Dec 18 09:20:28.556 INFO checking webmachine-rust-0.0.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 09:20:28.557 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/webmachine-rust/0.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 09:20:28.936 INFO [stdout] e5f1156ae01f58d955dc96719680bb29b6c65e7e056e40145e9a6c687c01bf50
Dec 18 09:20:28.938 INFO running `"docker" "start" "-a" "e5f1156ae01f58d955dc96719680bb29b6c65e7e056e40145e9a6c687c01bf50"`
Dec 18 09:20:30.130 INFO [stderr]     Checking p-macro v0.2.0
Dec 18 09:20:30.131 INFO [stderr]    Compiling rand v0.4.3
Dec 18 09:20:30.131 INFO [stderr]     Checking cookie v0.2.5
Dec 18 09:20:30.132 INFO [stderr]     Checking chrono v0.2.25
Dec 18 09:20:30.618 INFO [stderr]     Checking hyper v0.9.18
Dec 18 09:20:32.888 INFO [stderr]    Compiling tempdir v0.3.7
Dec 18 09:20:33.567 INFO [stderr]    Compiling skeptic v0.4.0
Dec 18 09:20:35.269 INFO [stderr]    Compiling expectest v0.5.1
Dec 18 09:20:35.688 INFO [stderr]     Checking webmachine-rust v0.0.0 (/opt/crater/workdir)
Dec 18 09:20:36.600 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 09:20:36.600 INFO [stderr]    --> src/lib.rs:126:1
Dec 18 09:20:36.600 INFO [stderr]     |
Dec 18 09:20:36.600 INFO [stderr] 126 | #[macro_use] extern crate itertools;
Dec 18 09:20:36.600 INFO [stderr]     | ^^^^^^^^^^^^
Dec 18 09:20:36.600 INFO [stderr]     |
Dec 18 09:20:36.600 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 18 09:20:36.600 INFO [stderr] 
Dec 18 09:20:37.224 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:20:37.224 INFO [stderr]   --> src/headers.rs:13:34
Dec 18 09:20:37.224 INFO [stderr]    |
Dec 18 09:20:37.224 INFO [stderr] 13 |     values.into_iter().batching(|mut it| {
Dec 18 09:20:37.224 INFO [stderr]    |                                  ----^^
Dec 18 09:20:37.224 INFO [stderr]    |                                  |
Dec 18 09:20:37.224 INFO [stderr]    |                                  help: remove this `mut`
Dec 18 09:20:37.224 INFO [stderr]    |
Dec 18 09:20:37.224 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 09:20:37.224 INFO [stderr] 
Dec 18 09:20:37.716 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 09:20:37.716 INFO [stderr]    --> src/lib.rs:126:1
Dec 18 09:20:37.716 INFO [stderr]     |
Dec 18 09:20:37.716 INFO [stderr] 126 | #[macro_use] extern crate itertools;
Dec 18 09:20:37.716 INFO [stderr]     | ^^^^^^^^^^^^
Dec 18 09:20:37.716 INFO [stderr]     |
Dec 18 09:20:37.716 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 18 09:20:37.716 INFO [stderr] 
Dec 18 09:20:37.716 INFO [stderr] warning: unused import: `headers::*`
Dec 18 09:20:37.716 INFO [stderr]    --> src/context.rs:261:9
Dec 18 09:20:37.716 INFO [stderr]     |
Dec 18 09:20:37.716 INFO [stderr] 261 |     use headers::*;
Dec 18 09:20:37.716 INFO [stderr]     |         ^^^^^^^^^^
Dec 18 09:20:37.716 INFO [stderr] 
Dec 18 09:20:37.716 INFO [stderr] warning: unused import: `super::context::*`
Dec 18 09:20:37.716 INFO [stderr]   --> src/tests.rs:10:5
Dec 18 09:20:37.716 INFO [stderr]    |
Dec 18 09:20:37.716 INFO [stderr] 10 | use super::context::*;
Dec 18 09:20:37.717 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 18 09:20:37.717 INFO [stderr] 
Dec 18 09:20:37.717 INFO [stderr] warning: unused import: `super::headers::*`
Dec 18 09:20:37.717 INFO [stderr]   --> src/tests.rs:11:5
Dec 18 09:20:37.717 INFO [stderr]    |
Dec 18 09:20:37.717 INFO [stderr] 11 | use super::headers::*;
Dec 18 09:20:37.717 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 18 09:20:37.717 INFO [stderr] 
Dec 18 09:20:37.717 INFO [stderr] warning: unused import: `chrono::*`
Dec 18 09:20:37.717 INFO [stderr]   --> src/tests.rs:15:5
Dec 18 09:20:37.717 INFO [stderr]    |
Dec 18 09:20:37.717 INFO [stderr] 15 | use chrono::*;
Dec 18 09:20:37.717 INFO [stderr]    |     ^^^^^^^^^
Dec 18 09:20:37.717 INFO [stderr] 
Dec 18 09:20:37.717 INFO [stderr] warning: unused import: `headers::*`
Dec 18 09:20:37.717 INFO [stderr]  --> src/content_negotiation_tests.rs:3:5
Dec 18 09:20:37.717 INFO [stderr]   |
Dec 18 09:20:37.717 INFO [stderr] 3 | use headers::*;
Dec 18 09:20:37.717 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 09:20:37.717 INFO [stderr] 
Dec 18 09:20:37.717 INFO [stderr] warning: unused import: `context::*`
Dec 18 09:20:37.717 INFO [stderr]  --> src/content_negotiation_tests.rs:4:5
Dec 18 09:20:37.717 INFO [stderr]   |
Dec 18 09:20:37.717 INFO [stderr] 4 | use context::*;
Dec 18 09:20:37.717 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 09:20:37.717 INFO [stderr] 
Dec 18 09:20:38.569 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:20:38.569 INFO [stderr]   --> src/headers.rs:13:34
Dec 18 09:20:38.569 INFO [stderr]    |
Dec 18 09:20:38.569 INFO [stderr] 13 |     values.into_iter().batching(|mut it| {
Dec 18 09:20:38.569 INFO [stderr]    |                                  ----^^
Dec 18 09:20:38.569 INFO [stderr]    |                                  |
Dec 18 09:20:38.569 INFO [stderr]    |                                  help: remove this `mut`
Dec 18 09:20:38.569 INFO [stderr]    |
Dec 18 09:20:38.569 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 09:20:38.569 INFO [stderr] 
Dec 18 09:20:38.940 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.90s
Dec 18 09:20:40.120 INFO running `"docker" "inspect" "e5f1156ae01f58d955dc96719680bb29b6c65e7e056e40145e9a6c687c01bf50"`
Dec 18 09:20:40.436 INFO running `"docker" "rm" "-f" "e5f1156ae01f58d955dc96719680bb29b6c65e7e056e40145e9a6c687c01bf50"`
Dec 18 09:20:40.796 INFO [stdout] e5f1156ae01f58d955dc96719680bb29b6c65e7e056e40145e9a6c687c01bf50