Dec 06 20:49:01.072 INFO testing tap-0.3.0 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 20:49:01.072 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 20:49:01.318 INFO [stdout] 0bc54461f6dc9470b1b73a343fd8eabe64b4ce7f41e2a068cafd523efa0d118d
Dec 06 20:49:01.320 INFO running `"docker" "start" "-a" "0bc54461f6dc9470b1b73a343fd8eabe64b4ce7f41e2a068cafd523efa0d118d"`
Dec 06 20:49:02.259 INFO [stderr] usermod: no changes
Dec 06 20:49:02.322 INFO [stderr]    Compiling tap v0.3.0 (/source)
Dec 06 20:49:02.724 INFO [stderr] warning: variable does not need to be mutable
Dec 06 20:49:02.724 INFO [stderr]   --> src/lib.rs:78:21
Dec 06 20:49:02.724 INFO [stderr]    |
Dec 06 20:49:02.724 INFO [stderr] 78 |         if let Some(mut val) = self.as_mut() {
Dec 06 20:49:02.724 INFO [stderr]    |                     ----^^^
Dec 06 20:49:02.724 INFO [stderr]    |                     |
Dec 06 20:49:02.724 INFO [stderr]    |                     help: remove this `mut`
Dec 06 20:49:02.724 INFO [stderr]    |
Dec 06 20:49:02.724 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 20:49:02.724 INFO [stderr] 
Dec 06 20:49:02.748 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
Dec 06 20:49:02.752 INFO [stderr] su: No module specific data is present
Dec 06 20:49:03.067 INFO running `"docker" "inspect" "0bc54461f6dc9470b1b73a343fd8eabe64b4ce7f41e2a068cafd523efa0d118d"`
Dec 06 20:49:03.151 INFO running `"docker" "rm" "-f" "0bc54461f6dc9470b1b73a343fd8eabe64b4ce7f41e2a068cafd523efa0d118d"`
Dec 06 20:49:03.274 INFO [stdout] 0bc54461f6dc9470b1b73a343fd8eabe64b4ce7f41e2a068cafd523efa0d118d
Dec 06 20:49:03.275 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 20:49:03.414 INFO [stdout] 87065a3824520ed092e9f012b957432e074387f90b9eac432a450c3a9d3b26c8
Dec 06 20:49:03.417 INFO running `"docker" "start" "-a" "87065a3824520ed092e9f012b957432e074387f90b9eac432a450c3a9d3b26c8"`
Dec 06 20:49:03.850 INFO [stderr] usermod: no changes
Dec 06 20:49:03.927 INFO [stderr]    Compiling tap v0.3.0 (/source)
Dec 06 20:49:04.555 INFO [stderr] warning: unused `#[macro_use]` import
Dec 06 20:49:04.555 INFO [stderr]   --> src/lib.rs:14:18
Dec 06 20:49:04.555 INFO [stderr]    |
Dec 06 20:49:04.555 INFO [stderr] 14 | #[cfg_attr(test, macro_use)]
Dec 06 20:49:04.555 INFO [stderr]    |                  ^^^^^^^^^
Dec 06 20:49:04.555 INFO [stderr]    |
Dec 06 20:49:04.555 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 06 20:49:04.555 INFO [stderr] 
Dec 06 20:49:04.656 INFO [stderr] warning: variable does not need to be mutable
Dec 06 20:49:04.656 INFO [stderr]   --> src/lib.rs:78:21
Dec 06 20:49:04.656 INFO [stderr]    |
Dec 06 20:49:04.656 INFO [stderr] 78 |         if let Some(mut val) = self.as_mut() {
Dec 06 20:49:04.656 INFO [stderr]    |                     ----^^^
Dec 06 20:49:04.656 INFO [stderr]    |                     |
Dec 06 20:49:04.656 INFO [stderr]    |                     help: remove this `mut`
Dec 06 20:49:04.656 INFO [stderr]    |
Dec 06 20:49:04.656 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 20:49:04.656 INFO [stderr] 
Dec 06 20:49:04.670 INFO [stderr] warning: variable does not need to be mutable
Dec 06 20:49:04.670 INFO [stderr]    --> src/lib.rs:141:33
Dec 06 20:49:04.670 INFO [stderr]     |
Dec 06 20:49:04.670 INFO [stderr] 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Dec 06 20:49:04.670 INFO [stderr]     |                                 ----^^^
Dec 06 20:49:04.670 INFO [stderr]     |                                 |
Dec 06 20:49:04.670 INFO [stderr]     |                                 help: remove this `mut`
Dec 06 20:49:04.670 INFO [stderr] 
Dec 06 20:49:05.255 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
Dec 06 20:49:05.258 INFO [stderr] su: No module specific data is present
Dec 06 20:49:05.647 INFO running `"docker" "inspect" "87065a3824520ed092e9f012b957432e074387f90b9eac432a450c3a9d3b26c8"`
Dec 06 20:49:05.770 INFO running `"docker" "rm" "-f" "87065a3824520ed092e9f012b957432e074387f90b9eac432a450c3a9d3b26c8"`
Dec 06 20:49:05.932 INFO [stdout] 87065a3824520ed092e9f012b957432e074387f90b9eac432a450c3a9d3b26c8
Dec 06 20:49:05.940 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 20:49:06.230 INFO [stdout] 8d99ad788a36ebdce9ff6248cbd51a16272abe47f9249f1ffbcc676e16c1f5a2
Dec 06 20:49:06.233 INFO running `"docker" "start" "-a" "8d99ad788a36ebdce9ff6248cbd51a16272abe47f9249f1ffbcc676e16c1f5a2"`
Dec 06 20:49:07.125 INFO [stderr] usermod: no changes
Dec 06 20:49:07.196 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 06 20:49:07.201 INFO [stderr]      Running /target/debug/deps/tap-004da8114fbe42dd
Dec 06 20:49:07.204 INFO [stdout] 
Dec 06 20:49:07.204 INFO [stdout] running 5 tests
Dec 06 20:49:07.204 INFO [stdout] test tests::option ... ok
Dec 06 20:49:07.204 INFO [stdout] test tests::mutable ... ok
Dec 06 20:49:07.204 INFO [stdout] test tests::boolean ... ok
Dec 06 20:49:07.204 INFO [stdout] test tests::tap ... ok
Dec 06 20:49:07.213 INFO [stdout] test tests::result ... ok
Dec 06 20:49:07.213 INFO [stdout] 
Dec 06 20:49:07.213 INFO [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 20:49:07.213 INFO [stdout] 
Dec 06 20:49:07.216 INFO [stderr]      Running /target/debug/deps/lib-cc6db230251771d9
Dec 06 20:49:07.220 INFO [stdout] 
Dec 06 20:49:07.220 INFO [stdout] running 2 tests
Dec 06 20:49:07.220 INFO [stdout] test filter_map ... ok
Dec 06 20:49:07.220 INFO [stdout] test basic ... ok
Dec 06 20:49:07.220 INFO [stdout] 
Dec 06 20:49:07.220 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 20:49:07.220 INFO [stdout] 
Dec 06 20:49:07.224 INFO [stderr]    Doc-tests tap
Dec 06 20:49:07.987 INFO [stdout] 
Dec 06 20:49:07.987 INFO [stdout] running 0 tests
Dec 06 20:49:07.987 INFO [stdout] 
Dec 06 20:49:07.987 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 20:49:07.987 INFO [stdout] 
Dec 06 20:49:07.994 INFO [stderr] su: No module specific data is present
Dec 06 20:49:08.761 INFO running `"docker" "inspect" "8d99ad788a36ebdce9ff6248cbd51a16272abe47f9249f1ffbcc676e16c1f5a2"`
Dec 06 20:49:09.019 INFO running `"docker" "rm" "-f" "8d99ad788a36ebdce9ff6248cbd51a16272abe47f9249f1ffbcc676e16c1f5a2"`
Dec 06 20:49:09.312 INFO [stdout] 8d99ad788a36ebdce9ff6248cbd51a16272abe47f9249f1ffbcc676e16c1f5a2