Dec 12 13:08:55.762 INFO checking http-file-headers-0.1.8 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 13:08:55.762 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 13:08:56.290 INFO [stdout] dbb11c83020e73c0ad1915ff18a3dc7bf88075cb9be4a4be4bc41e9bd8a68fce
Dec 12 13:08:56.292 INFO running `"docker" "start" "-a" "dbb11c83020e73c0ad1915ff18a3dc7bf88075cb9be4a4be4bc41e9bd8a68fce"`
Dec 12 13:08:57.524 INFO [stderr] usermod: no changes
Dec 12 13:08:57.784 INFO [stderr]     Checking digest-writer v0.3.1
Dec 12 13:08:57.840 INFO [stderr]     Checking tk-http v0.3.9
Dec 12 13:08:58.820 INFO [stderr]     Checking http-file-headers v0.1.8 (/source)
Dec 12 13:09:01.000 INFO [stderr] warning: unused import: `Digest`
Dec 12 13:09:01.000 INFO [stderr]  --> src/etag.rs:7:23
Dec 12 13:09:01.000 INFO [stderr]   |
Dec 12 13:09:01.000 INFO [stderr] 7 | use blake2::{Blake2b, Digest, digest::VariableOutput};
Dec 12 13:09:01.000 INFO [stderr]   |                       ^^^^^^
Dec 12 13:09:01.000 INFO [stderr]   |
Dec 12 13:09:01.000 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 13:09:01.000 INFO [stderr] 
Dec 12 13:09:01.193 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 13:09:01.193 INFO [stderr]   --> src/etag.rs:34:9
Dec 12 13:09:01.193 INFO [stderr]    |
Dec 12 13:09:01.193 INFO [stderr] 34 |         digest.variable_result(&mut value[..]);
Dec 12 13:09:01.193 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 13:09:01.193 INFO [stderr]    |
Dec 12 13:09:01.193 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 13:09:01.193 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 13:09:01.193 INFO [stderr] 
Dec 12 13:09:07.064 INFO [stderr] warning: unused import: `Digest`
Dec 12 13:09:07.064 INFO [stderr]  --> src/etag.rs:7:23
Dec 12 13:09:07.064 INFO [stderr]   |
Dec 12 13:09:07.064 INFO [stderr] 7 | use blake2::{Blake2b, Digest, digest::VariableOutput};
Dec 12 13:09:07.064 INFO [stderr]   |                       ^^^^^^
Dec 12 13:09:07.064 INFO [stderr]   |
Dec 12 13:09:07.064 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 13:09:07.064 INFO [stderr] 
Dec 12 13:09:07.616 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 13:09:07.616 INFO [stderr]   --> src/etag.rs:34:9
Dec 12 13:09:07.616 INFO [stderr]    |
Dec 12 13:09:07.616 INFO [stderr] 34 |         digest.variable_result(&mut value[..]);
Dec 12 13:09:07.616 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 13:09:07.616 INFO [stderr]    |
Dec 12 13:09:07.616 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 13:09:07.616 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 13:09:07.616 INFO [stderr] 
Dec 12 13:09:11.436 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.87s
Dec 12 13:09:11.440 INFO [stderr] su: No module specific data is present
Dec 12 13:09:12.207 INFO running `"docker" "inspect" "dbb11c83020e73c0ad1915ff18a3dc7bf88075cb9be4a4be4bc41e9bd8a68fce"`
Dec 12 13:09:12.463 INFO running `"docker" "rm" "-f" "dbb11c83020e73c0ad1915ff18a3dc7bf88075cb9be4a4be4bc41e9bd8a68fce"`
Dec 12 13:09:12.808 INFO [stdout] dbb11c83020e73c0ad1915ff18a3dc7bf88075cb9be4a4be4bc41e9bd8a68fce