[INFO] cloning repository https://github.com/ScottVaverchak/corerustils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ScottVaverchak/corerustils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScottVaverchak%2Fcorerustils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScottVaverchak%2Fcorerustils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29d240b63cd7d227910a2092cc6b402ec48ea099
[INFO] checking ScottVaverchak/corerustils against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScottVaverchak%2Fcorerustils" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ScottVaverchak/corerustils on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ScottVaverchak/corerustils
[INFO] finished tweaking git repo https://github.com/ScottVaverchak/corerustils
[INFO] tweaked toml for git repo https://github.com/ScottVaverchak/corerustils written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ScottVaverchak/corerustils already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33d874ddc9f2bbf4ce4fb9fc6a41d319f74ba6cedd87aafb03cabb198a0ef8d9
[INFO] running `Command { std: "docker" "start" "-a" "33d874ddc9f2bbf4ce4fb9fc6a41d319f74ba6cedd87aafb03cabb198a0ef8d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33d874ddc9f2bbf4ce4fb9fc6a41d319f74ba6cedd87aafb03cabb198a0ef8d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d874ddc9f2bbf4ce4fb9fc6a41d319f74ba6cedd87aafb03cabb198a0ef8d9", kill_on_drop: false }`
[INFO] [stdout] 33d874ddc9f2bbf4ce4fb9fc6a41d319f74ba6cedd87aafb03cabb198a0ef8d9
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fbb67742816fba47d529c7ac81799c4106a13f1ea3dbb4cf91b182b96273527
[INFO] running `Command { std: "docker" "start" "-a" "4fbb67742816fba47d529c7ac81799c4106a13f1ea3dbb4cf91b182b96273527", kill_on_drop: false }`
[INFO] [stderr]     Checking cat v0.1.0 (/opt/rustwide/workdir/cat)
[INFO] [stderr]     Checking yes v0.1.0 (/opt/rustwide/workdir/yes)
[INFO] [stderr]     Checking head v0.1.0 (/opt/rustwide/workdir/head)
[INFO] [stdout] warning: struct is never constructed: `Arguments`
[INFO] [stdout]  --> head/src/main.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Arguments {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Arguments`
[INFO] [stdout]  --> head/src/main.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Arguments {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "4fbb67742816fba47d529c7ac81799c4106a13f1ea3dbb4cf91b182b96273527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fbb67742816fba47d529c7ac81799c4106a13f1ea3dbb4cf91b182b96273527", kill_on_drop: false }`
[INFO] [stdout] 4fbb67742816fba47d529c7ac81799c4106a13f1ea3dbb4cf91b182b96273527