[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 master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtthill%2Frocketbot" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jtthill/rocketbot on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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-6/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] 9cb0cb8d69d63cb6703d5f3c12deb19bd37de1dbd6ebf6fda3f71ab2d27c9a54
[INFO] running `"docker" "start" "-a" "9cb0cb8d69d63cb6703d5f3c12deb19bd37de1dbd6ebf6fda3f71ab2d27c9a54"`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking fern v0.3.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding v0.2.33
[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 5.95s
[INFO] running `"docker" "inspect" "9cb0cb8d69d63cb6703d5f3c12deb19bd37de1dbd6ebf6fda3f71ab2d27c9a54"`
[INFO] running `"docker" "rm" "-f" "9cb0cb8d69d63cb6703d5f3c12deb19bd37de1dbd6ebf6fda3f71ab2d27c9a54"`
[INFO] [stdout] 9cb0cb8d69d63cb6703d5f3c12deb19bd37de1dbd6ebf6fda3f71ab2d27c9a54