[INFO] updating cached repository https://github.com/jtthill/rocketbot
[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] 7f419568deae7af4d6b92a85af24c3e50f370561
[INFO] checking jtthill/rocketbot against try#e60d9e09c55855f5a848fde8ad83e13131a5b241 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtthill%2Frocketbot" "/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/jtthill/rocketbot on toolchain e60d9e09c55855f5a848fde8ad83e13131a5b241
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jtthill/rocketbot
[INFO] finished tweaking git repo https://github.com/jtthill/rocketbot
[INFO] tweaked toml for git repo https://github.com/jtthill/rocketbot written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/jtthill/rocketbot already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "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" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "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] e30954165c387c7c438e2f6fe24d87ebb39b16c7fa39dace4bb3f709b9aa626c
[INFO] running `"docker" "start" "-a" "e30954165c387c7c438e2f6fe24d87ebb39b16c7fa39dace4bb3f709b9aa626c"`
[INFO] [stderr]     Checking fern v0.3.5
[INFO] [stderr]     Checking irc v0.11.6
[INFO] [stderr]     Checking rocketbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `location`
[INFO] [stderr]   --> src/logging.rs:20:61
[INFO] [stderr]    |
[INFO] [stderr] 20 |         format: Box::new(|msg: &str, level: &log::LogLevel, location: &log::LogLocation| {
[INFO] [stderr]    |                                                             ^^^^^^^^ help: consider prefixing with an underscore: `_location`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `location`
[INFO] [stderr]   --> src/logging.rs:20:61
[INFO] [stderr]    |
[INFO] [stderr] 20 |         format: Box::new(|msg: &str, level: &log::LogLevel, location: &log::LogLocation| {
[INFO] [stderr]    |                                                             ^^^^^^^^ help: consider prefixing with an underscore: `_location`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `"docker" "inspect" "e30954165c387c7c438e2f6fe24d87ebb39b16c7fa39dace4bb3f709b9aa626c"`
[INFO] running `"docker" "rm" "-f" "e30954165c387c7c438e2f6fe24d87ebb39b16c7fa39dace4bb3f709b9aa626c"`
[INFO] [stdout] e30954165c387c7c438e2f6fe24d87ebb39b16c7fa39dace4bb3f709b9aa626c