Dec 05 07:59:41.753 INFO checking rotor-carbon-0.7.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 07:59:41.753 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-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 05 07:59:42.234 INFO [stdout] b542b0f5e9987c81b1d74ff53d045ad95529cd7618ce18d7261d92eceec41113
Dec 05 07:59:42.236 INFO running `"docker" "start" "-a" "b542b0f5e9987c81b1d74ff53d045ad95529cd7618ce18d7261d92eceec41113"`
Dec 05 07:59:44.286 INFO [stderr] usermod: no changes
Dec 05 07:59:44.439 INFO [stderr]     Checking netbuf v0.3.8
Dec 05 07:59:45.239 INFO [stderr]     Checking rotor-stream v0.6.2
Dec 05 07:59:47.177 INFO [stderr]     Checking rotor-carbon v0.7.0 (/source)
Dec 05 07:59:49.784 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:59:49.784 INFO [stderr]   --> src/sender.rs:19:17
Dec 05 07:59:49.784 INFO [stderr]    |
Dec 05 07:59:49.784 INFO [stderr] 19 |             let mut buf = trans.output();
Dec 05 07:59:49.784 INFO [stderr]    |                 ----^^^
Dec 05 07:59:49.784 INFO [stderr]    |                 |
Dec 05 07:59:49.784 INFO [stderr]    |                 help: remove this `mut`
Dec 05 07:59:49.784 INFO [stderr]    |
Dec 05 07:59:49.784 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 07:59:49.784 INFO [stderr] 
Dec 05 07:59:49.784 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:59:49.784 INFO [stderr]   --> src/sender.rs:19:17
Dec 05 07:59:49.784 INFO [stderr]    |
Dec 05 07:59:49.784 INFO [stderr] 19 |             let mut buf = trans.output();
Dec 05 07:59:49.784 INFO [stderr]    |                 ----^^^
Dec 05 07:59:49.784 INFO [stderr]    |                 |
Dec 05 07:59:49.784 INFO [stderr]    |                 help: remove this `mut`
Dec 05 07:59:49.784 INFO [stderr] 
Dec 05 07:59:49.784 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:59:49.784 INFO [stderr]   --> src/sender.rs:32:17
Dec 05 07:59:49.784 INFO [stderr]    |
Dec 05 07:59:49.785 INFO [stderr] 32 |             let mut buf = trans.output();
Dec 05 07:59:49.785 INFO [stderr]    |                 ----^^^
Dec 05 07:59:49.785 INFO [stderr]    |                 |
Dec 05 07:59:49.785 INFO [stderr]    |                 help: remove this `mut`
Dec 05 07:59:49.785 INFO [stderr] 
Dec 05 07:59:50.054 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:59:50.055 INFO [stderr]   --> src/sender.rs:19:17
Dec 05 07:59:50.055 INFO [stderr]    |
Dec 05 07:59:50.055 INFO [stderr] 19 |             let mut buf = trans.output();
Dec 05 07:59:50.055 INFO [stderr]    |                 ----^^^
Dec 05 07:59:50.055 INFO [stderr]    |                 |
Dec 05 07:59:50.055 INFO [stderr]    |                 help: remove this `mut`
Dec 05 07:59:50.055 INFO [stderr]    |
Dec 05 07:59:50.055 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 07:59:50.055 INFO [stderr] 
Dec 05 07:59:50.055 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:59:50.055 INFO [stderr]   --> src/sender.rs:19:17
Dec 05 07:59:50.055 INFO [stderr]    |
Dec 05 07:59:50.055 INFO [stderr] 19 |             let mut buf = trans.output();
Dec 05 07:59:50.055 INFO [stderr]    |                 ----^^^
Dec 05 07:59:50.055 INFO [stderr]    |                 |
Dec 05 07:59:50.055 INFO [stderr]    |                 help: remove this `mut`
Dec 05 07:59:50.055 INFO [stderr] 
Dec 05 07:59:50.058 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:59:50.058 INFO [stderr]   --> src/sender.rs:32:17
Dec 05 07:59:50.058 INFO [stderr]    |
Dec 05 07:59:50.059 INFO [stderr] 32 |             let mut buf = trans.output();
Dec 05 07:59:50.059 INFO [stderr]    |                 ----^^^
Dec 05 07:59:50.059 INFO [stderr]    |                 |
Dec 05 07:59:50.059 INFO [stderr]    |                 help: remove this `mut`
Dec 05 07:59:50.059 INFO [stderr] 
Dec 05 07:59:52.489 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.18s
Dec 05 07:59:52.499 INFO [stderr] su: No module specific data is present
Dec 05 07:59:52.801 INFO running `"docker" "inspect" "b542b0f5e9987c81b1d74ff53d045ad95529cd7618ce18d7261d92eceec41113"`
Dec 05 07:59:52.964 INFO running `"docker" "rm" "-f" "b542b0f5e9987c81b1d74ff53d045ad95529cd7618ce18d7261d92eceec41113"`
Dec 05 07:59:53.156 INFO [stdout] b542b0f5e9987c81b1d74ff53d045ad95529cd7618ce18d7261d92eceec41113