[INFO] updating cached repository mraof/mudengine
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mraof/mudengine
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mraof/mudengine" "work/ex/beta-1.38-1/sources/1.37.0/gh/mraof/mudengine"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mraof/mudengine'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mraof/mudengine" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mraof/mudengine"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mraof/mudengine'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c386a99b36d095dcb71b90ba4e9740eb62536491
[INFO] sha for GitHub repo mraof/mudengine: c386a99b36d095dcb71b90ba4e9740eb62536491
[INFO] validating manifest of mraof/mudengine on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mraof/mudengine on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mraof/mudengine
[INFO] finished frobbing mraof/mudengine
[INFO] frobbed toml for mraof/mudengine written to work/ex/beta-1.38-1/sources/1.37.0/gh/mraof/mudengine/Cargo.toml
[INFO] started frobbing mraof/mudengine
[INFO] finished frobbing mraof/mudengine
[INFO] frobbed toml for mraof/mudengine written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mraof/mudengine/Cargo.toml
[INFO] crate mraof/mudengine already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mraof/mudengine against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mraof/mudengine:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 8b787ece1372bb733c21483f54e31f8e9fcba5b304a4b5cf9b56973e4d1f2a48
[INFO] running `"docker" "start" "-a" "8b787ece1372bb733c21483f54e31f8e9fcba5b304a4b5cf9b56973e4d1f2a48"`
[INFO] [stderr]    Compiling slog v2.2.3
[INFO] [stderr]    Compiling serde v1.0.41
[INFO] [stderr]    Compiling trackable v0.2.17
[INFO] [stderr]    Compiling ordermap v0.4.1
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling isatty v0.1.8
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling textwrap v0.8.0
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling slog-scope v4.0.1
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling rmp v0.8.7
[INFO] [stderr]    Compiling ws v0.7.6
[INFO] [stderr]    Compiling clap v2.26.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling slog-stdlog v3.0.2
[INFO] [stderr]    Compiling chrono v0.4.3
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling shrev v1.0.1
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling slog-term v2.4.0
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling serde_derive v1.0.41
[INFO] [stderr]    Compiling shred v0.7.0
[INFO] [stderr]    Compiling hibitset v0.5.0
[INFO] [stderr]    Compiling rmp-serde v0.13.7
[INFO] [stderr]    Compiling serde_json v1.0.15
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling specs v0.11.2
[INFO] [stderr]    Compiling serdeconv v0.3.0
[INFO] [stderr]    Compiling sloggers v0.2.7
[INFO] [stderr]    Compiling close_enough v0.2.1
[INFO] [stderr]    Compiling mudengine v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `specs::prelude`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use specs::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handle`
[INFO] [stderr]   --> src/main.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let handle = ws.broadcaster();
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_handle`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `tick_counter` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut tick_counter = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_tick_counter` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `"docker" "inspect" "8b787ece1372bb733c21483f54e31f8e9fcba5b304a4b5cf9b56973e4d1f2a48"`
[INFO] running `"docker" "rm" "-f" "8b787ece1372bb733c21483f54e31f8e9fcba5b304a4b5cf9b56973e4d1f2a48"`
[INFO] [stdout] 8b787ece1372bb733c21483f54e31f8e9fcba5b304a4b5cf9b56973e4d1f2a48
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mraof/mudengine:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a4da262ef22b4abb7d600ffdcde916cde2590d257478bcbd0c4862e0f9810c10
[INFO] running `"docker" "start" "-a" "a4da262ef22b4abb7d600ffdcde916cde2590d257478bcbd0c4862e0f9810c10"`
[INFO] [stderr]    Compiling mudengine v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `specs::prelude`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use specs::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handle`
[INFO] [stderr]   --> src/main.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let handle = ws.broadcaster();
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_handle`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `tick_counter` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut tick_counter = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_tick_counter` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "a4da262ef22b4abb7d600ffdcde916cde2590d257478bcbd0c4862e0f9810c10"`
[INFO] running `"docker" "rm" "-f" "a4da262ef22b4abb7d600ffdcde916cde2590d257478bcbd0c4862e0f9810c10"`
[INFO] [stdout] a4da262ef22b4abb7d600ffdcde916cde2590d257478bcbd0c4862e0f9810c10
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mraof/mudengine:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c8243c1f835951e5994a9758524b0e407e7115bc80075b363f1937a745809cb9
[INFO] running `"docker" "start" "-a" "c8243c1f835951e5994a9758524b0e407e7115bc80075b363f1937a745809cb9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mudengine-86413de70889f138
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c8243c1f835951e5994a9758524b0e407e7115bc80075b363f1937a745809cb9"`
[INFO] running `"docker" "rm" "-f" "c8243c1f835951e5994a9758524b0e407e7115bc80075b363f1937a745809cb9"`
[INFO] [stdout] c8243c1f835951e5994a9758524b0e407e7115bc80075b363f1937a745809cb9