[INFO] updating cached repository https://github.com/jsdw/seating-arrangement
[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] a6692e7ba424e7160b8c37c2471de225ac79bef5
[INFO] testing jsdw/seating-arrangement against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsdw%2Fseating-arrangement" "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/jsdw/seating-arrangement 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/jsdw/seating-arrangement
[INFO] finished tweaking git repo https://github.com/jsdw/seating-arrangement
[INFO] tweaked toml for git repo https://github.com/jsdw/seating-arrangement written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/jsdw/seating-arrangement 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] ee175ac9b560401028ae00aa6c2a6b5d2886528246c3731c0ab469928be769be
[INFO] running `"docker" "start" "-a" "ee175ac9b560401028ae00aa6c2a6b5d2886528246c3731c0ab469928be769be"`
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling ctrlc v3.1.3
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling bstr v0.2.7
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling seating-arrangement v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `individual_cost`
[INFO] [stderr]   --> src/cost.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn individual_cost(&self, seats: &Seats<'_,T>, index: usize) -> isize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cost_of_move`
[INFO] [stderr]    --> src/search.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn cost_of_move<'t,F>(&self, seats: &mut Seats<'t,Id>, cost: &Cost<Id,F>) -> isize where F: Fn(&Id,&Id) -> Option<isize> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.90s
[INFO] running `"docker" "inspect" "ee175ac9b560401028ae00aa6c2a6b5d2886528246c3731c0ab469928be769be"`
[INFO] running `"docker" "rm" "-f" "ee175ac9b560401028ae00aa6c2a6b5d2886528246c3731c0ab469928be769be"`
[INFO] [stdout] ee175ac9b560401028ae00aa6c2a6b5d2886528246c3731c0ab469928be769be
[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] 5275cde032a450c506cbf96cddaae19e20616d9c5c52e8d2e0eb4c8ce1d96d7d
[INFO] running `"docker" "start" "-a" "5275cde032a450c506cbf96cddaae19e20616d9c5c52e8d2e0eb4c8ce1d96d7d"`
[INFO] [stderr]    Compiling seating-arrangement v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `individual_cost`
[INFO] [stderr]   --> src/cost.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn individual_cost(&self, seats: &Seats<'_,T>, index: usize) -> isize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cost_of_move`
[INFO] [stderr]    --> src/search.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn cost_of_move<'t,F>(&self, seats: &mut Seats<'t,Id>, cost: &Cost<Id,F>) -> isize where F: Fn(&Id,&Id) -> Option<isize> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `"docker" "inspect" "5275cde032a450c506cbf96cddaae19e20616d9c5c52e8d2e0eb4c8ce1d96d7d"`
[INFO] running `"docker" "rm" "-f" "5275cde032a450c506cbf96cddaae19e20616d9c5c52e8d2e0eb4c8ce1d96d7d"`
[INFO] [stdout] 5275cde032a450c506cbf96cddaae19e20616d9c5c52e8d2e0eb4c8ce1d96d7d
[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] cb1e30429c2f28d9a3722842ff6d675ad1a9cb17c667fdb26b3410e5d58433e6
[INFO] running `"docker" "start" "-a" "cb1e30429c2f28d9a3722842ff6d675ad1a9cb17c667fdb26b3410e5d58433e6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/seating_arrangement-79fa7da79f011698
[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" "cb1e30429c2f28d9a3722842ff6d675ad1a9cb17c667fdb26b3410e5d58433e6"`
[INFO] running `"docker" "rm" "-f" "cb1e30429c2f28d9a3722842ff6d675ad1a9cb17c667fdb26b3410e5d58433e6"`
[INFO] [stdout] cb1e30429c2f28d9a3722842ff6d675ad1a9cb17c667fdb26b3410e5d58433e6