Dec 14 22:45:13.204 INFO testing rotor-carbon-0.7.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 22:45:13.204 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 14 22:45:13.761 INFO [stdout] a0293d77f6bd0cb18e6588ca56201c4bb831f9813c82507a04d812abba10c85d
Dec 14 22:45:13.763 INFO running `"docker" "start" "-a" "a0293d77f6bd0cb18e6588ca56201c4bb831f9813c82507a04d812abba10c85d"`
Dec 14 22:45:15.343 INFO [stderr] usermod: no changes
Dec 14 22:45:15.592 INFO [stderr]    Compiling netbuf v0.3.8
Dec 14 22:45:15.597 INFO [stderr]    Compiling miow v0.1.5
Dec 14 22:45:16.667 INFO [stderr]    Compiling mio v0.5.1
Dec 14 22:45:19.839 INFO [stderr]    Compiling rotor v0.6.3
Dec 14 22:45:21.811 INFO [stderr]    Compiling rotor-tools v0.3.2
Dec 14 22:45:23.448 INFO [stderr]    Compiling rotor-stream v0.6.2
Dec 14 22:45:25.771 INFO [stderr]    Compiling rotor-carbon v0.7.0 (/source)
Dec 14 22:45:27.895 INFO [stderr] warning: variable does not need to be mutable
Dec 14 22:45:27.895 INFO [stderr]   --> src/sender.rs:19:17
Dec 14 22:45:27.895 INFO [stderr]    |
Dec 14 22:45:27.895 INFO [stderr] 19 |             let mut buf = trans.output();
Dec 14 22:45:27.895 INFO [stderr]    |                 ----^^^
Dec 14 22:45:27.895 INFO [stderr]    |                 |
Dec 14 22:45:27.895 INFO [stderr]    |                 help: remove this `mut`
Dec 14 22:45:27.897 INFO [stderr]    |
Dec 14 22:45:27.897 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 22:45:27.897 INFO [stderr] 
Dec 14 22:45:27.897 INFO [stderr] warning: variable does not need to be mutable
Dec 14 22:45:27.897 INFO [stderr]   --> src/sender.rs:19:17
Dec 14 22:45:27.897 INFO [stderr]    |
Dec 14 22:45:27.897 INFO [stderr] 19 |             let mut buf = trans.output();
Dec 14 22:45:27.897 INFO [stderr]    |                 ----^^^
Dec 14 22:45:27.897 INFO [stderr]    |                 |
Dec 14 22:45:27.897 INFO [stderr]    |                 help: remove this `mut`
Dec 14 22:45:27.897 INFO [stderr] 
Dec 14 22:45:27.907 INFO [stderr] warning: variable does not need to be mutable
Dec 14 22:45:27.907 INFO [stderr]   --> src/sender.rs:32:17
Dec 14 22:45:27.907 INFO [stderr]    |
Dec 14 22:45:27.907 INFO [stderr] 32 |             let mut buf = trans.output();
Dec 14 22:45:27.907 INFO [stderr]    |                 ----^^^
Dec 14 22:45:27.907 INFO [stderr]    |                 |
Dec 14 22:45:27.907 INFO [stderr]    |                 help: remove this `mut`
Dec 14 22:45:27.907 INFO [stderr] 
Dec 14 22:45:27.955 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.58s
Dec 14 22:45:27.962 INFO [stderr] su: No module specific data is present
Dec 14 22:45:29.016 INFO running `"docker" "inspect" "a0293d77f6bd0cb18e6588ca56201c4bb831f9813c82507a04d812abba10c85d"`
Dec 14 22:45:29.358 INFO running `"docker" "rm" "-f" "a0293d77f6bd0cb18e6588ca56201c4bb831f9813c82507a04d812abba10c85d"`
Dec 14 22:45:29.667 INFO [stdout] a0293d77f6bd0cb18e6588ca56201c4bb831f9813c82507a04d812abba10c85d
Dec 14 22:45:29.672 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 14 22:45:30.159 INFO [stdout] e085ceded3bf1d4fd08c0cbdaee618f58811e2e5cee0e0396db11af5f4a7f31e
Dec 14 22:45:30.167 INFO running `"docker" "start" "-a" "e085ceded3bf1d4fd08c0cbdaee618f58811e2e5cee0e0396db11af5f4a7f31e"`
Dec 14 22:45:31.831 INFO [stderr] usermod: no changes
Dec 14 22:45:31.959 INFO [stderr]    Compiling rotor-carbon v0.7.0 (/source)
Dec 14 22:45:35.283 INFO [stderr] warning: variable does not need to be mutable
Dec 14 22:45:35.283 INFO [stderr]   --> src/sender.rs:19:17
Dec 14 22:45:35.283 INFO [stderr]    |
Dec 14 22:45:35.283 INFO [stderr] 19 |             let mut buf = trans.output();
Dec 14 22:45:35.283 INFO [stderr]    |                 ----^^^
Dec 14 22:45:35.283 INFO [stderr]    |                 |
Dec 14 22:45:35.283 INFO [stderr]    |                 help: remove this `mut`
Dec 14 22:45:35.283 INFO [stderr]    |
Dec 14 22:45:35.283 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 22:45:35.283 INFO [stderr] 
Dec 14 22:45:35.283 INFO [stderr] warning: variable does not need to be mutable
Dec 14 22:45:35.283 INFO [stderr]   --> src/sender.rs:19:17
Dec 14 22:45:35.283 INFO [stderr]    |
Dec 14 22:45:35.284 INFO [stderr] 19 |             let mut buf = trans.output();
Dec 14 22:45:35.284 INFO [stderr]    |                 ----^^^
Dec 14 22:45:35.284 INFO [stderr]    |                 |
Dec 14 22:45:35.284 INFO [stderr]    |                 help: remove this `mut`
Dec 14 22:45:35.284 INFO [stderr] 
Dec 14 22:45:35.284 INFO [stderr] warning: variable does not need to be mutable
Dec 14 22:45:35.284 INFO [stderr]   --> src/sender.rs:32:17
Dec 14 22:45:35.284 INFO [stderr]    |
Dec 14 22:45:35.284 INFO [stderr] 32 |             let mut buf = trans.output();
Dec 14 22:45:35.284 INFO [stderr]    |                 ----^^^
Dec 14 22:45:35.284 INFO [stderr]    |                 |
Dec 14 22:45:35.284 INFO [stderr]    |                 help: remove this `mut`
Dec 14 22:45:35.284 INFO [stderr] 
Dec 14 22:45:39.009 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.14s
Dec 14 22:45:39.014 INFO [stderr] su: No module specific data is present
Dec 14 22:45:39.320 INFO running `"docker" "inspect" "e085ceded3bf1d4fd08c0cbdaee618f58811e2e5cee0e0396db11af5f4a7f31e"`
Dec 14 22:45:39.456 INFO running `"docker" "rm" "-f" "e085ceded3bf1d4fd08c0cbdaee618f58811e2e5cee0e0396db11af5f4a7f31e"`
Dec 14 22:45:39.603 INFO [stdout] e085ceded3bf1d4fd08c0cbdaee618f58811e2e5cee0e0396db11af5f4a7f31e