[INFO] crate fen 0.1.0 is already in cache
[INFO] extracting crate fen 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/fen/0.1.0
[INFO] extracting crate fen 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fen/0.1.0
[INFO] validating manifest of fen-0.1.0 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 fen-0.1.0 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 fen-0.1.0
[INFO] finished frobbing fen-0.1.0
[INFO] frobbed toml for fen-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/fen/0.1.0/Cargo.toml
[INFO] started frobbing fen-0.1.0
[INFO] finished frobbing fen-0.1.0
[INFO] frobbed toml for fen-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fen/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing fen-0.1.0 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-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fen/0.1.0:/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] 1ab430cc50259238142893055f910e67541ab9d8000706d6891cfa5c6658670a
[INFO] running `"docker" "start" "-a" "1ab430cc50259238142893055f910e67541ab9d8000706d6891cfa5c6658670a"`
[INFO] [stderr]    Compiling fen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::slice::SliceConcatExt::connect': renamed to join
[INFO] [stderr]    --> src/lib.rs:273:15
[INFO] [stderr]     |
[INFO] [stderr] 273 |         parts.connect(" ")
[INFO] [stderr]     |               ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "1ab430cc50259238142893055f910e67541ab9d8000706d6891cfa5c6658670a"`
[INFO] running `"docker" "rm" "-f" "1ab430cc50259238142893055f910e67541ab9d8000706d6891cfa5c6658670a"`
[INFO] [stdout] 1ab430cc50259238142893055f910e67541ab9d8000706d6891cfa5c6658670a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fen/0.1.0:/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] 7967f46dd3c1555771c8bce4274ceb6653cade3eaa288b02211457f5075bdad1
[INFO] running `"docker" "start" "-a" "7967f46dd3c1555771c8bce4274ceb6653cade3eaa288b02211457f5075bdad1"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::slice::SliceConcatExt::connect': renamed to join
[INFO] [stderr]    --> src/lib.rs:273:15
[INFO] [stderr]     |
[INFO] [stderr] 273 |         parts.connect(" ")
[INFO] [stderr]     |               ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "7967f46dd3c1555771c8bce4274ceb6653cade3eaa288b02211457f5075bdad1"`
[INFO] running `"docker" "rm" "-f" "7967f46dd3c1555771c8bce4274ceb6653cade3eaa288b02211457f5075bdad1"`
[INFO] [stdout] 7967f46dd3c1555771c8bce4274ceb6653cade3eaa288b02211457f5075bdad1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fen/0.1.0:/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] 5d3db6f8da81db49a740a427ee4c6410ac39b3f9d496fd10956eeee0312eccb2
[INFO] running `"docker" "start" "-a" "5d3db6f8da81db49a740a427ee4c6410ac39b3f9d496fd10956eeee0312eccb2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fen-439232b67a80ca9d
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test::test_bad_placement ... ok
[INFO] [stdout] test test::test_no_such_side ... ok
[INFO] [stdout] test test::test_to_and_from_fen ... ok
[INFO] [stdout] test test::test_too_many_pieces ... ok
[INFO] [stdout] test test::test_too_short ... ok
[INFO] [stdout] test test::test_bad_en_passant ... ok
[INFO] [stdout] test test::test_bad_fullmove ... ok
[INFO] [stdout] test test::test_bad_halfmove ... ok
[INFO] [stdout] test test::test_unknown_piece ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fen
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - BoardState::from_fen (line 102) ... ok
[INFO] [stdout] test src/lib.rs - BoardState::to_fen (line 258) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5d3db6f8da81db49a740a427ee4c6410ac39b3f9d496fd10956eeee0312eccb2"`
[INFO] running `"docker" "rm" "-f" "5d3db6f8da81db49a740a427ee4c6410ac39b3f9d496fd10956eeee0312eccb2"`
[INFO] [stdout] 5d3db6f8da81db49a740a427ee4c6410ac39b3f9d496fd10956eeee0312eccb2