[INFO] fetching crate chain_reaction 0.2.50...
[INFO] checking chain_reaction-0.2.50 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate chain_reaction 0.2.50 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate chain_reaction 0.2.50 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chain_reaction 0.2.50
[INFO] finished tweaking crates.io crate chain_reaction 0.2.50
[INFO] tweaked toml for crates.io crate chain_reaction 0.2.50 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate chain_reaction 0.2.50 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" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7738dd23169c0ad0cb3a3db59ff1c7b74885d320712d60ef1e535009dda3246
[INFO] running `Command { std: "docker" "start" "-a" "c7738dd23169c0ad0cb3a3db59ff1c7b74885d320712d60ef1e535009dda3246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7738dd23169c0ad0cb3a3db59ff1c7b74885d320712d60ef1e535009dda3246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7738dd23169c0ad0cb3a3db59ff1c7b74885d320712d60ef1e535009dda3246", kill_on_drop: false }`
[INFO] [stdout] c7738dd23169c0ad0cb3a3db59ff1c7b74885d320712d60ef1e535009dda3246
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4723ccf9bb6ab10e75f3ab51749a37993139f4127a41ccfbc32a5b30ff64b200
[INFO] running `Command { std: "docker" "start" "-a" "4723ccf9bb6ab10e75f3ab51749a37993139f4127a41ccfbc32a5b30ff64b200", kill_on_drop: false }`
[INFO] [stderr]     Checking chain_reaction v0.2.50 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "4723ccf9bb6ab10e75f3ab51749a37993139f4127a41ccfbc32a5b30ff64b200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4723ccf9bb6ab10e75f3ab51749a37993139f4127a41ccfbc32a5b30ff64b200", kill_on_drop: false }`
[INFO] [stdout] 4723ccf9bb6ab10e75f3ab51749a37993139f4127a41ccfbc32a5b30ff64b200