Dec 12 09:49:01.827 INFO checking print-flat-tree-1.1.3 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 09:49:01.827 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 09:49:02.160 INFO [stdout] c1050cbd8f114157a2d3163bb7ccc0fd108cdfe295e4ae130cd333a376acc388
Dec 12 09:49:02.166 INFO running `"docker" "start" "-a" "c1050cbd8f114157a2d3163bb7ccc0fd108cdfe295e4ae130cd333a376acc388"`
Dec 12 09:49:02.729 INFO [stderr] usermod: no changes
Dec 12 09:49:02.805 INFO [stderr]     Checking flat-tree v3.7.0
Dec 12 09:49:03.392 INFO [stderr]     Checking print-flat-tree v1.1.3 (/source)
Dec 12 09:49:05.712 INFO [stderr] error: unused `#[macro_use]` import
Dec 12 09:49:05.712 INFO [stderr]  --> src/main.rs:4:1
Dec 12 09:49:05.716 INFO [stderr]   |
Dec 12 09:49:05.716 INFO [stderr] 4 | #[macro_use]
Dec 12 09:49:05.716 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 09:49:05.716 INFO [stderr]   |
Dec 12 09:49:05.716 INFO [stderr] note: lint level defined here
Dec 12 09:49:05.716 INFO [stderr]  --> src/main.rs:1:9
Dec 12 09:49:05.716 INFO [stderr]   |
Dec 12 09:49:05.716 INFO [stderr] 1 | #![deny(warnings)]
Dec 12 09:49:05.716 INFO [stderr]   |         ^^^^^^^^
Dec 12 09:49:05.716 INFO [stderr]   = note: #[deny(unused_imports)] implied by #[deny(warnings)]
Dec 12 09:49:05.716 INFO [stderr] 
Dec 12 09:49:05.800 INFO [stderr] error: aborting due to previous error
Dec 12 09:49:05.800 INFO [stderr] 
Dec 12 09:49:05.816 INFO [stderr] error: Could not compile `print-flat-tree`.
Dec 12 09:49:05.816 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 12 09:49:06.000 INFO [stderr] error: unused `#[macro_use]` import
Dec 12 09:49:06.000 INFO [stderr]  --> src/main.rs:4:1
Dec 12 09:49:06.000 INFO [stderr]   |
Dec 12 09:49:06.000 INFO [stderr] 4 | #[macro_use]
Dec 12 09:49:06.000 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 09:49:06.000 INFO [stderr]   |
Dec 12 09:49:06.000 INFO [stderr] note: lint level defined here
Dec 12 09:49:06.000 INFO [stderr]  --> src/main.rs:1:9
Dec 12 09:49:06.000 INFO [stderr]   |
Dec 12 09:49:06.000 INFO [stderr] 1 | #![deny(warnings)]
Dec 12 09:49:06.000 INFO [stderr]   |         ^^^^^^^^
Dec 12 09:49:06.000 INFO [stderr]   = note: #[deny(unused_imports)] implied by #[deny(warnings)]
Dec 12 09:49:06.000 INFO [stderr] 
Dec 12 09:49:06.048 INFO [stderr] error: aborting due to previous error
Dec 12 09:49:06.048 INFO [stderr] 
Dec 12 09:49:06.064 INFO [stderr] error: Could not compile `print-flat-tree`.
Dec 12 09:49:06.064 INFO [stderr] 
Dec 12 09:49:06.064 INFO [stderr] To learn more, run the command again with --verbose.
Dec 12 09:49:06.064 INFO [stderr] su: No module specific data is present
Dec 12 09:49:06.828 INFO running `"docker" "inspect" "c1050cbd8f114157a2d3163bb7ccc0fd108cdfe295e4ae130cd333a376acc388"`
Dec 12 09:49:07.024 INFO running `"docker" "rm" "-f" "c1050cbd8f114157a2d3163bb7ccc0fd108cdfe295e4ae130cd333a376acc388"`
Dec 12 09:49:07.288 INFO [stdout] c1050cbd8f114157a2d3163bb7ccc0fd108cdfe295e4ae130cd333a376acc388