[INFO] updating cached repository https://github.com/MTDK1/wordcount
[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] 8fa128601e9f88987aaa3a8ef6ea243beb7cb419
[INFO] checking MTDK1/wordcount against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMTDK1%2Fwordcount" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MTDK1/wordcount 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/MTDK1/wordcount
[INFO] finished tweaking git repo https://github.com/MTDK1/wordcount
[INFO] tweaked toml for git repo https://github.com/MTDK1/wordcount written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/MTDK1/wordcount 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 488427e79eec86e0efa5c617be64b4667c837f52c7bb3ead5d24a25a3295a317
[INFO] running `"docker" "start" "-a" "488427e79eec86e0efa5c617be64b4667c837f52c7bb3ead5d24a25a3295a317"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]     Checking regex-syntax v0.6.10
[INFO] [stderr]     Checking regex v1.2.0
[INFO] [stderr]     Checking wordcount v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | / macro_rules! assert_map {
[INFO] [stderr] 80 | |   ($expr: expr, {$($key: expr => $value:expr),*}) => {
[INFO] [stderr] 81 | |     $(assert_eq!($expr[$key], $value));*
[INFO] [stderr] 82 | |   };
[INFO] [stderr] 83 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `"docker" "inspect" "488427e79eec86e0efa5c617be64b4667c837f52c7bb3ead5d24a25a3295a317"`
[INFO] running `"docker" "rm" "-f" "488427e79eec86e0efa5c617be64b4667c837f52c7bb3ead5d24a25a3295a317"`
[INFO] [stdout] 488427e79eec86e0efa5c617be64b4667c837f52c7bb3ead5d24a25a3295a317