Dec 07 03:37:09.655 INFO testing pubsub-0.2.3 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 03:37:09.655 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 07 03:37:10.134 INFO [stdout] 0e52c78c1612f1bbd450b4a738799ffe7d131ea48663345a0aba1ed2823768f2
Dec 07 03:37:10.136 INFO running `"docker" "start" "-a" "0e52c78c1612f1bbd450b4a738799ffe7d131ea48663345a0aba1ed2823768f2"`
Dec 07 03:37:11.016 INFO [stderr] usermod: no changes
Dec 07 03:37:11.072 INFO [stderr]    Compiling threadpool v0.1.4
Dec 07 03:37:12.204 INFO [stderr]    Compiling pubsub v0.2.3 (/source)
Dec 07 03:37:12.724 INFO [stderr] warning: variable does not need to be mutable
Dec 07 03:37:12.724 INFO [stderr]    --> src/lib.rs:192:10
Dec 07 03:37:12.724 INFO [stderr]     |
Dec 07 03:37:12.724 INFO [stderr] 192 |                     let mut func = guard.deref_mut();
Dec 07 03:37:12.724 INFO [stderr]     |                         ----^^^^
Dec 07 03:37:12.724 INFO [stderr]     |                         |
Dec 07 03:37:12.724 INFO [stderr]     |                         help: remove this `mut`
Dec 07 03:37:12.724 INFO [stderr]     |
Dec 07 03:37:12.724 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 03:37:12.724 INFO [stderr] 
Dec 07 03:37:13.462 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
Dec 07 03:37:13.464 INFO [stderr] su: No module specific data is present
Dec 07 03:37:13.822 INFO running `"docker" "inspect" "0e52c78c1612f1bbd450b4a738799ffe7d131ea48663345a0aba1ed2823768f2"`
Dec 07 03:37:13.885 INFO running `"docker" "rm" "-f" "0e52c78c1612f1bbd450b4a738799ffe7d131ea48663345a0aba1ed2823768f2"`
Dec 07 03:37:13.987 INFO [stdout] 0e52c78c1612f1bbd450b4a738799ffe7d131ea48663345a0aba1ed2823768f2
Dec 07 03:37:13.989 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 07 03:37:14.172 INFO [stdout] e1c108cf9ef8a367c90ae14ffa6f91e4289b6e60d0fe20982c759fb11d49b945
Dec 07 03:37:14.178 INFO running `"docker" "start" "-a" "e1c108cf9ef8a367c90ae14ffa6f91e4289b6e60d0fe20982c759fb11d49b945"`
Dec 07 03:37:14.680 INFO [stderr] usermod: no changes
Dec 07 03:37:14.749 INFO [stderr]    Compiling pubsub v0.2.3 (/source)
Dec 07 03:37:15.524 INFO [stderr] warning: variable does not need to be mutable
Dec 07 03:37:15.524 INFO [stderr]    --> src/lib.rs:192:10
Dec 07 03:37:15.524 INFO [stderr]     |
Dec 07 03:37:15.524 INFO [stderr] 192 |                     let mut func = guard.deref_mut();
Dec 07 03:37:15.524 INFO [stderr]     |                         ----^^^^
Dec 07 03:37:15.524 INFO [stderr]     |                         |
Dec 07 03:37:15.524 INFO [stderr]     |                         help: remove this `mut`
Dec 07 03:37:15.524 INFO [stderr]     |
Dec 07 03:37:15.524 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 03:37:15.524 INFO [stderr] 
Dec 07 03:37:16.746 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
Dec 07 03:37:16.754 INFO [stderr] su: No module specific data is present
Dec 07 03:37:17.009 INFO running `"docker" "inspect" "e1c108cf9ef8a367c90ae14ffa6f91e4289b6e60d0fe20982c759fb11d49b945"`
Dec 07 03:37:17.076 INFO running `"docker" "rm" "-f" "e1c108cf9ef8a367c90ae14ffa6f91e4289b6e60d0fe20982c759fb11d49b945"`
Dec 07 03:37:17.179 INFO [stdout] e1c108cf9ef8a367c90ae14ffa6f91e4289b6e60d0fe20982c759fb11d49b945
Dec 07 03:37:17.184 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 07 03:37:17.367 INFO [stdout] 5e5b05dc5910c6608e1c9430533c40edfe6d1cfddb0d2c8303c098538f5dc4d7
Dec 07 03:37:17.370 INFO running `"docker" "start" "-a" "5e5b05dc5910c6608e1c9430533c40edfe6d1cfddb0d2c8303c098538f5dc4d7"`
Dec 07 03:37:17.857 INFO [stderr] usermod: no changes
Dec 07 03:37:17.880 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 07 03:37:17.881 INFO [stderr]      Running /target/debug/deps/pubsub-167fb08ac402c9f4
Dec 07 03:37:17.882 INFO [stdout] 
Dec 07 03:37:17.882 INFO [stdout] running 3 tests
Dec 07 03:37:18.383 INFO [stdout] test test::notify_exception ... ok
Dec 07 03:37:18.384 INFO [stdout] test test::lazy_subscribe ... ok
Dec 07 03:37:20.384 INFO [stdout] test test::basic_test ... ok
Dec 07 03:37:20.384 INFO [stdout] 
Dec 07 03:37:20.384 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 03:37:20.384 INFO [stdout] 
Dec 07 03:37:20.384 INFO [stderr]    Doc-tests pubsub
Dec 07 03:37:21.048 INFO [stdout] 
Dec 07 03:37:21.048 INFO [stdout] running 0 tests
Dec 07 03:37:21.048 INFO [stdout] 
Dec 07 03:37:21.048 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 03:37:21.048 INFO [stdout] 
Dec 07 03:37:21.048 INFO [stderr] su: No module specific data is present
Dec 07 03:37:21.472 INFO running `"docker" "inspect" "5e5b05dc5910c6608e1c9430533c40edfe6d1cfddb0d2c8303c098538f5dc4d7"`
Dec 07 03:37:21.617 INFO running `"docker" "rm" "-f" "5e5b05dc5910c6608e1c9430533c40edfe6d1cfddb0d2c8303c098538f5dc4d7"`
Dec 07 03:37:21.762 INFO [stdout] 5e5b05dc5910c6608e1c9430533c40edfe6d1cfddb0d2c8303c098538f5dc4d7