Oct 13 13:41:23.552 INFO checking http-file-headers-0.1.8 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 13:41:23.553 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 13:41:24.068 INFO blam! 41c72e350efeaddfadc0f44f884fead8fb0a182eb521c0902ca9f29062e2bee8
Oct 13 13:41:24.070 INFO running `"docker" "start" "-a" "41c72e350efeaddfadc0f44f884fead8fb0a182eb521c0902ca9f29062e2bee8"`
Oct 13 13:41:26.044 INFO kablam! usermod: no changes
Oct 13 13:41:26.252 INFO kablam!     Checking tk-bufstream v0.3.0
Oct 13 13:41:26.260 INFO kablam!     Checking digest-writer v0.3.1
Oct 13 13:41:26.260 INFO kablam!     Checking tk-sendfile v0.4.0
Oct 13 13:41:26.260 INFO kablam!     Checking tk-listen v0.1.1
Oct 13 13:41:29.165 INFO kablam!     Checking http-file-headers v0.1.8 (/source)
Oct 13 13:41:33.477 INFO kablam! warning: unused import: `Digest`
Oct 13 13:41:33.477 INFO kablam!  --> src/etag.rs:7:23
Oct 13 13:41:33.477 INFO kablam!   |
Oct 13 13:41:33.478 INFO kablam! 7 | use blake2::{Blake2b, Digest, digest::VariableOutput};
Oct 13 13:41:33.478 INFO kablam!   |                       ^^^^^^
Oct 13 13:41:33.478 INFO kablam!   |
Oct 13 13:41:33.479 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 13:41:33.479 INFO kablam! 
Oct 13 13:41:33.757 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 13:41:33.757 INFO kablam!   --> src/etag.rs:34:9
Oct 13 13:41:33.757 INFO kablam!    |
Oct 13 13:41:33.757 INFO kablam! 34 |         digest.variable_result(&mut value[..]);
Oct 13 13:41:33.758 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 13:41:33.758 INFO kablam!    |
Oct 13 13:41:33.758 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 13:41:33.759 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 13:41:33.759 INFO kablam! 
Oct 13 13:41:35.464 INFO kablam!     Checking tk-http v0.3.9
Oct 13 13:41:43.430 INFO kablam! warning: unused import: `Digest`
Oct 13 13:41:43.430 INFO kablam!  --> src/etag.rs:7:23
Oct 13 13:41:43.430 INFO kablam!   |
Oct 13 13:41:43.430 INFO kablam! 7 | use blake2::{Blake2b, Digest, digest::VariableOutput};
Oct 13 13:41:43.430 INFO kablam!   |                       ^^^^^^
Oct 13 13:41:43.430 INFO kablam!   |
Oct 13 13:41:43.430 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 13:41:43.430 INFO kablam! 
Oct 13 13:41:43.622 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 13:41:43.622 INFO kablam!   --> src/etag.rs:34:9
Oct 13 13:41:43.623 INFO kablam!    |
Oct 13 13:41:43.623 INFO kablam! 34 |         digest.variable_result(&mut value[..]);
Oct 13 13:41:43.623 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 13:41:43.623 INFO kablam!    |
Oct 13 13:41:43.623 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 13:41:43.623 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 13:41:43.623 INFO kablam! 
Oct 13 13:41:47.078 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 21.01s
Oct 13 13:41:47.096 INFO kablam! su: No module specific data is present
Oct 13 13:41:47.953 INFO running `"docker" "rm" "-f" "41c72e350efeaddfadc0f44f884fead8fb0a182eb521c0902ca9f29062e2bee8"`
Oct 13 13:41:48.184 INFO blam! 41c72e350efeaddfadc0f44f884fead8fb0a182eb521c0902ca9f29062e2bee8