[INFO] fetching crate target-spec-json 0.1.20...
[INFO] checking target-spec-json-0.1.20 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate target-spec-json 0.1.20 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate target-spec-json 0.1.20 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate target-spec-json 0.1.20
[INFO] finished tweaking crates.io crate target-spec-json 0.1.20
[INFO] tweaked toml for crates.io crate target-spec-json 0.1.20 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" "+a3f76a26e045a760bb1163b7eab36872985242d5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e58019e00a07f2b70eca65a5d3f42a55a8527ad9b64bb6efd6d0da7d51a3c224
[INFO] running `Command { std: "docker" "start" "-a" "e58019e00a07f2b70eca65a5d3f42a55a8527ad9b64bb6efd6d0da7d51a3c224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e58019e00a07f2b70eca65a5d3f42a55a8527ad9b64bb6efd6d0da7d51a3c224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e58019e00a07f2b70eca65a5d3f42a55a8527ad9b64bb6efd6d0da7d51a3c224", kill_on_drop: false }`
[INFO] [stdout] e58019e00a07f2b70eca65a5d3f42a55a8527ad9b64bb6efd6d0da7d51a3c224
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd0aa618d349c0fbd3bdd961bed9ab83b91bc5423c6a7e8f8fec60ae1952db32
[INFO] running `Command { std: "docker" "start" "-a" "cd0aa618d349c0fbd3bdd961bed9ab83b91bc5423c6a7e8f8fec60ae1952db32", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking target-spec-json v0.1.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.34s
[INFO] running `Command { std: "docker" "inspect" "cd0aa618d349c0fbd3bdd961bed9ab83b91bc5423c6a7e8f8fec60ae1952db32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd0aa618d349c0fbd3bdd961bed9ab83b91bc5423c6a7e8f8fec60ae1952db32", kill_on_drop: false }`
[INFO] [stdout] cd0aa618d349c0fbd3bdd961bed9ab83b91bc5423c6a7e8f8fec60ae1952db32