[INFO] cloning repository https://github.com/dsdashun/rust-bootcamp-concurrency
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dsdashun/rust-bootcamp-concurrency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsdashun%2Frust-bootcamp-concurrency", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsdashun%2Frust-bootcamp-concurrency'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aab09ad0219a730067a3d8bec261a89d05b89e14
[INFO] checking dsdashun/rust-bootcamp-concurrency against try#ef5216c337126ffe24d074826f4023948c4a9b8e for pr-137033
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsdashun%2Frust-bootcamp-concurrency" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dsdashun/rust-bootcamp-concurrency on toolchain ef5216c337126ffe24d074826f4023948c4a9b8e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dsdashun/rust-bootcamp-concurrency
[INFO] finished tweaking git repo https://github.com/dsdashun/rust-bootcamp-concurrency
[INFO] tweaked toml for git repo https://github.com/dsdashun/rust-bootcamp-concurrency written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dsdashun/rust-bootcamp-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" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fde3dd908f78a1c3b9e32379d3c5ff8c0b07b2b91b9adb4555e899cd52fca53
[INFO] running `Command { std: "docker" "start" "-a" "4fde3dd908f78a1c3b9e32379d3c5ff8c0b07b2b91b9adb4555e899cd52fca53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fde3dd908f78a1c3b9e32379d3c5ff8c0b07b2b91b9adb4555e899cd52fca53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fde3dd908f78a1c3b9e32379d3c5ff8c0b07b2b91b9adb4555e899cd52fca53", kill_on_drop: false }`
[INFO] [stdout] 4fde3dd908f78a1c3b9e32379d3c5ff8c0b07b2b91b9adb4555e899cd52fca53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3574f1d4b2748c8021d1e843e68696725f9abfea473fbd7559e4fb253e0b60d3
[INFO] running `Command { std: "docker" "start" "-a" "3574f1d4b2748c8021d1e843e68696725f9abfea473fbd7559e4fb253e0b60d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking oneshot v0.1.6
[INFO] [stderr]     Checking getrandom v0.2.14
[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 concurrency v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "3574f1d4b2748c8021d1e843e68696725f9abfea473fbd7559e4fb253e0b60d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3574f1d4b2748c8021d1e843e68696725f9abfea473fbd7559e4fb253e0b60d3", kill_on_drop: false }`
[INFO] [stdout] 3574f1d4b2748c8021d1e843e68696725f9abfea473fbd7559e4fb253e0b60d3