[INFO] fetching crate proc-macro-error 1.0.4...
[INFO] checking proc-macro-error-1.0.4 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] extracting crate proc-macro-error 1.0.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate proc-macro-error 1.0.4 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proc-macro-error 1.0.4
[INFO] finished tweaking crates.io crate proc-macro-error 1.0.4
[INFO] tweaked toml for crates.io crate proc-macro-error 1.0.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dissimilar v1.0.2
[INFO] [stderr]   Downloaded serde v1.0.107
[INFO] [stderr]   Downloaded serde_derive v1.0.107
[INFO] [stderr]   Downloaded toml v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 000bab99c74ef1ed7c5d04cfa82fba08c5d035b10aaef4bff11d347d31e925a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "000bab99c74ef1ed7c5d04cfa82fba08c5d035b10aaef4bff11d347d31e925a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "000bab99c74ef1ed7c5d04cfa82fba08c5d035b10aaef4bff11d347d31e925a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "000bab99c74ef1ed7c5d04cfa82fba08c5d035b10aaef4bff11d347d31e925a4", kill_on_drop: false }`
[INFO] [stdout] 000bab99c74ef1ed7c5d04cfa82fba08c5d035b10aaef4bff11d347d31e925a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01b72171c806010dfc0f328f857369d1c5b5b8c88e70c05a16dda0452d0c721e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "01b72171c806010dfc0f328f857369d1c5b5b8c88e70c05a16dda0452d0c721e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde v1.0.107
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling trybuild v1.0.38
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.107
[INFO] [stderr]     Checking toml v0.5.2
[INFO] [stdout] error[E0463]: can't find crate for `test_crate`
[INFO] [stdout]  --> tests/ok.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate test_crate;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro-error`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "01b72171c806010dfc0f328f857369d1c5b5b8c88e70c05a16dda0452d0c721e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b72171c806010dfc0f328f857369d1c5b5b8c88e70c05a16dda0452d0c721e", kill_on_drop: false }`
[INFO] [stdout] 01b72171c806010dfc0f328f857369d1c5b5b8c88e70c05a16dda0452d0c721e