[INFO] cloning repository https://github.com/indutny/append-multi-log
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/indutny/append-multi-log" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findutny%2Fappend-multi-log"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findutny%2Fappend-multi-log'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2169eb250dcd3477a1aabc9b72331e0597306b43
[INFO] checking indutny/append-multi-log against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findutny%2Fappend-multi-log" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/indutny/append-multi-log on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/indutny/append-multi-log
[INFO] finished tweaking git repo https://github.com/indutny/append-multi-log
[INFO] tweaked toml for git repo https://github.com/indutny/append-multi-log written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/indutny/append-multi-log already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 782926425eaa58e757bbd9e2c4e8e4439ed28f1877c957352f1e4ad5949f6060
[INFO] running `"docker" "start" "-a" "782926425eaa58e757bbd9e2c4e8e4439ed28f1877c957352f1e4ad5949f6060"`
[INFO] [stderr]     Checking append-log v0.1.4-dev
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking append-multi-log v0.1.0-dev (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/error.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |             _ => write!(f, "{}", self.description()),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `path`
[INFO] [stderr]   --> src/log.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     path: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `options`
[INFO] [stderr]   --> src/log.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     options: Options,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `logs`
[INFO] [stderr]   --> src/log.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     logs: Vec<Log>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `log_count`
[INFO] [stderr]   --> src/log.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     log_count: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `log_path`
[INFO] [stderr]   --> src/log.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn log_path(path: &Path, index: usize) -> PathBuf {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tempfile::tempdir`
[INFO] [stderr]   --> src/log.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     use tempfile::tempdir;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/error.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |             _ => write!(f, "{}", self.description()),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `path`
[INFO] [stderr]   --> src/log.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     path: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `options`
[INFO] [stderr]   --> src/log.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     options: Options,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `logs`
[INFO] [stderr]   --> src/log.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     logs: Vec<Log>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `log_count`
[INFO] [stderr]   --> src/log.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     log_count: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `"docker" "inspect" "782926425eaa58e757bbd9e2c4e8e4439ed28f1877c957352f1e4ad5949f6060"`
[INFO] running `"docker" "rm" "-f" "782926425eaa58e757bbd9e2c4e8e4439ed28f1877c957352f1e4ad5949f6060"`
[INFO] [stdout] 782926425eaa58e757bbd9e2c4e8e4439ed28f1877c957352f1e4ad5949f6060