[INFO] updating cached repository ProgramFOX/winning-chances-lichess
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ProgramFOX/winning-chances-lichess
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ProgramFOX/winning-chances-lichess" "work/ex/beta-1.38-1/sources/1.37.0/gh/ProgramFOX/winning-chances-lichess"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ProgramFOX/winning-chances-lichess'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ProgramFOX/winning-chances-lichess" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ProgramFOX/winning-chances-lichess"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ProgramFOX/winning-chances-lichess'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7cc7145bfe860e6ead3f5aaae41117d6ca3b21c8
[INFO] sha for GitHub repo ProgramFOX/winning-chances-lichess: 7cc7145bfe860e6ead3f5aaae41117d6ca3b21c8
[INFO] validating manifest of ProgramFOX/winning-chances-lichess 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 ProgramFOX/winning-chances-lichess 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 ProgramFOX/winning-chances-lichess
[INFO] finished frobbing ProgramFOX/winning-chances-lichess
[INFO] frobbed toml for ProgramFOX/winning-chances-lichess written to work/ex/beta-1.38-1/sources/1.37.0/gh/ProgramFOX/winning-chances-lichess/Cargo.toml
[INFO] started frobbing ProgramFOX/winning-chances-lichess
[INFO] finished frobbing ProgramFOX/winning-chances-lichess
[INFO] frobbed toml for ProgramFOX/winning-chances-lichess written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ProgramFOX/winning-chances-lichess/Cargo.toml
[INFO] crate ProgramFOX/winning-chances-lichess 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ProgramFOX/winning-chances-lichess against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ProgramFOX/winning-chances-lichess:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] fdc27baff34cc89742a491e13e3c0abcea9cf6e67b1bbbd5ca3137f8588999a8
[INFO] running `"docker" "start" "-a" "fdc27baff34cc89742a491e13e3c0abcea9cf6e67b1bbbd5ca3137f8588999a8"`
[INFO] [stderr]    Compiling winning-chances v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> lib.rs:175:17
[INFO] [stderr]     |
[INFO] [stderr] 175 |             let mut relevant_set = match result_lowest_pov {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `"docker" "inspect" "fdc27baff34cc89742a491e13e3c0abcea9cf6e67b1bbbd5ca3137f8588999a8"`
[INFO] running `"docker" "rm" "-f" "fdc27baff34cc89742a491e13e3c0abcea9cf6e67b1bbbd5ca3137f8588999a8"`
[INFO] [stdout] fdc27baff34cc89742a491e13e3c0abcea9cf6e67b1bbbd5ca3137f8588999a8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ProgramFOX/winning-chances-lichess:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] fbec2bda5ee9e78cbc929d7b67b151e235835a507dddabc32e2a1e23be0db34d
[INFO] running `"docker" "start" "-a" "fbec2bda5ee9e78cbc929d7b67b151e235835a507dddabc32e2a1e23be0db34d"`
[INFO] [stderr]    Compiling winning-chances v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> lib.rs:175:17
[INFO] [stderr]     |
[INFO] [stderr] 175 |             let mut relevant_set = match result_lowest_pov {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "fbec2bda5ee9e78cbc929d7b67b151e235835a507dddabc32e2a1e23be0db34d"`
[INFO] running `"docker" "rm" "-f" "fbec2bda5ee9e78cbc929d7b67b151e235835a507dddabc32e2a1e23be0db34d"`
[INFO] [stdout] fbec2bda5ee9e78cbc929d7b67b151e235835a507dddabc32e2a1e23be0db34d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ProgramFOX/winning-chances-lichess:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] b80413604543b505121666366e0af2ee24a32fb76414e4d77b4b36bc0c6c8777
[INFO] running `"docker" "start" "-a" "b80413604543b505121666366e0af2ee24a32fb76414e4d77b4b36bc0c6c8777"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/winning_chances_core-ddb96ca4db0781ba
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_round_rating ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [stderr]      Running /opt/crater/target/debug/deps/winning_chances-b07af92fa6ac36f9
[INFO] [stderr]    Doc-tests winning_chances_core
[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" "b80413604543b505121666366e0af2ee24a32fb76414e4d77b4b36bc0c6c8777"`
[INFO] running `"docker" "rm" "-f" "b80413604543b505121666366e0af2ee24a32fb76414e4d77b4b36bc0c6c8777"`
[INFO] [stdout] b80413604543b505121666366e0af2ee24a32fb76414e4d77b4b36bc0c6c8777