[INFO] cloning repository https://github.com/canndrew/concat-arrays
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/canndrew/concat-arrays" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcanndrew%2Fconcat-arrays", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcanndrew%2Fconcat-arrays'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 717a69a9e4bafd9d2dadabbcc9fdc393b0c94895
[INFO] checking canndrew/concat-arrays against master#c97b539e408ea353f4fde2f9251d598291fec421 for pr-105102
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcanndrew%2Fconcat-arrays" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/canndrew/concat-arrays on toolchain c97b539e408ea353f4fde2f9251d598291fec421
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c97b539e408ea353f4fde2f9251d598291fec421" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/canndrew/concat-arrays
[INFO] finished tweaking git repo https://github.com/canndrew/concat-arrays
[INFO] tweaked toml for git repo https://github.com/canndrew/concat-arrays written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/canndrew/concat-arrays already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c97b539e408ea353f4fde2f9251d598291fec421" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c97b539e408ea353f4fde2f9251d598291fec421" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0e236ee1407952fad0aea89509d39dc07608cb2bf5762bebf505dd306884c4d
[INFO] running `Command { std: "docker" "start" "-a" "d0e236ee1407952fad0aea89509d39dc07608cb2bf5762bebf505dd306884c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0e236ee1407952fad0aea89509d39dc07608cb2bf5762bebf505dd306884c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0e236ee1407952fad0aea89509d39dc07608cb2bf5762bebf505dd306884c4d", kill_on_drop: false }`
[INFO] [stdout] d0e236ee1407952fad0aea89509d39dc07608cb2bf5762bebf505dd306884c4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c97b539e408ea353f4fde2f9251d598291fec421" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f211cbce6ecf0f4fb57768bd43060b884f5d77483737a1eb6f09af3266101db9
[INFO] running `Command { std: "docker" "start" "-a" "f211cbce6ecf0f4fb57768bd43060b884f5d77483737a1eb6f09af3266101db9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling trybuild v1.0.42
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking concat-arrays v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.95s
[INFO] running `Command { std: "docker" "inspect" "f211cbce6ecf0f4fb57768bd43060b884f5d77483737a1eb6f09af3266101db9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f211cbce6ecf0f4fb57768bd43060b884f5d77483737a1eb6f09af3266101db9", kill_on_drop: false }`
[INFO] [stdout] f211cbce6ecf0f4fb57768bd43060b884f5d77483737a1eb6f09af3266101db9