[INFO] updating cached repository https://github.com/museun/readchat
[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] 93946a594356201103d65466536e534e6c5bd52f
[INFO] checking museun/readchat against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Freadchat" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/museun/readchat on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/museun/readchat
[INFO] finished tweaking git repo https://github.com/museun/readchat
[INFO] tweaked toml for git repo https://github.com/museun/readchat written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/museun/readchat already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 7003d7fc6e1e2420d36c4a37603d82f973c017a6bf06b30f40ec75b9e725b10e
[INFO] running `"docker" "start" "-a" "7003d7fc6e1e2420d36c4a37603d82f973c017a6bf06b30f40ec75b9e725b10e"`
[INFO] [stderr]     Checking rate_limit v0.1.1
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking terminal_size v0.1.8
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking twitchchat v0.7.2
[INFO] [stderr]     Checking readchat v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ureq v0.11.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.06s
[INFO] running `"docker" "inspect" "7003d7fc6e1e2420d36c4a37603d82f973c017a6bf06b30f40ec75b9e725b10e"`
[INFO] running `"docker" "rm" "-f" "7003d7fc6e1e2420d36c4a37603d82f973c017a6bf06b30f40ec75b9e725b10e"`
[INFO] [stdout] 7003d7fc6e1e2420d36c4a37603d82f973c017a6bf06b30f40ec75b9e725b10e