Oct 12 16:20:55.444 INFO checking nuclearfurnace/synchrotron against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 16:20:55.444 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 16:20:55.961 INFO blam! 57ddee80dd4c849ff29108129b7c5cdca867c94a1932c8275cd5f64918fadeb1
Oct 12 16:20:55.962 INFO running `"docker" "start" "-a" "57ddee80dd4c849ff29108129b7c5cdca867c94a1932c8275cd5f64918fadeb1"`
Oct 12 16:20:57.696 INFO kablam! usermod: no changes
Oct 12 16:20:58.098 INFO kablam!    Compiling slog v2.4.1
Oct 12 16:20:58.109 INFO kablam!     Checking arc-swap v0.3.0
Oct 12 16:20:58.109 INFO kablam!    Compiling synchrotron v0.1.0 (/source)
Oct 12 16:20:58.110 INFO kablam!     Checking crossbeam-utils v0.3.2
Oct 12 16:20:58.111 INFO kablam!     Checking futures-turnstyle v1.0.0
Oct 12 16:20:58.113 INFO kablam!     Checking btoi v0.4.0
Oct 12 16:20:58.125 INFO kablam!     Checking tokio-io v0.1.9
Oct 12 16:20:58.128 INFO kablam!     Checking crossbeam-epoch v0.6.0
Oct 12 16:21:00.568 INFO kablam!     Checking chrono v0.4.6
Oct 12 16:21:00.836 INFO kablam!     Checking digest v0.6.2
Oct 12 16:21:01.909 INFO kablam!     Checking crossbeam-deque v0.5.2
Oct 12 16:21:01.912 INFO kablam!     Checking crossbeam-epoch v0.4.3
Oct 12 16:21:01.915 INFO kablam!     Checking config v0.9.1
Oct 12 16:21:02.090 INFO kablam!     Checking signal-hook v0.1.5
Oct 12 16:21:03.208 INFO kablam!     Checking tokio-threadpool v0.1.7
Oct 12 16:21:03.952 INFO kablam!     Checking pruefung v0.2.1
Oct 12 16:21:04.780 INFO kablam!     Checking crossbeam-channel v0.2.6
Oct 12 16:21:06.125 INFO kablam!     Checking spectral v0.6.0
Oct 12 16:21:07.169 INFO kablam!     Checking crossbeam-arccell v0.6.4
Oct 12 16:21:07.344 INFO kablam!     Checking tokio-reactor v0.1.6
Oct 12 16:21:10.938 INFO kablam!     Checking tokio-codec v0.1.1
Oct 12 16:21:12.266 INFO kablam!     Checking slog-scope v4.0.1
Oct 12 16:21:12.268 INFO kablam!     Checking slog-async v2.3.0
Oct 12 16:21:12.414 INFO kablam!     Checking tokio-fs v0.1.3
Oct 12 16:21:13.761 INFO kablam!     Checking hotmic v0.2.1
Oct 12 16:21:13.761 INFO kablam!     Checking crossbeam v0.4.1
Oct 12 16:21:13.801 INFO kablam!     Checking slog-term v2.4.0
Oct 12 16:21:14.400 INFO kablam!     Checking slog-stdlog v3.0.2
Oct 12 16:21:14.737 INFO kablam!     Checking tokio-udp v0.1.2
Oct 12 16:21:14.744 INFO kablam!     Checking tokio-tcp v0.1.2
Oct 12 16:21:16.172 INFO kablam!     Checking tokio-uds v0.2.2
Oct 12 16:21:20.158 INFO kablam!     Checking tokio v0.1.11
Oct 12 16:21:26.820 INFO kablam! warning: value assigned to `final_error_count` is never read
Oct 12 16:21:26.821 INFO kablam!   --> src/backend/health.rs:65:17
Oct 12 16:21:26.821 INFO kablam!    |
Oct 12 16:21:26.821 INFO kablam! 65 |         let mut final_error_count = 0;
Oct 12 16:21:26.821 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^
Oct 12 16:21:26.821 INFO kablam!    |
Oct 12 16:21:26.821 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 16:21:26.822 INFO kablam! 
Oct 12 16:21:26.876 INFO kablam! warning: value assigned to `final_error_count` is never read
Oct 12 16:21:26.876 INFO kablam!   --> src/backend/health.rs:65:17
Oct 12 16:21:26.876 INFO kablam!    |
Oct 12 16:21:26.876 INFO kablam! 65 |         let mut final_error_count = 0;
Oct 12 16:21:26.876 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^
Oct 12 16:21:26.876 INFO kablam!    |
Oct 12 16:21:26.876 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 16:21:26.876 INFO kablam! 
Oct 12 16:21:28.370 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 30.66s
Oct 12 16:21:28.392 INFO kablam! su: No module specific data is present
Oct 12 16:21:29.149 INFO running `"docker" "rm" "-f" "57ddee80dd4c849ff29108129b7c5cdca867c94a1932c8275cd5f64918fadeb1"`
Oct 12 16:21:29.512 INFO blam! 57ddee80dd4c849ff29108129b7c5cdca867c94a1932c8275cd5f64918fadeb1