[INFO] cloning repository https://github.com/luandknguyen/brainrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luandknguyen/brainrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluandknguyen%2Fbrainrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluandknguyen%2Fbrainrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87b42359ea8b28fa78509a1bdf1f009fd7518c30
[INFO] checking luandknguyen/brainrust against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluandknguyen%2Fbrainrust" "/workspace/builds/worker-86/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-86/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luandknguyen/brainrust on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luandknguyen/brainrust
[INFO] finished tweaking git repo https://github.com/luandknguyen/brainrust
[INFO] tweaked toml for git repo https://github.com/luandknguyen/brainrust written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] crate git repo https://github.com/luandknguyen/brainrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7afbc6153470023beb95557267e0fa90ddb10570eedea44df53e7edb602ca9ce
[INFO] running `Command { std: "docker" "start" "-a" "7afbc6153470023beb95557267e0fa90ddb10570eedea44df53e7edb602ca9ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7afbc6153470023beb95557267e0fa90ddb10570eedea44df53e7edb602ca9ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7afbc6153470023beb95557267e0fa90ddb10570eedea44df53e7edb602ca9ce", kill_on_drop: false }`
[INFO] [stdout] 7afbc6153470023beb95557267e0fa90ddb10570eedea44df53e7edb602ca9ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd843f7fb5108e78d5ae27c7c30ab6aa34c4a01966b3433bc9413a28a98c8fd2
[INFO] running `Command { std: "docker" "start" "-a" "fd843f7fb5108e78d5ae27c7c30ab6aa34c4a01966b3433bc9413a28a98c8fd2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking brainrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.99s
[INFO] running `Command { std: "docker" "inspect" "fd843f7fb5108e78d5ae27c7c30ab6aa34c4a01966b3433bc9413a28a98c8fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd843f7fb5108e78d5ae27c7c30ab6aa34c4a01966b3433bc9413a28a98c8fd2", kill_on_drop: false }`
[INFO] [stdout] fd843f7fb5108e78d5ae27c7c30ab6aa34c4a01966b3433bc9413a28a98c8fd2