[INFO] fetching crate proc-result 0.3.0...
[INFO] building proc-result-0.3.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate proc-result 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate proc-result 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate proc-result 0.3.0
[INFO] tweaked toml for crates.io crate proc-result 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate proc-result 0.3.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate proc-result 0.3.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d95f3abb38bc3ca76af2a73489775ae991f3e5d4fe8979be8ff38b624cd6fd0b
[INFO] running `Command { std: "docker" "start" "-a" "d95f3abb38bc3ca76af2a73489775ae991f3e5d4fe8979be8ff38b624cd6fd0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d95f3abb38bc3ca76af2a73489775ae991f3e5d4fe8979be8ff38b624cd6fd0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d95f3abb38bc3ca76af2a73489775ae991f3e5d4fe8979be8ff38b624cd6fd0b", kill_on_drop: false }`
[INFO] [stdout] d95f3abb38bc3ca76af2a73489775ae991f3e5d4fe8979be8ff38b624cd6fd0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baf6ebb7006350a76b671402150726104abe895f5477a9944a277c8e926ddac4
[INFO] running `Command { std: "docker" "start" "-a" "baf6ebb7006350a76b671402150726104abe895f5477a9944a277c8e926ddac4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-result v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "baf6ebb7006350a76b671402150726104abe895f5477a9944a277c8e926ddac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf6ebb7006350a76b671402150726104abe895f5477a9944a277c8e926ddac4", kill_on_drop: false }`
[INFO] [stdout] baf6ebb7006350a76b671402150726104abe895f5477a9944a277c8e926ddac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5177e5cf6370331e830210d6664f082e54e25f147be281cf3cbfa70517707ad
[INFO] running `Command { std: "docker" "start" "-a" "f5177e5cf6370331e830210d6664f082e54e25f147be281cf3cbfa70517707ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling serde_test v1.0.177
[INFO] [stderr]    Compiling proc-result v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.14s
[INFO] running `Command { std: "docker" "inspect" "f5177e5cf6370331e830210d6664f082e54e25f147be281cf3cbfa70517707ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5177e5cf6370331e830210d6664f082e54e25f147be281cf3cbfa70517707ad", kill_on_drop: false }`
[INFO] [stdout] f5177e5cf6370331e830210d6664f082e54e25f147be281cf3cbfa70517707ad