[INFO] cloning repository https://github.com/natdorshimer/rust-io-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/natdorshimer/rust-io-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatdorshimer%2Frust-io-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatdorshimer%2Frust-io-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddab9bd5feef8631ae3417c5fbc9f2200a14edbe
[INFO] checking natdorshimer/rust-io-practice against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatdorshimer%2Frust-io-practice" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/natdorshimer/rust-io-practice on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/natdorshimer/rust-io-practice
[INFO] finished tweaking git repo https://github.com/natdorshimer/rust-io-practice
[INFO] tweaked toml for git repo https://github.com/natdorshimer/rust-io-practice written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/natdorshimer/rust-io-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0560757915db5d7530f679e2793d1f3d675a2ce9e569dc578ab7b9bdb16399a8
[INFO] running `Command { std: "docker" "start" "-a" "0560757915db5d7530f679e2793d1f3d675a2ce9e569dc578ab7b9bdb16399a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0560757915db5d7530f679e2793d1f3d675a2ce9e569dc578ab7b9bdb16399a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0560757915db5d7530f679e2793d1f3d675a2ce9e569dc578ab7b9bdb16399a8", kill_on_drop: false }`
[INFO] [stdout] 0560757915db5d7530f679e2793d1f3d675a2ce9e569dc578ab7b9bdb16399a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29b8eba32f8fd6e0c0185df7860c6f214a05748cff88ebb612bc3bb0252677fb
[INFO] running `Command { std: "docker" "start" "-a" "29b8eba32f8fd6e0c0185df7860c6f214a05748cff88ebb612bc3bb0252677fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rust-training v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "29b8eba32f8fd6e0c0185df7860c6f214a05748cff88ebb612bc3bb0252677fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b8eba32f8fd6e0c0185df7860c6f214a05748cff88ebb612bc3bb0252677fb", kill_on_drop: false }`
[INFO] [stdout] 29b8eba32f8fd6e0c0185df7860c6f214a05748cff88ebb612bc3bb0252677fb