Nov 28 10:07:13.534 INFO checking acmumn/minnehack-blockchain-check-in against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 10:07:13.534 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 10:07:14.027 INFO [stdout] 7cbbe05ccba679debba8f881c8b1f8e637e6005e8426aaba303b58cf2b43ffbd
Nov 28 10:07:14.036 INFO running `"docker" "start" "-a" "7cbbe05ccba679debba8f881c8b1f8e637e6005e8426aaba303b58cf2b43ffbd"`
Nov 28 10:07:15.317 INFO [stderr] usermod: no changes
Nov 28 10:07:15.546 INFO [stderr]     Checking memchr v2.0.1
Nov 28 10:07:15.546 INFO [stderr]     Checking memchr v1.0.2
Nov 28 10:07:15.547 INFO [stderr]     Checking termion v1.5.1
Nov 28 10:07:15.576 INFO [stderr]     Checking rand v0.4.1
Nov 28 10:07:15.581 INFO [stderr]     Checking serde_cbor v0.8.1
Nov 28 10:07:15.581 INFO [stderr]     Checking arrayvec v0.4.6
Nov 28 10:07:15.582 INFO [stderr]     Checking backtrace-sys v0.1.16
Nov 28 10:07:15.583 INFO [stderr]     Checking rust-crypto v0.2.36
Nov 28 10:07:17.250 INFO [stderr]     Checking aho-corasick v0.6.4
Nov 28 10:07:18.625 INFO [stderr]     Checking backtrace v0.3.5
Nov 28 10:07:18.909 INFO [stderr]     Checking nom v3.2.1
Nov 28 10:07:23.338 INFO [stderr]     Checking error-chain v0.10.0
Nov 28 10:07:23.356 INFO [stderr]     Checking error-chain v0.11.0
Nov 28 10:07:23.620 INFO [stderr]     Checking tui v0.2.0
Nov 28 10:07:24.072 INFO [stderr]     Checking regex v0.2.5
Nov 28 10:07:33.220 INFO [stderr]     Checking env_logger v0.4.3
Nov 28 10:07:33.220 INFO [stderr]     Checking dotenv v0.10.1
Nov 28 10:07:35.804 INFO [stderr]     Checking pretty_env_logger v0.1.1
Nov 28 10:07:35.804 INFO [stderr]     Checking quickcheck v0.6.0
Nov 28 10:07:38.240 INFO [stderr]     Checking minnehack-check-in v0.1.0 (/source)
Nov 28 10:07:42.556 INFO [stderr] warning: variable does not need to be mutable
Nov 28 10:07:42.557 INFO [stderr]   --> src/lib.rs:79:13
Nov 28 10:07:42.558 INFO [stderr]    |
Nov 28 10:07:42.559 INFO [stderr] 79 |         let mut client = Client::new_with_opts(
Nov 28 10:07:42.559 INFO [stderr]    |             ----^^^^^^
Nov 28 10:07:42.560 INFO [stderr]    |             |
Nov 28 10:07:42.560 INFO [stderr]    |             help: remove this `mut`
Nov 28 10:07:42.561 INFO [stderr]    |
Nov 28 10:07:42.561 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 10:07:42.562 INFO [stderr] 
Nov 28 10:07:43.259 INFO [stderr]     Checking minnehack-check-in-monitor v0.1.0 (/source/minnehack-check-in-monitor)
Nov 28 10:07:49.040 INFO [stderr] warning: variable does not need to be mutable
Nov 28 10:07:49.044 INFO [stderr]   --> src/lib.rs:79:13
Nov 28 10:07:49.044 INFO [stderr]    |
Nov 28 10:07:49.044 INFO [stderr] 79 |         let mut client = Client::new_with_opts(
Nov 28 10:07:49.044 INFO [stderr]    |             ----^^^^^^
Nov 28 10:07:49.044 INFO [stderr]    |             |
Nov 28 10:07:49.044 INFO [stderr]    |             help: remove this `mut`
Nov 28 10:07:49.048 INFO [stderr]    |
Nov 28 10:07:49.048 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 10:07:49.048 INFO [stderr] 
Nov 28 10:07:55.308 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.96s
Nov 28 10:07:55.325 INFO [stderr] su: No module specific data is present
Nov 28 10:07:56.597 INFO running `"docker" "inspect" "7cbbe05ccba679debba8f881c8b1f8e637e6005e8426aaba303b58cf2b43ffbd"`
Nov 28 10:07:56.867 INFO running `"docker" "rm" "-f" "7cbbe05ccba679debba8f881c8b1f8e637e6005e8426aaba303b58cf2b43ffbd"`
Nov 28 10:07:57.164 INFO [stdout] 7cbbe05ccba679debba8f881c8b1f8e637e6005e8426aaba303b58cf2b43ffbd