Dec 19 10:18:07.413 INFO checking remexre/flubber against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:18:07.413 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/remexre/flubber:/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 10:18:07.944 INFO [stdout] a91f865f3acf97ffd328a8bac11ae98864337d09a01cbb3b7b696c3206dc6aa5
Dec 19 10:18:07.946 INFO running `"docker" "start" "-a" "a91f865f3acf97ffd328a8bac11ae98864337d09a01cbb3b7b696c3206dc6aa5"`
Dec 19 10:18:10.648 INFO [stderr]    Compiling openssl v0.9.17
Dec 19 10:18:10.657 INFO [stderr]     Checking try_opt v0.1.1
Dec 19 10:18:10.658 INFO [stderr]    Compiling backtrace-sys v0.1.12
Dec 19 10:18:10.658 INFO [stderr]    Compiling openssl-sys v0.9.17
Dec 19 10:18:10.658 INFO [stderr]     Checking iovec v0.1.0
Dec 19 10:18:10.658 INFO [stderr]     Checking term_size v0.3.0
Dec 19 10:18:10.658 INFO [stderr]     Checking isatty v0.1.3
Dec 19 10:18:10.658 INFO [stderr]     Checking atty v0.2.2
Dec 19 10:18:11.650 INFO [stderr]     Checking net2 v0.2.31
Dec 19 10:18:11.669 INFO [stderr]     Checking tokio-timer v0.1.2
Dec 19 10:18:11.822 INFO [stderr]     Checking toml v0.4.5
Dec 19 10:18:12.074 INFO [stderr]     Checking pretty_logger v0.1.7
Dec 19 10:18:12.146 INFO [stderr]     Checking textwrap v0.8.0
Dec 19 10:18:14.269 INFO [stderr]     Checking bytes v0.4.5
Dec 19 10:18:15.665 INFO [stderr]     Checking chrono v0.4.0
Dec 19 10:18:15.673 INFO [stderr]     Checking clap v2.26.2
Dec 19 10:18:15.682 INFO [stderr]     Checking mio v0.6.10
Dec 19 10:18:15.718 INFO [stderr]    Compiling serde_derive v1.0.15
Dec 19 10:18:18.448 INFO [stderr]     Checking tokio-io v0.1.3
Dec 19 10:18:23.832 INFO [stderr]     Checking tokio-core v0.1.9
Dec 19 10:18:23.832 INFO [stderr]     Checking tokio-mockstream v1.1.0
Dec 19 10:18:28.153 INFO [stderr]     Checking native-tls v0.1.4
Dec 19 10:18:28.879 INFO [stderr]     Checking tokio-tls v0.1.3
Dec 19 10:18:42.506 INFO [stderr]     Checking backtrace v0.3.3
Dec 19 10:18:43.018 INFO [stderr]     Checking error-chain v0.10.0
Dec 19 10:18:43.019 INFO [stderr]     Checking error-chain v0.11.0
Dec 19 10:18:43.723 INFO [stderr]     Checking irc v0.12.4
Dec 19 10:18:46.317 INFO [stderr]     Checking flubber v0.1.0 (/opt/crater/workdir)
Dec 19 10:18:47.020 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 10:18:47.020 INFO [stderr]  --> src/lib.rs:8:1
Dec 19 10:18:47.020 INFO [stderr]   |
Dec 19 10:18:47.020 INFO [stderr] 8 | #[macro_use]
Dec 19 10:18:47.021 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 10:18:47.021 INFO [stderr]   |
Dec 19 10:18:47.021 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 10:18:47.021 INFO [stderr] 
Dec 19 10:18:48.681 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.28s
Dec 19 10:18:49.508 INFO running `"docker" "inspect" "a91f865f3acf97ffd328a8bac11ae98864337d09a01cbb3b7b696c3206dc6aa5"`
Dec 19 10:18:49.830 INFO running `"docker" "rm" "-f" "a91f865f3acf97ffd328a8bac11ae98864337d09a01cbb3b7b696c3206dc6aa5"`
Dec 19 10:18:50.063 INFO [stdout] a91f865f3acf97ffd328a8bac11ae98864337d09a01cbb3b7b696c3206dc6aa5