[INFO] updating cached repository https://github.com/agourlay/hotel-scheduling-puzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f463558350ba1b5e16047a82bc75c0c1c447a7f
[INFO] testing agourlay/hotel-scheduling-puzzle against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagourlay%2Fhotel-scheduling-puzzle" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agourlay/hotel-scheduling-puzzle on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/agourlay/hotel-scheduling-puzzle
[INFO] finished tweaking git repo https://github.com/agourlay/hotel-scheduling-puzzle
[INFO] tweaked toml for git repo https://github.com/agourlay/hotel-scheduling-puzzle written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/agourlay/hotel-scheduling-puzzle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54f526a2f4bac07bc9a8f0b81b2ba78410fcbbe7617a6fd677da8538ac8add2a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "54f526a2f4bac07bc9a8f0b81b2ba78410fcbbe7617a6fd677da8538ac8add2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54f526a2f4bac07bc9a8f0b81b2ba78410fcbbe7617a6fd677da8538ac8add2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54f526a2f4bac07bc9a8f0b81b2ba78410fcbbe7617a6fd677da8538ac8add2a", kill_on_drop: false }`
[INFO] [stdout] 54f526a2f4bac07bc9a8f0b81b2ba78410fcbbe7617a6fd677da8538ac8add2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f22996352dd5638fba016c9ecd0dfeee51895a8bbfdd09b228666b22643030f8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f22996352dd5638fba016c9ecd0dfeee51895a8bbfdd09b228666b22643030f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling hotel-scheduling-puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/main.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn new(id: usize, start: usize, end: usize) -> Guest {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/main.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn new(bed_id: usize, schedule: Vec<Stay>) -> BedSchedule {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "f22996352dd5638fba016c9ecd0dfeee51895a8bbfdd09b228666b22643030f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f22996352dd5638fba016c9ecd0dfeee51895a8bbfdd09b228666b22643030f8", kill_on_drop: false }`
[INFO] [stdout] f22996352dd5638fba016c9ecd0dfeee51895a8bbfdd09b228666b22643030f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 664bb5e1b3d195995f5fce2a51e74090b4e5dd5ff6b1b8c0f43114bdd9f012f7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "664bb5e1b3d195995f5fce2a51e74090b4e5dd5ff6b1b8c0f43114bdd9f012f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling hotel-scheduling-puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "664bb5e1b3d195995f5fce2a51e74090b4e5dd5ff6b1b8c0f43114bdd9f012f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "664bb5e1b3d195995f5fce2a51e74090b4e5dd5ff6b1b8c0f43114bdd9f012f7", kill_on_drop: false }`
[INFO] [stdout] 664bb5e1b3d195995f5fce2a51e74090b4e5dd5ff6b1b8c0f43114bdd9f012f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a83b0099c53acfec390ac511ddeddf30bded256f661883bfb7414b8ee3f96753
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a83b0099c53acfec390ac511ddeddf30bded256f661883bfb7414b8ee3f96753", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hotel_scheduling_puzzle-914b2ea35a5176ab
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::maximise_number_of_host_per_bed_bis ... ok
[INFO] [stdout] test tests::maximise_number_of_host_per_bed ... ok
[INFO] [stdout] test tests::empty_beds_possible ... ok
[INFO] [stdout] test tests::no_guests_no_schedules ... ok
[INFO] [stdout] test tests::overlapping_guests_use_different_beds ... ok
[INFO] [stdout] test tests::maximises_number_hosts_over_bed_occupation_one_bed ... ok
[INFO] [stdout] test tests::maximises_number_hosts_over_bed_occupation_two_beds ... ok
[INFO] [stdout] test tests::schedule_all_guests_in_single_bed_if_no_overlap ... ok
[INFO] [stdout] test tests::all_guests_fit_in_one_bed_without_overlap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a83b0099c53acfec390ac511ddeddf30bded256f661883bfb7414b8ee3f96753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a83b0099c53acfec390ac511ddeddf30bded256f661883bfb7414b8ee3f96753", kill_on_drop: false }`
[INFO] [stdout] a83b0099c53acfec390ac511ddeddf30bded256f661883bfb7414b8ee3f96753