Dec 12 09:01:21.993 INFO checking rix-0.3.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 09:01:21.993 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 09:01:22.386 INFO [stdout] 84fa99a6e666287f97545a24fc97605c272a7bc31fea697da830cc46fc190b7a
Dec 12 09:01:22.388 INFO running `"docker" "start" "-a" "84fa99a6e666287f97545a24fc97605c272a7bc31fea697da830cc46fc190b7a"`
Dec 12 09:01:23.728 INFO [stderr] usermod: no changes
Dec 12 09:01:24.052 INFO [stderr]     Checking rix v0.3.0 (/source)
Dec 12 09:01:31.072 INFO [stderr] warning: unused import: `error`
Dec 12 09:01:31.072 INFO [stderr]  --> src/client/sync.rs:6:5
Dec 12 09:01:31.072 INFO [stderr]   |
Dec 12 09:01:31.072 INFO [stderr] 6 | use error;
Dec 12 09:01:31.072 INFO [stderr]   |     ^^^^^
Dec 12 09:01:31.072 INFO [stderr]   |
Dec 12 09:01:31.072 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 09:01:31.072 INFO [stderr] 
Dec 12 09:01:31.072 INFO [stderr] warning: unused import: `serde_json`
Dec 12 09:01:31.072 INFO [stderr]  --> src/client/message.rs:3:5
Dec 12 09:01:31.072 INFO [stderr]   |
Dec 12 09:01:31.072 INFO [stderr] 3 | use serde_json;
Dec 12 09:01:31.072 INFO [stderr]   |     ^^^^^^^^^^
Dec 12 09:01:31.072 INFO [stderr] 
Dec 12 09:01:31.072 INFO [stderr] warning: unused import: `std`
Dec 12 09:01:31.072 INFO [stderr]  --> src/client/message.rs:7:5
Dec 12 09:01:31.072 INFO [stderr]   |
Dec 12 09:01:31.072 INFO [stderr] 7 | use std;
Dec 12 09:01:31.072 INFO [stderr]   |     ^^^
Dec 12 09:01:31.072 INFO [stderr] 
Dec 12 09:01:31.072 INFO [stderr] warning: unused import: `error`
Dec 12 09:01:31.072 INFO [stderr]  --> src/client/message.rs:8:5
Dec 12 09:01:31.072 INFO [stderr]   |
Dec 12 09:01:31.072 INFO [stderr] 8 | use error;
Dec 12 09:01:31.072 INFO [stderr]   |     ^^^^^
Dec 12 09:01:31.072 INFO [stderr] 
Dec 12 09:01:31.836 INFO [stderr] warning: variable does not need to be mutable
Dec 12 09:01:31.836 INFO [stderr]    --> src/client/sync.rs:103:9
Dec 12 09:01:31.836 INFO [stderr]     |
Dec 12 09:01:31.836 INFO [stderr] 103 |     let mut request = hyper::Request::new(hyper::Method::Get,
Dec 12 09:01:31.836 INFO [stderr]     |         ----^^^^^^^
Dec 12 09:01:31.836 INFO [stderr]     |         |
Dec 12 09:01:31.836 INFO [stderr]     |         help: remove this `mut`
Dec 12 09:01:31.836 INFO [stderr]     |
Dec 12 09:01:31.836 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 09:01:31.836 INFO [stderr] 
Dec 12 09:01:32.176 INFO [stderr] warning: unused import: `error`
Dec 12 09:01:32.176 INFO [stderr]  --> src/client/sync.rs:6:5
Dec 12 09:01:32.176 INFO [stderr]   |
Dec 12 09:01:32.176 INFO [stderr] 6 | use error;
Dec 12 09:01:32.176 INFO [stderr]   |     ^^^^^
Dec 12 09:01:32.176 INFO [stderr]   |
Dec 12 09:01:32.176 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 09:01:32.176 INFO [stderr] 
Dec 12 09:01:32.176 INFO [stderr] warning: unused import: `serde_json`
Dec 12 09:01:32.176 INFO [stderr]  --> src/client/message.rs:3:5
Dec 12 09:01:32.176 INFO [stderr]   |
Dec 12 09:01:32.176 INFO [stderr] 3 | use serde_json;
Dec 12 09:01:32.176 INFO [stderr]   |     ^^^^^^^^^^
Dec 12 09:01:32.176 INFO [stderr] 
Dec 12 09:01:32.176 INFO [stderr] warning: unused import: `std`
Dec 12 09:01:32.176 INFO [stderr]  --> src/client/message.rs:7:5
Dec 12 09:01:32.176 INFO [stderr]   |
Dec 12 09:01:32.176 INFO [stderr] 7 | use std;
Dec 12 09:01:32.176 INFO [stderr]   |     ^^^
Dec 12 09:01:32.176 INFO [stderr] 
Dec 12 09:01:32.176 INFO [stderr] warning: unused import: `error`
Dec 12 09:01:32.176 INFO [stderr]  --> src/client/message.rs:8:5
Dec 12 09:01:32.176 INFO [stderr]   |
Dec 12 09:01:32.176 INFO [stderr] 8 | use error;
Dec 12 09:01:32.176 INFO [stderr]   |     ^^^^^
Dec 12 09:01:32.176 INFO [stderr] 
Dec 12 09:01:32.816 INFO [stderr] warning: variable does not need to be mutable
Dec 12 09:01:32.816 INFO [stderr]    --> src/client/sync.rs:103:9
Dec 12 09:01:32.816 INFO [stderr]     |
Dec 12 09:01:32.816 INFO [stderr] 103 |     let mut request = hyper::Request::new(hyper::Method::Get,
Dec 12 09:01:32.816 INFO [stderr]     |         ----^^^^^^^
Dec 12 09:01:32.816 INFO [stderr]     |         |
Dec 12 09:01:32.816 INFO [stderr]     |         help: remove this `mut`
Dec 12 09:01:32.824 INFO [stderr]     |
Dec 12 09:01:32.824 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 09:01:32.824 INFO [stderr] 
Dec 12 09:01:40.492 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.74s
Dec 12 09:01:40.527 INFO [stderr] su: No module specific data is present
Dec 12 09:01:41.233 INFO running `"docker" "inspect" "84fa99a6e666287f97545a24fc97605c272a7bc31fea697da830cc46fc190b7a"`
Dec 12 09:01:41.324 INFO running `"docker" "rm" "-f" "84fa99a6e666287f97545a24fc97605c272a7bc31fea697da830cc46fc190b7a"`
Dec 12 09:01:41.454 INFO [stdout] 84fa99a6e666287f97545a24fc97605c272a7bc31fea697da830cc46fc190b7a