[INFO] updating cached repository https://github.com/t-tonchim/iron-gcd
[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] 48eea87f08892effa292336ccad15bdd41877051
[INFO] checking t-tonchim/iron-gcd against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-tonchim%2Firon-gcd" "/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/t-tonchim/iron-gcd on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/t-tonchim/iron-gcd
[INFO] finished tweaking git repo https://github.com/t-tonchim/iron-gcd
[INFO] tweaked toml for git repo https://github.com/t-tonchim/iron-gcd written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/t-tonchim/iron-gcd already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] d0b5cf1fedc3735d153de94b976cf7daf6dc070e9f679d31a1f294162901d9c2
[INFO] running `"docker" "start" "-a" "d0b5cf1fedc3735d153de94b976cf7daf6dc070e9f679d31a1f294162901d9c2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking log v0.4.4
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking hyper v0.10.13
[INFO] [stderr]     Checking iron v0.5.1
[INFO] [stderr]     Checking persistent v0.3.0
[INFO] [stderr]     Checking router v0.5.1
[INFO] [stderr]     Checking bodyparser v0.5.0
[INFO] [stderr]     Checking urlencoded v0.5.0
[INFO] [stderr]     Checking iron-gcd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.70s
[INFO] running `"docker" "inspect" "d0b5cf1fedc3735d153de94b976cf7daf6dc070e9f679d31a1f294162901d9c2"`
[INFO] running `"docker" "rm" "-f" "d0b5cf1fedc3735d153de94b976cf7daf6dc070e9f679d31a1f294162901d9c2"`
[INFO] [stdout] d0b5cf1fedc3735d153de94b976cf7daf6dc070e9f679d31a1f294162901d9c2