[INFO] fetching crate brubeck 0.0.4...
[INFO] checking brubeck-0.0.4 against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095
[INFO] extracting crate brubeck 0.0.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate brubeck 0.0.4 on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brubeck 0.0.4
[INFO] finished tweaking crates.io crate brubeck 0.0.4
[INFO] tweaked toml for crates.io crate brubeck 0.0.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate brubeck 0.0.4 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" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79373a30b24207d72dd1343fa2191bf294752023b0fe58d19e9b39cd60ef585c
[INFO] running `Command { std: "docker" "start" "-a" "79373a30b24207d72dd1343fa2191bf294752023b0fe58d19e9b39cd60ef585c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79373a30b24207d72dd1343fa2191bf294752023b0fe58d19e9b39cd60ef585c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79373a30b24207d72dd1343fa2191bf294752023b0fe58d19e9b39cd60ef585c", kill_on_drop: false }`
[INFO] [stdout] 79373a30b24207d72dd1343fa2191bf294752023b0fe58d19e9b39cd60ef585c
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72f27a042ab4a734aa0706d45c2593ee0ab08ba892a2e774cc5f37931b357704
[INFO] running `Command { std: "docker" "start" "-a" "72f27a042ab4a734aa0706d45c2593ee0ab08ba892a2e774cc5f37931b357704", kill_on_drop: false }`
[INFO] [stderr]     Checking brubeck v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "72f27a042ab4a734aa0706d45c2593ee0ab08ba892a2e774cc5f37931b357704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f27a042ab4a734aa0706d45c2593ee0ab08ba892a2e774cc5f37931b357704", kill_on_drop: false }`
[INFO] [stdout] 72f27a042ab4a734aa0706d45c2593ee0ab08ba892a2e774cc5f37931b357704