[INFO] cloning repository https://github.com/kazukiyoshida/how-linux-works
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kazukiyoshida/how-linux-works" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazukiyoshida%2Fhow-linux-works", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazukiyoshida%2Fhow-linux-works'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b90f18d1783c3f4a82d40ee5bb44bf4ff7aed3ca
[INFO] checking kazukiyoshida/how-linux-works against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazukiyoshida%2Fhow-linux-works" "/workspace/builds/worker-92/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-92/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kazukiyoshida/how-linux-works on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kazukiyoshida/how-linux-works
[INFO] finished tweaking git repo https://github.com/kazukiyoshida/how-linux-works
[INFO] tweaked toml for git repo https://github.com/kazukiyoshida/how-linux-works written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] crate git repo https://github.com/kazukiyoshida/how-linux-works already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.19.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bea8f62dc6fc9c065650b2b0472d12932f0b583a280e3ee8ddca0c6a1ca8c65
[INFO] running `Command { std: "docker" "start" "-a" "7bea8f62dc6fc9c065650b2b0472d12932f0b583a280e3ee8ddca0c6a1ca8c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bea8f62dc6fc9c065650b2b0472d12932f0b583a280e3ee8ddca0c6a1ca8c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bea8f62dc6fc9c065650b2b0472d12932f0b583a280e3ee8ddca0c6a1ca8c65", kill_on_drop: false }`
[INFO] [stdout] 7bea8f62dc6fc9c065650b2b0472d12932f0b583a280e3ee8ddca0c6a1ca8c65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c36f6fe18e77cf9e649c5da935be8c051a86e1b45176c80c32f3d091229731e
[INFO] running `Command { std: "docker" "start" "-a" "3c36f6fe18e77cf9e649c5da935be8c051a86e1b45176c80c32f3d091229731e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking how-linux-works v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.45s
[INFO] running `Command { std: "docker" "inspect" "3c36f6fe18e77cf9e649c5da935be8c051a86e1b45176c80c32f3d091229731e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c36f6fe18e77cf9e649c5da935be8c051a86e1b45176c80c32f3d091229731e", kill_on_drop: false }`
[INFO] [stdout] 3c36f6fe18e77cf9e649c5da935be8c051a86e1b45176c80c32f3d091229731e