[INFO] updating cached repository ColonelPhantom/fe_chess
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ColonelPhantom/fe_chess
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ColonelPhantom/fe_chess" "work/ex/beta-1.37-6/sources/1.36.0/gh/ColonelPhantom/fe_chess"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ColonelPhantom/fe_chess'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ColonelPhantom/fe_chess" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ColonelPhantom/fe_chess"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ColonelPhantom/fe_chess'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 420157fd09dd97662c1dd37de12c874c787fabce
[INFO] sha for GitHub repo ColonelPhantom/fe_chess: 420157fd09dd97662c1dd37de12c874c787fabce
[INFO] validating manifest of ColonelPhantom/fe_chess 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 ColonelPhantom/fe_chess 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 ColonelPhantom/fe_chess
[INFO] finished frobbing ColonelPhantom/fe_chess
[INFO] frobbed toml for ColonelPhantom/fe_chess written to work/ex/beta-1.37-6/sources/1.36.0/gh/ColonelPhantom/fe_chess/Cargo.toml
[INFO] started frobbing ColonelPhantom/fe_chess
[INFO] finished frobbing ColonelPhantom/fe_chess
[INFO] frobbed toml for ColonelPhantom/fe_chess written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ColonelPhantom/fe_chess/Cargo.toml
[INFO] crate ColonelPhantom/fe_chess 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 ColonelPhantom/fe_chess 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-2/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/ColonelPhantom/fe_chess:/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] e740e9139ef381069784b822a2ca836f81b0b3f1a16fc2c3f1a7367f6c6dcc99
[INFO] running `"docker" "start" "-a" "e740e9139ef381069784b822a2ca836f81b0b3f1a16fc2c3f1a7367f6c6dcc99"`
[INFO] [stderr]    Compiling encode_unicode v0.3.5
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling csv v1.0.7
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling shrust v0.0.6
[INFO] [stderr]    Compiling fe_chess v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `is_decided`
[INFO] [stderr]    --> src/search/mod.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn is_decided(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.61s
[INFO] running `"docker" "inspect" "e740e9139ef381069784b822a2ca836f81b0b3f1a16fc2c3f1a7367f6c6dcc99"`
[INFO] running `"docker" "rm" "-f" "e740e9139ef381069784b822a2ca836f81b0b3f1a16fc2c3f1a7367f6c6dcc99"`
[INFO] [stdout] e740e9139ef381069784b822a2ca836f81b0b3f1a16fc2c3f1a7367f6c6dcc99
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/ColonelPhantom/fe_chess:/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] e8f0b16570c0fcb22884d494ec4af3a15e9b64441e56bbb26d6a68dff0536e04
[INFO] running `"docker" "start" "-a" "e8f0b16570c0fcb22884d494ec4af3a15e9b64441e56bbb26d6a68dff0536e04"`
[INFO] [stderr]    Compiling fe_chess v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `is_decided`
[INFO] [stderr]    --> src/search/mod.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn is_decided(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "e8f0b16570c0fcb22884d494ec4af3a15e9b64441e56bbb26d6a68dff0536e04"`
[INFO] running `"docker" "rm" "-f" "e8f0b16570c0fcb22884d494ec4af3a15e9b64441e56bbb26d6a68dff0536e04"`
[INFO] [stdout] e8f0b16570c0fcb22884d494ec4af3a15e9b64441e56bbb26d6a68dff0536e04
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/ColonelPhantom/fe_chess:/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] ad92eee6e66032486fdf6d8ad45613d974fe37bef32ea97f226c002d05c74cfd
[INFO] running `"docker" "start" "-a" "ad92eee6e66032486fdf6d8ad45613d974fe37bef32ea97f226c002d05c74cfd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fe_chess-ff250b243a1fb819
[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" "ad92eee6e66032486fdf6d8ad45613d974fe37bef32ea97f226c002d05c74cfd"`
[INFO] running `"docker" "rm" "-f" "ad92eee6e66032486fdf6d8ad45613d974fe37bef32ea97f226c002d05c74cfd"`
[INFO] [stdout] ad92eee6e66032486fdf6d8ad45613d974fe37bef32ea97f226c002d05c74cfd