Dec 19 21:04:50.473 INFO checking acmumn/minnehack-blockchain-check-in against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 21:04:50.473 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/acmumn/minnehack-blockchain-check-in:/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 21:04:50.874 INFO [stdout] 85d029eab505f8609889f77f800c585b1e38e27b5904728437f5ebbe3cc4e74c
Dec 19 21:04:50.879 INFO running `"docker" "start" "-a" "85d029eab505f8609889f77f800c585b1e38e27b5904728437f5ebbe3cc4e74c"`
Dec 19 21:04:52.702 INFO [stderr]     Checking rand v0.4.1
Dec 19 21:04:52.702 INFO [stderr]     Checking termion v1.5.1
Dec 19 21:04:52.708 INFO [stderr]     Checking serde_cbor v0.8.1
Dec 19 21:04:52.708 INFO [stderr]     Checking arrayvec v0.4.6
Dec 19 21:04:52.708 INFO [stderr]     Checking bytes v0.4.6
Dec 19 21:04:52.712 INFO [stderr]    Compiling serde_derive_internals v0.19.0
Dec 19 21:04:52.712 INFO [stderr]    Compiling derive-error-chain v0.10.1
Dec 19 21:04:52.712 INFO [stderr]     Checking mio v0.6.12
Dec 19 21:04:56.858 INFO [stderr]     Checking rust-crypto v0.2.36
Dec 19 21:04:58.029 INFO [stderr]     Checking env_logger v0.4.3
Dec 19 21:04:59.254 INFO [stderr]     Checking tokio-io v0.1.4
Dec 19 21:05:00.289 INFO [stderr]     Checking tui v0.2.0
Dec 19 21:05:01.355 INFO [stderr]     Checking error-chain v0.10.0
Dec 19 21:05:06.052 INFO [stderr]     Checking error-chain v0.11.0
Dec 19 21:05:06.151 INFO [stderr]     Checking pretty_env_logger v0.1.1
Dec 19 21:05:06.154 INFO [stderr]     Checking quickcheck v0.6.0
Dec 19 21:05:06.708 INFO [stderr]     Checking tokio-core v0.1.12
Dec 19 21:05:11.725 INFO [stderr]     Checking dotenv v0.10.1
Dec 19 21:05:11.932 INFO [stderr]    Compiling serde_derive v1.0.27
Dec 19 21:05:19.545 INFO [stderr]     Checking minnehack-check-in v0.1.0 (/opt/crater/workdir)
Dec 19 21:05:21.880 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:05:21.880 INFO [stderr]   --> src/lib.rs:79:13
Dec 19 21:05:21.880 INFO [stderr]    |
Dec 19 21:05:21.880 INFO [stderr] 79 |         let mut client = Client::new_with_opts(
Dec 19 21:05:21.880 INFO [stderr]    |             ----^^^^^^
Dec 19 21:05:21.880 INFO [stderr]    |             |
Dec 19 21:05:21.880 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:05:21.880 INFO [stderr]    |
Dec 19 21:05:21.880 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 21:05:21.880 INFO [stderr] 
Dec 19 21:05:22.120 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:05:22.120 INFO [stderr]   --> src/lib.rs:79:13
Dec 19 21:05:22.120 INFO [stderr]    |
Dec 19 21:05:22.120 INFO [stderr] 79 |         let mut client = Client::new_with_opts(
Dec 19 21:05:22.120 INFO [stderr]    |             ----^^^^^^
Dec 19 21:05:22.120 INFO [stderr]    |             |
Dec 19 21:05:22.120 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:05:22.120 INFO [stderr]    |
Dec 19 21:05:22.120 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 21:05:22.120 INFO [stderr] 
Dec 19 21:05:22.770 INFO [stderr]     Checking minnehack-check-in-monitor v0.1.0 (/opt/crater/workdir/minnehack-check-in-monitor)
Dec 19 21:05:26.856 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.41s
Dec 19 21:05:28.493 INFO running `"docker" "inspect" "85d029eab505f8609889f77f800c585b1e38e27b5904728437f5ebbe3cc4e74c"`
Dec 19 21:05:28.844 INFO running `"docker" "rm" "-f" "85d029eab505f8609889f77f800c585b1e38e27b5904728437f5ebbe3cc4e74c"`
Dec 19 21:05:29.168 INFO [stdout] 85d029eab505f8609889f77f800c585b1e38e27b5904728437f5ebbe3cc4e74c