Dec 18 15:34:22.044 INFO checking grad-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 15:34:22.045 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/grad/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 15:34:22.383 INFO [stdout] 9b0d8c0f7b856bc8825f840be741b96b4285c7cf0c0c53d8b6cf0d4036703e76
Dec 18 15:34:22.385 INFO running `"docker" "start" "-a" "9b0d8c0f7b856bc8825f840be741b96b4285c7cf0c0c53d8b6cf0d4036703e76"`
Dec 18 15:34:23.664 INFO [stderr]     Checking warp v0.1.10
Dec 18 15:34:29.084 INFO [stderr]     Checking grad v0.1.0 (/opt/crater/workdir)
Dec 18 15:34:31.281 INFO [stderr] warning: use of deprecated item 'warp::index': renamed to warp::path::end
Dec 18 15:34:31.283 INFO [stderr]   --> src/main.rs:26:16
Dec 18 15:34:31.283 INFO [stderr]    |
Dec 18 15:34:31.283 INFO [stderr] 26 |     let root = warp::index().map(|| {
Dec 18 15:34:31.284 INFO [stderr]    |                ^^^^^^^^^^^
Dec 18 15:34:31.284 INFO [stderr]    |
Dec 18 15:34:31.284 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 15:34:31.284 INFO [stderr] 
Dec 18 15:34:31.292 INFO [stderr] warning: use of deprecated item 'warp::index': renamed to warp::path::end
Dec 18 15:34:31.292 INFO [stderr]   --> src/main.rs:26:16
Dec 18 15:34:31.292 INFO [stderr]    |
Dec 18 15:34:31.292 INFO [stderr] 26 |     let root = warp::index().map(|| {
Dec 18 15:34:31.292 INFO [stderr]    |                ^^^^^^^^^^^
Dec 18 15:34:31.292 INFO [stderr]    |
Dec 18 15:34:31.292 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 15:34:31.292 INFO [stderr] 
Dec 18 15:34:31.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 15:34:31.868 INFO [stderr]   --> src/main.rs:54:3
Dec 18 15:34:31.868 INFO [stderr]    |
Dec 18 15:34:31.868 INFO [stderr] 54 |   write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter);
Dec 18 15:34:31.868 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:34:31.868 INFO [stderr]    |
Dec 18 15:34:31.868 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 15:34:31.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 15:34:31.868 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 15:34:31.868 INFO [stderr] 
Dec 18 15:34:31.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 15:34:31.868 INFO [stderr]   --> src/main.rs:57:7
Dec 18 15:34:31.868 INFO [stderr]    |
Dec 18 15:34:31.868 INFO [stderr] 57 |       write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type);
Dec 18 15:34:31.868 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:34:31.868 INFO [stderr]    |
Dec 18 15:34:31.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 15:34:31.868 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 15:34:31.868 INFO [stderr] 
Dec 18 15:34:31.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 15:34:31.868 INFO [stderr]   --> src/main.rs:59:9
Dec 18 15:34:31.868 INFO [stderr]    |
Dec 18 15:34:31.868 INFO [stderr] 59 |         write!(&mut s, ", {}={}", tag.key, tag.value);
Dec 18 15:34:31.868 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:34:31.868 INFO [stderr]    |
Dec 18 15:34:31.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 15:34:31.868 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 15:34:31.868 INFO [stderr] 
Dec 18 15:34:31.874 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 15:34:31.874 INFO [stderr]   --> src/main.rs:54:3
Dec 18 15:34:31.874 INFO [stderr]    |
Dec 18 15:34:31.874 INFO [stderr] 54 |   write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter);
Dec 18 15:34:31.874 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:34:31.874 INFO [stderr]    |
Dec 18 15:34:31.874 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 15:34:31.874 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 15:34:31.874 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 15:34:31.874 INFO [stderr] 
Dec 18 15:34:31.874 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 15:34:31.874 INFO [stderr]   --> src/main.rs:57:7
Dec 18 15:34:31.874 INFO [stderr]    |
Dec 18 15:34:31.874 INFO [stderr] 57 |       write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type);
Dec 18 15:34:31.874 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:34:31.874 INFO [stderr]    |
Dec 18 15:34:31.874 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 15:34:31.874 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 15:34:31.874 INFO [stderr] 
Dec 18 15:34:31.874 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 15:34:31.874 INFO [stderr]   --> src/main.rs:59:9
Dec 18 15:34:31.874 INFO [stderr]    |
Dec 18 15:34:31.874 INFO [stderr] 59 |         write!(&mut s, ", {}={}", tag.key, tag.value);
Dec 18 15:34:31.874 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:34:31.874 INFO [stderr]    |
Dec 18 15:34:31.874 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 15:34:31.874 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 15:34:31.874 INFO [stderr] 
Dec 18 15:34:31.940 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.66s
Dec 18 15:34:32.422 INFO running `"docker" "inspect" "9b0d8c0f7b856bc8825f840be741b96b4285c7cf0c0c53d8b6cf0d4036703e76"`
Dec 18 15:34:32.666 INFO running `"docker" "rm" "-f" "9b0d8c0f7b856bc8825f840be741b96b4285c7cf0c0c53d8b6cf0d4036703e76"`
Dec 18 15:34:32.823 INFO [stdout] 9b0d8c0f7b856bc8825f840be741b96b4285c7cf0c0c53d8b6cf0d4036703e76