[INFO] updating cached repository https://github.com/ragone/lint-emit
[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] c227e82f9e801d6978214f7f6f2bea2e1d00be90
[INFO] checking ragone/lint-emit against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fragone%2Flint-emit" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ragone/lint-emit on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ragone/lint-emit
[INFO] finished tweaking git repo https://github.com/ragone/lint-emit
[INFO] tweaked toml for git repo https://github.com/ragone/lint-emit written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ragone/lint-emit already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: unused manifest key: package.maintenance
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: unused manifest key: package.maintenance
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] dab269d2304018c6c38b5dd92e5b8aa5b8389839a0241e0a257d955136f6728c
[INFO] running `"docker" "start" "-a" "dab269d2304018c6c38b5dd92e5b8aa5b8389839a0241e0a257d955136f6728c"`
[INFO] [stderr] warning: unused manifest key: package.maintenance
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking dialoguer v0.3.0
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking slog-term v2.4.2
[INFO] [stderr]     Checking lint-emit v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.06s
[INFO] running `"docker" "inspect" "dab269d2304018c6c38b5dd92e5b8aa5b8389839a0241e0a257d955136f6728c"`
[INFO] running `"docker" "rm" "-f" "dab269d2304018c6c38b5dd92e5b8aa5b8389839a0241e0a257d955136f6728c"`
[INFO] [stdout] dab269d2304018c6c38b5dd92e5b8aa5b8389839a0241e0a257d955136f6728c