[INFO] cloning repository GrantJamesPowell/slonk
[INFO] running `"git" "clone" "--bare" "git://github.com/GrantJamesPowell/slonk.git" "work/cache/sources/gh/GrantJamesPowell/slonk"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/GrantJamesPowell/slonk'...
[INFO] running `"git" "clone" "work/cache/sources/gh/GrantJamesPowell/slonk" "work/ex/beta-1.37-6/sources/1.36.0/gh/GrantJamesPowell/slonk"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/GrantJamesPowell/slonk'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/GrantJamesPowell/slonk" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/GrantJamesPowell/slonk"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/GrantJamesPowell/slonk'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f3042bed6221a44551ae425b953465e5d284dbaf
[INFO] sha for GitHub repo GrantJamesPowell/slonk: f3042bed6221a44551ae425b953465e5d284dbaf
[INFO] validating manifest of GrantJamesPowell/slonk 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 GrantJamesPowell/slonk 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 GrantJamesPowell/slonk
[INFO] finished frobbing GrantJamesPowell/slonk
[INFO] frobbed toml for GrantJamesPowell/slonk written to work/ex/beta-1.37-6/sources/1.36.0/gh/GrantJamesPowell/slonk/Cargo.toml
[INFO] started frobbing GrantJamesPowell/slonk
[INFO] finished frobbing GrantJamesPowell/slonk
[INFO] frobbed toml for GrantJamesPowell/slonk written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/GrantJamesPowell/slonk/Cargo.toml
[INFO] crate GrantJamesPowell/slonk 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 GrantJamesPowell/slonk against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/GrantJamesPowell/slonk:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 468106b95411bad7aa3a3ac6909ff78f160fcd950db15f9899f6e7874360bc36
[INFO] running `"docker" "start" "-a" "468106b95411bad7aa3a3ac6909ff78f160fcd950db15f9899f6e7874360bc36"`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling sha-1 v0.8.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling ws v0.8.1
[INFO] [stderr]    Compiling slonk v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             self.out.send(Message::Text(msg.to_string()));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.12s
[INFO] running `"docker" "inspect" "468106b95411bad7aa3a3ac6909ff78f160fcd950db15f9899f6e7874360bc36"`
[INFO] running `"docker" "rm" "-f" "468106b95411bad7aa3a3ac6909ff78f160fcd950db15f9899f6e7874360bc36"`
[INFO] [stdout] 468106b95411bad7aa3a3ac6909ff78f160fcd950db15f9899f6e7874360bc36
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/GrantJamesPowell/slonk:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] a081ea00c9fe6d92ba6130f149e391fec79c2a951692e53c2c0d3f53dea73281
[INFO] running `"docker" "start" "-a" "a081ea00c9fe6d92ba6130f149e391fec79c2a951692e53c2c0d3f53dea73281"`
[INFO] [stderr]    Compiling slonk v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             self.out.send(Message::Text(msg.to_string()));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "a081ea00c9fe6d92ba6130f149e391fec79c2a951692e53c2c0d3f53dea73281"`
[INFO] running `"docker" "rm" "-f" "a081ea00c9fe6d92ba6130f149e391fec79c2a951692e53c2c0d3f53dea73281"`
[INFO] [stdout] a081ea00c9fe6d92ba6130f149e391fec79c2a951692e53c2c0d3f53dea73281
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/GrantJamesPowell/slonk:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 7ad8d002d2890a457d2b00f1101221c4ae322aede4f4d5dde407714c1d883cf5
[INFO] running `"docker" "start" "-a" "7ad8d002d2890a457d2b00f1101221c4ae322aede4f4d5dde407714c1d883cf5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/slonk-680547d4a1dfbbb1
[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" "7ad8d002d2890a457d2b00f1101221c4ae322aede4f4d5dde407714c1d883cf5"`
[INFO] running `"docker" "rm" "-f" "7ad8d002d2890a457d2b00f1101221c4ae322aede4f4d5dde407714c1d883cf5"`
[INFO] [stdout] 7ad8d002d2890a457d2b00f1101221c4ae322aede4f4d5dde407714c1d883cf5