Nov 17 19:42:19.036 INFO testing twiggy-traits-0.3.0 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 19:42:19.037 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 19:42:19.597 INFO [stdout] 8e8428f11087030e23a691dca58a79f6db6d9e7397f6f3073dd7d932ff4f0479
Nov 17 19:42:19.599 INFO running `"docker" "start" "-a" "8e8428f11087030e23a691dca58a79f6db6d9e7397f6f3073dd7d932ff4f0479"`
Nov 17 19:42:21.483 INFO [stderr] usermod: no changes
Nov 17 19:42:21.635 INFO [stderr]    Compiling stable_deref_trait v1.1.1
Nov 17 19:42:21.635 INFO [stderr]    Compiling fallible-iterator v0.1.5
Nov 17 19:42:21.635 INFO [stderr]    Compiling frozen v1.0.0
Nov 17 19:42:21.639 INFO [stderr]    Compiling cpp_demangle v0.2.12
Nov 17 19:42:23.356 INFO [stderr]    Compiling gimli v0.16.1
Nov 17 19:42:34.455 INFO [stderr]    Compiling twiggy-ir v0.3.0
Nov 17 19:42:40.467 INFO [stderr]    Compiling twiggy-traits v0.3.0 (/source)
Nov 17 19:42:42.119 INFO [stderr] warning: unused variable: `items`
Nov 17 19:42:42.119 INFO [stderr]    --> traits.rs:197:9
Nov 17 19:42:42.119 INFO [stderr]     |
Nov 17 19:42:42.119 INFO [stderr] 197 |         items: &ir::Items,
Nov 17 19:42:42.119 INFO [stderr]     |         ^^^^^ help: consider using `_items` instead
Nov 17 19:42:42.119 INFO [stderr]     |
Nov 17 19:42:42.119 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 17 19:42:42.119 INFO [stderr] 
Nov 17 19:42:42.119 INFO [stderr] warning: unused variable: `destination`
Nov 17 19:42:42.119 INFO [stderr]    --> traits.rs:198:9
Nov 17 19:42:42.119 INFO [stderr]     |
Nov 17 19:42:42.119 INFO [stderr] 198 |         destination: &mut io::Write,
Nov 17 19:42:42.119 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_destination` instead
Nov 17 19:42:42.119 INFO [stderr] 
Nov 17 19:42:42.416 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.91s
Nov 17 19:42:42.424 INFO [stderr] su: No module specific data is present
Nov 17 19:42:43.907 INFO running `"docker" "inspect" "8e8428f11087030e23a691dca58a79f6db6d9e7397f6f3073dd7d932ff4f0479"`
Nov 17 19:42:44.243 INFO running `"docker" "rm" "-f" "8e8428f11087030e23a691dca58a79f6db6d9e7397f6f3073dd7d932ff4f0479"`
Nov 17 19:42:44.655 INFO [stdout] 8e8428f11087030e23a691dca58a79f6db6d9e7397f6f3073dd7d932ff4f0479
Nov 17 19:42:44.663 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 19:42:45.195 INFO [stdout] bc06775850bac00156efb7337c62f95a0e5a0c0f920abfa27e0ac1b87ea86ef4
Nov 17 19:42:45.202 INFO running `"docker" "start" "-a" "bc06775850bac00156efb7337c62f95a0e5a0c0f920abfa27e0ac1b87ea86ef4"`
Nov 17 19:42:46.474 INFO [stderr] usermod: no changes
Nov 17 19:42:46.659 INFO [stderr]    Compiling twiggy-traits v0.3.0 (/source)
Nov 17 19:42:48.151 INFO [stderr] warning: unused variable: `items`
Nov 17 19:42:48.151 INFO [stderr]    --> traits.rs:197:9
Nov 17 19:42:48.151 INFO [stderr]     |
Nov 17 19:42:48.151 INFO [stderr] 197 |         items: &ir::Items,
Nov 17 19:42:48.151 INFO [stderr]     |         ^^^^^ help: consider using `_items` instead
Nov 17 19:42:48.151 INFO [stderr]     |
Nov 17 19:42:48.151 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 17 19:42:48.151 INFO [stderr] 
Nov 17 19:42:48.151 INFO [stderr] warning: unused variable: `destination`
Nov 17 19:42:48.151 INFO [stderr]    --> traits.rs:198:9
Nov 17 19:42:48.151 INFO [stderr]     |
Nov 17 19:42:48.151 INFO [stderr] 198 |         destination: &mut io::Write,
Nov 17 19:42:48.151 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_destination` instead
Nov 17 19:42:48.151 INFO [stderr] 
Nov 17 19:42:48.830 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
Nov 17 19:42:48.840 INFO [stderr] su: No module specific data is present
Nov 17 19:42:49.951 INFO running `"docker" "inspect" "bc06775850bac00156efb7337c62f95a0e5a0c0f920abfa27e0ac1b87ea86ef4"`
Nov 17 19:42:50.303 INFO running `"docker" "rm" "-f" "bc06775850bac00156efb7337c62f95a0e5a0c0f920abfa27e0ac1b87ea86ef4"`
Nov 17 19:42:50.675 INFO [stdout] bc06775850bac00156efb7337c62f95a0e5a0c0f920abfa27e0ac1b87ea86ef4
Nov 17 19:42:50.682 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 19:42:51.199 INFO [stdout] 9a8f32fea762c63f7839fa6a5dd2939533d917c36f12122465ca93277555f791
Nov 17 19:42:51.202 INFO running `"docker" "start" "-a" "9a8f32fea762c63f7839fa6a5dd2939533d917c36f12122465ca93277555f791"`
Nov 17 19:42:52.787 INFO [stderr] usermod: no changes
Nov 17 19:42:52.947 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
Nov 17 19:42:52.960 INFO [stderr]      Running /target/debug/deps/twiggy_traits-c883364ea6d32281
Nov 17 19:42:52.962 INFO [stdout] 
Nov 17 19:42:52.962 INFO [stdout] running 1 test
Nov 17 19:42:52.962 INFO [stdout] test size_of_error_is_one_word ... ok
Nov 17 19:42:52.963 INFO [stdout] 
Nov 17 19:42:52.963 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 19:42:52.963 INFO [stdout] 
Nov 17 19:42:52.974 INFO [stderr]    Doc-tests twiggy-traits
Nov 17 19:42:54.956 INFO [stdout] 
Nov 17 19:42:54.956 INFO [stdout] running 0 tests
Nov 17 19:42:54.957 INFO [stdout] 
Nov 17 19:42:54.957 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 19:42:54.957 INFO [stdout] 
Nov 17 19:42:54.965 INFO [stderr] su: No module specific data is present
Nov 17 19:42:56.001 INFO running `"docker" "inspect" "9a8f32fea762c63f7839fa6a5dd2939533d917c36f12122465ca93277555f791"`
Nov 17 19:42:56.279 INFO running `"docker" "rm" "-f" "9a8f32fea762c63f7839fa6a5dd2939533d917c36f12122465ca93277555f791"`
Nov 17 19:42:56.603 INFO [stdout] 9a8f32fea762c63f7839fa6a5dd2939533d917c36f12122465ca93277555f791