Dec 12 07:28:22.201 INFO checking singleton-derive-0.1.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 07:28:22.201 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 07:28:22.529 INFO [stdout] b8c5b1909c21a4f781698aedc59314ac0899d2e9a455ec4b024bd3c6d4e0aaff
Dec 12 07:28:22.534 INFO running `"docker" "start" "-a" "b8c5b1909c21a4f781698aedc59314ac0899d2e9a455ec4b024bd3c6d4e0aaff"`
Dec 12 07:28:23.272 INFO [stderr] usermod: no changes
Dec 12 07:28:23.329 INFO [stderr]     Checking singleton-derive v0.1.0 (/source)
Dec 12 07:28:24.428 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 07:28:24.428 INFO [stderr]  --> src/lib.rs:5:1
Dec 12 07:28:24.428 INFO [stderr]   |
Dec 12 07:28:24.428 INFO [stderr] 5 | #[macro_use]
Dec 12 07:28:24.428 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 07:28:24.428 INFO [stderr]   |
Dec 12 07:28:24.428 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 07:28:24.429 INFO [stderr] 
Dec 12 07:28:24.429 INFO [stderr] warning: unused import: `failure::Error`
Dec 12 07:28:24.429 INFO [stderr]  --> src/lib.rs:9:5
Dec 12 07:28:24.429 INFO [stderr]   |
Dec 12 07:28:24.429 INFO [stderr] 9 | use failure::Error;
Dec 12 07:28:24.429 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 12 07:28:24.429 INFO [stderr] 
Dec 12 07:28:24.444 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 07:28:24.444 INFO [stderr]  --> src/lib.rs:5:1
Dec 12 07:28:24.444 INFO [stderr]   |
Dec 12 07:28:24.444 INFO [stderr] 5 | #[macro_use]
Dec 12 07:28:24.444 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 07:28:24.444 INFO [stderr]   |
Dec 12 07:28:24.444 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 07:28:24.444 INFO [stderr] 
Dec 12 07:28:24.444 INFO [stderr] warning: unused import: `failure::Error`
Dec 12 07:28:24.444 INFO [stderr]  --> src/lib.rs:9:5
Dec 12 07:28:24.444 INFO [stderr]   |
Dec 12 07:28:24.444 INFO [stderr] 9 | use failure::Error;
Dec 12 07:28:24.444 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 12 07:28:24.444 INFO [stderr] 
Dec 12 07:28:24.561 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
Dec 12 07:28:24.566 INFO [stderr] su: No module specific data is present
Dec 12 07:28:25.420 INFO running `"docker" "inspect" "b8c5b1909c21a4f781698aedc59314ac0899d2e9a455ec4b024bd3c6d4e0aaff"`
Dec 12 07:28:25.634 INFO running `"docker" "rm" "-f" "b8c5b1909c21a4f781698aedc59314ac0899d2e9a455ec4b024bd3c6d4e0aaff"`
Dec 12 07:28:25.791 INFO [stdout] b8c5b1909c21a4f781698aedc59314ac0899d2e9a455ec4b024bd3c6d4e0aaff