[INFO] cloning 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" "clone" "--bare" "https://github.com/agourlay/hotel-scheduling-puzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagourlay%2Fhotel-scheduling-puzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagourlay%2Fhotel-scheduling-puzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f463558350ba1b5e16047a82bc75c0c1c447a7f
[INFO] testing agourlay/hotel-scheduling-puzzle against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagourlay%2Fhotel-scheduling-puzzle" "/workspace/builds/worker-88/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agourlay/hotel-scheduling-puzzle on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-88/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5d6b4955040a1f62f4adb093feaa7db3558e7ccb5166b5bc0d42992488e8e1f
[INFO] running `Command { std: "docker" "start" "-a" "b5d6b4955040a1f62f4adb093feaa7db3558e7ccb5166b5bc0d42992488e8e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5d6b4955040a1f62f4adb093feaa7db3558e7ccb5166b5bc0d42992488e8e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d6b4955040a1f62f4adb093feaa7db3558e7ccb5166b5bc0d42992488e8e1f", kill_on_drop: false }`
[INFO] [stdout] b5d6b4955040a1f62f4adb093feaa7db3558e7ccb5166b5bc0d42992488e8e1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbe7d160d1f0763d5a64ea93fee1e799d6c2df974c2cf7ef8ae47c3254c7cc26
[INFO] running `Command { std: "docker" "start" "-a" "cbe7d160d1f0763d5a64ea93fee1e799d6c2df974c2cf7ef8ae47c3254c7cc26", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 2.15s
[INFO] running `Command { std: "docker" "inspect" "cbe7d160d1f0763d5a64ea93fee1e799d6c2df974c2cf7ef8ae47c3254c7cc26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe7d160d1f0763d5a64ea93fee1e799d6c2df974c2cf7ef8ae47c3254c7cc26", kill_on_drop: false }`
[INFO] [stdout] cbe7d160d1f0763d5a64ea93fee1e799d6c2df974c2cf7ef8ae47c3254c7cc26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88dc4e389b2a3edcf305282aae5c7b06164b0033a90317a8b23a61cd90c47f56
[INFO] running `Command { std: "docker" "start" "-a" "88dc4e389b2a3edcf305282aae5c7b06164b0033a90317a8b23a61cd90c47f56", 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 0.95s
[INFO] running `Command { std: "docker" "inspect" "88dc4e389b2a3edcf305282aae5c7b06164b0033a90317a8b23a61cd90c47f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88dc4e389b2a3edcf305282aae5c7b06164b0033a90317a8b23a61cd90c47f56", kill_on_drop: false }`
[INFO] [stdout] 88dc4e389b2a3edcf305282aae5c7b06164b0033a90317a8b23a61cd90c47f56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 31fe0802cf0dd11a3b3a7841d9f48e41ed57eb17e2e03ab19b06c0c56fd29f6e
[INFO] running `Command { std: "docker" "start" "-a" "31fe0802cf0dd11a3b3a7841d9f48e41ed57eb17e2e03ab19b06c0c56fd29f6e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hotel_scheduling_puzzle-fd45ac581a7460bd)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::empty_beds_possible ... ok
[INFO] [stdout] test tests::maximise_number_of_host_per_bed ... ok
[INFO] [stdout] test tests::maximise_number_of_host_per_bed_bis ... ok
[INFO] [stdout] test tests::maximises_number_hosts_over_bed_occupation_two_beds ... ok
[INFO] [stdout] test tests::maximises_number_hosts_over_bed_occupation_one_bed ... ok
[INFO] [stdout] test tests::no_guests_no_schedules ... ok
[INFO] [stdout] test tests::overlapping_guests_use_different_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; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "31fe0802cf0dd11a3b3a7841d9f48e41ed57eb17e2e03ab19b06c0c56fd29f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31fe0802cf0dd11a3b3a7841d9f48e41ed57eb17e2e03ab19b06c0c56fd29f6e", kill_on_drop: false }`
[INFO] [stdout] 31fe0802cf0dd11a3b3a7841d9f48e41ed57eb17e2e03ab19b06c0c56fd29f6e