[INFO] fetching crate proc-macro-error 1.0.2...
[INFO] testing proc-macro-error-1.0.2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate proc-macro-error 1.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate proc-macro-error 1.0.2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate proc-macro-error 1.0.2
[INFO] finished tweaking crates.io crate proc-macro-error 1.0.2
[INFO] tweaked toml for crates.io crate proc-macro-error 1.0.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.5.2
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f61f3c27354295c9c4e4bfe37da7ed15201cc0feb3f63781448ad7072d4a3c2f
[INFO] running `"docker" "start" "-a" "f61f3c27354295c9c4e4bfe37da7ed15201cc0feb3f63781448ad7072d4a3c2f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro-error v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `"docker" "inspect" "f61f3c27354295c9c4e4bfe37da7ed15201cc0feb3f63781448ad7072d4a3c2f"`
[INFO] running `"docker" "rm" "-f" "f61f3c27354295c9c4e4bfe37da7ed15201cc0feb3f63781448ad7072d4a3c2f"`
[INFO] [stdout] f61f3c27354295c9c4e4bfe37da7ed15201cc0feb3f63781448ad7072d4a3c2f
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9c766c8f66a844e3edf987ab23aaa92a17cdaf32f0b8dea255b9972f5fc546ae
[INFO] running `"docker" "start" "-a" "9c766c8f66a844e3edf987ab23aaa92a17cdaf32f0b8dea255b9972f5fc546ae"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling dissimilar v1.0.1
[INFO] [stderr]    Compiling toml v0.5.2
[INFO] [stderr]    Compiling trybuild v1.0.28
[INFO] [stderr]    Compiling proc-macro-error v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `test_crate`
[INFO] [stderr]  --> tests/ok.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate test_crate;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `proc-macro-error`.
[INFO] [stderr] 
[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 `"docker" "inspect" "9c766c8f66a844e3edf987ab23aaa92a17cdaf32f0b8dea255b9972f5fc546ae"`
[INFO] running `"docker" "rm" "-f" "9c766c8f66a844e3edf987ab23aaa92a17cdaf32f0b8dea255b9972f5fc546ae"`
[INFO] [stdout] 9c766c8f66a844e3edf987ab23aaa92a17cdaf32f0b8dea255b9972f5fc546ae