[INFO] fetching crate proc-macro-error-attr2 2.0.0...
[INFO] building proc-macro-error-attr2-2.0.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate proc-macro-error-attr2 2.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate proc-macro-error-attr2 2.0.0
[INFO] finished tweaking crates.io crate proc-macro-error-attr2 2.0.0
[INFO] tweaked toml for crates.io crate proc-macro-error-attr2 2.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate proc-macro-error-attr2 2.0.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67ff06b294d2aa83de112f27062e6facc0f49a40bfe442721c0f7b3be3379473
[INFO] running `Command { std: "docker" "start" "-a" "67ff06b294d2aa83de112f27062e6facc0f49a40bfe442721c0f7b3be3379473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67ff06b294d2aa83de112f27062e6facc0f49a40bfe442721c0f7b3be3379473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67ff06b294d2aa83de112f27062e6facc0f49a40bfe442721c0f7b3be3379473", kill_on_drop: false }`
[INFO] [stdout] 67ff06b294d2aa83de112f27062e6facc0f49a40bfe442721c0f7b3be3379473
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 163bdc8e9194fa8e300d2cdad77bbee255dd00f1c8eded26008cc448ead159e8
[INFO] running `Command { std: "docker" "start" "-a" "163bdc8e9194fa8e300d2cdad77bbee255dd00f1c8eded26008cc448ead159e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "163bdc8e9194fa8e300d2cdad77bbee255dd00f1c8eded26008cc448ead159e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "163bdc8e9194fa8e300d2cdad77bbee255dd00f1c8eded26008cc448ead159e8", kill_on_drop: false }`
[INFO] [stdout] 163bdc8e9194fa8e300d2cdad77bbee255dd00f1c8eded26008cc448ead159e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48d00d9c757d65fe35b158c42cf4ca818bbabb75d631e63dc33257eb5892fab0
[INFO] running `Command { std: "docker" "start" "-a" "48d00d9c757d65fe35b158c42cf4ca818bbabb75d631e63dc33257eb5892fab0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "48d00d9c757d65fe35b158c42cf4ca818bbabb75d631e63dc33257eb5892fab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d00d9c757d65fe35b158c42cf4ca818bbabb75d631e63dc33257eb5892fab0", kill_on_drop: false }`
[INFO] [stdout] 48d00d9c757d65fe35b158c42cf4ca818bbabb75d631e63dc33257eb5892fab0