Nov 16 20:27:23.310 INFO testing mardiros/janeiro against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 20:27:23.310 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 20:27:23.851 INFO [stdout] 8040eac5732da19902725aef0993b26c18ceb0fbf1347a826e65710e4d412785
Nov 16 20:27:23.853 INFO running `"docker" "start" "-a" "8040eac5732da19902725aef0993b26c18ceb0fbf1347a826e65710e4d412785"`
Nov 16 20:27:25.614 INFO [stderr] usermod: no changes
Nov 16 20:27:25.765 INFO [stderr]    Compiling memchr v0.1.11
Nov 16 20:27:25.775 INFO [stderr]    Compiling thread-id v2.0.0
Nov 16 20:27:25.776 INFO [stderr]    Compiling nix v0.7.0
Nov 16 20:27:26.543 INFO [stderr]    Compiling thread_local v0.2.7
Nov 16 20:27:26.746 INFO [stderr]    Compiling aho-corasick v0.5.3
Nov 16 20:27:28.519 INFO [stderr]    Compiling regex v0.1.80
Nov 16 20:27:32.911 INFO [stderr]    Compiling mio v0.6.1
Nov 16 20:27:42.789 INFO [stderr]    Compiling env_logger v0.3.5
Nov 16 20:27:44.057 INFO [stderr]    Compiling janeiro v0.0.1 (/source)
Nov 16 20:27:44.735 INFO [stderr] warning: variable does not need to be mutable
Nov 16 20:27:44.736 INFO [stderr]    --> src/rio.rs:353:17
Nov 16 20:27:44.736 INFO [stderr]     |
Nov 16 20:27:44.737 INFO [stderr] 353 |             let mut client = &mut self.connections[token].client_mut();
Nov 16 20:27:44.737 INFO [stderr]     |                 ----^^^^^^
Nov 16 20:27:44.738 INFO [stderr]     |                 |
Nov 16 20:27:44.738 INFO [stderr]     |                 help: remove this `mut`
Nov 16 20:27:44.739 INFO [stderr]     |
Nov 16 20:27:44.739 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 16 20:27:44.740 INFO [stderr] 
Nov 16 20:27:45.412 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.77s
Nov 16 20:27:45.418 INFO [stderr] su: No module specific data is present
Nov 16 20:27:46.900 INFO running `"docker" "inspect" "8040eac5732da19902725aef0993b26c18ceb0fbf1347a826e65710e4d412785"`
Nov 16 20:27:47.253 INFO running `"docker" "rm" "-f" "8040eac5732da19902725aef0993b26c18ceb0fbf1347a826e65710e4d412785"`
Nov 16 20:27:47.591 INFO [stdout] 8040eac5732da19902725aef0993b26c18ceb0fbf1347a826e65710e4d412785
Nov 16 20:27:47.596 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 20:27:48.163 INFO [stdout] 2eba209ac8a730e3151ecfa97918de6e388b0280df6941df84406047b188c2bd
Nov 16 20:27:48.165 INFO running `"docker" "start" "-a" "2eba209ac8a730e3151ecfa97918de6e388b0280df6941df84406047b188c2bd"`
Nov 16 20:27:49.966 INFO [stderr] usermod: no changes
Nov 16 20:27:50.091 INFO [stderr]    Compiling janeiro v0.0.1 (/source)
Nov 16 20:27:51.982 INFO [stderr] warning: unused import: `std::str`
Nov 16 20:27:51.983 INFO [stderr]  --> tests/test_echo_server.rs:7:5
Nov 16 20:27:51.983 INFO [stderr]   |
Nov 16 20:27:51.983 INFO [stderr] 7 | use std::str;
Nov 16 20:27:51.984 INFO [stderr]   |     ^^^^^^^^
Nov 16 20:27:51.984 INFO [stderr]   |
Nov 16 20:27:51.984 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 20:27:51.985 INFO [stderr] 
Nov 16 20:27:53.359 INFO [stderr] warning: variable does not need to be mutable
Nov 16 20:27:53.359 INFO [stderr]    --> src/rio.rs:353:17
Nov 16 20:27:53.359 INFO [stderr]     |
Nov 16 20:27:53.359 INFO [stderr] 353 |             let mut client = &mut self.connections[token].client_mut();
Nov 16 20:27:53.359 INFO [stderr]     |                 ----^^^^^^
Nov 16 20:27:53.359 INFO [stderr]     |                 |
Nov 16 20:27:53.359 INFO [stderr]     |                 help: remove this `mut`
Nov 16 20:27:53.359 INFO [stderr]     |
Nov 16 20:27:53.359 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 16 20:27:53.359 INFO [stderr] 
Nov 16 20:27:56.137 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.14s
Nov 16 20:27:56.145 INFO [stderr] su: No module specific data is present
Nov 16 20:27:57.236 INFO running `"docker" "inspect" "2eba209ac8a730e3151ecfa97918de6e388b0280df6941df84406047b188c2bd"`
Nov 16 20:27:57.630 INFO running `"docker" "rm" "-f" "2eba209ac8a730e3151ecfa97918de6e388b0280df6941df84406047b188c2bd"`
Nov 16 20:27:57.944 INFO [stdout] 2eba209ac8a730e3151ecfa97918de6e388b0280df6941df84406047b188c2bd
Nov 16 20:27:57.953 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 20:27:58.451 INFO [stdout] 0e571587ecddbce083b1c6bc02366a4087f293d8d093bd77f82dc5ef7be3bf53
Nov 16 20:27:58.457 INFO running `"docker" "start" "-a" "0e571587ecddbce083b1c6bc02366a4087f293d8d093bd77f82dc5ef7be3bf53"`
Nov 16 20:28:00.139 INFO [stderr] usermod: no changes
Nov 16 20:28:00.306 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
Nov 16 20:28:00.322 INFO [stderr]      Running /target/debug/deps/janeiro-a904d2802bb51a98
Nov 16 20:28:00.327 INFO [stdout] 
Nov 16 20:28:00.327 INFO [stdout] running 1 test
Nov 16 20:28:00.327 INFO [stdout] test transport::test::test_transport ... ok
Nov 16 20:28:00.327 INFO [stdout] 
Nov 16 20:28:00.327 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 20:28:00.327 INFO [stdout] 
Nov 16 20:28:00.329 INFO [stderr]      Running /target/debug/deps/test_echo_server-b3a049e67c39aab8
Nov 16 20:28:00.335 INFO [stdout] 
Nov 16 20:28:00.335 INFO [stdout] running 1 test
Nov 16 20:28:00.335 INFO [stdout] test test_echo_server ... ignored
Nov 16 20:28:00.335 INFO [stdout] 
Nov 16 20:28:00.335 INFO [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
Nov 16 20:28:00.335 INFO [stdout] 
Nov 16 20:28:00.336 INFO [stderr]    Doc-tests janeiro
Nov 16 20:28:01.134 INFO [stdout] 
Nov 16 20:28:01.134 INFO [stdout] running 0 tests
Nov 16 20:28:01.134 INFO [stdout] 
Nov 16 20:28:01.135 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 20:28:01.135 INFO [stdout] 
Nov 16 20:28:01.143 INFO [stderr] su: No module specific data is present
Nov 16 20:28:02.575 INFO running `"docker" "inspect" "0e571587ecddbce083b1c6bc02366a4087f293d8d093bd77f82dc5ef7be3bf53"`
Nov 16 20:28:02.913 INFO running `"docker" "rm" "-f" "0e571587ecddbce083b1c6bc02366a4087f293d8d093bd77f82dc5ef7be3bf53"`
Nov 16 20:28:03.223 INFO [stdout] 0e571587ecddbce083b1c6bc02366a4087f293d8d093bd77f82dc5ef7be3bf53