[INFO] fetching crate webmachine-rust 0.0.0...
[INFO] extracting crate webmachine-rust 0.0.0 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/webmachine-rust/0.0.0
[INFO] extracting crate webmachine-rust 0.0.0 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/webmachine-rust/0.0.0
[INFO] validating manifest of webmachine-rust-0.0.0 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of webmachine-rust-0.0.0 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-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-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/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-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/webmachine-rust/0.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded p-macro v0.2.0
[INFO] [stderr]   Downloaded expectest v0.5.1
[INFO] [stderr]   Downloaded skeptic v0.4.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking webmachine-rust-0.0.0 against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-3/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b5647c4344338578cb9c6b9e26d4430950bb57ac7d008fe3eba371c894270afe
[INFO] running `"docker" "start" "-a" "b5647c4344338578cb9c6b9e26d4430950bb57ac7d008fe3eba371c894270afe"`
[INFO] [stderr]     Checking p-macro v0.2.0
[INFO] [stderr]     Checking maplit v0.1.6
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]     Checking hyper v0.9.18
[INFO] [stderr]    Compiling skeptic v0.4.0
[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 15.63s
[INFO] running `"docker" "inspect" "b5647c4344338578cb9c6b9e26d4430950bb57ac7d008fe3eba371c894270afe"`
[INFO] running `"docker" "rm" "-f" "b5647c4344338578cb9c6b9e26d4430950bb57ac7d008fe3eba371c894270afe"`
[INFO] [stdout] b5647c4344338578cb9c6b9e26d4430950bb57ac7d008fe3eba371c894270afe