Dec 15 03:40:10.875 INFO testing nff-0.1.2 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 03:40:10.875 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 03:40:11.387 INFO [stdout] cb42b58e76171fb764a6ede8ea91308bbc404d6f1eac46e8f888282547cfe4e5
Dec 15 03:40:11.391 INFO running `"docker" "start" "-a" "cb42b58e76171fb764a6ede8ea91308bbc404d6f1eac46e8f888282547cfe4e5"`
Dec 15 03:40:12.503 INFO [stderr] usermod: no changes
Dec 15 03:40:12.553 INFO [stderr]    Compiling hashbrown v0.1.7
Dec 15 03:40:13.597 INFO [stderr]    Compiling nff v0.1.2 (/source)
Dec 15 03:40:14.319 INFO [stderr] warning: variable does not need to be mutable
Dec 15 03:40:14.319 INFO [stderr]   --> src/lib.rs:61:17
Dec 15 03:40:14.319 INFO [stderr]    |
Dec 15 03:40:14.319 INFO [stderr] 61 |             let mut rhs = side.next().expect("Missing right hand side").trim().chars();
Dec 15 03:40:14.319 INFO [stderr]    |                 ----^^^
Dec 15 03:40:14.319 INFO [stderr]    |                 |
Dec 15 03:40:14.319 INFO [stderr]    |                 help: remove this `mut`
Dec 15 03:40:14.319 INFO [stderr]    |
Dec 15 03:40:14.319 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 03:40:14.319 INFO [stderr] 
Dec 15 03:40:15.797 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
Dec 15 03:40:15.800 INFO [stderr] su: No module specific data is present
Dec 15 03:40:16.124 INFO running `"docker" "inspect" "cb42b58e76171fb764a6ede8ea91308bbc404d6f1eac46e8f888282547cfe4e5"`
Dec 15 03:40:16.219 INFO running `"docker" "rm" "-f" "cb42b58e76171fb764a6ede8ea91308bbc404d6f1eac46e8f888282547cfe4e5"`
Dec 15 03:40:16.337 INFO [stdout] cb42b58e76171fb764a6ede8ea91308bbc404d6f1eac46e8f888282547cfe4e5
Dec 15 03:40:16.339 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 03:40:16.596 INFO [stdout] 169174e8e6a2d61d94e7982772b7f9c3d865bedfb542f6e871106d783f427f4a
Dec 15 03:40:16.598 INFO running `"docker" "start" "-a" "169174e8e6a2d61d94e7982772b7f9c3d865bedfb542f6e871106d783f427f4a"`
Dec 15 03:40:17.165 INFO [stderr] usermod: no changes
Dec 15 03:40:17.211 INFO [stderr]    Compiling nff v0.1.2 (/source)
Dec 15 03:40:18.099 INFO [stderr] warning: variable does not need to be mutable
Dec 15 03:40:18.099 INFO [stderr]   --> src/lib.rs:61:17
Dec 15 03:40:18.099 INFO [stderr]    |
Dec 15 03:40:18.099 INFO [stderr] 61 |             let mut rhs = side.next().expect("Missing right hand side").trim().chars();
Dec 15 03:40:18.099 INFO [stderr]    |                 ----^^^
Dec 15 03:40:18.099 INFO [stderr]    |                 |
Dec 15 03:40:18.099 INFO [stderr]    |                 help: remove this `mut`
Dec 15 03:40:18.099 INFO [stderr]    |
Dec 15 03:40:18.099 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 03:40:18.099 INFO [stderr] 
Dec 15 03:40:18.358 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
Dec 15 03:40:18.362 INFO [stderr] su: No module specific data is present
Dec 15 03:40:18.646 INFO running `"docker" "inspect" "169174e8e6a2d61d94e7982772b7f9c3d865bedfb542f6e871106d783f427f4a"`
Dec 15 03:40:18.785 INFO running `"docker" "rm" "-f" "169174e8e6a2d61d94e7982772b7f9c3d865bedfb542f6e871106d783f427f4a"`
Dec 15 03:40:18.909 INFO [stdout] 169174e8e6a2d61d94e7982772b7f9c3d865bedfb542f6e871106d783f427f4a
Dec 15 03:40:18.979 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 03:40:19.124 INFO [stdout] 190f7bbe25322219ac5c543e87d6c6f0850e730f4fbde039cb5855b08e92ccb9
Dec 15 03:40:19.131 INFO running `"docker" "start" "-a" "190f7bbe25322219ac5c543e87d6c6f0850e730f4fbde039cb5855b08e92ccb9"`
Dec 15 03:40:19.682 INFO [stderr] usermod: no changes
Dec 15 03:40:19.714 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 15 03:40:19.717 INFO [stderr]      Running /target/debug/deps/nff-ab48d888e260bd9b
Dec 15 03:40:19.719 INFO [stdout] 
Dec 15 03:40:19.719 INFO [stdout] running 0 tests
Dec 15 03:40:19.719 INFO [stdout] 
Dec 15 03:40:19.719 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 03:40:19.719 INFO [stdout] 
Dec 15 03:40:19.719 INFO [stderr]      Running /target/debug/deps/nff-7dc9a826f70656d9
Dec 15 03:40:19.721 INFO [stdout] 
Dec 15 03:40:19.721 INFO [stdout] running 0 tests
Dec 15 03:40:19.721 INFO [stdout] 
Dec 15 03:40:19.721 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 03:40:19.721 INFO [stdout] 
Dec 15 03:40:19.722 INFO [stderr]    Doc-tests nff
Dec 15 03:40:20.608 INFO [stdout] 
Dec 15 03:40:20.608 INFO [stdout] running 0 tests
Dec 15 03:40:20.608 INFO [stdout] 
Dec 15 03:40:20.608 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 03:40:20.608 INFO [stdout] 
Dec 15 03:40:20.615 INFO [stderr] su: No module specific data is present
Dec 15 03:40:21.018 INFO running `"docker" "inspect" "190f7bbe25322219ac5c543e87d6c6f0850e730f4fbde039cb5855b08e92ccb9"`
Dec 15 03:40:21.205 INFO running `"docker" "rm" "-f" "190f7bbe25322219ac5c543e87d6c6f0850e730f4fbde039cb5855b08e92ccb9"`
Dec 15 03:40:21.310 INFO [stdout] 190f7bbe25322219ac5c543e87d6c6f0850e730f4fbde039cb5855b08e92ccb9