[INFO] cloning repository https://github.com/PSeitz/rust_stack_string
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PSeitz/rust_stack_string" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPSeitz%2Frust_stack_string"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPSeitz%2Frust_stack_string'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 836227b1ef21324a85a2671b179cbd4be1ec9726
[INFO] checking PSeitz/rust_stack_string against master#7f940ef5d91b53e889f111f27e00849f2f5ae4a2 for pr-72493
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPSeitz%2Frust_stack_string" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PSeitz/rust_stack_string on toolchain 7f940ef5d91b53e889f111f27e00849f2f5ae4a2
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/PSeitz/rust_stack_string
[INFO] finished tweaking git repo https://github.com/PSeitz/rust_stack_string
[INFO] tweaked toml for git repo https://github.com/PSeitz/rust_stack_string written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/PSeitz/rust_stack_string already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ec1fb48346f598cfd2e7a4bdf87f4d717de09c0a2ed00ea8f452ab389c67cb58
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ec1fb48346f598cfd2e7a4bdf87f4d717de09c0a2ed00ea8f452ab389c67cb58"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking rust_stack_string_bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "ec1fb48346f598cfd2e7a4bdf87f4d717de09c0a2ed00ea8f452ab389c67cb58"`
[INFO] running `"docker" "rm" "-f" "ec1fb48346f598cfd2e7a4bdf87f4d717de09c0a2ed00ea8f452ab389c67cb58"`
[INFO] [stdout] ec1fb48346f598cfd2e7a4bdf87f4d717de09c0a2ed00ea8f452ab389c67cb58