Dec 15 21:54:09.668 INFO testing avec-0.1.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 21:54:09.668 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 15 21:54:09.863 INFO [stdout] cec8f28c17d6ad047e908dbfb9f6b0042292dce9043de8ad1aeede8756b8ceab
Dec 15 21:54:09.868 INFO running `"docker" "start" "-a" "cec8f28c17d6ad047e908dbfb9f6b0042292dce9043de8ad1aeede8756b8ceab"`
Dec 15 21:54:10.251 INFO [stderr] usermod: no changes
Dec 15 21:54:10.299 INFO [stderr]    Compiling avec v0.1.0 (/source)
Dec 15 21:54:10.939 INFO [stderr] warning: variable does not need to be mutable
Dec 15 21:54:10.939 INFO [stderr]    --> src/avec.rs:209:17
Dec 15 21:54:10.939 INFO [stderr]     |
Dec 15 21:54:10.939 INFO [stderr] 209 |             let mut data = &mut *self.data.get();
Dec 15 21:54:10.939 INFO [stderr]     |                 ----^^^^
Dec 15 21:54:10.939 INFO [stderr]     |                 |
Dec 15 21:54:10.939 INFO [stderr]     |                 help: remove this `mut`
Dec 15 21:54:10.939 INFO [stderr]     |
Dec 15 21:54:10.939 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 21:54:10.939 INFO [stderr] 
Dec 15 21:54:10.939 INFO [stderr] warning: variable does not need to be mutable
Dec 15 21:54:10.939 INFO [stderr]    --> src/avec.rs:244:17
Dec 15 21:54:10.939 INFO [stderr]     |
Dec 15 21:54:10.939 INFO [stderr] 244 |             let mut data = &mut *self.data.get();
Dec 15 21:54:10.939 INFO [stderr]     |                 ----^^^^
Dec 15 21:54:10.939 INFO [stderr]     |                 |
Dec 15 21:54:10.939 INFO [stderr]     |                 help: remove this `mut`
Dec 15 21:54:10.939 INFO [stderr] 
Dec 15 21:54:12.105 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
Dec 15 21:54:12.109 INFO [stderr] su: No module specific data is present
Dec 15 21:54:13.075 INFO running `"docker" "inspect" "cec8f28c17d6ad047e908dbfb9f6b0042292dce9043de8ad1aeede8756b8ceab"`
Dec 15 21:54:13.375 INFO running `"docker" "rm" "-f" "cec8f28c17d6ad047e908dbfb9f6b0042292dce9043de8ad1aeede8756b8ceab"`
Dec 15 21:54:13.695 INFO [stdout] cec8f28c17d6ad047e908dbfb9f6b0042292dce9043de8ad1aeede8756b8ceab
Dec 15 21:54:13.711 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 15 21:54:14.095 INFO [stdout] 209370044f1a58e0e4f96839a66ea67c3ee583286bf8c52deb0477623ac1737b
Dec 15 21:54:14.095 INFO running `"docker" "start" "-a" "209370044f1a58e0e4f96839a66ea67c3ee583286bf8c52deb0477623ac1737b"`
Dec 15 21:54:15.142 INFO [stderr] usermod: no changes
Dec 15 21:54:15.201 INFO [stderr]    Compiling avec v0.1.0 (/source)
Dec 15 21:54:16.119 INFO [stderr] warning: variable does not need to be mutable
Dec 15 21:54:16.119 INFO [stderr]    --> src/avec.rs:209:17
Dec 15 21:54:16.119 INFO [stderr]     |
Dec 15 21:54:16.119 INFO [stderr] 209 |             let mut data = &mut *self.data.get();
Dec 15 21:54:16.119 INFO [stderr]     |                 ----^^^^
Dec 15 21:54:16.119 INFO [stderr]     |                 |
Dec 15 21:54:16.119 INFO [stderr]     |                 help: remove this `mut`
Dec 15 21:54:16.119 INFO [stderr]     |
Dec 15 21:54:16.119 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 21:54:16.119 INFO [stderr] 
Dec 15 21:54:16.119 INFO [stderr] warning: variable does not need to be mutable
Dec 15 21:54:16.119 INFO [stderr]    --> src/avec.rs:244:17
Dec 15 21:54:16.119 INFO [stderr]     |
Dec 15 21:54:16.119 INFO [stderr] 244 |             let mut data = &mut *self.data.get();
Dec 15 21:54:16.119 INFO [stderr]     |                 ----^^^^
Dec 15 21:54:16.119 INFO [stderr]     |                 |
Dec 15 21:54:16.119 INFO [stderr]     |                 help: remove this `mut`
Dec 15 21:54:16.119 INFO [stderr] 
Dec 15 21:54:16.728 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
Dec 15 21:54:16.731 INFO [stderr] su: No module specific data is present
Dec 15 21:54:17.619 INFO running `"docker" "inspect" "209370044f1a58e0e4f96839a66ea67c3ee583286bf8c52deb0477623ac1737b"`
Dec 15 21:54:17.973 INFO running `"docker" "rm" "-f" "209370044f1a58e0e4f96839a66ea67c3ee583286bf8c52deb0477623ac1737b"`
Dec 15 21:54:18.291 INFO [stdout] 209370044f1a58e0e4f96839a66ea67c3ee583286bf8c52deb0477623ac1737b
Dec 15 21:54:18.297 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 15 21:54:18.819 INFO [stdout] f0aecfd63a3a9dcbd9bc3f0f13b76e2d1f70f6e522ae953c82fa0d58b3ed104c
Dec 15 21:54:18.821 INFO running `"docker" "start" "-a" "f0aecfd63a3a9dcbd9bc3f0f13b76e2d1f70f6e522ae953c82fa0d58b3ed104c"`
Dec 15 21:54:20.003 INFO [stderr] usermod: no changes
Dec 15 21:54:20.055 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 15 21:54:20.057 INFO [stderr]      Running /target/debug/deps/avec-803eb92e9c872ff4
Dec 15 21:54:20.057 INFO [stdout] 
Dec 15 21:54:20.057 INFO [stdout] running 1 test
Dec 15 21:54:20.059 INFO [stdout] test tests::it_works ... ok
Dec 15 21:54:20.059 INFO [stdout] 
Dec 15 21:54:20.059 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 21:54:20.059 INFO [stdout] 
Dec 15 21:54:20.059 INFO [stdout] 
Dec 15 21:54:20.059 INFO [stdout] running 0 tests
Dec 15 21:54:20.059 INFO [stdout] 
Dec 15 21:54:20.060 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 21:54:20.060 INFO [stdout] 
Dec 15 21:54:20.060 INFO [stderr]      Running /target/debug/deps/demo-2a6d9f0f5fb98779
Dec 15 21:54:20.060 INFO [stderr]    Doc-tests avec
Dec 15 21:54:21.321 INFO [stdout] 
Dec 15 21:54:21.321 INFO [stdout] running 0 tests
Dec 15 21:54:21.321 INFO [stdout] 
Dec 15 21:54:21.321 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 21:54:21.321 INFO [stdout] 
Dec 15 21:54:21.331 INFO [stderr] su: No module specific data is present
Dec 15 21:54:22.175 INFO running `"docker" "inspect" "f0aecfd63a3a9dcbd9bc3f0f13b76e2d1f70f6e522ae953c82fa0d58b3ed104c"`
Dec 15 21:54:22.448 INFO running `"docker" "rm" "-f" "f0aecfd63a3a9dcbd9bc3f0f13b76e2d1f70f6e522ae953c82fa0d58b3ed104c"`
Dec 15 21:54:22.735 INFO [stdout] f0aecfd63a3a9dcbd9bc3f0f13b76e2d1f70f6e522ae953c82fa0d58b3ed104c