Dec 17 20:49:49.561 INFO checking leighwaller/hydrogen against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 20:49:49.561 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/leighwaller/hydrogen:/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 17 20:49:49.956 INFO [stdout] b14caa86f3bb51b0be81ff6c1083c7f591805ec8e33b61534c8d4accf36b79d0
Dec 17 20:49:49.960 INFO running `"docker" "start" "-a" "b14caa86f3bb51b0be81ff6c1083c7f591805ec8e33b61534c8d4accf36b79d0"`
Dec 17 20:49:51.840 INFO [stderr]    Compiling proc-macro2 v0.3.7
Dec 17 20:49:51.840 INFO [stderr]     Checking toml v0.4.6
Dec 17 20:49:51.840 INFO [stderr]     Checking uuid v0.6.2
Dec 17 20:49:51.840 INFO [stderr]     Checking env_logger v0.5.7
Dec 17 20:49:55.806 INFO [stderr]    Compiling quote v0.5.2
Dec 17 20:49:56.752 INFO [stderr]    Compiling syn v0.13.1
Dec 17 20:50:04.838 INFO [stderr]    Compiling serde_derive_internals v0.23.1
Dec 17 20:50:08.414 INFO [stderr]    Compiling serde_derive v1.0.43
Dec 17 20:50:17.913 INFO [stderr]     Checking hydrogen v0.1.0 (/opt/crater/workdir)
Dec 17 20:50:18.424 INFO [stderr] warning: unused import: `std`
Dec 17 20:50:18.424 INFO [stderr]  --> src/model.rs:1:5
Dec 17 20:50:18.424 INFO [stderr]   |
Dec 17 20:50:18.424 INFO [stderr] 1 | use std;
Dec 17 20:50:18.424 INFO [stderr]   |     ^^^
Dec 17 20:50:18.424 INFO [stderr]   |
Dec 17 20:50:18.424 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:50:18.424 INFO [stderr] 
Dec 17 20:50:18.424 INFO [stderr] warning: unused import: `std::error`
Dec 17 20:50:18.424 INFO [stderr]  --> src/model.rs:2:5
Dec 17 20:50:18.424 INFO [stderr]   |
Dec 17 20:50:18.424 INFO [stderr] 2 | use std::error;
Dec 17 20:50:18.424 INFO [stderr]   |     ^^^^^^^^^^
Dec 17 20:50:18.424 INFO [stderr] 
Dec 17 20:50:18.424 INFO [stderr] warning: unused import: `std::fmt`
Dec 17 20:50:18.425 INFO [stderr]  --> src/model.rs:3:5
Dec 17 20:50:18.425 INFO [stderr]   |
Dec 17 20:50:18.425 INFO [stderr] 3 | use std::fmt;
Dec 17 20:50:18.425 INFO [stderr]   |     ^^^^^^^^
Dec 17 20:50:18.425 INFO [stderr] 
Dec 17 20:50:18.425 INFO [stderr] warning: unused import: `toml`
Dec 17 20:50:18.425 INFO [stderr]  --> src/model.rs:4:5
Dec 17 20:50:18.425 INFO [stderr]   |
Dec 17 20:50:18.425 INFO [stderr] 4 | use toml;
Dec 17 20:50:18.425 INFO [stderr]   |     ^^^^
Dec 17 20:50:18.425 INFO [stderr] 
Dec 17 20:50:18.856 INFO [stderr] warning: unused import: `std`
Dec 17 20:50:18.857 INFO [stderr]  --> src/model.rs:1:5
Dec 17 20:50:18.868 INFO [stderr]   |
Dec 17 20:50:18.868 INFO [stderr] 1 | use std;
Dec 17 20:50:18.868 INFO [stderr]   |     ^^^
Dec 17 20:50:18.868 INFO [stderr]   |
Dec 17 20:50:18.868 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:50:18.868 INFO [stderr] 
Dec 17 20:50:18.868 INFO [stderr] warning: unused import: `std::error`
Dec 17 20:50:18.868 INFO [stderr]  --> src/model.rs:2:5
Dec 17 20:50:18.868 INFO [stderr]   |
Dec 17 20:50:18.868 INFO [stderr] 2 | use std::error;
Dec 17 20:50:18.868 INFO [stderr]   |     ^^^^^^^^^^
Dec 17 20:50:18.868 INFO [stderr] 
Dec 17 20:50:18.868 INFO [stderr] warning: unused import: `std::fmt`
Dec 17 20:50:18.868 INFO [stderr]  --> src/model.rs:3:5
Dec 17 20:50:18.868 INFO [stderr]   |
Dec 17 20:50:18.868 INFO [stderr] 3 | use std::fmt;
Dec 17 20:50:18.869 INFO [stderr]   |     ^^^^^^^^
Dec 17 20:50:18.869 INFO [stderr] 
Dec 17 20:50:18.869 INFO [stderr] warning: unused import: `toml`
Dec 17 20:50:18.869 INFO [stderr]  --> src/model.rs:4:5
Dec 17 20:50:18.869 INFO [stderr]   |
Dec 17 20:50:18.869 INFO [stderr] 4 | use toml;
Dec 17 20:50:18.869 INFO [stderr]   |     ^^^^
Dec 17 20:50:18.869 INFO [stderr] 
Dec 17 20:50:19.163 INFO [stderr] warning: unused variable: `err`
Dec 17 20:50:19.163 INFO [stderr]   --> src/loader.rs:85:13
Dec 17 20:50:19.163 INFO [stderr]    |
Dec 17 20:50:19.163 INFO [stderr] 85 |         let err = result.err().unwrap();
Dec 17 20:50:19.163 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 17 20:50:19.163 INFO [stderr]    |
Dec 17 20:50:19.163 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 20:50:19.163 INFO [stderr] 
Dec 17 20:50:19.280 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.60s
Dec 17 20:50:20.102 INFO running `"docker" "inspect" "b14caa86f3bb51b0be81ff6c1083c7f591805ec8e33b61534c8d4accf36b79d0"`
Dec 17 20:50:20.416 INFO running `"docker" "rm" "-f" "b14caa86f3bb51b0be81ff6c1083c7f591805ec8e33b61534c8d4accf36b79d0"`
Dec 17 20:50:20.671 INFO [stdout] b14caa86f3bb51b0be81ff6c1083c7f591805ec8e33b61534c8d4accf36b79d0