[INFO] updating cached repository https://github.com/zjhken/MioPractice
[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] b7e077633c9c64e7342ee2e473eea1a4421e8a49
[INFO] checking zjhken/MioPractice against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzjhken%2FMioPractice" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zjhken/MioPractice 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/zjhken/MioPractice
[INFO] finished tweaking git repo https://github.com/zjhken/MioPractice
[INFO] tweaked toml for git repo https://github.com/zjhken/MioPractice written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/zjhken/MioPractice already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] bdb260e851b55ba29dbda2fe40049e0e29f012d6e44f0c4a1c21c5973a0d0ae7
[INFO] running `"docker" "start" "-a" "bdb260e851b55ba29dbda2fe40049e0e29f012d6e44f0c4a1c21c5973a0d0ae7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking log v0.4.4
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking simple_logger v0.5.0
[INFO] [stderr]     Checking MioPractice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.80s
[INFO] running `"docker" "inspect" "bdb260e851b55ba29dbda2fe40049e0e29f012d6e44f0c4a1c21c5973a0d0ae7"`
[INFO] running `"docker" "rm" "-f" "bdb260e851b55ba29dbda2fe40049e0e29f012d6e44f0c4a1c21c5973a0d0ae7"`
[INFO] [stdout] bdb260e851b55ba29dbda2fe40049e0e29f012d6e44f0c4a1c21c5973a0d0ae7