[INFO] updating cached repository https://github.com/thokjo12/fuzzy-reasoning-mamdani
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eb181161df680e0ef40228cc9aae4d99782a19c8
[INFO] testing thokjo12/fuzzy-reasoning-mamdani against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthokjo12%2Ffuzzy-reasoning-mamdani" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thokjo12/fuzzy-reasoning-mamdani on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/thokjo12/fuzzy-reasoning-mamdani
[INFO] finished tweaking git repo https://github.com/thokjo12/fuzzy-reasoning-mamdani
[INFO] tweaked toml for git repo https://github.com/thokjo12/fuzzy-reasoning-mamdani written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/thokjo12/fuzzy-reasoning-mamdani already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 2d9202d90ea154f4b9b376b0307cae3a8a16c3af8190fde661427371b3a3e7b5
[INFO] running `"docker" "start" "-a" "2d9202d90ea154f4b9b376b0307cae3a8a16c3af8190fde661427371b3a3e7b5"`
[INFO] [stderr]    Compiling fuzzy-reasoning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `value` is never read
[INFO] [stderr]    --> src/fuzzy_structures.rs:123:17
[INFO] [stderr]     |
[INFO] [stderr] 123 |         let mut value: f64 = 0.0;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value` is never read
[INFO] [stderr]    --> src/fuzzy_structures.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let mut value: f64 = 0.0;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `contains` is never read
[INFO] [stderr]    --> src/fuzzy_structures.rs:179:17
[INFO] [stderr]     |
[INFO] [stderr] 179 |         let mut contains = false;
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "2d9202d90ea154f4b9b376b0307cae3a8a16c3af8190fde661427371b3a3e7b5"`
[INFO] running `"docker" "rm" "-f" "2d9202d90ea154f4b9b376b0307cae3a8a16c3af8190fde661427371b3a3e7b5"`
[INFO] [stdout] 2d9202d90ea154f4b9b376b0307cae3a8a16c3af8190fde661427371b3a3e7b5
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] d30cd801c44173088b47c92d6dd5b4ef83700d4e7718b6ae0084d340b303867e
[INFO] running `"docker" "start" "-a" "d30cd801c44173088b47c92d6dd5b4ef83700d4e7718b6ae0084d340b303867e"`
[INFO] [stderr]    Compiling fuzzy-reasoning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `value` is never read
[INFO] [stderr]    --> src/fuzzy_structures.rs:123:17
[INFO] [stderr]     |
[INFO] [stderr] 123 |         let mut value: f64 = 0.0;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value` is never read
[INFO] [stderr]    --> src/fuzzy_structures.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let mut value: f64 = 0.0;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `contains` is never read
[INFO] [stderr]    --> src/fuzzy_structures.rs:179:17
[INFO] [stderr]     |
[INFO] [stderr] 179 |         let mut contains = false;
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "d30cd801c44173088b47c92d6dd5b4ef83700d4e7718b6ae0084d340b303867e"`
[INFO] running `"docker" "rm" "-f" "d30cd801c44173088b47c92d6dd5b4ef83700d4e7718b6ae0084d340b303867e"`
[INFO] [stdout] d30cd801c44173088b47c92d6dd5b4ef83700d4e7718b6ae0084d340b303867e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] d956d528e3c3b0511e77d0f094db9ac20fcc141bd396363bdc3d158c5ebad08e
[INFO] running `"docker" "start" "-a" "d956d528e3c3b0511e77d0f094db9ac20fcc141bd396363bdc3d158c5ebad08e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fuzzy_reasoning-6c3fcb51831ea740
[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" "d956d528e3c3b0511e77d0f094db9ac20fcc141bd396363bdc3d158c5ebad08e"`
[INFO] running `"docker" "rm" "-f" "d956d528e3c3b0511e77d0f094db9ac20fcc141bd396363bdc3d158c5ebad08e"`
[INFO] [stdout] d956d528e3c3b0511e77d0f094db9ac20fcc141bd396363bdc3d158c5ebad08e