[INFO] crate geobacter-runtime-core 1.0.0 is already in cache
[INFO] checking geobacter-runtime-core-1.0.0 against master#0d2817a439c2ad9fe343f6347eb6d90947893363 for pr-67531
[INFO] extracting crate geobacter-runtime-core 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate geobacter-runtime-core 1.0.0 on toolchain 0d2817a439c2ad9fe343f6347eb6d90947893363
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate geobacter-runtime-core 1.0.0
[INFO] finished tweaking crates.io crate geobacter-runtime-core 1.0.0
[INFO] tweaked toml for crates.io crate geobacter-runtime-core 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7ce20b494e3fe9c0db6c9a0e9a77d5740f9c57fbc414f7afe56394f826fc05fc
[INFO] running `"docker" "start" "-a" "7ce20b494e3fe9c0db6c9a0e9a77d5740f9c57fbc414f7afe56394f826fc05fc"`
[INFO] [stderr]    Compiling geobacter-runtime-core v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling debugit v0.1.2
[INFO] [stderr]     Checking geobacter-shared-defs v1.0.0
[INFO] [stderr]     Checking erased-serde v0.3.9
[INFO] [stderr]     Checking indexed_vec v1.2.0
[INFO] [stderr]     Checking goblin v0.0.23
[INFO] [stderr] error[E0463]: can't find crate for `rustc`
[INFO] [stderr]   --> build.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | extern crate rustc;
[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 `geobacter-runtime-core`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7ce20b494e3fe9c0db6c9a0e9a77d5740f9c57fbc414f7afe56394f826fc05fc"`
[INFO] running `"docker" "rm" "-f" "7ce20b494e3fe9c0db6c9a0e9a77d5740f9c57fbc414f7afe56394f826fc05fc"`
[INFO] [stdout] 7ce20b494e3fe9c0db6c9a0e9a77d5740f9c57fbc414f7afe56394f826fc05fc