Dec 18 09:45:55.937 INFO checking undulate-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 09:45:55.937 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/undulate/0.1.0:/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 09:45:56.404 INFO [stdout] 89463f208582c02a58ddf73dfcacc9b4a96b9e309789260e88360ce89d14edb8
Dec 18 09:45:56.410 INFO running `"docker" "start" "-a" "89463f208582c02a58ddf73dfcacc9b4a96b9e309789260e88360ce89d14edb8"`
Dec 18 09:45:58.416 INFO [stderr]     Checking undulate v0.1.0 (/opt/crater/workdir)
Dec 18 09:46:01.010 INFO [stderr] warning: unused imports: `Read`, `self`
Dec 18 09:46:01.010 INFO [stderr]   --> src/lib.rs:12:15
Dec 18 09:46:01.011 INFO [stderr]    |
Dec 18 09:46:01.011 INFO [stderr] 12 | use std::io::{self, Read, Write};
Dec 18 09:46:01.011 INFO [stderr]    |               ^^^^  ^^^^
Dec 18 09:46:01.011 INFO [stderr]    |
Dec 18 09:46:01.012 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 09:46:01.012 INFO [stderr] 
Dec 18 09:46:01.120 INFO [stderr] warning: unused imports: `Read`, `self`
Dec 18 09:46:01.120 INFO [stderr]   --> src/lib.rs:12:15
Dec 18 09:46:01.120 INFO [stderr]    |
Dec 18 09:46:01.120 INFO [stderr] 12 | use std::io::{self, Read, Write};
Dec 18 09:46:01.120 INFO [stderr]    |               ^^^^  ^^^^
Dec 18 09:46:01.120 INFO [stderr]    |
Dec 18 09:46:01.120 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 09:46:01.120 INFO [stderr] 
Dec 18 09:46:01.252 INFO [stderr] warning: unused variable: `specifier`
Dec 18 09:46:01.252 INFO [stderr]   --> src/lib.rs:96:30
Dec 18 09:46:01.252 INFO [stderr]    |
Dec 18 09:46:01.253 INFO [stderr] 96 | pub fn remove<T: AsRef<str>>(specifier: T) -> Result<(), RemoveError> {
Dec 18 09:46:01.253 INFO [stderr]    |                              ^^^^^^^^^ help: consider using `_specifier` instead
Dec 18 09:46:01.253 INFO [stderr]    |
Dec 18 09:46:01.253 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 09:46:01.253 INFO [stderr] 
Dec 18 09:46:01.253 INFO [stderr] warning: unused variable: `url`
Dec 18 09:46:01.253 INFO [stderr]    --> src/lib.rs:100:16
Dec 18 09:46:01.253 INFO [stderr]     |
Dec 18 09:46:01.253 INFO [stderr] 100 | pub fn install(url: &str) -> Result<(), InstallError> {
Dec 18 09:46:01.253 INFO [stderr]     |                ^^^ help: consider using `_url` instead
Dec 18 09:46:01.253 INFO [stderr] 
Dec 18 09:46:01.292 INFO [stderr] warning: unused variable: `specifier`
Dec 18 09:46:01.292 INFO [stderr]   --> src/lib.rs:96:30
Dec 18 09:46:01.292 INFO [stderr]    |
Dec 18 09:46:01.292 INFO [stderr] 96 | pub fn remove<T: AsRef<str>>(specifier: T) -> Result<(), RemoveError> {
Dec 18 09:46:01.292 INFO [stderr]    |                              ^^^^^^^^^ help: consider using `_specifier` instead
Dec 18 09:46:01.292 INFO [stderr]    |
Dec 18 09:46:01.292 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 09:46:01.292 INFO [stderr] 
Dec 18 09:46:01.292 INFO [stderr] warning: unused variable: `url`
Dec 18 09:46:01.292 INFO [stderr]    --> src/lib.rs:100:16
Dec 18 09:46:01.292 INFO [stderr]     |
Dec 18 09:46:01.292 INFO [stderr] 100 | pub fn install(url: &str) -> Result<(), InstallError> {
Dec 18 09:46:01.292 INFO [stderr]     |                ^^^ help: consider using `_url` instead
Dec 18 09:46:01.292 INFO [stderr] 
Dec 18 09:46:06.628 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.53s
Dec 18 09:46:07.360 INFO running `"docker" "inspect" "89463f208582c02a58ddf73dfcacc9b4a96b9e309789260e88360ce89d14edb8"`
Dec 18 09:46:07.650 INFO running `"docker" "rm" "-f" "89463f208582c02a58ddf73dfcacc9b4a96b9e309789260e88360ce89d14edb8"`
Dec 18 09:46:07.983 INFO [stdout] 89463f208582c02a58ddf73dfcacc9b4a96b9e309789260e88360ce89d14edb8