[INFO] cloning repository https://github.com/FauxFaux/jsonarray2pg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FauxFaux/jsonarray2pg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Fjsonarray2pg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Fjsonarray2pg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 638a02d20cf26e7c6c5415eec6f31c7e692d4e08
[INFO] testing FauxFaux/jsonarray2pg against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Fjsonarray2pg" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FauxFaux/jsonarray2pg on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FauxFaux/jsonarray2pg
[INFO] finished tweaking git repo https://github.com/FauxFaux/jsonarray2pg
[INFO] tweaked toml for git repo https://github.com/FauxFaux/jsonarray2pg written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/FauxFaux/jsonarray2pg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bufstream v0.1.2
[INFO] [stderr]   Downloaded md5 v0.3.3
[INFO] [stderr]   Downloaded postgres-protocol v0.2.1
[INFO] [stderr]   Downloaded postgres v0.14.0
[INFO] [stderr]   Downloaded postgres-shared v0.2.0
[INFO] [stderr]   Downloaded siphasher v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 644994ad91f639be80ca1542e76d569ec6436e72a2ba823a9fe12fa4d3371c3a
[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" "644994ad91f639be80ca1542e76d569ec6436e72a2ba823a9fe12fa4d3371c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "644994ad91f639be80ca1542e76d569ec6436e72a2ba823a9fe12fa4d3371c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "644994ad91f639be80ca1542e76d569ec6436e72a2ba823a9fe12fa4d3371c3a", kill_on_drop: false }`
[INFO] [stdout] 644994ad91f639be80ca1542e76d569ec6436e72a2ba823a9fe12fa4d3371c3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9eab3e4d23d417a9a2873e375c02c4391a443f0d087d9aca9bfc3d045b087f5a
[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" "9eab3e4d23d417a9a2873e375c02c4391a443f0d087d9aca9bfc3d045b087f5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling siphasher v0.2.1
[INFO] [stderr]    Compiling md5 v0.3.3
[INFO] [stderr]    Compiling fallible-iterator v0.1.3
[INFO] [stderr]    Compiling hex v0.2.0
[INFO] [stderr]    Compiling bufstream v0.1.2
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling argparse v0.2.1
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling num_cpus v1.3.0
[INFO] [stderr]    Compiling postgres-protocol v0.2.1
[INFO] [stderr]    Compiling postgres-shared v0.2.0
[INFO] [stderr]    Compiling postgres v0.14.0
[INFO] [stderr]    Compiling jsonarray2pg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/json.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         try!(parse_token(&mut iter, &mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/json.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         try!(parse_token(&mut iter, &mut buf).map_err(other_err));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut lock = try!(mux.lock().map_err(|e| format!("threadpool damaged: {}", e)));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:113:43
[INFO] [stdout]     |
[INFO] [stdout] 113 |             Box::new(stdin.lock()) as Box<io::Read>
[INFO] [stdout]     |                                           ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/json.rs:94:40
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn read_string<T: Iterator<Item = u8>>(mut iter: &mut T,
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/json.rs:95:40
[INFO] [stdout]    |
[INFO] [stdout] 95 | ...                   mut buf: &mut Vec<u8>)
[INFO] [stdout]    |                       ----^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/json.rs:116:37
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn read_num<T: Iterator<Item = u8>>(mut iter: &mut Peekable<T>,
[INFO] [stdout]     |                                     ----^^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/json.rs:117:37
[INFO] [stdout]     |
[INFO] [stdout] 117 | ...                   mut buf: &mut Vec<u8>)
[INFO] [stdout]     |                       ----^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/json.rs:160:46
[INFO] [stdout]     |
[INFO] [stdout] 160 | pub fn parse_array_from_file<T: io::Read, F>(mut from: &mut T,
[INFO] [stdout]     |                                              ----^^^^
[INFO] [stdout]     |                                              |
[INFO] [stdout]     |                                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.11s
[INFO] running `Command { std: "docker" "inspect" "9eab3e4d23d417a9a2873e375c02c4391a443f0d087d9aca9bfc3d045b087f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eab3e4d23d417a9a2873e375c02c4391a443f0d087d9aca9bfc3d045b087f5a", kill_on_drop: false }`
[INFO] [stdout] 9eab3e4d23d417a9a2873e375c02c4391a443f0d087d9aca9bfc3d045b087f5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5807a016e69b1b5fe5e92d4075692f7e2f01ee779fb26e3c0e00c1e7451c0363
[INFO] running `Command { std: "docker" "start" "-a" "5807a016e69b1b5fe5e92d4075692f7e2f01ee779fb26e3c0e00c1e7451c0363", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsonarray2pg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/json.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         try!(parse_token(&mut iter, &mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/json.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         try!(parse_token(&mut iter, &mut buf).map_err(other_err));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut lock = try!(mux.lock().map_err(|e| format!("threadpool damaged: {}", e)));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:113:43
[INFO] [stdout]     |
[INFO] [stdout] 113 |             Box::new(stdin.lock()) as Box<io::Read>
[INFO] [stdout]     |                                           ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/json.rs:94:40
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn read_string<T: Iterator<Item = u8>>(mut iter: &mut T,
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/json.rs:95:40
[INFO] [stdout]    |
[INFO] [stdout] 95 | ...                   mut buf: &mut Vec<u8>)
[INFO] [stdout]    |                       ----^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/json.rs:116:37
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn read_num<T: Iterator<Item = u8>>(mut iter: &mut Peekable<T>,
[INFO] [stdout]     |                                     ----^^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/json.rs:117:37
[INFO] [stdout]     |
[INFO] [stdout] 117 | ...                   mut buf: &mut Vec<u8>)
[INFO] [stdout]     |                       ----^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/json.rs:160:46
[INFO] [stdout]     |
[INFO] [stdout] 160 | pub fn parse_array_from_file<T: io::Read, F>(mut from: &mut T,
[INFO] [stdout]     |                                              ----^^^^
[INFO] [stdout]     |                                              |
[INFO] [stdout]     |                                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "5807a016e69b1b5fe5e92d4075692f7e2f01ee779fb26e3c0e00c1e7451c0363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5807a016e69b1b5fe5e92d4075692f7e2f01ee779fb26e3c0e00c1e7451c0363", kill_on_drop: false }`
[INFO] [stdout] 5807a016e69b1b5fe5e92d4075692f7e2f01ee779fb26e3c0e00c1e7451c0363
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 254c378bc711ba3b86058fdee2c7f89585963feaff12c7d066b9167722185ceb
[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" "254c378bc711ba3b86058fdee2c7f89585963feaff12c7d066b9167722185ceb", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/json.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         try!(parse_token(&mut iter, &mut buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 191 |         try!(parse_token(&mut iter, &mut buf).map_err(other_err));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:34:20
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut lock = try!(mux.lock().map_err(|e| format!("threadpool damaged: {}", e)));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:113:43
[INFO] [stderr]     |
[INFO] [stderr] 113 |             Box::new(stdin.lock()) as Box<io::Read>
[INFO] [stderr]     |                                           ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/json.rs:94:40
[INFO] [stderr]    |
[INFO] [stderr] 94 | fn read_string<T: Iterator<Item = u8>>(mut iter: &mut T,
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/json.rs:95:40
[INFO] [stderr]    |
[INFO] [stderr] 95 | ...                   mut buf: &mut Vec<u8>)
[INFO] [stderr]    |                       ----^^^
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/json.rs:116:37
[INFO] [stderr]     |
[INFO] [stderr] 116 | fn read_num<T: Iterator<Item = u8>>(mut iter: &mut Peekable<T>,
[INFO] [stderr]     |                                     ----^^^^
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/json.rs:117:37
[INFO] [stderr]     |
[INFO] [stderr] 117 | ...                   mut buf: &mut Vec<u8>)
[INFO] [stderr]     |                       ----^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/json.rs:160:46
[INFO] [stderr]     |
[INFO] [stderr] 160 | pub fn parse_array_from_file<T: io::Read, F>(mut from: &mut T,
[INFO] [stderr]     |                                              ----^^^^
[INFO] [stderr]     |                                              |
[INFO] [stderr]     |                                              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jsonarray2pg-f097d47924775b45
[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 `Command { std: "docker" "inspect" "254c378bc711ba3b86058fdee2c7f89585963feaff12c7d066b9167722185ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "254c378bc711ba3b86058fdee2c7f89585963feaff12c7d066b9167722185ceb", kill_on_drop: false }`
[INFO] [stdout] 254c378bc711ba3b86058fdee2c7f89585963feaff12c7d066b9167722185ceb
