[INFO] crate nu-errors 0.12.0 is already in cache
[INFO] testing nu-errors-0.12.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate nu-errors 0.12.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate nu-errors 0.12.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nu-errors 0.12.0
[INFO] finished tweaking crates.io crate nu-errors 0.12.0
[INFO] tweaked toml for crates.io crate nu-errors 0.12.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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=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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 0e1a3ab0e58a033db8781d8d9d648ce10c1af3b1b196165cb596f69b3a9c8b58
[INFO] running `"docker" "start" "-a" "0e1a3ab0e58a033db8781d8d9d648ce10c1af3b1b196165cb596f69b3a9c8b58"`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling nu-source v0.12.0
[INFO] [stderr]    Compiling nu-errors v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr] error: failed to run custom build command for `nu-source v0.12.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/nu-source-cb03b1758bc16d92/build-script-build` (exit code: 1)
[INFO] [stderr] --- stderr
[INFO] [stderr] Error: Error("EOF while parsing a value", line: 1, column: 0)
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0e1a3ab0e58a033db8781d8d9d648ce10c1af3b1b196165cb596f69b3a9c8b58"`
[INFO] running `"docker" "rm" "-f" "0e1a3ab0e58a033db8781d8d9d648ce10c1af3b1b196165cb596f69b3a9c8b58"`
[INFO] [stdout] 0e1a3ab0e58a033db8781d8d9d648ce10c1af3b1b196165cb596f69b3a9c8b58