[INFO] cloning repository https://github.com/eschalks/git-find-merge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eschalks/git-find-merge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feschalks%2Fgit-find-merge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feschalks%2Fgit-find-merge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19fd2ded48fed42528d1840b5aa1afaaa991ae05
[INFO] checking eschalks/git-find-merge against master#667247db71ea18c4130dd018d060e7f09d589490 for pr-140824
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feschalks%2Fgit-find-merge" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eschalks/git-find-merge on toolchain 667247db71ea18c4130dd018d060e7f09d589490
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eschalks/git-find-merge
[INFO] finished tweaking git repo https://github.com/eschalks/git-find-merge
[INFO] tweaked toml for git repo https://github.com/eschalks/git-find-merge written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/eschalks/git-find-merge 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" "+667247db71ea18c4130dd018d060e7f09d589490" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df10e200e0529f8ea6b0998679f8ef44064dff2a97dd17ba51a440f102a52cf4
[INFO] running `Command { std: "docker" "start" "-a" "df10e200e0529f8ea6b0998679f8ef44064dff2a97dd17ba51a440f102a52cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df10e200e0529f8ea6b0998679f8ef44064dff2a97dd17ba51a440f102a52cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df10e200e0529f8ea6b0998679f8ef44064dff2a97dd17ba51a440f102a52cf4", kill_on_drop: false }`
[INFO] [stdout] df10e200e0529f8ea6b0998679f8ef44064dff2a97dd17ba51a440f102a52cf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58a6a0fbf03f30cf4f7739b4f894fa8f0428a27e21c31ee083b46e8ac0ea2451
[INFO] running `Command { std: "docker" "start" "-a" "58a6a0fbf03f30cf4f7739b4f894fa8f0428a27e21c31ee083b46e8ac0ea2451", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking git-find-merge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/main.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |            None => (
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 59 | |              execute_git("show-ref", ["-s", "HEAD"])?
[INFO] [stdout]    | | ____________^________________________________________^
[INFO] [stdout]    | ||____________|
[INFO] [stdout]    |  |
[INFO] [stdout] 60 |  |         )
[INFO] [stdout]    |  |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 58 -         None => (
[INFO] [stdout] 59 -             execute_git("show-ref", ["-s", "HEAD"])?
[INFO] [stdout] 58 +         None => execute_git("show-ref", ["-s", "HEAD"])?
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/main.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |            None => (
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 59 | |              execute_git("show-ref", ["-s", "HEAD"])?
[INFO] [stdout]    | | ____________^________________________________________^
[INFO] [stdout]    | ||____________|
[INFO] [stdout]    |  |
[INFO] [stdout] 60 |  |         )
[INFO] [stdout]    |  |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 58 -         None => (
[INFO] [stdout] 59 -             execute_git("show-ref", ["-s", "HEAD"])?
[INFO] [stdout] 58 +         None => execute_git("show-ref", ["-s", "HEAD"])?
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `Command { std: "docker" "inspect" "58a6a0fbf03f30cf4f7739b4f894fa8f0428a27e21c31ee083b46e8ac0ea2451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a6a0fbf03f30cf4f7739b4f894fa8f0428a27e21c31ee083b46e8ac0ea2451", kill_on_drop: false }`
[INFO] [stdout] 58a6a0fbf03f30cf4f7739b4f894fa8f0428a27e21c31ee083b46e8ac0ea2451