[INFO] cloning repository https://github.com/MarkSG93/hello-bitmasks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarkSG93/hello-bitmasks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarkSG93%2Fhello-bitmasks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarkSG93%2Fhello-bitmasks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b601d0b7c5eed01fe1ec31ba9c852341bc27a66c
[INFO] checking MarkSG93/hello-bitmasks against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarkSG93%2Fhello-bitmasks" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MarkSG93/hello-bitmasks
[INFO] finished tweaking git repo https://github.com/MarkSG93/hello-bitmasks
[INFO] tweaked toml for git repo https://github.com/MarkSG93/hello-bitmasks written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MarkSG93/hello-bitmasks on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MarkSG93/hello-bitmasks 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" "+54cf65b8d066c082e536455049b95943cf30378f" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6da0cb01f3d36814ba644972e22d0472e717ef100e64984a20109c38a43ebdd4
[INFO] running `Command { std: "docker" "start" "-a" "6da0cb01f3d36814ba644972e22d0472e717ef100e64984a20109c38a43ebdd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6da0cb01f3d36814ba644972e22d0472e717ef100e64984a20109c38a43ebdd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6da0cb01f3d36814ba644972e22d0472e717ef100e64984a20109c38a43ebdd4", kill_on_drop: false }`
[INFO] [stdout] 6da0cb01f3d36814ba644972e22d0472e717ef100e64984a20109c38a43ebdd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13188984344e5046bff4a46fd3d100dadc872e4ef64c3b3c6c6c70517531257a
[INFO] running `Command { std: "docker" "start" "-a" "13188984344e5046bff4a46fd3d100dadc872e4ef64c3b3c6c6c70517531257a", kill_on_drop: false }`
[INFO] [stderr]     Checking hello-bitmasks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `convert_ruleset` is never used
[INFO] [stdout]  --> src/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn convert_ruleset(ruleset: &[i32]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "13188984344e5046bff4a46fd3d100dadc872e4ef64c3b3c6c6c70517531257a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13188984344e5046bff4a46fd3d100dadc872e4ef64c3b3c6c6c70517531257a", kill_on_drop: false }`
[INFO] [stdout] 13188984344e5046bff4a46fd3d100dadc872e4ef64c3b3c6c6c70517531257a