[INFO] updating cached repository https://github.com/Marwes/combine-slow-compile
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 21cf38a5429e32a703c2bc2ea02cbcbaf2985b01
[INFO] checking Marwes/combine-slow-compile against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarwes%2Fcombine-slow-compile" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Marwes/combine-slow-compile on toolchain d939f708d960161d23b964309ba68ff207fc0ead
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Marwes/combine-slow-compile
[INFO] finished tweaking git repo https://github.com/Marwes/combine-slow-compile
[INFO] tweaked toml for git repo https://github.com/Marwes/combine-slow-compile written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Marwes/combine-slow-compile already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "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" "+d939f708d960161d23b964309ba68ff207fc0ead" "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] 1c47da05a0ddb9999ffb7c95ad4e309c3364e0cf2fba3ff25188f8ba3464c899
[INFO] running `"docker" "start" "-a" "1c47da05a0ddb9999ffb7c95ad4e309c3364e0cf2fba3ff25188f8ba3464c899"`
[INFO] [stderr]     Checking memchr v2.3.0
[INFO] [stderr]     Checking combine v4.0.1
[INFO] [stderr]     Checking combine-slow-compile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `combine-slow-compile`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name combine_slow_compile --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,metadata -C debuginfo=2 --test -C metadata=9f7ac3eb6a9ea4b5 -C extra-filename=-9f7ac3eb6a9ea4b5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern combine=/opt/rustwide/target/debug/deps/libcombine-5545ae4c08473ac2.rmeta --extern either=/opt/rustwide/target/debug/deps/libeither-c906083042fd8ca7.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `combine-slow-compile`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name combine_slow_compile --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,metadata -C debuginfo=2 -C metadata=7ea7b2d973ecb798 -C extra-filename=-7ea7b2d973ecb798 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern combine=/opt/rustwide/target/debug/deps/libcombine-5545ae4c08473ac2.rmeta --extern either=/opt/rustwide/target/debug/deps/libeither-c906083042fd8ca7.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "1c47da05a0ddb9999ffb7c95ad4e309c3364e0cf2fba3ff25188f8ba3464c899"`
[INFO] running `"docker" "rm" "-f" "1c47da05a0ddb9999ffb7c95ad4e309c3364e0cf2fba3ff25188f8ba3464c899"`
[INFO] [stdout] 1c47da05a0ddb9999ffb7c95ad4e309c3364e0cf2fba3ff25188f8ba3464c899