[INFO] cloning repository https://github.com/rust-bootcamp-101/02-concurrency
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-bootcamp-101/02-concurrency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-bootcamp-101%2F02-concurrency", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-bootcamp-101%2F02-concurrency'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce24eab6bce77c68c45105de1d3c21a50da910fb
[INFO] building rust-bootcamp-101/02-concurrency against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-bootcamp-101%2F02-concurrency" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rust-bootcamp-101/02-concurrency
[INFO] finished tweaking git repo https://github.com/rust-bootcamp-101/02-concurrency
[INFO] tweaked toml for git repo https://github.com/rust-bootcamp-101/02-concurrency written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rust-bootcamp-101/02-concurrency on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rust-bootcamp-101/02-concurrency 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f611176807ff42c722d1f774bae9b7fddeaa6c31795a2b9671c9020ea1ac279
[INFO] running `Command { std: "docker" "start" "-a" "8f611176807ff42c722d1f774bae9b7fddeaa6c31795a2b9671c9020ea1ac279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f611176807ff42c722d1f774bae9b7fddeaa6c31795a2b9671c9020ea1ac279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f611176807ff42c722d1f774bae9b7fddeaa6c31795a2b9671c9020ea1ac279", kill_on_drop: false }`
[INFO] [stdout] 8f611176807ff42c722d1f774bae9b7fddeaa6c31795a2b9671c9020ea1ac279
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c43337b84f272cbc9a168d496daa54330838d7a2d94ba34acfccc55c79c550ec
[INFO] running `Command { std: "docker" "start" "-a" "c43337b84f272cbc9a168d496daa54330838d7a2d94ba34acfccc55c79c550ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling oneshot v0.1.6
[INFO] [stderr]    Compiling concurrency v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "c43337b84f272cbc9a168d496daa54330838d7a2d94ba34acfccc55c79c550ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c43337b84f272cbc9a168d496daa54330838d7a2d94ba34acfccc55c79c550ec", kill_on_drop: false }`
[INFO] [stdout] c43337b84f272cbc9a168d496daa54330838d7a2d94ba34acfccc55c79c550ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88b80b97b48e0f1cae5dcc66ff04ba8245eb67e7f620f38a044e18b2b8db2ed8
[INFO] running `Command { std: "docker" "start" "-a" "88b80b97b48e0f1cae5dcc66ff04ba8245eb67e7f620f38a044e18b2b8db2ed8", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrency v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "88b80b97b48e0f1cae5dcc66ff04ba8245eb67e7f620f38a044e18b2b8db2ed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88b80b97b48e0f1cae5dcc66ff04ba8245eb67e7f620f38a044e18b2b8db2ed8", kill_on_drop: false }`
[INFO] [stdout] 88b80b97b48e0f1cae5dcc66ff04ba8245eb67e7f620f38a044e18b2b8db2ed8