[INFO] cloning repository https://github.com/yskszk63/imcat-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yskszk63/imcat-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyskszk63%2Fimcat-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyskszk63%2Fimcat-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4773cc89adacd3f6322cdb05eee39c18c45fd90
[INFO] checking yskszk63/imcat-rs/c4773cc89adacd3f6322cdb05eee39c18c45fd90 against master#1fe72d35998dea48aeecaf7fc07783b0b553f24f for pr-154992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyskszk63%2Fimcat-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yskszk63/imcat-rs
[INFO] finished tweaking git repo https://github.com/yskszk63/imcat-rs
[INFO] tweaked toml for git repo https://github.com/yskszk63/imcat-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yskszk63/imcat-rs on toolchain 1fe72d35998dea48aeecaf7fc07783b0b553f24f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding nix v0.23.2 (available: v0.31.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96c3c130838b52e33d81aeb16d9b296e908f9b28d6489139530ab20e4d65dd77
[INFO] running `Command { std: "docker" "start" "-a" "96c3c130838b52e33d81aeb16d9b296e908f9b28d6489139530ab20e4d65dd77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96c3c130838b52e33d81aeb16d9b296e908f9b28d6489139530ab20e4d65dd77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c3c130838b52e33d81aeb16d9b296e908f9b28d6489139530ab20e4d65dd77", kill_on_drop: false }`
[INFO] [stdout] 96c3c130838b52e33d81aeb16d9b296e908f9b28d6489139530ab20e4d65dd77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b97a1ff73da68403260fff56d388dd5554c85fdbc16125564939f3c4c1289ba8
[INFO] running `Command { std: "docker" "start" "-a" "b97a1ff73da68403260fff56d388dd5554c85fdbc16125564939f3c4c1289ba8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]    Compiling imcat-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:43:42
[INFO] [stdout]    |
[INFO] [stdout] 43 |     for (y0, y1) in (0..(h / 2)).map(|y| ((y * 2, y * 2 + 1))) {
[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] 43 -     for (y0, y1) in (0..(h / 2)).map(|y| ((y * 2, y * 2 + 1))) {
[INFO] [stdout] 43 +     for (y0, y1) in (0..(h / 2)).map(|y| (y * 2, y * 2 + 1)) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:43:42
[INFO] [stdout]    |
[INFO] [stdout] 43 |     for (y0, y1) in (0..(h / 2)).map(|y| ((y * 2, y * 2 + 1))) {
[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] 43 -     for (y0, y1) in (0..(h / 2)).map(|y| ((y * 2, y * 2 + 1))) {
[INFO] [stdout] 43 +     for (y0, y1) in (0..(h / 2)).map(|y| (y * 2, y * 2 + 1)) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.99s
[INFO] running `Command { std: "docker" "inspect" "b97a1ff73da68403260fff56d388dd5554c85fdbc16125564939f3c4c1289ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b97a1ff73da68403260fff56d388dd5554c85fdbc16125564939f3c4c1289ba8", kill_on_drop: false }`
[INFO] [stdout] b97a1ff73da68403260fff56d388dd5554c85fdbc16125564939f3c4c1289ba8