Dec 17 20:03:58.043 INFO checking maseb/knave against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 20:03:58.043 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/maseb/knave:/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 17 20:03:58.521 INFO [stdout] 5a6bbef4a7eae2220ae7e8988e1153f8f55396f14ecd4a5e86a5a51a5a4a5e17
Dec 17 20:03:58.526 INFO running `"docker" "start" "-a" "5a6bbef4a7eae2220ae7e8988e1153f8f55396f14ecd4a5e86a5a51a5a4a5e17"`
Dec 17 20:04:00.626 INFO [stderr]     Checking hostname v0.1.5
Dec 17 20:04:00.632 INFO [stderr]    Compiling proc-macro2 v0.4.5
Dec 17 20:04:00.636 INFO [stderr]    Compiling actix-web v0.6.10
Dec 17 20:04:00.636 INFO [stderr]     Checking mio v0.6.14
Dec 17 20:04:00.636 INFO [stderr]     Checking parking_lot_core v0.2.14
Dec 17 20:04:00.636 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 17 20:04:00.636 INFO [stderr]    Compiling tempdir v0.3.7
Dec 17 20:04:00.636 INFO [stderr]    Compiling rand v0.3.22
Dec 17 20:04:01.192 INFO [stderr]    Compiling backtrace-sys v0.1.23
Dec 17 20:04:01.560 INFO [stderr]     Checking brotli-sys v0.3.2
Dec 17 20:04:01.968 INFO [stderr]     Checking tokio-io v0.1.6
Dec 17 20:04:02.192 INFO [stderr]     Checking http v0.1.5
Dec 17 20:04:02.518 INFO [stderr]    Compiling semver v0.9.0
Dec 17 20:04:02.901 INFO [stderr]     Checking resolv-conf v0.6.1
Dec 17 20:04:04.253 INFO [stderr]     Checking regex v1.0.0
Dec 17 20:04:10.916 INFO [stderr]    Compiling actix_derive v0.2.0
Dec 17 20:04:10.951 INFO [stderr]     Checking flate2 v1.0.1
Dec 17 20:04:10.971 INFO [stderr]     Checking parking_lot v0.5.5
Dec 17 20:04:11.006 INFO [stderr]    Compiling backtrace v0.3.8
Dec 17 20:04:11.168 INFO [stderr]     Checking brotli2 v0.3.2
Dec 17 20:04:12.259 INFO [stderr]     Checking tokio-threadpool v0.1.3
Dec 17 20:04:14.348 INFO [stderr]     Checking backtrace v0.2.3
Dec 17 20:04:16.644 INFO [stderr]     Checking serde_urlencoded v0.5.2
Dec 17 20:04:16.677 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Dec 17 20:04:17.020 INFO [stderr]    Compiling quote v0.6.3
Dec 17 20:04:20.828 INFO [stderr]     Checking tokio-reactor v0.1.1
Dec 17 20:04:20.838 INFO [stderr]     Checking mio-uds v0.6.6
Dec 17 20:04:20.999 INFO [stderr]     Checking crossbeam-channel v0.1.3
Dec 17 20:04:21.053 INFO [stderr]     Checking failure v0.1.1
Dec 17 20:04:21.068 INFO [stderr]     Checking error-chain v0.1.12
Dec 17 20:04:21.429 INFO [stderr]    Compiling error-chain v0.11.0
Dec 17 20:04:21.736 INFO [stderr]    Compiling rayon-core v1.4.0
Dec 17 20:04:22.935 INFO [stderr]     Checking tokio-fs v0.1.0
Dec 17 20:04:23.511 INFO [stderr]    Compiling syn v0.14.2
Dec 17 20:04:24.060 INFO [stderr]     Checking h2 v0.1.9
Dec 17 20:04:25.864 INFO [stderr]     Checking tokio-udp v0.1.0
Dec 17 20:04:25.926 INFO [stderr]     Checking tokio-tcp v0.1.0
Dec 17 20:04:28.522 INFO [stderr]     Checking tokio v0.1.6
Dec 17 20:04:28.862 INFO [stderr]    Compiling rayon v0.8.2
Dec 17 20:04:30.700 INFO [stderr]     Checking tokio-core v0.1.17
Dec 17 20:04:33.332 INFO [stderr]     Checking trust-dns-proto v0.3.3
Dec 17 20:04:33.332 INFO [stderr]     Checking tokio-signal v0.1.5
Dec 17 20:04:34.603 INFO [stderr]    Compiling ring v0.12.1
Dec 17 20:04:43.768 INFO [stderr]     Checking trust-dns-resolver v0.8.2
Dec 17 20:04:45.580 INFO [stderr]    Compiling serde_derive v1.0.66
Dec 17 20:04:48.500 INFO [stderr]     Checking cookie v0.10.1
Dec 17 20:04:58.847 INFO [stderr]    Compiling cargo_metadata v0.5.5
Dec 17 20:05:01.378 INFO [stderr]    Compiling skeptic v0.13.3
Dec 17 20:05:03.891 INFO [stderr]    Compiling actix v0.5.7
Dec 17 20:05:15.600 INFO [stderr]     Checking knave v0.1.0 (/opt/crater/workdir)
Dec 17 20:05:16.620 INFO [stderr] warning: unused import: `future`
Dec 17 20:05:16.620 INFO [stderr]  --> src/main.rs:4:15
Dec 17 20:05:16.620 INFO [stderr]   |
Dec 17 20:05:16.620 INFO [stderr] 4 | use futures::{future, Future};
Dec 17 20:05:16.620 INFO [stderr]   |               ^^^^^^
Dec 17 20:05:16.620 INFO [stderr]   |
Dec 17 20:05:16.620 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:05:16.620 INFO [stderr] 
Dec 17 20:05:16.701 INFO [stderr] warning: unused import: `future`
Dec 17 20:05:16.701 INFO [stderr]  --> src/main.rs:4:15
Dec 17 20:05:16.701 INFO [stderr]   |
Dec 17 20:05:16.701 INFO [stderr] 4 | use futures::{future, Future};
Dec 17 20:05:16.701 INFO [stderr]   |               ^^^^^^
Dec 17 20:05:16.701 INFO [stderr]   |
Dec 17 20:05:16.701 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:05:16.701 INFO [stderr] 
Dec 17 20:05:16.802 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
Dec 17 20:05:17.582 INFO running `"docker" "inspect" "5a6bbef4a7eae2220ae7e8988e1153f8f55396f14ecd4a5e86a5a51a5a4a5e17"`
Dec 17 20:05:17.908 INFO running `"docker" "rm" "-f" "5a6bbef4a7eae2220ae7e8988e1153f8f55396f14ecd4a5e86a5a51a5a4a5e17"`
Dec 17 20:05:18.336 INFO [stdout] 5a6bbef4a7eae2220ae7e8988e1153f8f55396f14ecd4a5e86a5a51a5a4a5e17