Dec 05 12:31:00.070 INFO checking grad-0.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 12:31:00.070 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 12:31:00.604 INFO [stdout] f2daed387c8e800f5222d8b100e816f53ced2372733e503d35a75ecd0f08ba9a
Dec 05 12:31:00.606 INFO running `"docker" "start" "-a" "f2daed387c8e800f5222d8b100e816f53ced2372733e503d35a75ecd0f08ba9a"`
Dec 05 12:31:02.202 INFO [stderr] usermod: no changes
Dec 05 12:31:02.650 INFO [stderr]    Compiling headers-derive v0.0.1
Dec 05 12:31:02.650 INFO [stderr]     Checking headers-core v0.0.1
Dec 05 12:31:02.689 INFO [stderr]     Checking tungstenite v0.6.1
Dec 05 12:31:06.891 INFO [stderr]     Checking headers-ext v0.0.3
Dec 05 12:31:09.951 INFO [stderr]     Checking warp v0.1.9
Dec 05 12:31:19.501 INFO [stderr]     Checking grad v0.1.0 (/source)
Dec 05 12:31:30.199 INFO [stderr] warning: use of deprecated item 'warp::index': renamed to warp::path::end
Dec 05 12:31:30.199 INFO [stderr]   --> src/main.rs:26:16
Dec 05 12:31:30.199 INFO [stderr]    |
Dec 05 12:31:30.199 INFO [stderr] 26 |     let root = warp::index().map(|| {
Dec 05 12:31:30.199 INFO [stderr]    |                ^^^^^^^^^^^
Dec 05 12:31:30.199 INFO [stderr]    |
Dec 05 12:31:30.199 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 05 12:31:30.199 INFO [stderr] 
Dec 05 12:31:30.819 INFO [stderr] warning: use of deprecated item 'warp::index': renamed to warp::path::end
Dec 05 12:31:30.819 INFO [stderr]   --> src/main.rs:26:16
Dec 05 12:31:30.819 INFO [stderr]    |
Dec 05 12:31:30.819 INFO [stderr] 26 |     let root = warp::index().map(|| {
Dec 05 12:31:30.819 INFO [stderr]    |                ^^^^^^^^^^^
Dec 05 12:31:30.819 INFO [stderr]    |
Dec 05 12:31:30.819 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 05 12:31:30.819 INFO [stderr] 
Dec 05 12:31:30.935 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 12:31:30.935 INFO [stderr]   --> src/main.rs:54:3
Dec 05 12:31:30.935 INFO [stderr]    |
Dec 05 12:31:30.935 INFO [stderr] 54 |   write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter);
Dec 05 12:31:30.935 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:31:30.935 INFO [stderr]    |
Dec 05 12:31:30.935 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 12:31:30.935 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 12:31:30.935 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 05 12:31:30.935 INFO [stderr] 
Dec 05 12:31:30.936 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 12:31:30.936 INFO [stderr]   --> src/main.rs:57:7
Dec 05 12:31:30.936 INFO [stderr]    |
Dec 05 12:31:30.936 INFO [stderr] 57 |       write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type);
Dec 05 12:31:30.936 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:31:30.936 INFO [stderr]    |
Dec 05 12:31:30.936 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 12:31:30.936 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 05 12:31:30.936 INFO [stderr] 
Dec 05 12:31:30.939 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 12:31:30.939 INFO [stderr]   --> src/main.rs:59:9
Dec 05 12:31:30.939 INFO [stderr]    |
Dec 05 12:31:30.939 INFO [stderr] 59 |         write!(&mut s, ", {}={}", tag.key, tag.value);
Dec 05 12:31:30.939 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:31:30.939 INFO [stderr]    |
Dec 05 12:31:30.939 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 12:31:30.939 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 05 12:31:30.939 INFO [stderr] 
Dec 05 12:31:31.375 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 12:31:31.375 INFO [stderr]   --> src/main.rs:54:3
Dec 05 12:31:31.375 INFO [stderr]    |
Dec 05 12:31:31.375 INFO [stderr] 54 |   write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter);
Dec 05 12:31:31.375 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:31:31.375 INFO [stderr]    |
Dec 05 12:31:31.375 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 12:31:31.375 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 12:31:31.375 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 05 12:31:31.375 INFO [stderr] 
Dec 05 12:31:31.375 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 12:31:31.375 INFO [stderr]   --> src/main.rs:57:7
Dec 05 12:31:31.375 INFO [stderr]    |
Dec 05 12:31:31.375 INFO [stderr] 57 |       write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type);
Dec 05 12:31:31.375 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:31:31.375 INFO [stderr]    |
Dec 05 12:31:31.375 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 12:31:31.375 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 05 12:31:31.375 INFO [stderr] 
Dec 05 12:31:31.375 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 12:31:31.375 INFO [stderr]   --> src/main.rs:59:9
Dec 05 12:31:31.375 INFO [stderr]    |
Dec 05 12:31:31.375 INFO [stderr] 59 |         write!(&mut s, ", {}={}", tag.key, tag.value);
Dec 05 12:31:31.375 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:31:31.375 INFO [stderr]    |
Dec 05 12:31:31.375 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 12:31:31.375 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 05 12:31:31.375 INFO [stderr] 
Dec 05 12:31:31.404 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.17s
Dec 05 12:31:31.423 INFO [stderr] su: No module specific data is present
Dec 05 12:31:32.363 INFO running `"docker" "inspect" "f2daed387c8e800f5222d8b100e816f53ced2372733e503d35a75ecd0f08ba9a"`
Dec 05 12:31:32.787 INFO running `"docker" "rm" "-f" "f2daed387c8e800f5222d8b100e816f53ced2372733e503d35a75ecd0f08ba9a"`
Dec 05 12:31:33.187 INFO [stdout] f2daed387c8e800f5222d8b100e816f53ced2372733e503d35a75ecd0f08ba9a