(_reason) => {
[INFO] [stderr] 422 | |                     break;
[INFO] [stderr] ...   |
[INFO] [stderr] 435 | |             }
[INFO] [stderr] 436 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reason`
[INFO] [stderr]    --> src/lib.rs:128:17
[INFO] [stderr]     |
[INFO] [stderr] 128 |             Err(reason) => {
[INFO] [stderr]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:414:9
[INFO] [stderr]     |
[INFO] [stderr] 414 |     let mut output = File::create(o.clone()).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filter`
[INFO] [stderr]    --> tests/main.rs:214:13
[INFO] [stderr]     |
[INFO] [stderr] 214 |         let filter = |record: AirportCodes| -> bool { record.iso_country.unwrap() == "IN" };
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mmap_json_file-25ca39b3b495d547
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/main-379ff674e5337379
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::count_test_simple_json ... ok
[INFO] [stdout] test tests::count_test_simple_with_filter_json ... ok
[INFO] [stdout] test tests::count_test_simple_nested_json ... ok
[INFO] [stdout] test tests::test_sum_over_field ... ok
[INFO] [stdout] test tests::count_test_simple_nested_with_filter_json ... ok
[INFO] [stdout] test tests::count_airports ... FAILED
[INFO] [stdout] test tests::filter_out_airports_no_results ... FAILED
[INFO] [stdout] test tests::filter_out_json_by_value ... FAILED
[INFO] [stdout] test tests::test_sum_over_field_airport_elevation_ft ... FAILED
[INFO] [stdout] test tests::write_distinct_fields ... FAILED
[INFO] [stdout] test tests::write_distinct_fields_large_json ... FAILED
[INFO] [stdout] test tests::filter_out_json_no_results ... FAILED
[INFO] [stdout] test tests::count_with_filter_airports ... FAILED
[INFO] [stdout] test tests::filter_out_airports_in_country ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::count_airports stdout ----
[INFO] [stdout] thread 'tests::count_airports' panicked at 'failed to open the file: Os { code: 2, kind: NotFound, message: "No such file or directory" }', /opt/rustwide/workdir/src/lib.rs:329:30
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55978b200f10 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55978b200f10 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55978b200f10 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55978b200f10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7881e3a580134f9a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55978b225c6c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/fmt/mod.rs:1078:17
[INFO] [stdout]    5:     0x55978b1fd3b2 - std::io::Write::write_fmt::hd17811b9a5dec54b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/io/mod.rs:1519:15
[INFO] [stdout]    6:     0x55978b203745 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55978b203745 - std::sys_common::backtrace::print::hd22ac23fed5071c8
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55978b203745 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55978b2032d2 - std::panicking::default_hook::hb08853b392b9404b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55978b203ee1 - std::panicking::rust_panic_with_hook::h3624ee29da369ede
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:591:17
[INFO] [stdout]   11:     0x55978b203a27 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:497:13
[INFO] [stdout]   12:     0x55978b2013cc - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55978b203989 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:493:5
[INFO] [stdout]   14:     0x55978b2245f1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55978b224413 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/option.rs:1268:5
[INFO] [stdout]   16:     0x55978b120ae9 - core::result::Result<T,E>::expect::h2ed4d6b43f82ba59
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/result.rs:933:23
[INFO] [stdout]   17:     0x55978b12c3f2 - mmap_json_file::count::h31bf549b045ba516
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:329:16
[INFO] [stdout]   18:     0x55978b1125fa - main::tests::count_airports::h8543e77d2a448b2f
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/main.rs:217:20
[INFO] [stdout]   19:     0x55978b11249a - main::tests::count_airports::{{closure}}::h324441a531c4183f
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/main.rs:210:5
[INFO] [stdout]   20:     0x55978b13ecae - core::ops::function::FnOnce::call_once::hd65ed07b8ef4c8be
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55978b1a7d63 - core::ops::function::FnOnce::call_once::h72b3efc134abec04
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x55978b1a7d63 - test::__rust_begin_short_backtrace::hf76173a3f44f554b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:516:5
[INFO] [stdout]   23:     0x55978b1a6458 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h49f5b686efed1e06
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   24:     0x55978b1a6458 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4879f836ca9aaead
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   25:     0x55978b1a6458 - std::panicking::try::do_call::h9655796ce3021b6c
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   26:     0x55978b1a6458 - std::panicking::try::h346508ed448399f4
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   27:     0x55978b1a6458 - std::panic::catch_unwind::h00e84f4e9c3caaa0
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   28:     0x55978b1a6458 - test::run_test_in_process::hc80321f825c30106
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:538:18
[INFO] [stdout]   29:     0x55978b1a6458 - test::run_test::run_test_inner::{{closure}}::h89c217441620999f
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:449:39
[INFO] [stdout]   30:     0x55978b180a46 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3852ec0877008db6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55978b18520d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h7c7dfff4b938ae67
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:474:17
[INFO] [stdout]   32:     0x55978b18520d - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8db0dd15c072a403
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   33:     0x55978b18520d - std::panicking::try::do_call::haad8639857ae1187
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   34:     0x55978b18520d - std::panicking::try::h61de115e9dce60f6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   35:     0x55978b18520d - std::panic::catch_unwind::h50601fd82666a838
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   36:     0x55978b18520d - std::thread::Builder::spawn_unchecked::{{closure}}::hac267391ef9d21bd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:473:30
[INFO] [stdout]   37:     0x55978b18520d - core::ops::function::FnOnce::call_once{{vtable.shim}}::heb15d2d9c42706b7
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55978b2094fa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5446ed3fdb82006e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   39:     0x55978b2094fa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h62a21a889329a3f2
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   40:     0x55978b2094fa - std::sys::unix::thread::Thread::new::thread_start::h62402416daf174b6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7f2b76ec7609 - start_thread
[INFO] [stdout]   42:     0x7f2b76c99293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::filter_out_airports_no_results stdout ----
[INFO] [stdout] thread 'tests::filter_out_airports_no_results' panicked at 'failed to open the input file.: Os { code: 2, kind: NotFound, message: "No such file or directory" }', /opt/rustwide/workdir/src/lib.rs:84:30
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55978b200f10 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55978b200f10 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55978b200f10 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55978b200f10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7881e3a580134f9a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55978b225c6c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/fmt/mod.rs:1078:17
[INFO] [stdout]    5:     0x55978b1fd3b2 - std::io::Write::write_fmt::hd17811b9a5dec54b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/io/mod.rs:1519:15
[INFO] [stdout]    6:     0x55978b203745 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55978b203745 - std::sys_common::backtrace::print::hd22ac23fed5071c8
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55978b203745 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55978b2032d2 - std::panicking::default_hook::hb08853b392b9404b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55978b203ee1 - std::panicking::rust_panic_with_hook::h3624ee29da369ede
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:591:17
[INFO] [stdout]   11:     0x55978b203a27 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:497:13
[INFO] [stdout]   12:     0x55978b2013cc - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55978b203989 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:493:5
[INFO] [stdout]   14:     0x55978b2245f1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55978b224413 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/option.rs:1268:5
[INFO] [stdout]   16:     0x55978b120ae9 - core::result::Result<T,E>::expect::h2ed4d6b43f82ba59
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/result.rs:933:23
[INFO] [stdout]   17:     0x55978b12d943 - mmap_json_file::filter::hbced9ee93413c648
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:84:16
[INFO] [stdout]   18:     0x55978b111564 - main::tests::filter_out_airports_no_results::h9b870779922142da
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/main.rs:180:20
[INFO] [stdout]   19:     0x55978b11138a - main::tests::filter_out_airports_no_results::{{closure}}::hc356cd700aca74fd
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/main.rs:173:5
[INFO] [stdout]   20:     0x55978b13e78e - core::ops::function::FnOnce::call_once::h697d64dd5ecb45ca
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55978b1a7d63 - core::ops::function::FnOnce::call_once::h72b3efc134abec04
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x55978b1a7d63 - test::__rust_begin_short_backtrace::hf76173a3f44f554b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:516:5
[INFO] [stdout]   23:     0x55978b1a6458 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h49f5b686efed1e06
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   24:     0x55978b1a6458 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4879f836ca9aaead
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   25:     0x55978b1a6458 - std::panicking::try::do_call::h9655796ce3021b6c
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   26:     0x55978b1a6458 - std::panicking::try::h346508ed448399f4
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   27:     0x55978b1a6458 - std::panic::catch_unwind::h00e84f4e9c3caaa0
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   28:     0x55978b1a6458 - test::run_test_in_process::hc80321f825c30106
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:538:18
[INFO] [stdout]   29:     0x55978b1a6458 - test::run_test::run_test_inner::{{closure}}::h89c217441620999f
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:449:39
[INFO] [stdout]   30:     0x55978b180a46 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3852ec0877008db6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55978b18520d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h7c7dfff4b938ae67
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:474:17
[INFO] [stdout]   32:     0x55978b18520d - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8db0dd15c072a403
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   33:     0x55978b18520d - std::panicking::try::do_call::haad8639857ae1187
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   34:     0x55978b18520d - std::panicking::try::h61de115e9dce60f6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   35:     0x55978b18520d - std::panic::catch_unwind::h50601fd82666a838
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   36:     0x55978b18520d - std::thread::Builder::spawn_unchecked::{{closure}}::hac267391ef9d21bd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:473:30
[INFO] [stdout]   37:     0x55978b18520d - core::ops::function::FnOnce::call_once{{vtable.shim}}::heb15d2d9c42706b7
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55978b2094fa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5446ed3fdb82006e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   39:     0x55978b2094fa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h62a21a889329a3f2
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   40:     0x55978b2094fa - std::sys::unix::thread::Thread::new::thread_start::h62402416daf174b6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7f2b76ec7609 - start_thread
[INFO] [stdout]   42:     0x7f2b76c99293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::filter_out_json_by_value stdout ----
[INFO] [stdout] thread 'tests::filter_out_json_by_value' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/workdir/src/lib.rs:91:46
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55978b200f10 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55978b200f10 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55978b200f10 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55978b200f10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7881e3a580134f9a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55978b225c6c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/fmt/mod.rs:1078:17
[INFO] [stdout]    5:     0x55978b1fd3b2 - std::io::Write::write_fmt::hd17811b9a5dec54b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/io/mod.rs:1519:15
[INFO] [stdout]    6:     0x55978b203745 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55978b203745 - std::sys_common::backtrace::print::hd22ac23fed5071c8
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55978b203745 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55978b2032d2 - std::panicking::default_hook::hb08853b392b9404b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55978b203ee1 - std::panicking::rust_panic_with_hook::h3624ee29da369ede
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:591:17
[INFO] [stdout]   11:     0x55978b203a27 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:497:13
[INFO] [stdout]   12:     0x55978b2013cc - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55978b203989 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:493:5
[INFO] [stdout]   14:     0x55978b2245f1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55978b224413 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/option.rs:1268:5
[INFO] [stdout]   16:     0x55978b1212bb - core::result::Result<T,E>::unwrap::h44920e981f9630de
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/result.rs:973:23
[INFO] [stdout]   17:     0x55978b12cf97 - mmap_json_file::filter::h1786ea3238d925ec
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:91:22
[INFO] [stdout]   18:     0x55978b110c04 - main::tests::filter_out_json_by_value::hfe83e5a4ebcb686e
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/main.rs:145:20
[INFO] [stdout]   19:     0x55978b110a2a - main::tests::filter_out_json_by_value::{{closure}}::hcf239357d5633fcb
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/main.rs:138:5
[INFO] [stdout]   20:     0x55978b13e8ae - core::ops::function::FnOnce::call_once::h7f66467061e2fb35
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55978b1a7d63 - core::ops::function::FnOnce::call_once::h72b3efc134abec04
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x55978b1a7d63 - test::__rust_begin_short_backtrace::hf76173a3f44f554b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:516:5
[INFO] [stdout]   23:     0x55978b1a6458 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h49f5b686efed1e06
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   24:     0x55978b1a6458 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4879f836ca9aaead
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   25:     0x55978b1a6458 - std::panicking::try::do_call::h9655796ce3021b6c
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   26:     0x55978b1a6458 - std::panicking::try::h346508ed448399f4
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   27:     0x55978b1a6458 - std::panic::catch_unwind::h00e84f4e9c3caaa0
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   28:     0x55978b1a6458 - test::run_test_in_process::hc80321f825c30106
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:538:18
[INFO] [stdout]   29:     0x55978b1a6458 - test::run_test::run_test_inner::{{closure}}::h89c217441620999f
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:449:39
[INFO] [stdout]   30:     0x55978b180a46 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3852ec0877008db6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55978b18520d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h7c7dfff4b938ae67
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:474:17
[INFO] [stdout]   32:     0x55978b18520d - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8db0dd15c072a403
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   33:     0x55978b18520d - std::panicking::try::do_call::haad8639857ae1187
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   34:     0x55978b18520d - std::panicking::try::h61de115e9dce60f6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   35:     0x55978b18520d - std::panic::catch_unwind::h50601fd82666a838
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   36:     0x55978b18520d - std::thread::Builder::spawn_unchecked::{{closure}}::hac267391ef9d21bd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:473:30
[INFO] [stdout]   37:     0x55978b18520d - core::ops::function::FnOnce::call_once{{vtable.shim}}::heb15d2d9c42706b7
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55978b2094fa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5446ed3fdb82006e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   39:     0x55978b2094fa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h62a21a889329a3f2
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   40:     0x55978b2094fa - std::sys::unix::thread::Thread::new::thread_start::h62402416daf174b6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7f2b76ec7609 - start_thread
[INFO] [stdout]   42:     0x7f2b76c99293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_sum_over_field_airport_elevation_ft stdout ----
[INFO] [stdout] thread 'tests::test_sum_over_field_airport_elevation_ft' panicked at 'failed to open the file: Os { code: 2, kind: NotFound, message: "No such file or directory" }', /opt/rustwide/workdir/src/lib.rs:553:30
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55978b200f10 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55978b200f10 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55978b200f10 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55978b200f10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7881e3a580134f9a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55978b225c6c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/fmt/mod.rs:1078:17
[INFO] [stdout]    5:     0x55978b1fd3b2 - std::io::Write::write_fmt::hd17811b9a5dec54b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/io/mod.rs:1519:15
[INFO] [stdout]    6:     0x55978b203745 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55978b203745 - std::sys_common::backtrace::print::hd22ac23fed5071c8
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55978b203745 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55978b2032d2 - std::panicking::default_hook::hb08853b392b9404b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55978b203ee1 - std::panicking::rust_panic_with_hook::h3624ee29da369ede
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:591:17
[INFO] [stdout]   11:     0x55978b203a27 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:497:13
[INFO] [stdout]   12:     0x55978b2013cc - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55978b203989 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:493:5
[INFO] [stdout]   14:     0x55978b2245f1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55978b224413 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/option.rs:1268:5
[INFO] [stdout]   16:     0x55978b120ae9 - core::result::Result<T,E>::expect::h2ed4d6b43f82ba59
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/result.rs:933:23
[INFO] [stdout]   17:     0x55978b128e6d - mmap_json_file::sum_over_field::h8421ff8c189579a3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:553:16
[INFO] [stdout]   18:     0x55978b114389 - main::tests::test_sum_over_field_airport_elevation_ft::hc1bbfe3bbe972b26
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/main.rs:312:20
[INFO] [stdout]   19:     0x55978b1141da - main::tests::test_sum_over_field_airport_elevation_ft::{{closure}}::hd9d8211507c053d5
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/main.rs:295:5
[INFO] [stdout]   20:     0x55978b13e4de - core::ops::function::FnOnce::call_once::h2735d6c62a5c4983
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55978b1a7d63 - core::ops::function::FnOnce::call_once::h72b3efc134abec04
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x55978b1a7d63 - test::__rust_begin_short_backtrace::hf76173a3f44f554b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:516:5
[INFO] [stdout]   23:     0x55978b1a6458 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h49f5b686efed1e06
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   24:     0x55978b1a6458 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4879f836ca9aaead
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   25:     0x55978b1a6458 - std::panicking::try::do_call::h9655796ce3021b6c
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   26:     0x55978b1a6458 - std::panicking::try::h346508ed448399f4
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   27:     0x55978b1a6458 - std::panic::catch_unwind::h00e84f4e9c3caaa0
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   28:     0x55978b1a6458 - test::run_test_in_process::hc80321f825c30106
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:538:18
[INFO] [stdout]   29:     0x55978b1a6458 - test::run_test::run_test_inner::{{closure}}::h89c217441620999f
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:449:39
[INFO] [stdout]   30:     0x55978b180a46 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3852ec0877008db6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55978b18520d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h7c7dfff4b938ae67
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:474:17
[INFO] [stdout]   32:     0x55978b18520d - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8db0dd15c072a403
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   33:     0x55978b18520d - std::panicking::try::do_call::haad8639857ae1187
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   34:     0x55978b18520d - std::panicking::try::h61de115e9dce60f6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   35:     0x55978b18520d - std::panic::catch_unwind::h50601fd82666a838
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   36:     0x55978b18520d - std::thread::Builder::spawn_unchecked::{{closure}}::hac267391ef9d21bd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:473:30
[INFO] [stdout]   37:     0x55978b18520d - core::ops::function::FnOnce::call_once{{vtable.shim}}::heb15d2d9c42706b7
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55978b2094fa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5446ed3fdb82006e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   39:     0x55978b2094fa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h62a21a889329a3f2
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   40:     0x55978b2094fa - std::sys::unix::thread::Thread::new::thread_start::h62402416daf174b6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7f2b76ec7609 - start_thread
[INFO] [stdout]   42:     0x7f2b76c99293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::write_distinct_fields stdout ----
[INFO] [stdout] thread 'tests::write_distinct_fields' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/workdir/src/lib.rs:414:46
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55978b200f10 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55978b200f10 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55978b200f10 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55978b200f10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7881e3a580134f9a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55978b225c6c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/fmt/mod.rs:1078:17
[INFO] [stdout]    5:     0x55978b1fd3b2 - std::io::Write::write_fmt::hd17811b9a5dec54b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/io/mod.rs:1519:15
[INFO] [stdout]    6:     0x55978b203745 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55978b203745 - std::sys_common::backtrace::print::hd22ac23fed5071c8
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55978b203745 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55978b2032d2 - std::panicking::default_hook::hb08853b392b9404b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55978b203ee1 - std::panicking::rust_panic_with_hook::h3624ee29da369ede
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:591:17
[INFO] [stdout]   11:     0x55978b203a27 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:497:13
[INFO] [stdout]   12:     0x55978b2013cc - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55978b203989 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:493:5
[INFO] [stdout]   14:     0x55978b2245f1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55978b224413 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/option.rs:1268:5
[INFO] [stdout]   16:     0x55978b1212bb - core::result::Result<T,E>::unwrap::h44920e981f9630de
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/result.rs:973:23
[INFO] [stdout]   17:     0x55978b12a7e1 - mmap_json_file::distinct_of_field::h22196b30e5cd5e1d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:414:22
[INFO] [stdout]   18:     0x55978b113584 - main::tests::write_distinct_fields::h3ac8aedfae2bd8da
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/main.rs:253:20
[INFO] [stdout]   19:     0x55978b11337a - main::tests::write_distinct_fields::{{closure}}::h93b3210fc0314778
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/main.rs:246:5
[INFO] [stdout]   20:     0x55978b13e7be - core::ops::function::FnOnce::call_once::h6c360e52047f45b8
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55978b1a7d63 - core::ops::function::FnOnce::call_once::h72b3efc134abec04
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x55978b1a7d63 - test::__rust_begin_short_backtrace::hf76173a3f44f554b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:516:5
[INFO] [stdout]   23:     0x55978b1a6458 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h49f5b686efed1e06
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   24:     0x55978b1a6458 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4879f836ca9aaead
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   25:     0x55978b1a6458 - std::panicking::try::do_call::h9655796ce3021b6c
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   26:     0x55978b1a6458 - std::panicking::try::h346508ed448399f4
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   27:     0x55978b1a6458 - std::panic::catch_unwind::h00e84f4e9c3caaa0
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   28:     0x55978b1a6458 - test::run_test_in_process::hc80321f825c30106
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:538:18
[INFO] [stdout]   29:     0x55978b1a6458 - test::run_test::run_test_inner::{{closure}}::h89c217441620999f
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:449:39
[INFO] [stdout]   30:     0x55978b180a46 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3852ec0877008db6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55978b18520d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h7c7dfff4b938ae67
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:474:17
[INFO] [stdout]   32:     0x55978b18520d - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8db0dd15c072a403
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   33:     0x55978b18520d - std::panicking::try::do_call::haad8639857ae1187
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   34:     0x55978b18520d - std::panicking::try::h61de115e9dce60f6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   35:     0x55978b18520d - std::panic::catch_unwind::h50601fd82666a838
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   36:     0x55978b18520d - std::thread::Builder::spawn_unchecked::{{closure}}::hac267391ef9d21bd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:473:30
[INFO] [stdout]   37:     0x55978b18520d - core::ops::function::FnOnce::call_once{{vtable.shim}}::heb15d2d9c42706b7
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55978b2094fa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5446ed3fdb82006e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   39:     0x55978b2094fa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h62a21a889329a3f2
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   40:     0x55978b2094fa - std::sys::unix::thread::Thread::new::thread_start::h62402416daf174b6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7f2b76ec7609 - start_thread
[INFO] [stdout]   42:     0x7f2b76c99293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::write_distinct_fields_large_json stdout ----
[INFO] [stdout] thread 'tests::write_distinct_fields_large_json' panicked at 'failed to open the input file.: Os { code: 2, kind: NotFound, message: "No such file or directory" }', /opt/rustwide/workdir/src/lib.rs:407:30
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55978b200f10 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55978b200f10 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55978b200f10 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55978b200f10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7881e3a580134f9a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55978b225c6c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/fmt/mod.rs:1078:17
[INFO] [stdout]    5:     0x55978b1fd3b2 - std::io::Write::write_fmt::hd17811b9a5dec54b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/io/mod.rs:1519:15
[INFO] [stdout]    6:     0x55978b203745 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55978b203745 - std::sys_common::backtrace::print::hd22ac23fed5071c8
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55978b203745 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55978b2032d2 - std::panicking::default_hook::hb08853b392b9404b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55978b203ee1 - std::panicking::rust_panic_with_hook::h3624ee29da369ede
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:591:17
[INFO] [stdout]   11:     0x55978b203a27 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:497:13
[INFO] [stdout]   12:     0x55978b2013cc - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55978b203989 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:493:5
[INFO] [stdout]   14:     0x55978b2245f1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55978b224413 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/option.rs:1268:5
[INFO] [stdout]   16:     0x55978b120ae9 - core::result::Result<T,E>::expect::h2ed4d6b43f82ba59
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/result.rs:933:23
[INFO] [stdout]   17:     0x55978b12b13d - mmap_json_file::distinct_of_field::hf28b0a544dad2860
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:407:16
[INFO] [stdout]   18:     0x55978b112bd4 - main::tests::write_distinct_fields_large_json::hdc470f0d5db534e3
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/main.rs:233:20
[INFO] [stdout]   19:     0x55978b1129ca - main::tests::write_distinct_fields_large_json::{{closure}}::h615b07c5f6cfdb01
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/main.rs:226:5
[INFO] [stdout]   20:     0x55978b13ee5e - core::ops::function::FnOnce::call_once::hf8626e26f89738ae
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55978b1a7d63 - core::ops::function::FnOnce::call_once::h72b3efc134abec04
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x55978b1a7d63 - test::__rust_begin_short_backtrace::hf76173a3f44f554b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:516:5
[INFO] [stdout]   23:     0x55978b1a6458 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h49f5b686efed1e06
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   24:     0x55978b1a6458 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4879f836ca9aaead
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   25:     0x55978b1a6458 - std::panicking::try::do_call::h9655796ce3021b6c
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   26:     0x55978b1a6458 - std::panicking::try::h346508ed448399f4
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   27:     0x55978b1a6458 - std::panic::catch_unwind::h00e84f4e9c3caaa0
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   28:     0x55978b1a6458 - test::run_test_in_process::hc80321f825c30106
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:538:18
[INFO] [stdout]   29:     0x55978b1a6458 - test::run_test::run_test_inner::{{closure}}::h89c217441620999f
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:449:39
[INFO] [stdout]   30:     0x55978b180a46 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3852ec0877008db6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55978b18520d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h7c7dfff4b938ae67
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:474:17
[INFO] [stdout]   32:     0x55978b18520d - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8db0dd15c072a403
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   33:     0x55978b18520d - std::panicking::try::do_call::haad8639857ae1187
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   34:     0x55978b18520d - std::panicking::try::h61de115e9dce60f6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   35:     0x55978b18520d - std::panic::catch_unwind::h50601fd82666a838
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   36:     0x55978b18520d - std::thread::Builder::spawn_unchecked::{{closure}}::hac267391ef9d21bd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:473:30
[INFO] [stdout]   37:     0x55978b18520d - core::ops::function::FnOnce::call_once{{vtable.shim}}::heb15d2d9c42706b7
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55978b2094fa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5446ed3fdb82006e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   39:     0x55978b2094fa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h62a21a889329a3f2
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   40:     0x55978b2094fa - std::sys::unix::thread::Thread::new::thread_start::h62402416daf174b6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7f2b76ec7609 - start_thread
[INFO] [stdout]   42:     0x7f2b76c99293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::filter_out_json_no_results stdout ----
[INFO] [stdout] thread 'tests::filter_out_json_no_results' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/workdir/src/lib.rs:91:46
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55978b200f10 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55978b200f10 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55978b200f10 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55978b200f10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7881e3a580134f9a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55978b225c6c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/fmt/mod.rs:1078:17
[INFO] [stdout]    5:     0x55978b1fd3b2 - std::io::Write::write_fmt::hd17811b9a5dec54b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/io/mod.rs:1519:15
[INFO] [stdout]    6:     0x55978b203745 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55978b203745 - std::sys_common::backtrace::print::hd22ac23fed5071c8
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55978b203745 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55978b2032d2 - std::panicking::default_hook::hb08853b392b9404b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55978b203ee1 - std::panicking::rust_panic_with_hook::h3624ee29da369ede
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:591:17
[INFO] [stdout]   11:     0x55978b203a27 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:497:13
[INFO] [stdout]   12:     0x55978b2013cc - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55978b203989 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:493:5
[INFO] [stdout]   14:     0x55978b2245f1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55978b224413 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/option.rs:1268:5
[INFO] [stdout]   16:     0x55978b1212bb - core::result::Result<T,E>::unwrap::h44920e981f9630de
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/result.rs:973:23
[INFO] [stdout]   17:     0x55978b12cf97 - mmap_json_file::filter::h1786ea3238d925ec
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:91:22
[INFO] [stdout]   18:     0x55978b1110b4 - main::tests::filter_out_json_no_results::hd90f6ed380d9245a
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/main.rs:162:20
[INFO] [stdout]   19:     0x55978b110eda - main::tests::filter_out_json_no_results::{{closure}}::hec661d85d9611283
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/main.rs:156:5
[INFO] [stdout]   20:     0x55978b13e43e - core::ops::function::FnOnce::call_once::h05816dac592896bd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55978b1a7d63 - core::ops::function::FnOnce::call_once::h72b3efc134abec04
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x55978b1a7d63 - test::__rust_begin_short_backtrace::hf76173a3f44f554b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:516:5
[INFO] [stdout]   23:     0x55978b1a6458 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h49f5b686efed1e06
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   24:     0x55978b1a6458 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4879f836ca9aaead
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   25:     0x55978b1a6458 - std::panicking::try::do_call::h9655796ce3021b6c
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   26:     0x55978b1a6458 - std::panicking::try::h346508ed448399f4
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   27:     0x55978b1a6458 - std::panic::catch_unwind::h00e84f4e9c3caaa0
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   28:     0x55978b1a6458 - test::run_test_in_process::hc80321f825c30106
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:538:18
[INFO] [stdout]   29:     0x55978b1a6458 - test::run_test::run_test_inner::{{closure}}::h89c217441620999f
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:449:39
[INFO] [stdout]   30:     0x55978b180a46 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3852ec0877008db6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55978b18520d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h7c7dfff4b938ae67
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:474:17
[INFO] [stdout]   32:     0x55978b18520d - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8db0dd15c072a403
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   33:     0x55978b18520d - std::panicking::try::do_call::haad8639857ae1187
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   34:     0x55978b18520d - std::panicking::try::h61de115e9dce60f6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   35:     0x55978b18520d - std::panic::catch_unwind::h50601fd82666a838
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   36:     0x55978b18520d - std::thread::Builder::spawn_unchecked::{{closure}}::hac267391ef9d21bd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:473:30
[INFO] [stdout]   37:     0x55978b18520d - core::ops::function::FnOnce::call_once{{vtable.shim}}::heb15d2d9c42706b7
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55978b2094fa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5446ed3fdb82006e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   39:     0x55978b2094fa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h62a21a889329a3f2
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   40:     0x55978b2094fa - std::sys::unix::thread::Thread::new::thread_start::h62402416daf174b6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7f2b76ec7609 - start_thread
[INFO] [stdout]   42:     0x7f2b76c99293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::count_with_filter_airports stdout ----
[INFO] [stdout] thread 'tests::count_with_filter_airports' panicked at 'failed to open the file: Os { code: 2, kind: NotFound, message: "No such file or directory" }', /opt/rustwide/workdir/src/lib.rs:233:30
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55978b200f10 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55978b200f10 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55978b200f10 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55978b200f10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7881e3a580134f9a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55978b225c6c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/fmt/mod.rs:1078:17
[INFO] [stdout]    5:     0x55978b1fd3b2 - std::io::Write::write_fmt::hd17811b9a5dec54b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/io/mod.rs:1519:15
[INFO] [stdout]    6:     0x55978b203745 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55978b203745 - std::sys_common::backtrace::print::hd22ac23fed5071c8
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55978b203745 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55978b2032d2 - std::panicking::default_hook::hb08853b392b9404b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55978b203ee1 - std::panicking::rust_panic_with_hook::h3624ee29da369ede
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:591:17
[INFO] [stdout]   11:     0x55978b203a27 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:497:13
[INFO] [stdout]   12:     0x55978b2013cc - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55978b203989 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:493:5
[INFO] [stdout]   14:     0x55978b2245f1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55978b224413 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/option.rs:1268:5
[INFO] [stdout]   16:     0x55978b120ae9 - core::result::Result<T,E>::expect::h2ed4d6b43f82ba59
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/result.rs:933:23
[INFO] [stdout]   17:     0x55978b129465 - mmap_json_file::count_with_filter::h02ce7927ead1869e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:233:16
[INFO] [stdout]   18:     0x55978b111cd9 - main::tests::count_with_filter_airports::h48d225c015df9f50
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/main.rs:198:20
[INFO] [stdout]   19:     0x55978b111b2a - main::tests::count_with_filter_airports::{{closure}}::hde734c86a7ee03ca
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/main.rs:191:5
[INFO] [stdout]   20:     0x55978b13ea7e - core::ops::function::FnOnce::call_once::ha3a591dcc83fe8be
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55978b1a7d63 - core::ops::function::FnOnce::call_once::h72b3efc134abec04
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x55978b1a7d63 - test::__rust_begin_short_backtrace::hf76173a3f44f554b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:516:5
[INFO] [stdout]   23:     0x55978b1a6458 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h49f5b686efed1e06
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   24:     0x55978b1a6458 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4879f836ca9aaead
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   25:     0x55978b1a6458 - std::panicking::try::do_call::h9655796ce3021b6c
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   26:     0x55978b1a6458 - std::panicking::try::h346508ed448399f4
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   27:     0x55978b1a6458 - std::panic::catch_unwind::h00e84f4e9c3caaa0
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   28:     0x55978b1a6458 - test::run_test_in_process::hc80321f825c30106
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:538:18
[INFO] [stdout]   29:     0x55978b1a6458 - test::run_test::run_test_inner::{{closure}}::h89c217441620999f
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:449:39
[INFO] [stdout]   30:     0x55978b180a46 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3852ec0877008db6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55978b18520d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h7c7dfff4b938ae67
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:474:17
[INFO] [stdout]   32:     0x55978b18520d - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8db0dd15c072a403
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   33:     0x55978b18520d - std::panicking::try::do_call::haad8639857ae1187
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   34:     0x55978b18520d - std::panicking::try::h61de115e9dce60f6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   35:     0x55978b18520d - std::panic::catch_unwind::h50601fd82666a838
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   36:     0x55978b18520d - std::thread::Builder::spawn_unchecked::{{closure}}::hac267391ef9d21bd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:473:30
[INFO] [stdout]   37:     0x55978b18520d - core::ops::function::FnOnce::call_once{{vtable.shim}}::heb15d2d9c42706b7
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55978b2094fa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5446ed3fdb82006e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   39:     0x55978b2094fa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h62a21a889329a3f2
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   40:     0x55978b2094fa - std::sys::unix::thread::Thread::new::thread_start::h62402416daf174b6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7f2b76ec7609 - start_thread
[INFO] [stdout]   42:     0x7f2b76c99293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::filter_out_airports_in_country stdout ----
[INFO] [stdout] thread 'tests::filter_out_airports_in_country' panicked at 'failed to open the input file.: Os { code: 2, kind: NotFound, message: "No such file or directory" }', /opt/rustwide/workdir/src/lib.rs:84:30
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55978b200f10 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55978b200f10 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55978b200f10 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55978b200f10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7881e3a580134f9a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55978b225c6c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/fmt/mod.rs:1078:17
[INFO] [stdout]    5:     0x55978b1fd3b2 - std::io::Write::write_fmt::hd17811b9a5dec54b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/io/mod.rs:1519:15
[INFO] [stdout]    6:     0x55978b203745 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55978b203745 - std::sys_common::backtrace::print::hd22ac23fed5071c8
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55978b203745 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55978b2032d2 - std::panicking::default_hook::hb08853b392b9404b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55978b203ee1 - std::panicking::rust_panic_with_hook::h3624ee29da369ede
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:591:17
[INFO] [stdout]   11:     0x55978b203a27 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:497:13
[INFO] [stdout]   12:     0x55978b2013cc - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55978b203989 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:493:5
[INFO] [stdout]   14:     0x55978b2245f1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55978b224413 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/option.rs:1268:5
[INFO] [stdout]   16:     0x55978b120ae9 - core::result::Result<T,E>::expect::h2ed4d6b43f82ba59
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/result.rs:933:23
[INFO] [stdout]   17:     0x55978b12d943 - mmap_json_file::filter::hbced9ee93413c648
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:84:16
[INFO] [stdout]   18:     0x55978b110464 - main::tests::filter_out_airports_in_country::h6d2a20ad31160d1e
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/main.rs:124:20
[INFO] [stdout]   19:     0x55978b11028a - main::tests::filter_out_airports_in_country::{{closure}}::hc5b52180a2fcbd8c
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/main.rs:118:5
[INFO] [stdout]   20:     0x55978b13e75e - core::ops::function::FnOnce::call_once::h5ef3515d0da17196
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55978b1a7d63 - core::ops::function::FnOnce::call_once::h72b3efc134abec04
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x55978b1a7d63 - test::__rust_begin_short_backtrace::hf76173a3f44f554b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:516:5
[INFO] [stdout]   23:     0x55978b1a6458 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h49f5b686efed1e06
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   24:     0x55978b1a6458 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4879f836ca9aaead
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   25:     0x55978b1a6458 - std::panicking::try::do_call::h9655796ce3021b6c
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   26:     0x55978b1a6458 - std::panicking::try::h346508ed448399f4
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   27:     0x55978b1a6458 - std::panic::catch_unwind::h00e84f4e9c3caaa0
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   28:     0x55978b1a6458 - test::run_test_in_process::hc80321f825c30106
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:538:18
[INFO] [stdout]   29:     0x55978b1a6458 - test::run_test::run_test_inner::{{closure}}::h89c217441620999f
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:449:39
[INFO] [stdout]   30:     0x55978b180a46 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3852ec0877008db6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55978b18520d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h7c7dfff4b938ae67
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:474:17
[INFO] [stdout]   32:     0x55978b18520d - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8db0dd15c072a403
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   33:     0x55978b18520d - std::panicking::try::do_call::haad8639857ae1187
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   34:     0x55978b18520d - std::panicking::try::h61de115e9dce60f6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   35:     0x55978b18520d - std::panic::catch_unwind::h50601fd82666a838
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   36:     0x55978b18520d - std::thread::Builder::spawn_unchecked::{{closure}}::hac267391ef9d21bd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:473:30
[INFO] [stdout]   37:     0x55978b18520d - core::ops::function::FnOnce::call_once{{vtable.shim}}::heb15d2d9c42706b7
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55978b2094fa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5446ed3fdb82006e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   39:     0x55978b2094fa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h62a21a889329a3f2
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   40:     0x55978b2094fa - std::sys::unix::thread::Thread::new::thread_start::h62402416daf174b6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7f2b76ec7609 - start_thread
[INFO] [stdout]   42:     0x7f2b76c99293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::count_airports
[INFO] [stdout]     tests::count_with_filter_airports
[INFO] [stdout]     tests::filter_out_airports_in_country
[INFO] [stdout]     tests::filter_out_airports_no_results
[INFO] [stdout]     tests::filter_out_json_by_value
[INFO] [stdout]     tests::filter_out_json_no_results
[INFO] [stdout]     tests::test_sum_over_field_airport_elevation_ft
[INFO] [stdout]     tests::write_distinct_fields
[INFO] [stdout]     tests::write_distinct_fields_large_json
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 9 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test main'
[INFO] running `Command { std: "docker" "inspect" "d4c100c7a8ce5efaa020d48e3c5d6afd18e6877d64a76a7a22f8379667158c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4c100c7a8ce5efaa020d48e3c5d6afd18e6877d64a76a7a22f8379667158c2d", kill_on_drop: false }`
[INFO] [stdout] d4c100c7a8ce5efaa020d48e3c5d6afd18e6877d64a76a7a22f8379667158c2d