[INFO] cloning repository https://github.com/lalanon/guessing_game_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lalanon/guessing_game_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flalanon%2Fguessing_game_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flalanon%2Fguessing_game_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fb7e4de2f27ae6916fa640184eb4a6b029ecca4
[INFO] checking lalanon/guessing_game_rs against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flalanon%2Fguessing_game_rs" "/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/lalanon/guessing_game_rs 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/lalanon/guessing_game_rs
[INFO] finished tweaking git repo https://github.com/lalanon/guessing_game_rs
[INFO] tweaked toml for git repo https://github.com/lalanon/guessing_game_rs written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/lalanon/guessing_game_rs 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] 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] a8f07a99e922580c895209d8e0db5e29998fbab0f577496683a9ed2e18d5af04
[INFO] running `Command { std: "docker" "start" "-a" "a8f07a99e922580c895209d8e0db5e29998fbab0f577496683a9ed2e18d5af04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8f07a99e922580c895209d8e0db5e29998fbab0f577496683a9ed2e18d5af04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8f07a99e922580c895209d8e0db5e29998fbab0f577496683a9ed2e18d5af04", kill_on_drop: false }`
[INFO] [stdout] a8f07a99e922580c895209d8e0db5e29998fbab0f577496683a9ed2e18d5af04
[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] 77d547c8b7b0114c32cc81c1551e511f0a993c318054f7ace7620339bdb36ce4
[INFO] running `Command { std: "docker" "start" "-a" "77d547c8b7b0114c32cc81c1551e511f0a993c318054f7ace7620339bdb36ce4", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "77d547c8b7b0114c32cc81c1551e511f0a993c318054f7ace7620339bdb36ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d547c8b7b0114c32cc81c1551e511f0a993c318054f7ace7620339bdb36ce4", kill_on_drop: false }`
[INFO] [stdout] 77d547c8b7b0114c32cc81c1551e511f0a993c318054f7ace7620339bdb36ce4