Dec 06 18:59:45.997 INFO testing twiggy-traits-0.3.0 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 18:59:45.997 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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 06 18:59:46.438 INFO [stdout] 501f3f64139fd1464c599c3b4edc2ae15d40cecff79bb4e6e7049b8345d774c6
Dec 06 18:59:46.440 INFO running `"docker" "start" "-a" "501f3f64139fd1464c599c3b4edc2ae15d40cecff79bb4e6e7049b8345d774c6"`
Dec 06 18:59:48.340 INFO [stderr] usermod: no changes
Dec 06 18:59:48.528 INFO [stderr]    Compiling frozen v1.0.0
Dec 06 18:59:48.528 INFO [stderr]    Compiling cpp_demangle v0.2.12
Dec 06 18:59:48.528 INFO [stderr]    Compiling parity-wasm v0.32.0
Dec 06 18:59:48.528 INFO [stderr]    Compiling gimli v0.16.1
Dec 06 19:00:02.508 INFO [stderr]    Compiling twiggy-ir v0.3.0
Dec 06 19:00:08.089 INFO [stderr]    Compiling twiggy-traits v0.3.0 (/source)
Dec 06 19:00:10.547 INFO [stderr] warning: unused variable: `items`
Dec 06 19:00:10.548 INFO [stderr]    --> traits.rs:197:9
Dec 06 19:00:10.548 INFO [stderr]     |
Dec 06 19:00:10.548 INFO [stderr] 197 |         items: &ir::Items,
Dec 06 19:00:10.548 INFO [stderr]     |         ^^^^^ help: consider using `_items` instead
Dec 06 19:00:10.548 INFO [stderr]     |
Dec 06 19:00:10.550 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 06 19:00:10.550 INFO [stderr] 
Dec 06 19:00:10.550 INFO [stderr] warning: unused variable: `destination`
Dec 06 19:00:10.550 INFO [stderr]    --> traits.rs:198:9
Dec 06 19:00:10.550 INFO [stderr]     |
Dec 06 19:00:10.550 INFO [stderr] 198 |         destination: &mut io::Write,
Dec 06 19:00:10.550 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_destination` instead
Dec 06 19:00:10.550 INFO [stderr] 
Dec 06 19:00:10.821 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.46s
Dec 06 19:00:10.828 INFO [stderr] su: No module specific data is present
Dec 06 19:00:11.398 INFO running `"docker" "inspect" "501f3f64139fd1464c599c3b4edc2ae15d40cecff79bb4e6e7049b8345d774c6"`
Dec 06 19:00:11.616 INFO running `"docker" "rm" "-f" "501f3f64139fd1464c599c3b4edc2ae15d40cecff79bb4e6e7049b8345d774c6"`
Dec 06 19:00:11.956 INFO [stdout] 501f3f64139fd1464c599c3b4edc2ae15d40cecff79bb4e6e7049b8345d774c6
Dec 06 19:00:11.959 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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 06 19:00:12.384 INFO [stdout] e9b3d2939265621784a7a1decaf8588a6158baed28754cbc3f74e6591461842c
Dec 06 19:00:12.390 INFO running `"docker" "start" "-a" "e9b3d2939265621784a7a1decaf8588a6158baed28754cbc3f74e6591461842c"`
Dec 06 19:00:13.635 INFO [stderr] usermod: no changes
Dec 06 19:00:13.799 INFO [stderr]    Compiling twiggy-traits v0.3.0 (/source)
Dec 06 19:00:16.255 INFO [stderr] warning: unused variable: `items`
Dec 06 19:00:16.264 INFO [stderr]    --> traits.rs:197:9
Dec 06 19:00:16.264 INFO [stderr]     |
Dec 06 19:00:16.264 INFO [stderr] 197 |         items: &ir::Items,
Dec 06 19:00:16.264 INFO [stderr]     |         ^^^^^ help: consider using `_items` instead
Dec 06 19:00:16.264 INFO [stderr]     |
Dec 06 19:00:16.264 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 06 19:00:16.264 INFO [stderr] 
Dec 06 19:00:16.264 INFO [stderr] warning: unused variable: `destination`
Dec 06 19:00:16.264 INFO [stderr]    --> traits.rs:198:9
Dec 06 19:00:16.264 INFO [stderr]     |
Dec 06 19:00:16.264 INFO [stderr] 198 |         destination: &mut io::Write,
Dec 06 19:00:16.264 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_destination` instead
Dec 06 19:00:16.264 INFO [stderr] 
Dec 06 19:00:16.945 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
Dec 06 19:00:16.957 INFO [stderr] su: No module specific data is present
Dec 06 19:00:18.411 INFO running `"docker" "inspect" "e9b3d2939265621784a7a1decaf8588a6158baed28754cbc3f74e6591461842c"`
Dec 06 19:00:18.758 INFO running `"docker" "rm" "-f" "e9b3d2939265621784a7a1decaf8588a6158baed28754cbc3f74e6591461842c"`
Dec 06 19:00:19.148 INFO [stdout] e9b3d2939265621784a7a1decaf8588a6158baed28754cbc3f74e6591461842c
Dec 06 19:00:19.154 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-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 06 19:00:19.722 INFO [stdout] c517480c1324361673c1bebae4f09392b66fdd2f984092ad458d08ec4b9d5bb2
Dec 06 19:00:19.724 INFO running `"docker" "start" "-a" "c517480c1324361673c1bebae4f09392b66fdd2f984092ad458d08ec4b9d5bb2"`
Dec 06 19:00:21.780 INFO [stderr] usermod: no changes
Dec 06 19:00:22.004 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
Dec 06 19:00:22.008 INFO [stderr]      Running /target/debug/deps/twiggy_traits-12e6f1fb19ba6c81
Dec 06 19:00:22.014 INFO [stdout] 
Dec 06 19:00:22.014 INFO [stdout] running 1 test
Dec 06 19:00:22.014 INFO [stdout] test size_of_error_is_one_word ... ok
Dec 06 19:00:22.014 INFO [stdout] 
Dec 06 19:00:22.015 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 19:00:22.015 INFO [stdout] 
Dec 06 19:00:22.020 INFO [stderr]    Doc-tests twiggy-traits
Dec 06 19:00:26.340 INFO [stdout] 
Dec 06 19:00:26.340 INFO [stdout] running 0 tests
Dec 06 19:00:26.340 INFO [stdout] 
Dec 06 19:00:26.340 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 19:00:26.340 INFO [stdout] 
Dec 06 19:00:26.348 INFO [stderr] su: No module specific data is present
Dec 06 19:00:27.120 INFO running `"docker" "inspect" "c517480c1324361673c1bebae4f09392b66fdd2f984092ad458d08ec4b9d5bb2"`
Dec 06 19:00:27.440 INFO running `"docker" "rm" "-f" "c517480c1324361673c1bebae4f09392b66fdd2f984092ad458d08ec4b9d5bb2"`
Dec 06 19:00:27.772 INFO [stdout] c517480c1324361673c1bebae4f09392b66fdd2f984092ad458d08ec4b9d5bb2