[INFO] crate mio-byte-fifo 0.1.3 is already in cache
[INFO] checking mio-byte-fifo-0.1.3 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate mio-byte-fifo 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mio-byte-fifo 0.1.3 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mio-byte-fifo 0.1.3
[INFO] finished tweaking crates.io crate mio-byte-fifo 0.1.3
[INFO] tweaked toml for crates.io crate mio-byte-fifo 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] ae05d67d854c4f3cf14e325e20daa99b6570fa61ad1e36ccce61d93d62bbdd13
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ae05d67d854c4f3cf14e325e20daa99b6570fa61ad1e36ccce61d93d62bbdd13"`
[INFO] [stderr]    Compiling ringbuf v0.1.9
[INFO] [stderr]     Checking mio-byte-fifo v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:628:51
[INFO] [stderr]     |
[INFO] [stderr] 628 |                 assert_eq!(err.get_ref().unwrap().description(), "Ring buffer is empty");
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:643:51
[INFO] [stderr]     |
[INFO] [stderr] 643 |                 assert_eq!(err.get_ref().unwrap().description(), "Ring buffer is full");
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:694:53
[INFO] [stderr]     |
[INFO] [stderr] 694 |                     assert_eq!(e.get_ref().unwrap().description(), "Ring buffer is empty");
[INFO] [stderr]     |                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:712:53
[INFO] [stderr]     |
[INFO] [stderr] 712 |                     assert_eq!(e.get_ref().unwrap().description(), "Ring buffer is full");
[INFO] [stderr]     |                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:733:51
[INFO] [stderr]     |
[INFO] [stderr] 733 |                 assert_eq!(err.get_ref().unwrap().description(), "Consumer was closed");
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:759:51
[INFO] [stderr]     |
[INFO] [stderr] 759 |                 assert_eq!(err.get_ref().unwrap().description(), "Producer was closed");
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `"docker" "inspect" "ae05d67d854c4f3cf14e325e20daa99b6570fa61ad1e36ccce61d93d62bbdd13"`
[INFO] running `"docker" "rm" "-f" "ae05d67d854c4f3cf14e325e20daa99b6570fa61ad1e36ccce61d93d62bbdd13"`
[INFO] [stdout] ae05d67d854c4f3cf14e325e20daa99b6570fa61ad1e36ccce61d93d62bbdd13