[INFO] crate barcode_command 0.1.1 is already in cache
[INFO] checking barcode_command-0.1.1 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate barcode_command 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate barcode_command 0.1.1 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate barcode_command 0.1.1
[INFO] finished tweaking crates.io crate barcode_command 0.1.1
[INFO] tweaked toml for crates.io crate barcode_command 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate barcode_command 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bcac8224b850306bed025f9c9f0a9fa14a817f2a35d740548c8fb1ad78024ba
[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" "3bcac8224b850306bed025f9c9f0a9fa14a817f2a35d740548c8fb1ad78024ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bcac8224b850306bed025f9c9f0a9fa14a817f2a35d740548c8fb1ad78024ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bcac8224b850306bed025f9c9f0a9fa14a817f2a35d740548c8fb1ad78024ba", kill_on_drop: false }`
[INFO] [stdout] 3bcac8224b850306bed025f9c9f0a9fa14a817f2a35d740548c8fb1ad78024ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58f1434f4f36b0f31441ddd638ce39f44a237612ba3f7cb07c3ae8b5e8390ecc
[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" "58f1434f4f36b0f31441ddd638ce39f44a237612ba3f7cb07c3ae8b5e8390ecc", kill_on_drop: false }`
[INFO] [stderr]     Checking barcode_command v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/barcode/postnet.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     result = (10 - result);
[INFO] [stdout]    |                              ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/barcode/postnet.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     result = (10 - result);
[INFO] [stdout]    |                              ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `str_result` is never read
[INFO] [stdout]   --> src/barcode/industrial2of5.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 let mut str_result:String = "".to_string();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cd` is never read
[INFO] [stdout]   --> src/barcode/postnet.rs:83:21
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 let mut cd="".to_string();
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `str_result` is never read
[INFO] [stdout]   --> src/barcode/industrial2of5.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 let mut str_result:String = "".to_string();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cd` is never read
[INFO] [stdout]   --> src/barcode/postnet.rs:83:21
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 let mut cd="".to_string();
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "58f1434f4f36b0f31441ddd638ce39f44a237612ba3f7cb07c3ae8b5e8390ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58f1434f4f36b0f31441ddd638ce39f44a237612ba3f7cb07c3ae8b5e8390ecc", kill_on_drop: false }`
[INFO] [stdout] 58f1434f4f36b0f31441ddd638ce39f44a237612ba3f7cb07c3ae8b5e8390ecc