Dec 06 20:48:58.634 INFO testing tap-0.3.0 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 20:48:58.634 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 20:48:58.937 INFO [stdout] 3acca4714aa82d3072f32e115dd6d7178634e0c1620f63d4d73d69e37f17a03d
Dec 06 20:48:58.939 INFO running `"docker" "start" "-a" "3acca4714aa82d3072f32e115dd6d7178634e0c1620f63d4d73d69e37f17a03d"`
Dec 06 20:48:59.624 INFO [stderr] usermod: no changes
Dec 06 20:48:59.708 INFO [stderr]    Compiling tap v0.3.0 (/source)
Dec 06 20:48:59.988 INFO [stderr] warning: variable does not need to be mutable
Dec 06 20:48:59.988 INFO [stderr]   --> src/lib.rs:78:21
Dec 06 20:48:59.988 INFO [stderr]    |
Dec 06 20:48:59.988 INFO [stderr] 78 |         if let Some(mut val) = self.as_mut() {
Dec 06 20:48:59.988 INFO [stderr]    |                     ----^^^
Dec 06 20:48:59.988 INFO [stderr]    |                     |
Dec 06 20:48:59.988 INFO [stderr]    |                     help: remove this `mut`
Dec 06 20:48:59.988 INFO [stderr]    |
Dec 06 20:48:59.988 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 20:48:59.988 INFO [stderr] 
Dec 06 20:49:00.008 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
Dec 06 20:49:00.011 INFO [stderr] su: No module specific data is present
Dec 06 20:49:00.346 INFO running `"docker" "inspect" "3acca4714aa82d3072f32e115dd6d7178634e0c1620f63d4d73d69e37f17a03d"`
Dec 06 20:49:00.412 INFO running `"docker" "rm" "-f" "3acca4714aa82d3072f32e115dd6d7178634e0c1620f63d4d73d69e37f17a03d"`
Dec 06 20:49:00.508 INFO [stdout] 3acca4714aa82d3072f32e115dd6d7178634e0c1620f63d4d73d69e37f17a03d
Dec 06 20:49:00.510 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 20:49:00.701 INFO [stdout] 344137a887bdcbe3bada01f03254913e648cd55344b421509abd40b4bbac9f2e
Dec 06 20:49:00.703 INFO running `"docker" "start" "-a" "344137a887bdcbe3bada01f03254913e648cd55344b421509abd40b4bbac9f2e"`
Dec 06 20:49:01.304 INFO [stderr] usermod: no changes
Dec 06 20:49:01.336 INFO [stderr]    Compiling tap v0.3.0 (/source)
Dec 06 20:49:01.668 INFO [stderr] warning: unused `#[macro_use]` import
Dec 06 20:49:01.668 INFO [stderr]   --> src/lib.rs:14:18
Dec 06 20:49:01.668 INFO [stderr]    |
Dec 06 20:49:01.668 INFO [stderr] 14 | #[cfg_attr(test, macro_use)]
Dec 06 20:49:01.668 INFO [stderr]    |                  ^^^^^^^^^
Dec 06 20:49:01.668 INFO [stderr]    |
Dec 06 20:49:01.668 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 06 20:49:01.668 INFO [stderr] 
Dec 06 20:49:01.764 INFO [stderr] warning: variable does not need to be mutable
Dec 06 20:49:01.764 INFO [stderr]   --> src/lib.rs:78:21
Dec 06 20:49:01.764 INFO [stderr]    |
Dec 06 20:49:01.764 INFO [stderr] 78 |         if let Some(mut val) = self.as_mut() {
Dec 06 20:49:01.764 INFO [stderr]    |                     ----^^^
Dec 06 20:49:01.764 INFO [stderr]    |                     |
Dec 06 20:49:01.764 INFO [stderr]    |                     help: remove this `mut`
Dec 06 20:49:01.764 INFO [stderr]    |
Dec 06 20:49:01.764 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 20:49:01.764 INFO [stderr] 
Dec 06 20:49:01.784 INFO [stderr] warning: variable does not need to be mutable
Dec 06 20:49:01.784 INFO [stderr]    --> src/lib.rs:141:33
Dec 06 20:49:01.784 INFO [stderr]     |
Dec 06 20:49:01.784 INFO [stderr] 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Dec 06 20:49:01.784 INFO [stderr]     |                                 ----^^^
Dec 06 20:49:01.784 INFO [stderr]     |                                 |
Dec 06 20:49:01.784 INFO [stderr]     |                                 help: remove this `mut`
Dec 06 20:49:01.784 INFO [stderr] 
Dec 06 20:49:02.255 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Dec 06 20:49:02.259 INFO [stderr] su: No module specific data is present
Dec 06 20:49:02.663 INFO running `"docker" "inspect" "344137a887bdcbe3bada01f03254913e648cd55344b421509abd40b4bbac9f2e"`
Dec 06 20:49:02.827 INFO running `"docker" "rm" "-f" "344137a887bdcbe3bada01f03254913e648cd55344b421509abd40b4bbac9f2e"`
Dec 06 20:49:02.939 INFO [stdout] 344137a887bdcbe3bada01f03254913e648cd55344b421509abd40b4bbac9f2e
Dec 06 20:49:02.942 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 20:49:03.136 INFO [stdout] 3599a020fa574846b656c6875e6b318092e4acd5bca2cfbf893d4a24882c767b
Dec 06 20:49:03.138 INFO running `"docker" "start" "-a" "3599a020fa574846b656c6875e6b318092e4acd5bca2cfbf893d4a24882c767b"`
Dec 06 20:49:03.676 INFO [stderr] usermod: no changes
Dec 06 20:49:03.707 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 06 20:49:03.707 INFO [stderr]      Running /target/debug/deps/tap-944c5777a22d7960
Dec 06 20:49:03.708 INFO [stdout] 
Dec 06 20:49:03.708 INFO [stdout] running 5 tests
Dec 06 20:49:03.709 INFO [stdout] test tests::mutable ... ok
Dec 06 20:49:03.709 INFO [stdout] test tests::result ... ok
Dec 06 20:49:03.709 INFO [stdout] test tests::boolean ... ok
Dec 06 20:49:03.709 INFO [stdout] test tests::option ... ok
Dec 06 20:49:03.709 INFO [stdout] test tests::tap ... ok
Dec 06 20:49:03.709 INFO [stdout] 
Dec 06 20:49:03.709 INFO [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 20:49:03.709 INFO [stdout] 
Dec 06 20:49:03.709 INFO [stderr]      Running /target/debug/deps/lib-dc51d1267a06a23c
Dec 06 20:49:03.711 INFO [stdout] 
Dec 06 20:49:03.711 INFO [stdout] running 2 tests
Dec 06 20:49:03.711 INFO [stdout] test basic ... ok
Dec 06 20:49:03.716 INFO [stdout] test filter_map ... ok
Dec 06 20:49:03.716 INFO [stdout] 
Dec 06 20:49:03.716 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 20:49:03.716 INFO [stdout] 
Dec 06 20:49:03.716 INFO [stderr]    Doc-tests tap
Dec 06 20:49:04.184 INFO [stdout] 
Dec 06 20:49:04.184 INFO [stdout] running 0 tests
Dec 06 20:49:04.184 INFO [stdout] 
Dec 06 20:49:04.184 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 20:49:04.184 INFO [stdout] 
Dec 06 20:49:04.188 INFO [stderr] su: No module specific data is present
Dec 06 20:49:04.760 INFO running `"docker" "inspect" "3599a020fa574846b656c6875e6b318092e4acd5bca2cfbf893d4a24882c767b"`
Dec 06 20:49:04.984 INFO running `"docker" "rm" "-f" "3599a020fa574846b656c6875e6b318092e4acd5bca2cfbf893d4a24882c767b"`
Dec 06 20:49:05.216 INFO [stdout] 3599a020fa574846b656c6875e6b318092e4acd5bca2cfbf893d4a24882c767b