[INFO] fetching crate json_minimal 0.0.0...
[INFO] testing json_minimal-0.0.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate json_minimal 0.0.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate json_minimal 0.0.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate json_minimal 0.0.0
[INFO] finished tweaking crates.io crate json_minimal 0.0.0
[INFO] tweaked toml for crates.io crate json_minimal 0.0.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b3e276e45efbd9e47535a3a650ff5a74b704f2ed1101cd1bfd63fffd93833dbf
[INFO] running `"docker" "start" "-a" "b3e276e45efbd9e47535a3a650ff5a74b704f2ed1101cd1bfd63fffd93833dbf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling json_minimal v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `which`
[INFO] [stderr]    --> src/lib.rs:341:27
[INFO] [stderr]     |
[INFO] [stderr] 341 |     pub fn arr_get(&self, which: usize) -> Option<&ArrayVal> {
[INFO] [stderr]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_which`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:345:31
[INFO] [stderr]     |
[INFO] [stderr] 345 |     pub fn get_mut(&mut self, name: &str) -> Option<&mut Json> {
[INFO] [stderr]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `which`
[INFO] [stderr]    --> src/lib.rs:349:35
[INFO] [stderr]     |
[INFO] [stderr] 349 |     pub fn arr_get_mut(&mut self, which: usize) -> Option<&mut ArrayVal> {
[INFO] [stderr]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_which`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "b3e276e45efbd9e47535a3a650ff5a74b704f2ed1101cd1bfd63fffd93833dbf"`
[INFO] running `"docker" "rm" "-f" "b3e276e45efbd9e47535a3a650ff5a74b704f2ed1101cd1bfd63fffd93833dbf"`
[INFO] [stdout] b3e276e45efbd9e47535a3a650ff5a74b704f2ed1101cd1bfd63fffd93833dbf
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] afda9b348db151610e8ddd68ecabdbb2f00e597dcc8a04ef2c22cd659d8c3bdd
[INFO] running `"docker" "start" "-a" "afda9b348db151610e8ddd68ecabdbb2f00e597dcc8a04ef2c22cd659d8c3bdd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling json_minimal v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `which`
[INFO] [stderr]    --> src/lib.rs:341:27
[INFO] [stderr]     |
[INFO] [stderr] 341 |     pub fn arr_get(&self, which: usize) -> Option<&ArrayVal> {
[INFO] [stderr]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_which`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:345:31
[INFO] [stderr]     |
[INFO] [stderr] 345 |     pub fn get_mut(&mut self, name: &str) -> Option<&mut Json> {
[INFO] [stderr]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `which`
[INFO] [stderr]    --> src/lib.rs:349:35
[INFO] [stderr]     |
[INFO] [stderr] 349 |     pub fn arr_get_mut(&mut self, which: usize) -> Option<&mut ArrayVal> {
[INFO] [stderr]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_which`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `which`
[INFO] [stderr]    --> src/lib.rs:341:27
[INFO] [stderr]     |
[INFO] [stderr] 341 |     pub fn arr_get(&self, which: usize) -> Option<&ArrayVal> {
[INFO] [stderr]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_which`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:345:31
[INFO] [stderr]     |
[INFO] [stderr] 345 |     pub fn get_mut(&mut self, name: &str) -> Option<&mut Json> {
[INFO] [stderr]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `which`
[INFO] [stderr]    --> src/lib.rs:349:35
[INFO] [stderr]     |
[INFO] [stderr] 349 |     pub fn arr_get_mut(&mut self, which: usize) -> Option<&mut ArrayVal> {
[INFO] [stderr]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_which`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "afda9b348db151610e8ddd68ecabdbb2f00e597dcc8a04ef2c22cd659d8c3bdd"`
[INFO] running `"docker" "rm" "-f" "afda9b348db151610e8ddd68ecabdbb2f00e597dcc8a04ef2c22cd659d8c3bdd"`
[INFO] [stdout] afda9b348db151610e8ddd68ecabdbb2f00e597dcc8a04ef2c22cd659d8c3bdd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 07488234c3121d9f9d0f8ba6db32b62f270808cc46e7240a95b50c86d9890ecb
[INFO] running `"docker" "start" "-a" "07488234c3121d9f9d0f8ba6db32b62f270808cc46e7240a95b50c86d9890ecb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `which`
[INFO] [stderr]    --> src/lib.rs:341:27
[INFO] [stderr]     |
[INFO] [stderr] 341 |     pub fn arr_get(&self, which: usize) -> Option<&ArrayVal> {
[INFO] [stderr]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_which`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:345:31
[INFO] [stderr]     |
[INFO] [stderr] 345 |     pub fn get_mut(&mut self, name: &str) -> Option<&mut Json> {
[INFO] [stderr]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `which`
[INFO] [stderr]    --> src/lib.rs:349:35
[INFO] [stderr]     |
[INFO] [stderr] 349 |     pub fn arr_get_mut(&mut self, which: usize) -> Option<&mut ArrayVal> {
[INFO] [stderr]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_which`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `which`
[INFO] [stderr]    --> src/lib.rs:341:27
[INFO] [stderr]     |
[INFO] [stderr] 341 |     pub fn arr_get(&self, which: usize) -> Option<&ArrayVal> {
[INFO] [stderr]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_which`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:345:31
[INFO] [stderr]     |
[INFO] [stderr] 345 |     pub fn get_mut(&mut self, name: &str) -> Option<&mut Json> {
[INFO] [stderr]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `which`
[INFO] [stderr]    --> src/lib.rs:349:35
[INFO] [stderr]     |
[INFO] [stderr] 349 |     pub fn arr_get_mut(&mut self, which: usize) -> Option<&mut ArrayVal> {
[INFO] [stderr]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_which`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/json_minimal-d0b66906b1f1f5b3
[INFO] [stderr]    Doc-tests json_minimal
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_construct_json ... ok
[INFO] [stdout] test tests::test_match_names ... ok
[INFO] [stdout] test tests::test_add_values ... ok
[INFO] [stdout] test tests::test_print ... ok
[INFO] [stdout] test tests::test_matches_description ... ok
[INFO] [stdout] test tests::test_get ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "07488234c3121d9f9d0f8ba6db32b62f270808cc46e7240a95b50c86d9890ecb"`
[INFO] running `"docker" "rm" "-f" "07488234c3121d9f9d0f8ba6db32b62f270808cc46e7240a95b50c86d9890ecb"`
[INFO] [stdout] 07488234c3121d9f9d0f8ba6db32b62f270808cc46e7240a95b50c86d9890ecb