Dec 14 15:41:38.217 INFO testing twiggy-traits-0.3.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 15:41:38.217 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 15:41:38.715 INFO [stdout] 552e2a42d505b2c83ece6e1aa37ece0600845a91c6fc8f958cf14f4c7e1d3e9a
Dec 14 15:41:38.721 INFO running `"docker" "start" "-a" "552e2a42d505b2c83ece6e1aa37ece0600845a91c6fc8f958cf14f4c7e1d3e9a"`
Dec 14 15:41:40.157 INFO [stderr] usermod: no changes
Dec 14 15:41:40.399 INFO [stderr]    Compiling fallible-iterator v0.1.6
Dec 14 15:41:40.399 INFO [stderr]    Compiling frozen v1.0.0
Dec 14 15:41:40.402 INFO [stderr]    Compiling cpp_demangle v0.2.12
Dec 14 15:41:40.402 INFO [stderr]    Compiling parity-wasm v0.32.0
Dec 14 15:41:43.961 INFO [stderr]    Compiling gimli v0.16.1
Dec 14 15:42:01.051 INFO [stderr]    Compiling twiggy-ir v0.3.0
Dec 14 15:42:06.635 INFO [stderr]    Compiling twiggy-traits v0.3.0 (/source)
Dec 14 15:42:09.203 INFO [stderr] warning: unused variable: `items`
Dec 14 15:42:09.203 INFO [stderr]    --> traits.rs:197:9
Dec 14 15:42:09.203 INFO [stderr]     |
Dec 14 15:42:09.203 INFO [stderr] 197 |         items: &ir::Items,
Dec 14 15:42:09.203 INFO [stderr]     |         ^^^^^ help: consider using `_items` instead
Dec 14 15:42:09.203 INFO [stderr]     |
Dec 14 15:42:09.203 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 15:42:09.203 INFO [stderr] 
Dec 14 15:42:09.203 INFO [stderr] warning: unused variable: `destination`
Dec 14 15:42:09.203 INFO [stderr]    --> traits.rs:198:9
Dec 14 15:42:09.203 INFO [stderr]     |
Dec 14 15:42:09.203 INFO [stderr] 198 |         destination: &mut io::Write,
Dec 14 15:42:09.203 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_destination` instead
Dec 14 15:42:09.203 INFO [stderr] 
Dec 14 15:42:09.543 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.36s
Dec 14 15:42:09.551 INFO [stderr] su: No module specific data is present
Dec 14 15:42:10.772 INFO running `"docker" "inspect" "552e2a42d505b2c83ece6e1aa37ece0600845a91c6fc8f958cf14f4c7e1d3e9a"`
Dec 14 15:42:11.111 INFO running `"docker" "rm" "-f" "552e2a42d505b2c83ece6e1aa37ece0600845a91c6fc8f958cf14f4c7e1d3e9a"`
Dec 14 15:42:11.432 INFO [stdout] 552e2a42d505b2c83ece6e1aa37ece0600845a91c6fc8f958cf14f4c7e1d3e9a
Dec 14 15:42:11.439 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 15:42:12.002 INFO [stdout] d56054ac48c10d4cc691364cb9f6d30aaa46ff520450a8bf3fa8ea1b20d7fd05
Dec 14 15:42:12.004 INFO running `"docker" "start" "-a" "d56054ac48c10d4cc691364cb9f6d30aaa46ff520450a8bf3fa8ea1b20d7fd05"`
Dec 14 15:42:13.801 INFO [stderr] usermod: no changes
Dec 14 15:42:14.040 INFO [stderr]    Compiling twiggy-traits v0.3.0 (/source)
Dec 14 15:42:16.256 INFO [stderr] warning: unused variable: `items`
Dec 14 15:42:16.257 INFO [stderr]    --> traits.rs:197:9
Dec 14 15:42:16.257 INFO [stderr]     |
Dec 14 15:42:16.257 INFO [stderr] 197 |         items: &ir::Items,
Dec 14 15:42:16.257 INFO [stderr]     |         ^^^^^ help: consider using `_items` instead
Dec 14 15:42:16.257 INFO [stderr]     |
Dec 14 15:42:16.257 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 15:42:16.257 INFO [stderr] 
Dec 14 15:42:16.257 INFO [stderr] warning: unused variable: `destination`
Dec 14 15:42:16.257 INFO [stderr]    --> traits.rs:198:9
Dec 14 15:42:16.257 INFO [stderr]     |
Dec 14 15:42:16.257 INFO [stderr] 198 |         destination: &mut io::Write,
Dec 14 15:42:16.257 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_destination` instead
Dec 14 15:42:16.257 INFO [stderr] 
Dec 14 15:42:16.841 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.02s
Dec 14 15:42:16.855 INFO [stderr] su: No module specific data is present
Dec 14 15:42:18.173 INFO running `"docker" "inspect" "d56054ac48c10d4cc691364cb9f6d30aaa46ff520450a8bf3fa8ea1b20d7fd05"`
Dec 14 15:42:18.503 INFO running `"docker" "rm" "-f" "d56054ac48c10d4cc691364cb9f6d30aaa46ff520450a8bf3fa8ea1b20d7fd05"`
Dec 14 15:42:18.823 INFO [stdout] d56054ac48c10d4cc691364cb9f6d30aaa46ff520450a8bf3fa8ea1b20d7fd05
Dec 14 15:42:18.831 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 15:42:19.288 INFO [stdout] d4dd597cb99633aae6644087eb9dcba824cceea58a8cf59fb2ae2dc4af3dffcb
Dec 14 15:42:19.290 INFO running `"docker" "start" "-a" "d4dd597cb99633aae6644087eb9dcba824cceea58a8cf59fb2ae2dc4af3dffcb"`
Dec 14 15:42:21.311 INFO [stderr] usermod: no changes
Dec 14 15:42:21.459 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
Dec 14 15:42:21.467 INFO [stderr]      Running /target/debug/deps/twiggy_traits-f1da61180370ed6a
Dec 14 15:42:21.467 INFO [stdout] 
Dec 14 15:42:21.467 INFO [stdout] running 1 test
Dec 14 15:42:21.467 INFO [stdout] test size_of_error_is_one_word ... ok
Dec 14 15:42:21.467 INFO [stdout] 
Dec 14 15:42:21.467 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 15:42:21.467 INFO [stdout] 
Dec 14 15:42:21.485 INFO [stderr]    Doc-tests twiggy-traits
Dec 14 15:42:25.108 INFO [stdout] 
Dec 14 15:42:25.108 INFO [stdout] running 0 tests
Dec 14 15:42:25.108 INFO [stdout] 
Dec 14 15:42:25.108 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 15:42:25.108 INFO [stdout] 
Dec 14 15:42:25.118 INFO [stderr] su: No module specific data is present
Dec 14 15:42:25.950 INFO running `"docker" "inspect" "d4dd597cb99633aae6644087eb9dcba824cceea58a8cf59fb2ae2dc4af3dffcb"`
Dec 14 15:42:26.215 INFO running `"docker" "rm" "-f" "d4dd597cb99633aae6644087eb9dcba824cceea58a8cf59fb2ae2dc4af3dffcb"`
Dec 14 15:42:26.497 INFO [stdout] d4dd597cb99633aae6644087eb9dcba824cceea58a8cf59fb2ae2dc4af3dffcb