Dec 04 16:50:05.914 INFO checking jasonwhite/button-rs against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:50:05.915 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 16:50:06.442 INFO [stdout] c41511f642441c42c6334f54b224e1e3d995fcbd22ce111f1537921248c57cf9
Dec 04 16:50:06.447 INFO running `"docker" "start" "-a" "c41511f642441c42c6334f54b224e1e3d995fcbd22ce111f1537921248c57cf9"`
Dec 04 16:50:07.971 INFO [stderr] usermod: no changes
Dec 04 16:50:08.431 INFO [stderr]     Checking string v0.1.2
Dec 04 16:50:08.431 INFO [stderr]     Checking bit-vec v0.5.0
Dec 04 16:50:08.477 INFO [stderr]     Checking generic-array v0.9.0
Dec 04 16:50:08.480 INFO [stderr]     Checking holyhashmap v0.1.1
Dec 04 16:50:08.480 INFO [stderr]     Checking bincode v1.0.1
Dec 04 16:50:08.482 INFO [stderr]     Checking uuid v0.7.1
Dec 04 16:50:08.483 INFO [stderr]     Checking mio v0.6.16
Dec 04 16:50:08.494 INFO [stderr]     Checking os_pipe v0.8.0
Dec 04 16:50:10.031 INFO [stderr]     Checking nom v4.1.1
Dec 04 16:50:10.103 INFO [stderr]     Checking openssl v0.10.15
Dec 04 16:50:10.403 INFO [stderr]     Checking chrono v0.4.6
Dec 04 16:50:11.360 INFO [stderr]     Checking tokio-io v0.1.10
Dec 04 16:50:11.421 INFO [stderr]     Checking http v0.1.14
Dec 04 16:50:12.139 INFO [stderr]     Checking bit-set v0.5.0
Dec 04 16:50:13.281 INFO [stderr]    Compiling structopt-derive v0.2.13
Dec 04 16:50:14.725 INFO [stderr]     Checking digest v0.7.6
Dec 04 16:50:15.341 INFO [stderr]     Checking crossbeam-channel v0.3.2
Dec 04 16:50:16.061 INFO [stderr]     Checking tokio-threadpool v0.1.9
Dec 04 16:50:17.124 INFO [stderr]     Checking tempfile v3.0.5
Dec 04 16:50:18.183 INFO [stderr]     Checking mio-uds v0.6.7
Dec 04 16:50:18.338 INFO [stderr]     Checking sha2 v0.7.1
Dec 04 16:50:21.551 INFO [stderr]     Checking tokio-codec v0.1.1
Dec 04 16:50:21.567 INFO [stderr]     Checking tokio-reactor v0.1.7
Dec 04 16:50:22.023 INFO [stderr]     Checking crossbeam v0.5.0
Dec 04 16:50:22.071 INFO [stderr]     Checking tokio-fs v0.1.4
Dec 04 16:50:23.887 INFO [stderr]     Checking h2 v0.1.13
Dec 04 16:50:24.087 INFO [stderr]     Checking native-tls v0.2.2
Dec 04 16:50:24.303 INFO [stderr]     Checking tokio-udp v0.1.3
Dec 04 16:50:24.303 INFO [stderr]     Checking tokio-uds v0.2.4
Dec 04 16:50:24.303 INFO [stderr]     Checking tokio-tcp v0.1.2
Dec 04 16:50:24.324 INFO [stderr]     Checking structopt v0.2.13
Dec 04 16:50:26.191 INFO [stderr]     Checking tokio v0.1.13
Dec 04 16:50:28.435 INFO [stderr]     Checking hyper v0.12.16
Dec 04 16:50:33.573 INFO [stderr]     Checking hyper-tls v0.3.1
Dec 04 16:50:35.739 INFO [stderr]     Checking reqwest v0.9.5
Dec 04 16:50:39.683 INFO [stderr]     Checking button v0.1.0 (/source)
Dec 04 16:50:56.595 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.59s
Dec 04 16:50:56.619 INFO [stderr] su: No module specific data is present
Dec 04 16:50:57.333 INFO running `"docker" "inspect" "c41511f642441c42c6334f54b224e1e3d995fcbd22ce111f1537921248c57cf9"`
Dec 04 16:50:57.674 INFO running `"docker" "rm" "-f" "c41511f642441c42c6334f54b224e1e3d995fcbd22ce111f1537921248c57cf9"`
Dec 04 16:50:58.079 INFO [stdout] c41511f642441c42c6334f54b224e1e3d995fcbd22ce111f1537921248c57cf9