[INFO] cloning repository https://github.com/JacksonRMC/rust_skill
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JacksonRMC/rust_skill" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacksonRMC%2Frust_skill", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacksonRMC%2Frust_skill'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 114c4a1d90fff3e6dcad3382d836b908c4882004
[INFO] checking JacksonRMC/rust_skill against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacksonRMC%2Frust_skill" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JacksonRMC/rust_skill
[INFO] finished tweaking git repo https://github.com/JacksonRMC/rust_skill
[INFO] tweaked toml for git repo https://github.com/JacksonRMC/rust_skill written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JacksonRMC/rust_skill on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JacksonRMC/rust_skill 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 994c2d4d7730bf2d2086b78051efa0fae4b8668830db6996679a6520ee31cf9c
[INFO] running `Command { std: "docker" "start" "-a" "994c2d4d7730bf2d2086b78051efa0fae4b8668830db6996679a6520ee31cf9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "994c2d4d7730bf2d2086b78051efa0fae4b8668830db6996679a6520ee31cf9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "994c2d4d7730bf2d2086b78051efa0fae4b8668830db6996679a6520ee31cf9c", kill_on_drop: false }`
[INFO] [stdout] 994c2d4d7730bf2d2086b78051efa0fae4b8668830db6996679a6520ee31cf9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 442fbf0e0175bd3b0b8f1c75f235b5b7ff7c137225e1a565acdc4b4c572b38fc
[INFO] running `Command { std: "docker" "start" "-a" "442fbf0e0175bd3b0b8f1c75f235b5b7ff7c137225e1a565acdc4b4c572b38fc", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_skill v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "442fbf0e0175bd3b0b8f1c75f235b5b7ff7c137225e1a565acdc4b4c572b38fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442fbf0e0175bd3b0b8f1c75f235b5b7ff7c137225e1a565acdc4b4c572b38fc", kill_on_drop: false }`
[INFO] [stdout] 442fbf0e0175bd3b0b8f1c75f235b5b7ff7c137225e1a565acdc4b4c572b38fc