[INFO] fetching crate picostd 0.0.0...
[INFO] checking picostd-0.0.0 against master#f7b43542838f0a4a6cfdb17fbeadf45002042a77 for pr-138499
[INFO] extracting crate picostd 0.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate picostd 0.0.0 on toolchain f7b43542838f0a4a6cfdb17fbeadf45002042a77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate picostd 0.0.0
[INFO] finished tweaking crates.io crate picostd 0.0.0
[INFO] tweaked toml for crates.io crate picostd 0.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "generate-lockfile" "--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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "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-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a3ea0b72062f2526ef235d23972ef0e08cb32f1c0d7e4eecfabc0fb283f357a
[INFO] running `Command { std: "docker" "start" "-a" "8a3ea0b72062f2526ef235d23972ef0e08cb32f1c0d7e4eecfabc0fb283f357a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a3ea0b72062f2526ef235d23972ef0e08cb32f1c0d7e4eecfabc0fb283f357a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a3ea0b72062f2526ef235d23972ef0e08cb32f1c0d7e4eecfabc0fb283f357a", kill_on_drop: false }`
[INFO] [stdout] 8a3ea0b72062f2526ef235d23972ef0e08cb32f1c0d7e4eecfabc0fb283f357a
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 896880276d4820ff40a8df2008606a0828a7a41c7708cf654572c2805448745d
[INFO] running `Command { std: "docker" "start" "-a" "896880276d4820ff40a8df2008606a0828a7a41c7708cf654572c2805448745d", kill_on_drop: false }`
[INFO] [stderr]     Checking picostd v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `Command { std: "docker" "inspect" "896880276d4820ff40a8df2008606a0828a7a41c7708cf654572c2805448745d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "896880276d4820ff40a8df2008606a0828a7a41c7708cf654572c2805448745d", kill_on_drop: false }`
[INFO] [stdout] 896880276d4820ff40a8df2008606a0828a7a41c7708cf654572c2805448745d