[INFO] fetching crate option-lock 0.3.1...
[INFO] checking option-lock-0.3.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate option-lock 0.3.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate option-lock 0.3.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate option-lock 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate option-lock 0.3.1
[INFO] tweaked toml for crates.io crate option-lock 0.3.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate option-lock 0.3.1 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cast v0.2.6
[INFO] [stderr]   Downloaded plotters-svg v0.3.0
[INFO] [stderr]   Downloaded plotters-backend v0.3.0
[INFO] [stderr]   Downloaded itertools v0.10.0
[INFO] [stderr]   Downloaded plotters v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42c74b5603788261cb3f98c7727128aad54b05bf367bd3efe8670f22f28b6fdc
[INFO] running `Command { std: "docker" "start" "-a" "42c74b5603788261cb3f98c7727128aad54b05bf367bd3efe8670f22f28b6fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42c74b5603788261cb3f98c7727128aad54b05bf367bd3efe8670f22f28b6fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c74b5603788261cb3f98c7727128aad54b05bf367bd3efe8670f22f28b6fdc", kill_on_drop: false }`
[INFO] [stdout] 42c74b5603788261cb3f98c7727128aad54b05bf367bd3efe8670f22f28b6fdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eff029e909f864acb1959c206d9c5d20cd60f2dacf5c8450fa3d677e0f51716d
[INFO] running `Command { std: "docker" "start" "-a" "eff029e909f864acb1959c206d9c5d20cd60f2dacf5c8450fa3d677e0f51716d", kill_on_drop: false }`
[INFO] [stderr]     Checking option-lock v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "eff029e909f864acb1959c206d9c5d20cd60f2dacf5c8450fa3d677e0f51716d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eff029e909f864acb1959c206d9c5d20cd60f2dacf5c8450fa3d677e0f51716d", kill_on_drop: false }`
[INFO] [stdout] eff029e909f864acb1959c206d9c5d20cd60f2dacf5c8450fa3d677e0f51716d