[INFO] cloning repository https://github.com/tyropro/SnakesAndLaddersRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tyropro/SnakesAndLaddersRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyropro%2FSnakesAndLaddersRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyropro%2FSnakesAndLaddersRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd2a87355574497d249c5809231a26d181d61a92
[INFO] checking tyropro/SnakesAndLaddersRust against master#561b5dea1e7e5c21f0fb550ca579229ceb878297 for pr-124661
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyropro%2FSnakesAndLaddersRust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tyropro/SnakesAndLaddersRust on toolchain 561b5dea1e7e5c21f0fb550ca579229ceb878297
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+561b5dea1e7e5c21f0fb550ca579229ceb878297" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tyropro/SnakesAndLaddersRust
[INFO] finished tweaking git repo https://github.com/tyropro/SnakesAndLaddersRust
[INFO] tweaked toml for git repo https://github.com/tyropro/SnakesAndLaddersRust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tyropro/SnakesAndLaddersRust 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" "+561b5dea1e7e5c21f0fb550ca579229ceb878297" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]     Updating rs-snakesandladders v0.2.0 (/workspace/builds/worker-5-tc1/source) -> v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+561b5dea1e7e5c21f0fb550ca579229ceb878297" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac29e8fd8846d3e6e04f28c13fe33021fd53b5ecb40e2e5f644d1611f52cad6f
[INFO] running `Command { std: "docker" "start" "-a" "ac29e8fd8846d3e6e04f28c13fe33021fd53b5ecb40e2e5f644d1611f52cad6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac29e8fd8846d3e6e04f28c13fe33021fd53b5ecb40e2e5f644d1611f52cad6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac29e8fd8846d3e6e04f28c13fe33021fd53b5ecb40e2e5f644d1611f52cad6f", kill_on_drop: false }`
[INFO] [stdout] ac29e8fd8846d3e6e04f28c13fe33021fd53b5ecb40e2e5f644d1611f52cad6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+561b5dea1e7e5c21f0fb550ca579229ceb878297" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e42f6d7751686b890119e61552972064eb27986794426d31213a2a516b9d5920
[INFO] running `Command { std: "docker" "start" "-a" "e42f6d7751686b890119e61552972064eb27986794426d31213a2a516b9d5920", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rs-snakesandladders v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "e42f6d7751686b890119e61552972064eb27986794426d31213a2a516b9d5920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e42f6d7751686b890119e61552972064eb27986794426d31213a2a516b9d5920", kill_on_drop: false }`
[INFO] [stdout] e42f6d7751686b890119e61552972064eb27986794426d31213a2a516b9d5920