Dec 18 02:46:44.207 INFO checking cactorium/buspirate-eeprom-rust against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 02:46:44.207 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/cactorium/buspirate-eeprom-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 02:46:44.576 INFO [stdout] f679c183319a3e8ae265ed2c7362ce95e8dbd2f7113147c7791d6e3c5078f72b
Dec 18 02:46:44.582 INFO running `"docker" "start" "-a" "f679c183319a3e8ae265ed2c7362ce95e8dbd2f7113147c7791d6e3c5078f72b"`
Dec 18 02:46:45.944 INFO [stderr]     Checking ioctl-rs v0.1.5
Dec 18 02:46:45.944 INFO [stderr]     Checking termios v0.2.2
Dec 18 02:46:46.425 INFO [stderr]     Checking serial v0.3.4
Dec 18 02:46:46.932 INFO [stderr]     Checking eeprom-writer v0.1.0 (/opt/crater/workdir)
Dec 18 02:46:47.240 INFO [stderr] warning: unused import: `serial::prelude::*`
Dec 18 02:46:47.240 INFO [stderr]  --> src/bitbang.rs:7:5
Dec 18 02:46:47.240 INFO [stderr]   |
Dec 18 02:46:47.240 INFO [stderr] 7 | use serial::prelude::*;
Dec 18 02:46:47.240 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 18 02:46:47.240 INFO [stderr]   |
Dec 18 02:46:47.240 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 02:46:47.240 INFO [stderr] 
Dec 18 02:46:47.240 INFO [stderr] warning: unused import: `onewire::*`
Dec 18 02:46:47.240 INFO [stderr]   --> src/main.rs:15:5
Dec 18 02:46:47.241 INFO [stderr]    |
Dec 18 02:46:47.241 INFO [stderr] 15 | use onewire::*;
Dec 18 02:46:47.241 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 02:46:47.241 INFO [stderr] 
Dec 18 02:46:47.244 INFO [stderr] warning: unused import: `serial::prelude::*`
Dec 18 02:46:47.244 INFO [stderr]  --> src/bitbang.rs:7:5
Dec 18 02:46:47.244 INFO [stderr]   |
Dec 18 02:46:47.244 INFO [stderr] 7 | use serial::prelude::*;
Dec 18 02:46:47.244 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 18 02:46:47.244 INFO [stderr]   |
Dec 18 02:46:47.244 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 02:46:47.244 INFO [stderr] 
Dec 18 02:46:47.244 INFO [stderr] warning: unused import: `onewire::*`
Dec 18 02:46:47.244 INFO [stderr]   --> src/main.rs:15:5
Dec 18 02:46:47.244 INFO [stderr]    |
Dec 18 02:46:47.244 INFO [stderr] 15 | use onewire::*;
Dec 18 02:46:47.244 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 02:46:47.244 INFO [stderr] 
Dec 18 02:46:47.473 INFO [stderr] warning: variable does not need to be mutable
Dec 18 02:46:47.473 INFO [stderr]   --> src/main.rs:17:14
Dec 18 02:46:47.473 INFO [stderr]    |
Dec 18 02:46:47.473 INFO [stderr] 17 | fn do_ds2431(mut port: &mut BitBangMode) {
Dec 18 02:46:47.473 INFO [stderr]    |              ----^^^^
Dec 18 02:46:47.473 INFO [stderr]    |              |
Dec 18 02:46:47.473 INFO [stderr]    |              help: remove this `mut`
Dec 18 02:46:47.473 INFO [stderr]    |
Dec 18 02:46:47.473 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 02:46:47.473 INFO [stderr] 
Dec 18 02:46:47.528 INFO [stderr] warning: variable does not need to be mutable
Dec 18 02:46:47.528 INFO [stderr]    --> src/i2c.rs:146:13
Dec 18 02:46:47.528 INFO [stderr]     |
Dec 18 02:46:47.528 INFO [stderr] 146 |         let mut ret = self.write_then_read(&[(addr << 1) | 1], len);
Dec 18 02:46:47.528 INFO [stderr]     |             ----^^^
Dec 18 02:46:47.528 INFO [stderr]     |             |
Dec 18 02:46:47.528 INFO [stderr]     |             help: remove this `mut`
Dec 18 02:46:47.528 INFO [stderr] 
Dec 18 02:46:47.544 INFO [stderr] warning: variable does not need to be mutable
Dec 18 02:46:47.544 INFO [stderr]   --> src/main.rs:17:14
Dec 18 02:46:47.544 INFO [stderr]    |
Dec 18 02:46:47.544 INFO [stderr] 17 | fn do_ds2431(mut port: &mut BitBangMode) {
Dec 18 02:46:47.544 INFO [stderr]    |              ----^^^^
Dec 18 02:46:47.544 INFO [stderr]    |              |
Dec 18 02:46:47.544 INFO [stderr]    |              help: remove this `mut`
Dec 18 02:46:47.544 INFO [stderr]    |
Dec 18 02:46:47.544 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 02:46:47.544 INFO [stderr] 
Dec 18 02:46:47.600 INFO [stderr] warning: variable does not need to be mutable
Dec 18 02:46:47.602 INFO [stderr]    --> src/i2c.rs:146:13
Dec 18 02:46:47.602 INFO [stderr]     |
Dec 18 02:46:47.602 INFO [stderr] 146 |         let mut ret = self.write_then_read(&[(addr << 1) | 1], len);
Dec 18 02:46:47.602 INFO [stderr]     |             ----^^^
Dec 18 02:46:47.602 INFO [stderr]     |             |
Dec 18 02:46:47.602 INFO [stderr]     |             help: remove this `mut`
Dec 18 02:46:47.602 INFO [stderr] 
Dec 18 02:46:47.658 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
Dec 18 02:46:48.372 INFO running `"docker" "inspect" "f679c183319a3e8ae265ed2c7362ce95e8dbd2f7113147c7791d6e3c5078f72b"`
Dec 18 02:46:48.754 INFO running `"docker" "rm" "-f" "f679c183319a3e8ae265ed2c7362ce95e8dbd2f7113147c7791d6e3c5078f72b"`
Dec 18 02:46:49.003 INFO [stdout] f679c183319a3e8ae265ed2c7362ce95e8dbd2f7113147c7791d6e3c5078f72b