Dec 17 13:37:58.485 INFO checking tilda/rusty-bot against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 13:37:58.485 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/tilda/rusty-bot:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 13:37:59.115 INFO [stdout] c856ba56a0b3df9f9e5ce8c88248db3cdef1b0441c0fff4f338aede084643bf5
Dec 17 13:37:59.124 INFO running `"docker" "start" "-a" "c856ba56a0b3df9f9e5ce8c88248db3cdef1b0441c0fff4f338aede084643bf5"`
Dec 17 13:38:01.118 INFO [stderr]    Compiling serde v1.0.65
Dec 17 13:38:01.128 INFO [stderr]     Checking slog v2.2.3
Dec 17 13:38:01.128 INFO [stderr]     Checking take_mut v0.2.2
Dec 17 13:38:01.128 INFO [stderr]     Checking trackable v0.2.17
Dec 17 13:38:01.128 INFO [stderr]    Compiling openssl-sys v0.9.31
Dec 17 13:38:01.128 INFO [stderr]    Compiling miniz-sys v0.1.10
Dec 17 13:38:01.132 INFO [stderr]     Checking isatty v0.1.8
Dec 17 13:38:01.132 INFO [stderr]    Compiling proc-macro2 v0.4.4
Dec 17 13:38:01.976 INFO [stderr]     Checking base64 v0.8.0
Dec 17 13:38:02.036 INFO [stderr]     Checking unsafe-any v0.4.2
Dec 17 13:38:03.910 INFO [stderr]     Checking log v0.3.9
Dec 17 13:38:03.912 INFO [stderr]     Checking parking_lot_core v0.2.14
Dec 17 13:38:04.642 INFO [stderr]     Checking tempdir v0.3.7
Dec 17 13:38:04.684 INFO [stderr]     Checking threadpool v1.7.1
Dec 17 13:38:05.019 INFO [stderr]     Checking typemap v0.3.3
Dec 17 13:38:07.004 INFO [stderr]     Checking uuid v0.5.1
Dec 17 13:38:07.006 INFO [stderr]     Checking slog-scope v4.0.1
Dec 17 13:38:07.076 INFO [stderr]     Checking slog-async v2.3.0
Dec 17 13:38:07.266 INFO [stderr]     Checking mime v0.2.6
Dec 17 13:38:08.478 INFO [stderr]    Compiling phf_generator v0.7.22
Dec 17 13:38:09.690 INFO [stderr]     Checking parking_lot v0.5.5
Dec 17 13:38:10.069 INFO [stderr]     Checking slog-stdlog v3.0.2
Dec 17 13:38:10.817 INFO [stderr]    Compiling phf_codegen v0.7.22
Dec 17 13:38:11.610 INFO [stderr]     Checking hyper v0.10.13
Dec 17 13:38:11.642 INFO [stderr]    Compiling openssl v0.9.24
Dec 17 13:38:13.680 INFO [stderr]    Compiling mime_guess v1.8.4
Dec 17 13:38:14.174 INFO [stderr]     Checking flate2 v1.0.1
Dec 17 13:38:14.406 INFO [stderr]    Compiling quote v0.6.3
Dec 17 13:38:16.256 INFO [stderr]    Compiling syn v0.14.1
Dec 17 13:38:28.465 INFO [stderr]     Checking native-tls v0.1.5
Dec 17 13:38:29.258 INFO [stderr]     Checking multipart v0.13.6
Dec 17 13:38:29.861 INFO [stderr]     Checking hyper-native-tls v0.2.4
Dec 17 13:38:29.861 INFO [stderr]     Checking evzht9h3nznqzwl v0.0.3
Dec 17 13:38:39.148 INFO [stderr]    Compiling serde_derive v1.0.65
Dec 17 13:38:42.748 INFO [stderr]     Checking chrono v0.4.2
Dec 17 13:38:42.748 INFO [stderr]     Checking serde_json v1.0.19
Dec 17 13:38:47.216 INFO [stderr]     Checking slog-term v2.4.0
Dec 17 13:38:57.678 INFO [stderr]     Checking serenity v0.5.3
Dec 17 13:38:57.680 INFO [stderr]     Checking sloggers v0.2.6
Dec 17 13:39:15.798 INFO [stderr]     Checking rusty v0.1.0 (/opt/crater/workdir)
Dec 17 13:39:17.216 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:39:17.216 INFO [stderr]   --> src/main.rs:31:9
Dec 17 13:39:17.216 INFO [stderr]    |
Dec 17 13:39:17.216 INFO [stderr] 31 |     let mut file = File::open("config.json").expect("Not found");
Dec 17 13:39:17.216 INFO [stderr]    |         ----^^^^
Dec 17 13:39:17.216 INFO [stderr]    |         |
Dec 17 13:39:17.216 INFO [stderr]    |         help: remove this `mut`
Dec 17 13:39:17.216 INFO [stderr]    |
Dec 17 13:39:17.216 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 13:39:17.216 INFO [stderr] 
Dec 17 13:39:17.360 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:39:17.360 INFO [stderr]   --> src/main.rs:31:9
Dec 17 13:39:17.360 INFO [stderr]    |
Dec 17 13:39:17.360 INFO [stderr] 31 |     let mut file = File::open("config.json").expect("Not found");
Dec 17 13:39:17.360 INFO [stderr]    |         ----^^^^
Dec 17 13:39:17.360 INFO [stderr]    |         |
Dec 17 13:39:17.360 INFO [stderr]    |         help: remove this `mut`
Dec 17 13:39:17.360 INFO [stderr]    |
Dec 17 13:39:17.360 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 13:39:17.360 INFO [stderr] 
Dec 17 13:39:17.425 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
Dec 17 13:39:19.095 INFO running `"docker" "inspect" "c856ba56a0b3df9f9e5ce8c88248db3cdef1b0441c0fff4f338aede084643bf5"`
Dec 17 13:39:19.332 INFO running `"docker" "rm" "-f" "c856ba56a0b3df9f9e5ce8c88248db3cdef1b0441c0fff4f338aede084643bf5"`
Dec 17 13:39:19.692 INFO [stdout] c856ba56a0b3df9f9e5ce8c88248db3cdef1b0441c0fff4f338aede084643bf5