Dec 18 12:17:13.596 INFO checking rix-0.3.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 12:17:13.596 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/rix/0.3.0:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 12:17:14.006 INFO [stdout] 0f136cd5b327239fbbfcd3adec4260a8b4cc237ace36ac8d7886c5833e1e3fd7
Dec 18 12:17:14.008 INFO running `"docker" "start" "-a" "0f136cd5b327239fbbfcd3adec4260a8b4cc237ace36ac8d7886c5833e1e3fd7"`
Dec 18 12:17:16.776 INFO [stderr]     Checking rix v0.3.0 (/opt/crater/workdir)
Dec 18 12:17:19.196 INFO [stderr] warning: unused import: `error`
Dec 18 12:17:19.196 INFO [stderr]  --> src/client/sync.rs:6:5
Dec 18 12:17:19.196 INFO [stderr]   |
Dec 18 12:17:19.196 INFO [stderr] 6 | use error;
Dec 18 12:17:19.196 INFO [stderr]   |     ^^^^^
Dec 18 12:17:19.196 INFO [stderr]   |
Dec 18 12:17:19.196 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 12:17:19.196 INFO [stderr] 
Dec 18 12:17:19.196 INFO [stderr] warning: unused import: `serde_json`
Dec 18 12:17:19.196 INFO [stderr]  --> src/client/message.rs:3:5
Dec 18 12:17:19.196 INFO [stderr]   |
Dec 18 12:17:19.196 INFO [stderr] 3 | use serde_json;
Dec 18 12:17:19.196 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 12:17:19.196 INFO [stderr] 
Dec 18 12:17:19.196 INFO [stderr] warning: unused import: `std`
Dec 18 12:17:19.196 INFO [stderr]  --> src/client/message.rs:7:5
Dec 18 12:17:19.196 INFO [stderr]   |
Dec 18 12:17:19.196 INFO [stderr] 7 | use std;
Dec 18 12:17:19.196 INFO [stderr]   |     ^^^
Dec 18 12:17:19.196 INFO [stderr] 
Dec 18 12:17:19.196 INFO [stderr] warning: unused import: `error`
Dec 18 12:17:19.196 INFO [stderr]  --> src/client/message.rs:8:5
Dec 18 12:17:19.196 INFO [stderr]   |
Dec 18 12:17:19.196 INFO [stderr] 8 | use error;
Dec 18 12:17:19.196 INFO [stderr]   |     ^^^^^
Dec 18 12:17:19.196 INFO [stderr] 
Dec 18 12:17:19.292 INFO [stderr] warning: unused import: `error`
Dec 18 12:17:19.292 INFO [stderr]  --> src/client/sync.rs:6:5
Dec 18 12:17:19.292 INFO [stderr]   |
Dec 18 12:17:19.292 INFO [stderr] 6 | use error;
Dec 18 12:17:19.292 INFO [stderr]   |     ^^^^^
Dec 18 12:17:19.292 INFO [stderr]   |
Dec 18 12:17:19.292 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 12:17:19.292 INFO [stderr] 
Dec 18 12:17:19.294 INFO [stderr] warning: unused import: `serde_json`
Dec 18 12:17:19.294 INFO [stderr]  --> src/client/message.rs:3:5
Dec 18 12:17:19.294 INFO [stderr]   |
Dec 18 12:17:19.294 INFO [stderr] 3 | use serde_json;
Dec 18 12:17:19.294 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 12:17:19.294 INFO [stderr] 
Dec 18 12:17:19.294 INFO [stderr] warning: unused import: `std`
Dec 18 12:17:19.294 INFO [stderr]  --> src/client/message.rs:7:5
Dec 18 12:17:19.294 INFO [stderr]   |
Dec 18 12:17:19.294 INFO [stderr] 7 | use std;
Dec 18 12:17:19.294 INFO [stderr]   |     ^^^
Dec 18 12:17:19.294 INFO [stderr] 
Dec 18 12:17:19.294 INFO [stderr] warning: unused import: `error`
Dec 18 12:17:19.295 INFO [stderr]  --> src/client/message.rs:8:5
Dec 18 12:17:19.295 INFO [stderr]   |
Dec 18 12:17:19.295 INFO [stderr] 8 | use error;
Dec 18 12:17:19.295 INFO [stderr]   |     ^^^^^
Dec 18 12:17:19.295 INFO [stderr] 
Dec 18 12:17:19.661 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:17:19.661 INFO [stderr]    --> src/client/sync.rs:103:9
Dec 18 12:17:19.661 INFO [stderr]     |
Dec 18 12:17:19.661 INFO [stderr] 103 |     let mut request = hyper::Request::new(hyper::Method::Get,
Dec 18 12:17:19.661 INFO [stderr]     |         ----^^^^^^^
Dec 18 12:17:19.661 INFO [stderr]     |         |
Dec 18 12:17:19.661 INFO [stderr]     |         help: remove this `mut`
Dec 18 12:17:19.661 INFO [stderr]     |
Dec 18 12:17:19.661 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 12:17:19.661 INFO [stderr] 
Dec 18 12:17:19.661 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:17:19.661 INFO [stderr]    --> src/client/sync.rs:103:9
Dec 18 12:17:19.661 INFO [stderr]     |
Dec 18 12:17:19.661 INFO [stderr] 103 |     let mut request = hyper::Request::new(hyper::Method::Get,
Dec 18 12:17:19.661 INFO [stderr]     |         ----^^^^^^^
Dec 18 12:17:19.661 INFO [stderr]     |         |
Dec 18 12:17:19.661 INFO [stderr]     |         help: remove this `mut`
Dec 18 12:17:19.661 INFO [stderr]     |
Dec 18 12:17:19.661 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 12:17:19.661 INFO [stderr] 
Dec 18 12:17:22.257 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.86s
Dec 18 12:17:22.782 INFO running `"docker" "inspect" "0f136cd5b327239fbbfcd3adec4260a8b4cc237ace36ac8d7886c5833e1e3fd7"`
Dec 18 12:17:22.952 INFO running `"docker" "rm" "-f" "0f136cd5b327239fbbfcd3adec4260a8b4cc237ace36ac8d7886c5833e1e3fd7"`
Dec 18 12:17:23.083 INFO [stdout] 0f136cd5b327239fbbfcd3adec4260a8b4cc237ace36ac8d7886c5833e1e3fd7