[INFO] fetching crate proc-macro-error 1.0.4...
[INFO] checking proc-macro-error-1.0.4 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate proc-macro-error 1.0.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate proc-macro-error 1.0.4 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "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_derive v1.0.107
[INFO] [stderr]   Downloaded serde v1.0.107
[INFO] [stderr]   Downloaded toml v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 557e2e4b8b0387b65bf63415cfdb30ea0f98f8f98da7fa9730e9b7ad16cd35f7
[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" "557e2e4b8b0387b65bf63415cfdb30ea0f98f8f98da7fa9730e9b7ad16cd35f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "557e2e4b8b0387b65bf63415cfdb30ea0f98f8f98da7fa9730e9b7ad16cd35f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "557e2e4b8b0387b65bf63415cfdb30ea0f98f8f98da7fa9730e9b7ad16cd35f7", kill_on_drop: false }`
[INFO] [stdout] 557e2e4b8b0387b65bf63415cfdb30ea0f98f8f98da7fa9730e9b7ad16cd35f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8611ec381e9af4f0f58c6f3ea918d4edc72d69c6b6564ff4458e83807b372ba1
[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" "8611ec381e9af4f0f58c6f3ea918d4edc72d69c6b6564ff4458e83807b372ba1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.107
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.107
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking toml v0.5.2
[INFO] [stderr]     Checking trybuild v1.0.38
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[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 `Command { std: "docker" "inspect" "8611ec381e9af4f0f58c6f3ea918d4edc72d69c6b6564ff4458e83807b372ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8611ec381e9af4f0f58c6f3ea918d4edc72d69c6b6564ff4458e83807b372ba1", kill_on_drop: false }`
[INFO] [stdout] 8611ec381e9af4f0f58c6f3ea918d4edc72d69c6b6564ff4458e83807b372ba1