[INFO] cloning repository https://github.com/brianobot/demo_file_manager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brianobot/demo_file_manager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianobot%2Fdemo_file_manager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianobot%2Fdemo_file_manager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8a34008c42f5bb9a321770162292b5279c5bf98
[INFO] checking brianobot/demo_file_manager against master#cccf075eba88363269e8589ebb8d40874cc542d8 for pr-142681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianobot%2Fdemo_file_manager" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/brianobot/demo_file_manager
[INFO] finished tweaking git repo https://github.com/brianobot/demo_file_manager
[INFO] tweaked toml for git repo https://github.com/brianobot/demo_file_manager written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/brianobot/demo_file_manager on toolchain cccf075eba88363269e8589ebb8d40874cc542d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/brianobot/demo_file_manager 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" "+cccf075eba88363269e8589ebb8d40874cc542d8" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ababa65fe196b94dc074b1766dba5f7bfe7a13a878f85c0462bb2d32ebe9118
[INFO] running `Command { std: "docker" "start" "-a" "3ababa65fe196b94dc074b1766dba5f7bfe7a13a878f85c0462bb2d32ebe9118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ababa65fe196b94dc074b1766dba5f7bfe7a13a878f85c0462bb2d32ebe9118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ababa65fe196b94dc074b1766dba5f7bfe7a13a878f85c0462bb2d32ebe9118", kill_on_drop: false }`
[INFO] [stdout] 3ababa65fe196b94dc074b1766dba5f7bfe7a13a878f85c0462bb2d32ebe9118
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 735a353d42849eeb2d6c083b996536b7f14dbb2a18a0c5bf3bec6bf0bee68ed7
[INFO] running `Command { std: "docker" "start" "-a" "735a353d42849eeb2d6c083b996536b7f14dbb2a18a0c5bf3bec6bf0bee68ed7", kill_on_drop: false }`
[INFO] [stderr]     Checking file_manager v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "735a353d42849eeb2d6c083b996536b7f14dbb2a18a0c5bf3bec6bf0bee68ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "735a353d42849eeb2d6c083b996536b7f14dbb2a18a0c5bf3bec6bf0bee68ed7", kill_on_drop: false }`
[INFO] [stdout] 735a353d42849eeb2d6c083b996536b7f14dbb2a18a0c5bf3bec6bf0bee68ed7