[INFO] updating cached repository tedajax/rusty-bird
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tedajax/rusty-bird
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tedajax/rusty-bird" "work/ex/beta-1.38-1/sources/1.37.0/gh/tedajax/rusty-bird"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tedajax/rusty-bird'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tedajax/rusty-bird" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tedajax/rusty-bird"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tedajax/rusty-bird'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 415352c03acc3d842faf8edd1183881cf0e533cf
[INFO] sha for GitHub repo tedajax/rusty-bird: 415352c03acc3d842faf8edd1183881cf0e533cf
[INFO] validating manifest of tedajax/rusty-bird 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 tedajax/rusty-bird 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 tedajax/rusty-bird
[INFO] finished frobbing tedajax/rusty-bird
[INFO] frobbed toml for tedajax/rusty-bird written to work/ex/beta-1.38-1/sources/1.37.0/gh/tedajax/rusty-bird/Cargo.toml
[INFO] started frobbing tedajax/rusty-bird
[INFO] finished frobbing tedajax/rusty-bird
[INFO] frobbed toml for tedajax/rusty-bird written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tedajax/rusty-bird/Cargo.toml
[INFO] crate tedajax/rusty-bird 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tedajax/rusty-bird/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing tedajax/rusty-bird 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tedajax/rusty-bird:/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] d28bcb8f9b0a53fe503c6803be94e24c590cc6b383976358e926406e29b32800
[INFO] running `"docker" "start" "-a" "d28bcb8f9b0a53fe503c6803be94e24c590cc6b383976358e926406e29b32800"`
[INFO] [stderr]    Compiling sdl2-sys v0.7.0
[INFO] [stderr]    Compiling sdl2 v0.10.0
[INFO] [stderr]    Compiling rusty-bird v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/game.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |         for mut pipe in self.pipes.iter_mut() {
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_state`
[INFO] [stderr]   --> src/bird.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn get_state(self) -> BirdState { self.state }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `"docker" "inspect" "d28bcb8f9b0a53fe503c6803be94e24c590cc6b383976358e926406e29b32800"`
[INFO] running `"docker" "rm" "-f" "d28bcb8f9b0a53fe503c6803be94e24c590cc6b383976358e926406e29b32800"`
[INFO] [stdout] d28bcb8f9b0a53fe503c6803be94e24c590cc6b383976358e926406e29b32800
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tedajax/rusty-bird:/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] ef873b2ac9ed8ced8b7081279478f5d2ccaa5e41ea7077652e36305c82c53931
[INFO] running `"docker" "start" "-a" "ef873b2ac9ed8ced8b7081279478f5d2ccaa5e41ea7077652e36305c82c53931"`
[INFO] [stderr]    Compiling rusty-bird v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/game.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |         for mut pipe in self.pipes.iter_mut() {
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_state`
[INFO] [stderr]   --> src/bird.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn get_state(self) -> BirdState { self.state }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "ef873b2ac9ed8ced8b7081279478f5d2ccaa5e41ea7077652e36305c82c53931"`
[INFO] running `"docker" "rm" "-f" "ef873b2ac9ed8ced8b7081279478f5d2ccaa5e41ea7077652e36305c82c53931"`
[INFO] [stdout] ef873b2ac9ed8ced8b7081279478f5d2ccaa5e41ea7077652e36305c82c53931
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tedajax/rusty-bird:/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] 5cf347a21b4f3b866c86ac0caf8f72cdd6f43c1659ab08c580b6c44b6f37b9eb
[INFO] running `"docker" "start" "-a" "5cf347a21b4f3b866c86ac0caf8f72cdd6f43c1659ab08c580b6c44b6f37b9eb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusty_bird-662a6d886e39df3e
[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" "5cf347a21b4f3b866c86ac0caf8f72cdd6f43c1659ab08c580b6c44b6f37b9eb"`
[INFO] running `"docker" "rm" "-f" "5cf347a21b4f3b866c86ac0caf8f72cdd6f43c1659ab08c580b6c44b6f37b9eb"`
[INFO] [stdout] 5cf347a21b4f3b866c86ac0caf8f72cdd6f43c1659ab08c580b6c44b6f37b9eb