[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-1.37-6/sources/1.36.0/gh/BarePotato/bares_MUD"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/BarePotato/bares_MUD'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BarePotato/bares_MUD" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BarePotato/bares_MUD"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of BarePotato/bares_MUD on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing BarePotato/bares_MUD against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 98f8881821aea37389419c1d67bd2e46eb826086c5da6aef0863613762a54b64
[INFO] running `"docker" "start" "-a" "98f8881821aea37389419c1d67bd2e46eb826086c5da6aef0863613762a54b64"`
[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 1.31s
[INFO] running `"docker" "inspect" "98f8881821aea37389419c1d67bd2e46eb826086c5da6aef0863613762a54b64"`
[INFO] running `"docker" "rm" "-f" "98f8881821aea37389419c1d67bd2e46eb826086c5da6aef0863613762a54b64"`
[INFO] [stdout] 98f8881821aea37389419c1d67bd2e46eb826086c5da6aef0863613762a54b64
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 92ab2835bc54bdb000772ebe5f41fa563946ab6daa2bccc67664d16fe913e6b6
[INFO] running `"docker" "start" "-a" "92ab2835bc54bdb000772ebe5f41fa563946ab6daa2bccc67664d16fe913e6b6"`
[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 0.96s
[INFO] running `"docker" "inspect" "92ab2835bc54bdb000772ebe5f41fa563946ab6daa2bccc67664d16fe913e6b6"`
[INFO] running `"docker" "rm" "-f" "92ab2835bc54bdb000772ebe5f41fa563946ab6daa2bccc67664d16fe913e6b6"`
[INFO] [stdout] 92ab2835bc54bdb000772ebe5f41fa563946ab6daa2bccc67664d16fe913e6b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] b3ea7f36e16400acf74ad67f08c28d1bf32e1775b09278b1dda581cf8e667eff
[INFO] running `"docker" "start" "-a" "b3ea7f36e16400acf74ad67f08c28d1bf32e1775b09278b1dda581cf8e667eff"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bares_MUD-8e6db441fc178cab
[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" "b3ea7f36e16400acf74ad67f08c28d1bf32e1775b09278b1dda581cf8e667eff"`
[INFO] running `"docker" "rm" "-f" "b3ea7f36e16400acf74ad67f08c28d1bf32e1775b09278b1dda581cf8e667eff"`
[INFO] [stdout] b3ea7f36e16400acf74ad67f08c28d1bf32e1775b09278b1dda581cf8e667eff