Oct 12 15:41:29.788 INFO checking pietroalbini/crater-tree against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 15:41:29.790 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 12 15:41:30.404 INFO blam! 7b77282df310fb5fa91c1c52b5e7620d1a3a9a941fc5427ef35020221c972117
Oct 12 15:41:30.410 INFO running `"docker" "start" "-a" "7b77282df310fb5fa91c1c52b5e7620d1a3a9a941fc5427ef35020221c972117"`
Oct 12 15:41:32.155 INFO kablam! usermod: no changes
Oct 12 15:41:32.517 INFO kablam!     Checking encoding_rs v0.8.8
Oct 12 15:41:32.518 INFO kablam!    Compiling backtrace-sys v0.1.16
Oct 12 15:41:32.525 INFO kablam!    Compiling openssl-sys v0.9.36
Oct 12 15:41:32.526 INFO kablam!     Checking tokio-executor v0.1.2
Oct 12 15:41:32.527 INFO kablam!     Checking petgraph v0.4.13
Oct 12 15:41:32.527 INFO kablam!     Checking crossbeam-epoch v0.5.2
Oct 12 15:41:32.527 INFO kablam!     Checking bytes v0.4.10
Oct 12 15:41:32.528 INFO kablam!     Checking futures-cpupool v0.1.8
Oct 12 15:41:35.219 INFO kablam!     Checking tempdir v0.3.7
Oct 12 15:41:35.235 INFO kablam!     Checking rand v0.5.5
Oct 12 15:41:38.089 INFO kablam!     Checking mio v0.6.14
Oct 12 15:41:38.096 INFO kablam!     Checking want v0.0.6
Oct 12 15:41:38.136 INFO kablam!    Compiling rayon v1.0.2
Oct 12 15:41:39.069 INFO kablam!     Checking tokio-timer v0.2.5
Oct 12 15:41:39.630 INFO kablam!     Checking crossbeam-deque v0.6.1
Oct 12 15:41:41.332 INFO kablam!     Checking semver v0.9.0
Oct 12 15:41:42.678 INFO kablam!     Checking mime v0.3.9
Oct 12 15:41:43.239 INFO kablam!     Checking tokio-io v0.1.6
Oct 12 15:41:44.317 INFO kablam!     Checking http v0.1.13
Oct 12 15:41:45.076 INFO kablam!    Compiling syn v0.15.7
Oct 12 15:41:45.508 INFO kablam!     Checking libflate v0.1.18
Oct 12 15:41:45.884 INFO kablam!     Checking serde_urlencoded v0.5.1
Oct 12 15:41:47.333 INFO kablam!    Compiling openssl v0.10.12
Oct 12 15:41:47.394 INFO kablam!    Compiling native-tls v0.2.1
Oct 12 15:41:47.501 INFO kablam!     Checking tokio-threadpool v0.1.7
Oct 12 15:41:48.664 INFO kablam!     Checking uuid v0.7.1
Oct 12 15:41:51.464 INFO kablam!     Checking tokio-reactor v0.1.1
Oct 12 15:41:53.266 INFO kablam!    Compiling mime_guess v2.0.0-alpha.6
Oct 12 15:41:53.304 INFO kablam!     Checking tokio-fs v0.1.3
Oct 12 15:41:57.272 INFO kablam!     Checking tokio-udp v0.1.0
Oct 12 15:42:01.460 INFO kablam!     Checking tokio-tcp v0.1.0
Oct 12 15:42:05.240 INFO kablam!     Checking tokio v0.1.7
Oct 12 15:42:07.162 INFO kablam!     Checking h2 v0.1.12
Oct 12 15:42:19.201 INFO kablam!    Compiling serde_derive v1.0.79
Oct 12 15:42:19.305 INFO kablam!     Checking backtrace v0.3.6
Oct 12 15:42:20.404 INFO kablam!     Checking error-chain v0.12.0
Oct 12 15:42:20.404 INFO kablam!     Checking failure v0.1.2
Oct 12 15:42:23.429 INFO kablam!     Checking hyper v0.12.11
Oct 12 15:42:28.844 INFO kablam!     Checking hyper-tls v0.3.1
Oct 12 15:42:31.374 INFO kablam!     Checking reqwest v0.9.2
Oct 12 15:42:38.317 INFO kablam!     Checking cargo_metadata v0.6.0
Oct 12 15:42:39.535 INFO kablam!     Checking crater-tree v0.1.0 (/source)
Oct 12 15:42:44.945 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
Oct 12 15:42:44.959 INFO kablam! su: No module specific data is present
Oct 12 15:42:46.587 INFO running `"docker" "rm" "-f" "7b77282df310fb5fa91c1c52b5e7620d1a3a9a941fc5427ef35020221c972117"`
Oct 12 15:42:46.819 INFO blam! 7b77282df310fb5fa91c1c52b5e7620d1a3a9a941fc5427ef35020221c972117