Dec 05 12:02:51.903 INFO checking http-file-headers-0.1.8 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 12:02:51.903 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 12:02:52.438 INFO [stdout] e0df7706637225d8da65e2a8ec399c54310140e3b408bfbb54705257906f0fef
Dec 05 12:02:52.443 INFO running `"docker" "start" "-a" "e0df7706637225d8da65e2a8ec399c54310140e3b408bfbb54705257906f0fef"`
Dec 05 12:02:53.531 INFO [stderr] usermod: no changes
Dec 05 12:02:53.839 INFO [stderr]     Checking digest-writer v0.3.1
Dec 05 12:02:53.839 INFO [stderr]     Checking tk-sendfile v0.4.0
Dec 05 12:02:54.760 INFO [stderr]     Checking http-file-headers v0.1.8 (/source)
Dec 05 12:02:57.397 INFO [stderr] warning: unused import: `Digest`
Dec 05 12:02:57.397 INFO [stderr]  --> src/etag.rs:7:23
Dec 05 12:02:57.397 INFO [stderr]   |
Dec 05 12:02:57.397 INFO [stderr] 7 | use blake2::{Blake2b, Digest, digest::VariableOutput};
Dec 05 12:02:57.397 INFO [stderr]   |                       ^^^^^^
Dec 05 12:02:57.397 INFO [stderr]   |
Dec 05 12:02:57.397 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 12:02:57.397 INFO [stderr] 
Dec 05 12:02:57.539 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 12:02:57.539 INFO [stderr]   --> src/etag.rs:34:9
Dec 05 12:02:57.539 INFO [stderr]    |
Dec 05 12:02:57.539 INFO [stderr] 34 |         digest.variable_result(&mut value[..]);
Dec 05 12:02:57.539 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:02:57.539 INFO [stderr]    |
Dec 05 12:02:57.539 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 12:02:57.539 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 12:02:57.539 INFO [stderr] 
Dec 05 12:02:59.619 INFO [stderr]     Checking tk-http v0.3.9
Dec 05 12:03:07.735 INFO [stderr] warning: unused import: `Digest`
Dec 05 12:03:07.735 INFO [stderr]  --> src/etag.rs:7:23
Dec 05 12:03:07.735 INFO [stderr]   |
Dec 05 12:03:07.735 INFO [stderr] 7 | use blake2::{Blake2b, Digest, digest::VariableOutput};
Dec 05 12:03:07.735 INFO [stderr]   |                       ^^^^^^
Dec 05 12:03:07.735 INFO [stderr]   |
Dec 05 12:03:07.735 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 12:03:07.735 INFO [stderr] 
Dec 05 12:03:07.988 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 12:03:07.988 INFO [stderr]   --> src/etag.rs:34:9
Dec 05 12:03:07.988 INFO [stderr]    |
Dec 05 12:03:07.988 INFO [stderr] 34 |         digest.variable_result(&mut value[..]);
Dec 05 12:03:07.988 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:03:07.988 INFO [stderr]    |
Dec 05 12:03:07.988 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 12:03:07.988 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 12:03:07.988 INFO [stderr] 
Dec 05 12:03:11.927 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.33s
Dec 05 12:03:11.947 INFO [stderr] su: No module specific data is present
Dec 05 12:03:13.109 INFO running `"docker" "inspect" "e0df7706637225d8da65e2a8ec399c54310140e3b408bfbb54705257906f0fef"`
Dec 05 12:03:13.469 INFO running `"docker" "rm" "-f" "e0df7706637225d8da65e2a8ec399c54310140e3b408bfbb54705257906f0fef"`
Dec 05 12:03:13.863 INFO [stdout] e0df7706637225d8da65e2a8ec399c54310140e3b408bfbb54705257906f0fef