Dec 14 17:39:07.612 INFO testing tap-0.3.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 17:39:07.612 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 17:39:07.805 INFO [stdout] 6aac61524d6dc02c269a628449f821629addc2beeeb3845566b2e28b75d7ebfc
Dec 14 17:39:07.809 INFO running `"docker" "start" "-a" "6aac61524d6dc02c269a628449f821629addc2beeeb3845566b2e28b75d7ebfc"`
Dec 14 17:39:08.270 INFO [stderr] usermod: no changes
Dec 14 17:39:08.306 INFO [stderr]    Compiling tap v0.3.0 (/source)
Dec 14 17:39:08.715 INFO [stderr] warning: variable does not need to be mutable
Dec 14 17:39:08.715 INFO [stderr]   --> src/lib.rs:78:21
Dec 14 17:39:08.715 INFO [stderr]    |
Dec 14 17:39:08.715 INFO [stderr] 78 |         if let Some(mut val) = self.as_mut() {
Dec 14 17:39:08.715 INFO [stderr]    |                     ----^^^
Dec 14 17:39:08.715 INFO [stderr]    |                     |
Dec 14 17:39:08.715 INFO [stderr]    |                     help: remove this `mut`
Dec 14 17:39:08.715 INFO [stderr]    |
Dec 14 17:39:08.715 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 17:39:08.715 INFO [stderr] 
Dec 14 17:39:08.734 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
Dec 14 17:39:08.737 INFO [stderr] su: No module specific data is present
Dec 14 17:39:09.388 INFO running `"docker" "inspect" "6aac61524d6dc02c269a628449f821629addc2beeeb3845566b2e28b75d7ebfc"`
Dec 14 17:39:09.548 INFO running `"docker" "rm" "-f" "6aac61524d6dc02c269a628449f821629addc2beeeb3845566b2e28b75d7ebfc"`
Dec 14 17:39:09.751 INFO [stdout] 6aac61524d6dc02c269a628449f821629addc2beeeb3845566b2e28b75d7ebfc
Dec 14 17:39:09.754 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 17:39:10.058 INFO [stdout] 8d4c9c46589f0d1f140d6f258dda4a065ec5d59ce9e0654e54844512e54cdc34
Dec 14 17:39:10.061 INFO running `"docker" "start" "-a" "8d4c9c46589f0d1f140d6f258dda4a065ec5d59ce9e0654e54844512e54cdc34"`
Dec 14 17:39:10.615 INFO [stderr] usermod: no changes
Dec 14 17:39:10.655 INFO [stderr]    Compiling tap v0.3.0 (/source)
Dec 14 17:39:11.167 INFO [stderr] warning: unused `#[macro_use]` import
Dec 14 17:39:11.167 INFO [stderr]   --> src/lib.rs:14:18
Dec 14 17:39:11.167 INFO [stderr]    |
Dec 14 17:39:11.167 INFO [stderr] 14 | #[cfg_attr(test, macro_use)]
Dec 14 17:39:11.167 INFO [stderr]    |                  ^^^^^^^^^
Dec 14 17:39:11.167 INFO [stderr]    |
Dec 14 17:39:11.167 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 14 17:39:11.167 INFO [stderr] 
Dec 14 17:39:11.273 INFO [stderr] warning: variable does not need to be mutable
Dec 14 17:39:11.273 INFO [stderr]   --> src/lib.rs:78:21
Dec 14 17:39:11.273 INFO [stderr]    |
Dec 14 17:39:11.273 INFO [stderr] 78 |         if let Some(mut val) = self.as_mut() {
Dec 14 17:39:11.273 INFO [stderr]    |                     ----^^^
Dec 14 17:39:11.273 INFO [stderr]    |                     |
Dec 14 17:39:11.273 INFO [stderr]    |                     help: remove this `mut`
Dec 14 17:39:11.273 INFO [stderr]    |
Dec 14 17:39:11.273 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 17:39:11.273 INFO [stderr] 
Dec 14 17:39:11.292 INFO [stderr] warning: variable does not need to be mutable
Dec 14 17:39:11.292 INFO [stderr]    --> src/lib.rs:141:33
Dec 14 17:39:11.292 INFO [stderr]     |
Dec 14 17:39:11.292 INFO [stderr] 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Dec 14 17:39:11.292 INFO [stderr]     |                                 ----^^^
Dec 14 17:39:11.292 INFO [stderr]     |                                 |
Dec 14 17:39:11.292 INFO [stderr]     |                                 help: remove this `mut`
Dec 14 17:39:11.292 INFO [stderr] 
Dec 14 17:39:11.721 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
Dec 14 17:39:11.725 INFO [stderr] su: No module specific data is present
Dec 14 17:39:12.144 INFO running `"docker" "inspect" "8d4c9c46589f0d1f140d6f258dda4a065ec5d59ce9e0654e54844512e54cdc34"`
Dec 14 17:39:12.272 INFO running `"docker" "rm" "-f" "8d4c9c46589f0d1f140d6f258dda4a065ec5d59ce9e0654e54844512e54cdc34"`
Dec 14 17:39:12.482 INFO [stdout] 8d4c9c46589f0d1f140d6f258dda4a065ec5d59ce9e0654e54844512e54cdc34
Dec 14 17:39:12.485 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 17:39:12.687 INFO [stdout] bf6a9bcc3e4bca8ccf455cf6cebc8c3bfc6e353ffbbc9f6dc5657900204597bf
Dec 14 17:39:12.692 INFO running `"docker" "start" "-a" "bf6a9bcc3e4bca8ccf455cf6cebc8c3bfc6e353ffbbc9f6dc5657900204597bf"`
Dec 14 17:39:13.149 INFO [stderr] usermod: no changes
Dec 14 17:39:13.184 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 17:39:13.188 INFO [stderr]      Running /target/debug/deps/tap-dbe3a9a304970722
Dec 14 17:39:13.198 INFO [stdout] 
Dec 14 17:39:13.198 INFO [stdout] running 5 tests
Dec 14 17:39:13.198 INFO [stdout] test tests::boolean ... ok
Dec 14 17:39:13.198 INFO [stdout] test tests::option ... ok
Dec 14 17:39:13.199 INFO [stdout] test tests::tap ... ok
Dec 14 17:39:13.203 INFO [stdout] test tests::result ... ok
Dec 14 17:39:13.203 INFO [stdout] test tests::mutable ... ok
Dec 14 17:39:13.203 INFO [stdout] 
Dec 14 17:39:13.203 INFO [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 17:39:13.203 INFO [stdout] 
Dec 14 17:39:13.203 INFO [stderr]      Running /target/debug/deps/lib-86b32ea85d2ed281
Dec 14 17:39:13.208 INFO [stdout] 
Dec 14 17:39:13.208 INFO [stdout] running 2 tests
Dec 14 17:39:13.210 INFO [stdout] test filter_map ... ok
Dec 14 17:39:13.210 INFO [stdout] test basic ... ok
Dec 14 17:39:13.210 INFO [stdout] 
Dec 14 17:39:13.210 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 17:39:13.210 INFO [stdout] 
Dec 14 17:39:13.211 INFO [stderr]    Doc-tests tap
Dec 14 17:39:14.043 INFO [stdout] 
Dec 14 17:39:14.043 INFO [stdout] running 0 tests
Dec 14 17:39:14.043 INFO [stdout] 
Dec 14 17:39:14.043 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 17:39:14.043 INFO [stdout] 
Dec 14 17:39:14.047 INFO [stderr] su: No module specific data is present
Dec 14 17:39:14.704 INFO running `"docker" "inspect" "bf6a9bcc3e4bca8ccf455cf6cebc8c3bfc6e353ffbbc9f6dc5657900204597bf"`
Dec 14 17:39:15.045 INFO running `"docker" "rm" "-f" "bf6a9bcc3e4bca8ccf455cf6cebc8c3bfc6e353ffbbc9f6dc5657900204597bf"`
Dec 14 17:39:15.279 INFO [stdout] bf6a9bcc3e4bca8ccf455cf6cebc8c3bfc6e353ffbbc9f6dc5657900204597bf