Dec 18 15:34:21.748 INFO checking grad-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 15:34:21.748 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 15:34:22.001 INFO [stdout] caaa869acfa5763dc4f770d8da4fd6672b0930b723e3e35d5316f36074180218
Dec 18 15:34:22.003 INFO running `"docker" "start" "-a" "caaa869acfa5763dc4f770d8da4fd6672b0930b723e3e35d5316f36074180218"`
Dec 18 15:34:23.128 INFO [stderr]    Compiling headers-derive v0.0.2
Dec 18 15:34:23.128 INFO [stderr]     Checking headers-core v0.0.2
Dec 18 15:34:23.132 INFO [stderr]     Checking tungstenite v0.6.1
Dec 18 15:34:25.848 INFO [stderr]     Checking headers-ext v0.0.4
Dec 18 15:34:28.174 INFO [stderr]     Checking warp v0.1.10
Dec 18 15:34:33.000 INFO [stderr]     Checking grad v0.1.0 (/opt/crater/workdir)
Dec 18 15:34:34.832 INFO [stderr] warning: use of deprecated item 'warp::index': renamed to warp::path::end
Dec 18 15:34:34.832 INFO [stderr]   --> src/main.rs:26:16
Dec 18 15:34:34.832 INFO [stderr]    |
Dec 18 15:34:34.832 INFO [stderr] 26 |     let root = warp::index().map(|| {
Dec 18 15:34:34.832 INFO [stderr]    |                ^^^^^^^^^^^
Dec 18 15:34:34.832 INFO [stderr]    |
Dec 18 15:34:34.832 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 15:34:34.832 INFO [stderr] 
Dec 18 15:34:34.916 INFO [stderr] warning: use of deprecated item 'warp::index': renamed to warp::path::end
Dec 18 15:34:34.916 INFO [stderr]   --> src/main.rs:26:16
Dec 18 15:34:34.916 INFO [stderr]    |
Dec 18 15:34:34.916 INFO [stderr] 26 |     let root = warp::index().map(|| {
Dec 18 15:34:34.916 INFO [stderr]    |                ^^^^^^^^^^^
Dec 18 15:34:34.916 INFO [stderr]    |
Dec 18 15:34:34.916 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 15:34:34.916 INFO [stderr] 
Dec 18 15:34:35.328 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 15:34:35.328 INFO [stderr]   --> src/main.rs:54:3
Dec 18 15:34:35.328 INFO [stderr]    |
Dec 18 15:34:35.328 INFO [stderr] 54 |   write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter);
Dec 18 15:34:35.328 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:34:35.328 INFO [stderr]    |
Dec 18 15:34:35.328 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 15:34:35.328 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 15:34:35.329 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 15:34:35.329 INFO [stderr] 
Dec 18 15:34:35.329 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 15:34:35.329 INFO [stderr]   --> src/main.rs:57:7
Dec 18 15:34:35.329 INFO [stderr]    |
Dec 18 15:34:35.329 INFO [stderr] 57 |       write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type);
Dec 18 15:34:35.329 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:34:35.329 INFO [stderr]    |
Dec 18 15:34:35.329 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 15:34:35.329 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 15:34:35.329 INFO [stderr] 
Dec 18 15:34:35.329 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 15:34:35.329 INFO [stderr]   --> src/main.rs:59:9
Dec 18 15:34:35.329 INFO [stderr]    |
Dec 18 15:34:35.329 INFO [stderr] 59 |         write!(&mut s, ", {}={}", tag.key, tag.value);
Dec 18 15:34:35.329 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:34:35.329 INFO [stderr]    |
Dec 18 15:34:35.329 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 15:34:35.329 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 15:34:35.329 INFO [stderr] 
Dec 18 15:34:35.401 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 15:34:35.401 INFO [stderr]   --> src/main.rs:54:3
Dec 18 15:34:35.401 INFO [stderr]    |
Dec 18 15:34:35.401 INFO [stderr] 54 |   write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter);
Dec 18 15:34:35.401 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:34:35.401 INFO [stderr]    |
Dec 18 15:34:35.401 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 15:34:35.401 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 15:34:35.401 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 15:34:35.401 INFO [stderr] 
Dec 18 15:34:35.401 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 15:34:35.401 INFO [stderr]   --> src/main.rs:57:7
Dec 18 15:34:35.401 INFO [stderr]    |
Dec 18 15:34:35.401 INFO [stderr] 57 |       write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type);
Dec 18 15:34:35.401 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:34:35.401 INFO [stderr]    |
Dec 18 15:34:35.401 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 15:34:35.401 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 15:34:35.401 INFO [stderr] 
Dec 18 15:34:35.401 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 15:34:35.401 INFO [stderr]   --> src/main.rs:59:9
Dec 18 15:34:35.401 INFO [stderr]    |
Dec 18 15:34:35.401 INFO [stderr] 59 |         write!(&mut s, ", {}={}", tag.key, tag.value);
Dec 18 15:34:35.401 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:34:35.401 INFO [stderr]    |
Dec 18 15:34:35.401 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 15:34:35.401 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 15:34:35.401 INFO [stderr] 
Dec 18 15:34:35.432 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.63s
Dec 18 15:34:35.700 INFO running `"docker" "inspect" "caaa869acfa5763dc4f770d8da4fd6672b0930b723e3e35d5316f36074180218"`
Dec 18 15:34:35.798 INFO running `"docker" "rm" "-f" "caaa869acfa5763dc4f770d8da4fd6672b0930b723e3e35d5316f36074180218"`
Dec 18 15:34:35.891 INFO [stdout] caaa869acfa5763dc4f770d8da4fd6672b0930b723e3e35d5316f36074180218