Dec 19 19:21:36.765 INFO checking cactorium/buspirate-eeprom-rust against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 19:21:36.765 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:21:37.260 INFO [stdout] 387ca3f06c0e2fa5e85feb7be18db1ee855b1185ad3418c3d8243dfc4714a438
Dec 19 19:21:37.262 INFO running `"docker" "start" "-a" "387ca3f06c0e2fa5e85feb7be18db1ee855b1185ad3418c3d8243dfc4714a438"`
Dec 19 19:21:38.588 INFO [stderr]     Checking termios v0.2.2
Dec 19 19:21:38.588 INFO [stderr]     Checking ioctl-rs v0.1.5
Dec 19 19:21:39.084 INFO [stderr]     Checking serial v0.3.4
Dec 19 19:21:39.640 INFO [stderr]     Checking eeprom-writer v0.1.0 (/opt/crater/workdir)
Dec 19 19:21:39.920 INFO [stderr] warning: unused import: `serial::prelude::*`
Dec 19 19:21:39.920 INFO [stderr]  --> src/bitbang.rs:7:5
Dec 19 19:21:39.920 INFO [stderr]   |
Dec 19 19:21:39.920 INFO [stderr] 7 | use serial::prelude::*;
Dec 19 19:21:39.920 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 19:21:39.920 INFO [stderr]   |
Dec 19 19:21:39.920 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 19:21:39.920 INFO [stderr] 
Dec 19 19:21:39.920 INFO [stderr] warning: unused import: `onewire::*`
Dec 19 19:21:39.920 INFO [stderr]   --> src/main.rs:15:5
Dec 19 19:21:39.920 INFO [stderr]    |
Dec 19 19:21:39.920 INFO [stderr] 15 | use onewire::*;
Dec 19 19:21:39.920 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 19:21:39.920 INFO [stderr] 
Dec 19 19:21:39.980 INFO [stderr] warning: unused import: `serial::prelude::*`
Dec 19 19:21:39.980 INFO [stderr]  --> src/bitbang.rs:7:5
Dec 19 19:21:39.980 INFO [stderr]   |
Dec 19 19:21:39.980 INFO [stderr] 7 | use serial::prelude::*;
Dec 19 19:21:39.980 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 19:21:39.980 INFO [stderr]   |
Dec 19 19:21:39.980 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 19:21:39.980 INFO [stderr] 
Dec 19 19:21:39.980 INFO [stderr] warning: unused import: `onewire::*`
Dec 19 19:21:39.980 INFO [stderr]   --> src/main.rs:15:5
Dec 19 19:21:39.980 INFO [stderr]    |
Dec 19 19:21:39.980 INFO [stderr] 15 | use onewire::*;
Dec 19 19:21:39.980 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 19:21:39.980 INFO [stderr] 
Dec 19 19:21:40.172 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:21:40.172 INFO [stderr]   --> src/main.rs:17:14
Dec 19 19:21:40.172 INFO [stderr]    |
Dec 19 19:21:40.172 INFO [stderr] 17 | fn do_ds2431(mut port: &mut BitBangMode) {
Dec 19 19:21:40.172 INFO [stderr]    |              ----^^^^
Dec 19 19:21:40.172 INFO [stderr]    |              |
Dec 19 19:21:40.172 INFO [stderr]    |              help: remove this `mut`
Dec 19 19:21:40.172 INFO [stderr]    |
Dec 19 19:21:40.172 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 19:21:40.172 INFO [stderr] 
Dec 19 19:21:40.258 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:21:40.258 INFO [stderr]   --> src/main.rs:17:14
Dec 19 19:21:40.258 INFO [stderr]    |
Dec 19 19:21:40.258 INFO [stderr] 17 | fn do_ds2431(mut port: &mut BitBangMode) {
Dec 19 19:21:40.258 INFO [stderr]    |              ----^^^^
Dec 19 19:21:40.258 INFO [stderr]    |              |
Dec 19 19:21:40.258 INFO [stderr]    |              help: remove this `mut`
Dec 19 19:21:40.258 INFO [stderr]    |
Dec 19 19:21:40.258 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 19:21:40.258 INFO [stderr] 
Dec 19 19:21:40.276 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:21:40.276 INFO [stderr]    --> src/i2c.rs:146:13
Dec 19 19:21:40.276 INFO [stderr]     |
Dec 19 19:21:40.276 INFO [stderr] 146 |         let mut ret = self.write_then_read(&[(addr << 1) | 1], len);
Dec 19 19:21:40.276 INFO [stderr]     |             ----^^^
Dec 19 19:21:40.276 INFO [stderr]     |             |
Dec 19 19:21:40.276 INFO [stderr]     |             help: remove this `mut`
Dec 19 19:21:40.276 INFO [stderr] 
Dec 19 19:21:40.379 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:21:40.379 INFO [stderr]    --> src/i2c.rs:146:13
Dec 19 19:21:40.379 INFO [stderr]     |
Dec 19 19:21:40.379 INFO [stderr] 146 |         let mut ret = self.write_then_read(&[(addr << 1) | 1], len);
Dec 19 19:21:40.379 INFO [stderr]     |             ----^^^
Dec 19 19:21:40.379 INFO [stderr]     |             |
Dec 19 19:21:40.379 INFO [stderr]     |             help: remove this `mut`
Dec 19 19:21:40.379 INFO [stderr] 
Dec 19 19:21:40.432 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
Dec 19 19:21:41.078 INFO running `"docker" "inspect" "387ca3f06c0e2fa5e85feb7be18db1ee855b1185ad3418c3d8243dfc4714a438"`
Dec 19 19:21:41.327 INFO running `"docker" "rm" "-f" "387ca3f06c0e2fa5e85feb7be18db1ee855b1185ad3418c3d8243dfc4714a438"`
Dec 19 19:21:41.620 INFO [stdout] 387ca3f06c0e2fa5e85feb7be18db1ee855b1185ad3418c3d8243dfc4714a438