Dec 18 17:27:41.915 INFO checking coinlibio-0.1.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 17:27:41.915 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/coinlibio/0.1.1:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:27:42.372 INFO [stdout] 097bc0a5e54b51bf923971f5c52a0093181d7b63693b559a154a749af570dc83
Dec 18 17:27:42.374 INFO running `"docker" "start" "-a" "097bc0a5e54b51bf923971f5c52a0093181d7b63693b559a154a749af570dc83"`
Dec 18 17:27:45.153 INFO [stderr]     Checking coinlibio v0.1.1 (/opt/crater/workdir)
Dec 18 17:27:47.775 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 17:27:47.775 INFO [stderr]  --> src/lib.rs:1:1
Dec 18 17:27:47.775 INFO [stderr]   |
Dec 18 17:27:47.775 INFO [stderr] 1 | #[macro_use]
Dec 18 17:27:47.775 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 17:27:47.775 INFO [stderr]   |
Dec 18 17:27:47.775 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:27:47.775 INFO [stderr] 
Dec 18 17:27:47.816 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 17:27:47.816 INFO [stderr]  --> src/lib.rs:1:1
Dec 18 17:27:47.816 INFO [stderr]   |
Dec 18 17:27:47.816 INFO [stderr] 1 | #[macro_use]
Dec 18 17:27:47.816 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 17:27:47.816 INFO [stderr]   |
Dec 18 17:27:47.816 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:27:47.816 INFO [stderr] 
Dec 18 17:27:47.924 INFO [stderr] warning: unused variable: `value`
Dec 18 17:27:47.924 INFO [stderr]   --> src/coinlib.rs:90:45
Dec 18 17:27:47.924 INFO [stderr]    |
Dec 18 17:27:47.924 INFO [stderr] 90 |         match std::env::vars().find(|(name, value)| name == &"http_proxy".to_string()) {
Dec 18 17:27:47.924 INFO [stderr]    |                                             ^^^^^ help: consider using `_value` instead
Dec 18 17:27:47.924 INFO [stderr]    |
Dec 18 17:27:47.924 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 17:27:47.924 INFO [stderr] 
Dec 18 17:27:47.940 INFO [stderr] warning: unused variable: `value`
Dec 18 17:27:47.940 INFO [stderr]   --> src/coinlib.rs:90:45
Dec 18 17:27:47.940 INFO [stderr]    |
Dec 18 17:27:47.940 INFO [stderr] 90 |         match std::env::vars().find(|(name, value)| name == &"http_proxy".to_string()) {
Dec 18 17:27:47.940 INFO [stderr]    |                                             ^^^^^ help: consider using `_value` instead
Dec 18 17:27:47.940 INFO [stderr]    |
Dec 18 17:27:47.940 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 17:27:47.940 INFO [stderr] 
Dec 18 17:27:50.676 INFO [stderr] warning: unused variable: `value`
Dec 18 17:27:50.676 INFO [stderr]  --> tests/integration_test.rs:8:41
Dec 18 17:27:50.676 INFO [stderr]   |
Dec 18 17:27:50.676 INFO [stderr] 8 |     match std::env::vars().find(|(name, value)| name == &"COINLIB_TOKEN".to_string()) {
Dec 18 17:27:50.676 INFO [stderr]   |                                         ^^^^^ help: consider using `_value` instead
Dec 18 17:27:50.676 INFO [stderr]   |
Dec 18 17:27:50.676 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 17:27:50.676 INFO [stderr] 
Dec 18 17:27:50.719 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.89s
Dec 18 17:27:51.615 INFO running `"docker" "inspect" "097bc0a5e54b51bf923971f5c52a0093181d7b63693b559a154a749af570dc83"`
Dec 18 17:27:51.730 INFO running `"docker" "rm" "-f" "097bc0a5e54b51bf923971f5c52a0093181d7b63693b559a154a749af570dc83"`
Dec 18 17:27:51.797 INFO [stdout] 097bc0a5e54b51bf923971f5c52a0093181d7b63693b559a154a749af570dc83