Dec 19 16:21:23.609 INFO checking gsnewmark/hltb against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:21:23.609 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/gsnewmark/hltb:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:21:24.039 INFO [stdout] 21818d264d1567abe2111c90e115cc005bd2372a05dcec3a0e2af4401f341b49
Dec 19 16:21:24.041 INFO running `"docker" "start" "-a" "21818d264d1567abe2111c90e115cc005bd2372a05dcec3a0e2af4401f341b49"`
Dec 19 16:21:25.439 INFO [stderr]     Checking serde v1.0.53
Dec 19 16:21:25.445 INFO [stderr]     Checking crossbeam-utils v0.3.2
Dec 19 16:21:25.462 INFO [stderr]    Compiling syn v0.13.4
Dec 19 16:21:25.463 INFO [stderr]     Checking failure v0.1.1
Dec 19 16:21:25.907 INFO [stderr]     Checking crossbeam-epoch v0.4.1
Dec 19 16:21:26.625 INFO [stderr]     Checking crossbeam-deque v0.3.1
Dec 19 16:21:27.124 INFO [stderr]     Checking tokio-threadpool v0.1.3
Dec 19 16:21:28.523 INFO [stderr]     Checking tokio-fs v0.1.0
Dec 19 16:21:29.033 INFO [stderr]     Checking tokio v0.1.6
Dec 19 16:21:30.126 INFO [stderr]     Checking tokio-core v0.1.17
Dec 19 16:21:31.936 INFO [stderr]    Compiling structopt-derive v0.2.8
Dec 19 16:21:32.577 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 19 16:21:32.577 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 19 16:21:35.309 INFO [stderr]     Checking structopt v0.2.8
Dec 19 16:21:35.650 INFO [stderr]     Checking hyper v0.11.26
Dec 19 16:21:37.625 INFO [stderr]     Checking serde_json v1.0.17
Dec 19 16:21:37.625 INFO [stderr]     Checking serde_urlencoded v0.5.1
Dec 19 16:21:40.402 INFO [stderr]     Checking hyper-tls v0.1.3
Dec 19 16:21:41.055 INFO [stderr]     Checking reqwest v0.8.5
Dec 19 16:21:42.396 INFO [stderr]     Checking hltb v0.1.0 (/opt/crater/workdir)
Dec 19 16:21:43.476 INFO [stderr] warning: unused variable: `opt`
Dec 19 16:21:43.476 INFO [stderr]   --> src/lib.rs:21:12
Dec 19 16:21:43.476 INFO [stderr]    |
Dec 19 16:21:43.476 INFO [stderr] 21 | pub fn run(opt: &Opt) -> Result<reqwest::Response, Error> {
Dec 19 16:21:43.476 INFO [stderr]    |            ^^^ help: consider using `_opt` instead
Dec 19 16:21:43.476 INFO [stderr]    |
Dec 19 16:21:43.476 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 16:21:43.476 INFO [stderr] 
Dec 19 16:21:43.521 INFO [stderr] warning: unused variable: `opt`
Dec 19 16:21:43.521 INFO [stderr]   --> src/lib.rs:21:12
Dec 19 16:21:43.521 INFO [stderr]    |
Dec 19 16:21:43.521 INFO [stderr] 21 | pub fn run(opt: &Opt) -> Result<reqwest::Response, Error> {
Dec 19 16:21:43.521 INFO [stderr]    |            ^^^ help: consider using `_opt` instead
Dec 19 16:21:43.521 INFO [stderr]    |
Dec 19 16:21:43.521 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 16:21:43.521 INFO [stderr] 
Dec 19 16:21:44.550 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.44s
Dec 19 16:21:44.929 INFO running `"docker" "inspect" "21818d264d1567abe2111c90e115cc005bd2372a05dcec3a0e2af4401f341b49"`
Dec 19 16:21:45.034 INFO running `"docker" "rm" "-f" "21818d264d1567abe2111c90e115cc005bd2372a05dcec3a0e2af4401f341b49"`
Dec 19 16:21:45.130 INFO [stdout] 21818d264d1567abe2111c90e115cc005bd2372a05dcec3a0e2af4401f341b49