[INFO] crate webmachine-rust 0.0.0 is already in cache
[INFO] extracting crate webmachine-rust 0.0.0 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/webmachine-rust/0.0.0
[INFO] extracting crate webmachine-rust 0.0.0 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/webmachine-rust/0.0.0
[INFO] validating manifest of webmachine-rust-0.0.0 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of webmachine-rust-0.0.0 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing webmachine-rust-0.0.0
[INFO] finished frobbing webmachine-rust-0.0.0
[INFO] frobbed toml for webmachine-rust-0.0.0 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/webmachine-rust/0.0.0/Cargo.toml
[INFO] started frobbing webmachine-rust-0.0.0
[INFO] finished frobbing webmachine-rust-0.0.0
[INFO] frobbed toml for webmachine-rust-0.0.0 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/webmachine-rust/0.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking webmachine-rust-0.0.0 against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-1/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 56d485266275b15cb220613777f878be9a3dca0252aac43dd9105130e48904fc
[INFO] running `"docker" "start" "-a" "56d485266275b15cb220613777f878be9a3dca0252aac43dd9105130e48904fc"`
[INFO] [stderr]     Checking p-macro v0.2.0
[INFO] [stderr]     Checking hyper v0.9.18
[INFO] [stderr]    Compiling expectest v0.5.1
[INFO] [stderr]     Checking webmachine-rust v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]    --> src/lib.rs:126:1
[INFO] [stderr]     |
[INFO] [stderr] 126 | #[macro_use] extern crate itertools;
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]    --> src/lib.rs:126:1
[INFO] [stderr]     |
[INFO] [stderr] 126 | #[macro_use] extern crate itertools;
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `headers::*`
[INFO] [stderr]    --> src/context.rs:261:9
[INFO] [stderr]     |
[INFO] [stderr] 261 |     use headers::*;
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::context::*`
[INFO] [stderr]   --> src/tests.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use super::context::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::headers::*`
[INFO] [stderr]   --> src/tests.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use super::headers::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::*`
[INFO] [stderr]   --> src/tests.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use chrono::*;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `headers::*`
[INFO] [stderr]  --> src/content_negotiation_tests.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use headers::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `context::*`
[INFO] [stderr]  --> src/content_negotiation_tests.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use context::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/headers.rs:13:34
[INFO] [stderr]    |
[INFO] [stderr] 13 |     values.into_iter().batching(|mut it| {
[INFO] [stderr]    |                                  ----^^
[INFO] [stderr]    |                                  |
[INFO] [stderr]    |                                  help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/headers.rs:13:34
[INFO] [stderr]    |
[INFO] [stderr] 13 |     values.into_iter().batching(|mut it| {
[INFO] [stderr]    |                                  ----^^
[INFO] [stderr]    |                                  |
[INFO] [stderr]    |                                  help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.19s
[INFO] running `"docker" "inspect" "56d485266275b15cb220613777f878be9a3dca0252aac43dd9105130e48904fc"`
[INFO] running `"docker" "rm" "-f" "56d485266275b15cb220613777f878be9a3dca0252aac43dd9105130e48904fc"`
[INFO] [stdout] 56d485266275b15cb220613777f878be9a3dca0252aac43dd9105130e48904fc