[INFO] cloning repository https://github.com/elliotcubit/rc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elliotcubit/rc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felliotcubit%2Frc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felliotcubit%2Frc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54b0deb9269a2b00319996329ed7778fa3b59823
[INFO] checking elliotcubit/rc against try#804fff1ae95da9d03bd44eee27f258020a575dab for pr-146013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felliotcubit%2Frc" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/elliotcubit/rc
[INFO] finished tweaking git repo https://github.com/elliotcubit/rc
[INFO] tweaked toml for git repo https://github.com/elliotcubit/rc written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/elliotcubit/rc on toolchain 804fff1ae95da9d03bd44eee27f258020a575dab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/elliotcubit/rc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "fetch" "--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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23baa4f97bc613459f2139519f31683d445eb69f320ca946c46d85b4a2ff66b1
[INFO] running `Command { std: "docker" "start" "-a" "23baa4f97bc613459f2139519f31683d445eb69f320ca946c46d85b4a2ff66b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23baa4f97bc613459f2139519f31683d445eb69f320ca946c46d85b4a2ff66b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23baa4f97bc613459f2139519f31683d445eb69f320ca946c46d85b4a2ff66b1", kill_on_drop: false }`
[INFO] [stdout] 23baa4f97bc613459f2139519f31683d445eb69f320ca946c46d85b4a2ff66b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87cd42a74875457620c508b141196454598f9b2fca1f0fba51145b6e3aa75504
[INFO] running `Command { std: "docker" "start" "-a" "87cd42a74875457620c508b141196454598f9b2fca1f0fba51145b6e3aa75504", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking rc v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/codecs/hex.rs:48:42
[INFO] [stdout]    |
[INFO] [stdout] 48 |             c if c >= '0' && c <= '9' => (c as u8 - 48),
[INFO] [stdout]    |                                          ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -             c if c >= '0' && c <= '9' => (c as u8 - 48),
[INFO] [stdout] 48 +             c if c >= '0' && c <= '9' => c as u8 - 48,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/codecs/hex.rs:49:42
[INFO] [stdout]    |
[INFO] [stdout] 49 |             c if c >= 'A' && c <= 'F' => (c as u8 - 55),
[INFO] [stdout]    |                                          ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 -             c if c >= 'A' && c <= 'F' => (c as u8 - 55),
[INFO] [stdout] 49 +             c if c >= 'A' && c <= 'F' => c as u8 - 55,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/codecs/hex.rs:50:42
[INFO] [stdout]    |
[INFO] [stdout] 50 |             c if c >= 'a' && c <= 'f' => (c as u8 - 87),
[INFO] [stdout]    |                                          ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 50 -             c if c >= 'a' && c <= 'f' => (c as u8 - 87),
[INFO] [stdout] 50 +             c if c >= 'a' && c <= 'f' => c as u8 - 87,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/codecs/hex.rs:48:42
[INFO] [stdout]    |
[INFO] [stdout] 48 |             c if c >= '0' && c <= '9' => (c as u8 - 48),
[INFO] [stdout]    |                                          ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -             c if c >= '0' && c <= '9' => (c as u8 - 48),
[INFO] [stdout] 48 +             c if c >= '0' && c <= '9' => c as u8 - 48,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/codecs/hex.rs:49:42
[INFO] [stdout]    |
[INFO] [stdout] 49 |             c if c >= 'A' && c <= 'F' => (c as u8 - 55),
[INFO] [stdout]    |                                          ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 -             c if c >= 'A' && c <= 'F' => (c as u8 - 55),
[INFO] [stdout] 49 +             c if c >= 'A' && c <= 'F' => c as u8 - 55,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/codecs/hex.rs:50:42
[INFO] [stdout]    |
[INFO] [stdout] 50 |             c if c >= 'a' && c <= 'f' => (c as u8 - 87),
[INFO] [stdout]    |                                          ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 50 -             c if c >= 'a' && c <= 'f' => (c as u8 - 87),
[INFO] [stdout] 50 +             c if c >= 'a' && c <= 'f' => c as u8 - 87,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.79s
[INFO] running `Command { std: "docker" "inspect" "87cd42a74875457620c508b141196454598f9b2fca1f0fba51145b6e3aa75504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87cd42a74875457620c508b141196454598f9b2fca1f0fba51145b6e3aa75504", kill_on_drop: false }`
[INFO] [stdout] 87cd42a74875457620c508b141196454598f9b2fca1f0fba51145b6e3aa75504