Dec 19 12:16:35.540 INFO checking mskwarek/rustchain against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 12:16:35.541 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/mskwarek/rustchain:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:16:35.792 INFO [stdout] 4b7f28c56ef0dcfec7138eb1c03d9ba358026fea4d4c8cbdfc95e327d34811e3
Dec 19 12:16:35.811 INFO running `"docker" "start" "-a" "4b7f28c56ef0dcfec7138eb1c03d9ba358026fea4d4c8cbdfc95e327d34811e3"`
Dec 19 12:16:36.708 INFO [stderr]     Checking serde v1.0.55
Dec 19 12:16:36.708 INFO [stderr]     Checking atty v0.2.10
Dec 19 12:16:36.708 INFO [stderr]     Checking log v0.4.5
Dec 19 12:16:36.708 INFO [stderr]     Checking net2 v0.2.32
Dec 19 12:16:36.712 INFO [stderr]     Checking bytes v0.4.10
Dec 19 12:16:36.712 INFO [stderr]     Checking futures-cpupool v0.1.8
Dec 19 12:16:36.712 INFO [stderr]     Checking aho-corasick v0.6.4
Dec 19 12:16:36.712 INFO [stderr]     Checking uuid v0.6.3
Dec 19 12:16:37.160 INFO [stderr]     Checking crossbeam-epoch v0.5.2
Dec 19 12:16:37.268 INFO [stderr]     Checking tokio-current-thread v0.1.1
Dec 19 12:16:37.409 INFO [stderr]     Checking tokio-timer v0.2.6
Dec 19 12:16:38.482 INFO [stderr]     Checking want v0.0.6
Dec 19 12:16:38.635 INFO [stderr]    Compiling syn v0.13.10
Dec 19 12:16:38.752 INFO [stderr]     Checking url v1.7.0
Dec 19 12:16:38.816 INFO [stderr]     Checking rust-crypto v0.2.36
Dec 19 12:16:39.224 INFO [stderr]     Checking mio v0.6.14
Dec 19 12:16:39.292 INFO [stderr]     Checking tokio-io v0.1.8
Dec 19 12:16:39.304 INFO [stderr]     Checking http v0.1.13
Dec 19 12:16:39.319 INFO [stderr]     Checking regex v1.0.0
Dec 19 12:16:41.272 INFO [stderr]     Checking crossbeam-deque v0.6.1
Dec 19 12:16:42.328 INFO [stderr]     Checking mio-uds v0.6.7
Dec 19 12:16:42.499 INFO [stderr]     Checking tokio-threadpool v0.1.6
Dec 19 12:16:42.952 INFO [stderr]     Checking tokio-reactor v0.1.1
Dec 19 12:16:43.845 INFO [stderr]     Checking tokio-codec v0.1.0
Dec 19 12:16:44.537 INFO [stderr]     Checking tokio-udp v0.1.0
Dec 19 12:16:44.568 INFO [stderr]     Checking tokio-tcp v0.1.0
Dec 19 12:16:45.168 INFO [stderr]     Checking tokio-uds v0.2.1
Dec 19 12:16:45.244 INFO [stderr]     Checking env_logger v0.5.10
Dec 19 12:16:45.700 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 19 12:16:46.400 INFO [stderr]     Checking h2 v0.1.12
Dec 19 12:16:46.624 INFO [stderr]     Checking tokio v0.1.8
Dec 19 12:16:46.782 INFO [stderr]     Checking pretty_env_logger v0.2.4
Dec 19 12:16:50.846 INFO [stderr]    Compiling serde_derive v1.0.55
Dec 19 12:16:54.236 INFO [stderr]     Checking hyper v0.12.10
Dec 19 12:16:54.560 INFO [stderr]     Checking serde_json v1.0.17
Dec 19 12:17:05.624 INFO [stderr]     Checking rustchain v0.1.0 (/opt/crater/workdir)
Dec 19 12:17:06.990 INFO [stderr] warning: unused variable: `error`
Dec 19 12:17:06.990 INFO [stderr]    --> src/main.rs:190:13
Dec 19 12:17:06.990 INFO [stderr]     |
Dec 19 12:17:06.990 INFO [stderr] 190 |         Err(error) => {
Dec 19 12:17:06.990 INFO [stderr]     |             ^^^^^ help: consider using `_error` instead
Dec 19 12:17:06.990 INFO [stderr]     |
Dec 19 12:17:06.990 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 12:17:06.990 INFO [stderr] 
Dec 19 12:17:06.990 INFO [stderr] warning: unused variable: `error`
Dec 19 12:17:06.990 INFO [stderr]    --> src/main.rs:190:13
Dec 19 12:17:06.990 INFO [stderr]     |
Dec 19 12:17:06.990 INFO [stderr] 190 |         Err(error) => {
Dec 19 12:17:06.990 INFO [stderr]     |             ^^^^^ help: consider using `_error` instead
Dec 19 12:17:06.990 INFO [stderr]     |
Dec 19 12:17:06.990 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 12:17:06.990 INFO [stderr] 
Dec 19 12:17:07.236 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.67s
Dec 19 12:17:07.880 INFO running `"docker" "inspect" "4b7f28c56ef0dcfec7138eb1c03d9ba358026fea4d4c8cbdfc95e327d34811e3"`
Dec 19 12:17:08.169 INFO running `"docker" "rm" "-f" "4b7f28c56ef0dcfec7138eb1c03d9ba358026fea4d4c8cbdfc95e327d34811e3"`
Dec 19 12:17:08.437 INFO [stdout] 4b7f28c56ef0dcfec7138eb1c03d9ba358026fea4d4c8cbdfc95e327d34811e3