[INFO] cloning repository https://github.com/coderzii/rust_learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coderzii/rust_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoderzii%2Frust_learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoderzii%2Frust_learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a57e0a7c9c58baae14c5ac9f3078e8718a475f85
[INFO] checking coderzii/rust_learn against master#e9182f195b8505c87c4bd055b9f6e114ccda0981 for pr-144098
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoderzii%2Frust_learn" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/coderzii/rust_learn
[INFO] finished tweaking git repo https://github.com/coderzii/rust_learn
[INFO] tweaked toml for git repo https://github.com/coderzii/rust_learn written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/coderzii/rust_learn on toolchain e9182f195b8505c87c4bd055b9f6e114ccda0981
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/coderzii/rust_learn 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" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33f1a25c3517bbfe0fa47a04ad200e2d5ab221c3f27061b36b0aa25815153e9c
[INFO] running `Command { std: "docker" "start" "-a" "33f1a25c3517bbfe0fa47a04ad200e2d5ab221c3f27061b36b0aa25815153e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33f1a25c3517bbfe0fa47a04ad200e2d5ab221c3f27061b36b0aa25815153e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f1a25c3517bbfe0fa47a04ad200e2d5ab221c3f27061b36b0aa25815153e9c", kill_on_drop: false }`
[INFO] [stdout] 33f1a25c3517bbfe0fa47a04ad200e2d5ab221c3f27061b36b0aa25815153e9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81b81f47313b63c1d6ae2822369ccd5ee097156657c25a307a5f58db698bbbba
[INFO] running `Command { std: "docker" "start" "-a" "81b81f47313b63c1d6ae2822369ccd5ee097156657c25a307a5f58db698bbbba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking gussing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `Command { std: "docker" "inspect" "81b81f47313b63c1d6ae2822369ccd5ee097156657c25a307a5f58db698bbbba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81b81f47313b63c1d6ae2822369ccd5ee097156657c25a307a5f58db698bbbba", kill_on_drop: false }`
[INFO] [stdout] 81b81f47313b63c1d6ae2822369ccd5ee097156657c25a307a5f58db698bbbba