Dec 12 07:28:21.221 INFO checking singletonum-derive-0.2.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 07:28:21.221 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 07:28:21.364 INFO [stdout] 241d981cf2b5c4e9d00789c03013c1d3f712c90adcf3cf85080496fe90ee32eb
Dec 12 07:28:21.366 INFO running `"docker" "start" "-a" "241d981cf2b5c4e9d00789c03013c1d3f712c90adcf3cf85080496fe90ee32eb"`
Dec 12 07:28:21.953 INFO [stderr] usermod: no changes
Dec 12 07:28:22.048 INFO [stderr]     Checking singletonum-derive v0.2.0 (/source)
Dec 12 07:28:23.348 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 07:28:23.348 INFO [stderr]  --> src/lib.rs:5:1
Dec 12 07:28:23.348 INFO [stderr]   |
Dec 12 07:28:23.348 INFO [stderr] 5 | #[macro_use]
Dec 12 07:28:23.348 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 07:28:23.348 INFO [stderr]   |
Dec 12 07:28:23.348 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 07:28:23.348 INFO [stderr] 
Dec 12 07:28:23.348 INFO [stderr] warning: unused import: `failure::Error`
Dec 12 07:28:23.348 INFO [stderr]  --> src/lib.rs:9:5
Dec 12 07:28:23.348 INFO [stderr]   |
Dec 12 07:28:23.348 INFO [stderr] 9 | use failure::Error;
Dec 12 07:28:23.348 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 12 07:28:23.348 INFO [stderr] 
Dec 12 07:28:23.436 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 07:28:23.436 INFO [stderr]  --> src/lib.rs:5:1
Dec 12 07:28:23.436 INFO [stderr]   |
Dec 12 07:28:23.436 INFO [stderr] 5 | #[macro_use]
Dec 12 07:28:23.436 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 07:28:23.436 INFO [stderr]   |
Dec 12 07:28:23.436 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 07:28:23.436 INFO [stderr] 
Dec 12 07:28:23.436 INFO [stderr] warning: unused import: `failure::Error`
Dec 12 07:28:23.436 INFO [stderr]  --> src/lib.rs:9:5
Dec 12 07:28:23.436 INFO [stderr]   |
Dec 12 07:28:23.436 INFO [stderr] 9 | use failure::Error;
Dec 12 07:28:23.437 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 12 07:28:23.437 INFO [stderr] 
Dec 12 07:28:23.480 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
Dec 12 07:28:23.490 INFO [stderr] su: No module specific data is present
Dec 12 07:28:23.930 INFO running `"docker" "inspect" "241d981cf2b5c4e9d00789c03013c1d3f712c90adcf3cf85080496fe90ee32eb"`
Dec 12 07:28:24.062 INFO running `"docker" "rm" "-f" "241d981cf2b5c4e9d00789c03013c1d3f712c90adcf3cf85080496fe90ee32eb"`
Dec 12 07:28:24.259 INFO [stdout] 241d981cf2b5c4e9d00789c03013c1d3f712c90adcf3cf85080496fe90ee32eb