[INFO] updating cached repository BarePotato/bares_MUD
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BarePotato/bares_MUD
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BarePotato/bares_MUD" "work/ex/beta-1.38-1/sources/1.37.0/gh/BarePotato/bares_MUD"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/BarePotato/bares_MUD'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BarePotato/bares_MUD" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BarePotato/bares_MUD"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BarePotato/bares_MUD'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2ffc81611ed5e2158847404c22a14a3125671871
[INFO] sha for GitHub repo BarePotato/bares_MUD: 2ffc81611ed5e2158847404c22a14a3125671871
[INFO] validating manifest of BarePotato/bares_MUD 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 BarePotato/bares_MUD 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 BarePotato/bares_MUD
[INFO] finished frobbing BarePotato/bares_MUD
[INFO] frobbed toml for BarePotato/bares_MUD written to work/ex/beta-1.38-1/sources/1.37.0/gh/BarePotato/bares_MUD/Cargo.toml
[INFO] started frobbing BarePotato/bares_MUD
[INFO] finished frobbing BarePotato/bares_MUD
[INFO] frobbed toml for BarePotato/bares_MUD written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BarePotato/bares_MUD/Cargo.toml
[INFO] crate BarePotato/bares_MUD 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing BarePotato/bares_MUD against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BarePotato/bares_MUD:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] a8821f9d75e58f16f07cadac1947692978d37e608096536282f552e14956c563
[INFO] running `"docker" "start" "-a" "a8821f9d75e58f16f07cadac1947692978d37e608096536282f552e14956c563"`
[INFO] [stderr]    Compiling bares_MUD v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/main.rs:363:9
[INFO] [stderr]     |
[INFO] [stderr] 363 |         _ => {}
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `bares_MUD` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `bares_mud`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "a8821f9d75e58f16f07cadac1947692978d37e608096536282f552e14956c563"`
[INFO] running `"docker" "rm" "-f" "a8821f9d75e58f16f07cadac1947692978d37e608096536282f552e14956c563"`
[INFO] [stdout] a8821f9d75e58f16f07cadac1947692978d37e608096536282f552e14956c563
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BarePotato/bares_MUD:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 601aa538cb73f7547930b3e1c2abfea01f7b8b3497aeb7775221f213a4c7d6ea
[INFO] running `"docker" "start" "-a" "601aa538cb73f7547930b3e1c2abfea01f7b8b3497aeb7775221f213a4c7d6ea"`
[INFO] [stderr]    Compiling bares_MUD v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/main.rs:363:9
[INFO] [stderr]     |
[INFO] [stderr] 363 |         _ => {}
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `bares_MUD` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `bares_mud`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "601aa538cb73f7547930b3e1c2abfea01f7b8b3497aeb7775221f213a4c7d6ea"`
[INFO] running `"docker" "rm" "-f" "601aa538cb73f7547930b3e1c2abfea01f7b8b3497aeb7775221f213a4c7d6ea"`
[INFO] [stdout] 601aa538cb73f7547930b3e1c2abfea01f7b8b3497aeb7775221f213a4c7d6ea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BarePotato/bares_MUD:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 2fe86fcdcc1be5525c42f8d3db31d13509fd02c2302e41e54ca3346d1f3f10ec
[INFO] running `"docker" "start" "-a" "2fe86fcdcc1be5525c42f8d3db31d13509fd02c2302e41e54ca3346d1f3f10ec"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bares_MUD-edf577d2bd6ffe33
[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" "2fe86fcdcc1be5525c42f8d3db31d13509fd02c2302e41e54ca3346d1f3f10ec"`
[INFO] running `"docker" "rm" "-f" "2fe86fcdcc1be5525c42f8d3db31d13509fd02c2302e41e54ca3346d1f3f10ec"`
[INFO] [stdout] 2fe86fcdcc1be5525c42f8d3db31d13509fd02c2302e41e54ca3346d1f3f10ec