Dec 14 17:39:05.876 INFO testing tap-0.3.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 17:39:05.876 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 17:39:06.232 INFO [stdout] 215c90f36657e16b407275d936ddaac532999113572c713c0d2123be702453a9
Dec 14 17:39:06.234 INFO running `"docker" "start" "-a" "215c90f36657e16b407275d936ddaac532999113572c713c0d2123be702453a9"`
Dec 14 17:39:07.119 INFO [stderr] usermod: no changes
Dec 14 17:39:07.142 INFO [stderr]    Compiling tap v0.3.0 (/source)
Dec 14 17:39:07.498 INFO [stderr] warning: variable does not need to be mutable
Dec 14 17:39:07.498 INFO [stderr]   --> src/lib.rs:78:21
Dec 14 17:39:07.498 INFO [stderr]    |
Dec 14 17:39:07.498 INFO [stderr] 78 |         if let Some(mut val) = self.as_mut() {
Dec 14 17:39:07.498 INFO [stderr]    |                     ----^^^
Dec 14 17:39:07.498 INFO [stderr]    |                     |
Dec 14 17:39:07.498 INFO [stderr]    |                     help: remove this `mut`
Dec 14 17:39:07.498 INFO [stderr]    |
Dec 14 17:39:07.498 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 17:39:07.498 INFO [stderr] 
Dec 14 17:39:07.524 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
Dec 14 17:39:07.532 INFO [stderr] su: No module specific data is present
Dec 14 17:39:07.867 INFO running `"docker" "inspect" "215c90f36657e16b407275d936ddaac532999113572c713c0d2123be702453a9"`
Dec 14 17:39:07.952 INFO running `"docker" "rm" "-f" "215c90f36657e16b407275d936ddaac532999113572c713c0d2123be702453a9"`
Dec 14 17:39:08.064 INFO [stdout] 215c90f36657e16b407275d936ddaac532999113572c713c0d2123be702453a9
Dec 14 17:39:08.066 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 17:39:08.236 INFO [stdout] 3ea55d4dd9a4b67081ca7f2066ca8b3cce331d26af005632247161730dd6008e
Dec 14 17:39:08.238 INFO running `"docker" "start" "-a" "3ea55d4dd9a4b67081ca7f2066ca8b3cce331d26af005632247161730dd6008e"`
Dec 14 17:39:08.714 INFO [stderr] usermod: no changes
Dec 14 17:39:08.759 INFO [stderr]    Compiling tap v0.3.0 (/source)
Dec 14 17:39:09.527 INFO [stderr] warning: unused `#[macro_use]` import
Dec 14 17:39:09.527 INFO [stderr]   --> src/lib.rs:14:18
Dec 14 17:39:09.527 INFO [stderr]    |
Dec 14 17:39:09.527 INFO [stderr] 14 | #[cfg_attr(test, macro_use)]
Dec 14 17:39:09.527 INFO [stderr]    |                  ^^^^^^^^^
Dec 14 17:39:09.527 INFO [stderr]    |
Dec 14 17:39:09.527 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 14 17:39:09.527 INFO [stderr] 
Dec 14 17:39:09.619 INFO [stderr] warning: variable does not need to be mutable
Dec 14 17:39:09.619 INFO [stderr]   --> src/lib.rs:78:21
Dec 14 17:39:09.619 INFO [stderr]    |
Dec 14 17:39:09.619 INFO [stderr] 78 |         if let Some(mut val) = self.as_mut() {
Dec 14 17:39:09.619 INFO [stderr]    |                     ----^^^
Dec 14 17:39:09.619 INFO [stderr]    |                     |
Dec 14 17:39:09.619 INFO [stderr]    |                     help: remove this `mut`
Dec 14 17:39:09.619 INFO [stderr]    |
Dec 14 17:39:09.619 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 17:39:09.619 INFO [stderr] 
Dec 14 17:39:09.634 INFO [stderr] warning: variable does not need to be mutable
Dec 14 17:39:09.635 INFO [stderr]    --> src/lib.rs:141:33
Dec 14 17:39:09.635 INFO [stderr]     |
Dec 14 17:39:09.635 INFO [stderr] 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Dec 14 17:39:09.635 INFO [stderr]     |                                 ----^^^
Dec 14 17:39:09.635 INFO [stderr]     |                                 |
Dec 14 17:39:09.635 INFO [stderr]     |                                 help: remove this `mut`
Dec 14 17:39:09.635 INFO [stderr] 
Dec 14 17:39:10.093 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
Dec 14 17:39:10.097 INFO [stderr] su: No module specific data is present
Dec 14 17:39:10.368 INFO running `"docker" "inspect" "3ea55d4dd9a4b67081ca7f2066ca8b3cce331d26af005632247161730dd6008e"`
Dec 14 17:39:10.495 INFO running `"docker" "rm" "-f" "3ea55d4dd9a4b67081ca7f2066ca8b3cce331d26af005632247161730dd6008e"`
Dec 14 17:39:10.606 INFO [stdout] 3ea55d4dd9a4b67081ca7f2066ca8b3cce331d26af005632247161730dd6008e
Dec 14 17:39:10.609 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 17:39:10.862 INFO [stdout] 5bc5848db2a3da75a77b5d41033d7db7b343c02135dcf4842e41f20068957461
Dec 14 17:39:10.869 INFO running `"docker" "start" "-a" "5bc5848db2a3da75a77b5d41033d7db7b343c02135dcf4842e41f20068957461"`
Dec 14 17:39:11.313 INFO [stderr] usermod: no changes
Dec 14 17:39:11.355 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 14 17:39:11.355 INFO [stderr]      Running /target/debug/deps/tap-468fab3cebd05928
Dec 14 17:39:11.367 INFO [stdout] 
Dec 14 17:39:11.367 INFO [stdout] running 5 tests
Dec 14 17:39:11.367 INFO [stdout] test tests::boolean ... ok
Dec 14 17:39:11.367 INFO [stdout] test tests::mutable ... ok
Dec 14 17:39:11.367 INFO [stdout] test tests::option ... ok
Dec 14 17:39:11.367 INFO [stdout] test tests::result ... ok
Dec 14 17:39:11.385 INFO [stdout] test tests::tap ... ok
Dec 14 17:39:11.385 INFO [stderr]      Running /target/debug/deps/lib-21b3402e1d42d291
Dec 14 17:39:11.385 INFO [stdout] 
Dec 14 17:39:11.385 INFO [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 17:39:11.385 INFO [stdout] 
Dec 14 17:39:11.385 INFO [stdout] 
Dec 14 17:39:11.385 INFO [stdout] running 2 tests
Dec 14 17:39:11.385 INFO [stdout] test filter_map ... ok
Dec 14 17:39:11.385 INFO [stdout] test basic ... ok
Dec 14 17:39:11.385 INFO [stdout] 
Dec 14 17:39:11.385 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 17:39:11.385 INFO [stdout] 
Dec 14 17:39:11.391 INFO [stderr]    Doc-tests tap
Dec 14 17:39:12.134 INFO [stdout] 
Dec 14 17:39:12.135 INFO [stdout] running 0 tests
Dec 14 17:39:12.135 INFO [stdout] 
Dec 14 17:39:12.135 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 17:39:12.135 INFO [stdout] 
Dec 14 17:39:12.143 INFO [stderr] su: No module specific data is present
Dec 14 17:39:12.451 INFO running `"docker" "inspect" "5bc5848db2a3da75a77b5d41033d7db7b343c02135dcf4842e41f20068957461"`
Dec 14 17:39:12.568 INFO running `"docker" "rm" "-f" "5bc5848db2a3da75a77b5d41033d7db7b343c02135dcf4842e41f20068957461"`
Dec 14 17:39:12.718 INFO [stdout] 5bc5848db2a3da75a77b5d41033d7db7b343c02135dcf4842e41f20068957461