[INFO] cloning repository cactorium/buspirate-eeprom-rust
[INFO] running `"git" "clone" "--bare" "git://github.com/cactorium/buspirate-eeprom-rust.git" "work/cache/sources/gh/cactorium/buspirate-eeprom-rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/cactorium/buspirate-eeprom-rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/cactorium/buspirate-eeprom-rust" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/cactorium/buspirate-eeprom-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/cactorium/buspirate-eeprom-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cactorium/buspirate-eeprom-rust" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/cactorium/buspirate-eeprom-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/cactorium/buspirate-eeprom-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ef41cac0d4e75face1b94db688aa1cc245c8d3dc
[INFO] sha for GitHub repo cactorium/buspirate-eeprom-rust: ef41cac0d4e75face1b94db688aa1cc245c8d3dc
[INFO] validating manifest of cactorium/buspirate-eeprom-rust on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cactorium/buspirate-eeprom-rust on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cactorium/buspirate-eeprom-rust
[INFO] finished frobbing cactorium/buspirate-eeprom-rust
[INFO] frobbed toml for cactorium/buspirate-eeprom-rust written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/cactorium/buspirate-eeprom-rust/Cargo.toml
[INFO] started frobbing cactorium/buspirate-eeprom-rust
[INFO] finished frobbing cactorium/buspirate-eeprom-rust
[INFO] frobbed toml for cactorium/buspirate-eeprom-rust written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/cactorium/buspirate-eeprom-rust/Cargo.toml
[INFO] crate cactorium/buspirate-eeprom-rust has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cactorium/buspirate-eeprom-rust against try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-0/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/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" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 04755b8d7a5b6a64de5e4bd2f806ecab0399cb732b509cf7a37f96f843a24de6
[INFO] running `"docker" "start" "-a" "04755b8d7a5b6a64de5e4bd2f806ecab0399cb732b509cf7a37f96f843a24de6"`
[INFO] [stderr]     Checking eeprom-writer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `serial::prelude::*`
[INFO] [stderr]  --> src/bitbang.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serial::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `onewire::*`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use onewire::*;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serial::prelude::*`
[INFO] [stderr]  --> src/bitbang.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serial::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `onewire::*`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use onewire::*;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:17:14
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn do_ds2431(mut port: &mut BitBangMode) {
[INFO] [stderr]    |              ----^^^^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:17:14
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn do_ds2431(mut port: &mut BitBangMode) {
[INFO] [stderr]    |              ----^^^^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/i2c.rs:146:13
[INFO] [stderr]     |
[INFO] [stderr] 146 |         let mut ret = self.write_then_read(&[(addr << 1) | 1], len);
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/i2c.rs:146:13
[INFO] [stderr]     |
[INFO] [stderr] 146 |         let mut ret = self.write_then_read(&[(addr << 1) | 1], len);
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "04755b8d7a5b6a64de5e4bd2f806ecab0399cb732b509cf7a37f96f843a24de6"`
[INFO] running `"docker" "rm" "-f" "04755b8d7a5b6a64de5e4bd2f806ecab0399cb732b509cf7a37f96f843a24de6"`
[INFO] [stdout] 04755b8d7a5b6a64de5e4bd2f806ecab0399cb732b509cf7a37f96f843a24de6