[INFO] fetching crate xs 0.0.0...
[INFO] checking xs-0.0.0 against master#d93f678fa55842cccd2f091deccd93e9494b3764 for pr-138844
[INFO] extracting crate xs 0.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate xs 0.0.0 on toolchain d93f678fa55842cccd2f091deccd93e9494b3764
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xs 0.0.0
[INFO] finished tweaking crates.io crate xs 0.0.0
[INFO] tweaked toml for crates.io crate xs 0.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 177c695b402ee26105642937ed72ce2a6c0f396274ee38b3a56c9197d2014a5b
[INFO] running `Command { std: "docker" "start" "-a" "177c695b402ee26105642937ed72ce2a6c0f396274ee38b3a56c9197d2014a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "177c695b402ee26105642937ed72ce2a6c0f396274ee38b3a56c9197d2014a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177c695b402ee26105642937ed72ce2a6c0f396274ee38b3a56c9197d2014a5b", kill_on_drop: false }`
[INFO] [stdout] 177c695b402ee26105642937ed72ce2a6c0f396274ee38b3a56c9197d2014a5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cff8b0de9f9b25171c0b5002bdf08b33405bc7ac1fb09f1c6f55427e995d022
[INFO] running `Command { std: "docker" "start" "-a" "8cff8b0de9f9b25171c0b5002bdf08b33405bc7ac1fb09f1c6f55427e995d022", kill_on_drop: false }`
[INFO] [stderr]     Checking xs v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "8cff8b0de9f9b25171c0b5002bdf08b33405bc7ac1fb09f1c6f55427e995d022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cff8b0de9f9b25171c0b5002bdf08b33405bc7ac1fb09f1c6f55427e995d022", kill_on_drop: false }`
[INFO] [stdout] 8cff8b0de9f9b25171c0b5002bdf08b33405bc7ac1fb09f1c6f55427e995d022