[INFO] cloning repository https://github.com/KosukeMizuno/simulate_monty_hall
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KosukeMizuno/simulate_monty_hall" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKosukeMizuno%2Fsimulate_monty_hall", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKosukeMizuno%2Fsimulate_monty_hall'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aeeec65ef2736350203f9bb2b9cbe1f9df54c38a
[INFO] checking KosukeMizuno/simulate_monty_hall against try#1383df06117fd218068d1f39fd5326256dd4a348 for pr-145181
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKosukeMizuno%2Fsimulate_monty_hall" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KosukeMizuno/simulate_monty_hall
[INFO] finished tweaking git repo https://github.com/KosukeMizuno/simulate_monty_hall
[INFO] tweaked toml for git repo https://github.com/KosukeMizuno/simulate_monty_hall written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KosukeMizuno/simulate_monty_hall on toolchain 1383df06117fd218068d1f39fd5326256dd4a348
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KosukeMizuno/simulate_monty_hall 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" "+1383df06117fd218068d1f39fd5326256dd4a348" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0db86164f2545bf7e66ef14af9e02756219bdeeadf161a98137036208ce7779a
[INFO] running `Command { std: "docker" "start" "-a" "0db86164f2545bf7e66ef14af9e02756219bdeeadf161a98137036208ce7779a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0db86164f2545bf7e66ef14af9e02756219bdeeadf161a98137036208ce7779a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0db86164f2545bf7e66ef14af9e02756219bdeeadf161a98137036208ce7779a", kill_on_drop: false }`
[INFO] [stdout] 0db86164f2545bf7e66ef14af9e02756219bdeeadf161a98137036208ce7779a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04b1f40add2136b793cec720cce0949a4c3cd3c3dcd89eba6ce0302ae40a5bae
[INFO] running `Command { std: "docker" "start" "-a" "04b1f40add2136b793cec720cce0949a4c3cd3c3dcd89eba6ce0302ae40a5bae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking simulate_monty_hall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "04b1f40add2136b793cec720cce0949a4c3cd3c3dcd89eba6ce0302ae40a5bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04b1f40add2136b793cec720cce0949a4c3cd3c3dcd89eba6ce0302ae40a5bae", kill_on_drop: false }`
[INFO] [stdout] 04b1f40add2136b793cec720cce0949a4c3cd3c3dcd89eba6ce0302ae40a5bae