[INFO] cloning repository https://github.com/juanmait/my-very-naive-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juanmait/my-very-naive-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanmait%2Fmy-very-naive-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanmait%2Fmy-very-naive-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f39249b0f836255a5b739dd5d4d1ed0466c6cca2
[INFO] checking juanmait/my-very-naive-rust against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanmait%2Fmy-very-naive-rust" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juanmait/my-very-naive-rust on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/juanmait/my-very-naive-rust
[INFO] finished tweaking git repo https://github.com/juanmait/my-very-naive-rust
[INFO] tweaked toml for git repo https://github.com/juanmait/my-very-naive-rust written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/juanmait/my-very-naive-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fca50b80a0deeabfae3c6883aee78c58ab50805039854d149d2776ac3b28b98
[INFO] running `Command { std: "docker" "start" "-a" "2fca50b80a0deeabfae3c6883aee78c58ab50805039854d149d2776ac3b28b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fca50b80a0deeabfae3c6883aee78c58ab50805039854d149d2776ac3b28b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fca50b80a0deeabfae3c6883aee78c58ab50805039854d149d2776ac3b28b98", kill_on_drop: false }`
[INFO] [stdout] 2fca50b80a0deeabfae3c6883aee78c58ab50805039854d149d2776ac3b28b98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a9ce5f1ff125f28aa4485ed4fcc3c5c8da8303efe8da0ca3c3b5b61ed640e98
[INFO] running `Command { std: "docker" "start" "-a" "0a9ce5f1ff125f28aa4485ed4fcc3c5c8da8303efe8da0ca3c3b5b61ed640e98", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking block-test v0.1.0 (/opt/rustwide/workdir/block-test)
[INFO] [stderr]     Checking rev-range v0.1.0 (/opt/rustwide/workdir/rev-range)
[INFO] [stderr]     Checking array-iter v0.1.0 (/opt/rustwide/workdir/array-iter)
[INFO] [stderr]     Checking _traits v0.1.0 (/opt/rustwide/workdir/_traits)
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking hello-rust v0.1.0 (/opt/rustwide/workdir/guess-game)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.52s
[INFO] running `Command { std: "docker" "inspect" "0a9ce5f1ff125f28aa4485ed4fcc3c5c8da8303efe8da0ca3c3b5b61ed640e98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a9ce5f1ff125f28aa4485ed4fcc3c5c8da8303efe8da0ca3c3b5b61ed640e98", kill_on_drop: false }`
[INFO] [stdout] 0a9ce5f1ff125f28aa4485ed4fcc3c5c8da8303efe8da0ca3c3b5b61ed640e98