[INFO] fetching crate closest-sum-pair 1.0.0...
[INFO] testing closest-sum-pair-1.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate closest-sum-pair 1.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate closest-sum-pair 1.0.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate closest-sum-pair 1.0.0
[INFO] finished tweaking crates.io crate closest-sum-pair 1.0.0
[INFO] tweaked toml for crates.io crate closest-sum-pair 1.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 472e528b8a990252996cad3aaa89d8ca3167f48fab0bf4bf9614b53bbf5e2c9a
[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" "472e528b8a990252996cad3aaa89d8ca3167f48fab0bf4bf9614b53bbf5e2c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "472e528b8a990252996cad3aaa89d8ca3167f48fab0bf4bf9614b53bbf5e2c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "472e528b8a990252996cad3aaa89d8ca3167f48fab0bf4bf9614b53bbf5e2c9a", kill_on_drop: false }`
[INFO] [stdout] 472e528b8a990252996cad3aaa89d8ca3167f48fab0bf4bf9614b53bbf5e2c9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf068bb192bd022932670a7a0d9a01b2d1575fb6273e33eee262ad892716f1c2
[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" "cf068bb192bd022932670a7a0d9a01b2d1575fb6273e33eee262ad892716f1c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling closest-sum-pair v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "cf068bb192bd022932670a7a0d9a01b2d1575fb6273e33eee262ad892716f1c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf068bb192bd022932670a7a0d9a01b2d1575fb6273e33eee262ad892716f1c2", kill_on_drop: false }`
[INFO] [stdout] cf068bb192bd022932670a7a0d9a01b2d1575fb6273e33eee262ad892716f1c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 103dd43e606866d6b9cb09e420371eea2e1585a4645454ec3c4122338b26ad64
[INFO] running `Command { std: "docker" "start" "-a" "103dd43e606866d6b9cb09e420371eea2e1585a4645454ec3c4122338b26ad64", kill_on_drop: false }`
[INFO] [stderr]    Compiling closest-sum-pair v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "103dd43e606866d6b9cb09e420371eea2e1585a4645454ec3c4122338b26ad64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "103dd43e606866d6b9cb09e420371eea2e1585a4645454ec3c4122338b26ad64", kill_on_drop: false }`
[INFO] [stdout] 103dd43e606866d6b9cb09e420371eea2e1585a4645454ec3c4122338b26ad64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] adf8e0288b7cf4bfaab45ca3300429dc6080a451a6501d82f8b8f86ab73f87eb
[INFO] running `Command { std: "docker" "start" "-a" "adf8e0288b7cf4bfaab45ca3300429dc6080a451a6501d82f8b8f86ab73f87eb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/closest_sum_pair-9e8463bba78851b1)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-f6a309b385b9ad52)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::negative_lower ... ok
[INFO] [stdout] test tests::mixed_upper ... ok
[INFO] [stdout] test tests::mixed_lower ... ok
[INFO] [stdout] test tests::float_test ... ok
[INFO] [stdout] test tests::positive_lower ... ok
[INFO] [stdout] test tests::negative_upper ... ok
[INFO] [stdout] test tests::positive_upper ... ok
[INFO] [stdout] test tests::mixed_middle ... ok
[INFO] [stderr]    Doc-tests closest-sum-pair
[INFO] [stdout] test tests::positive_middle ... ok
[INFO] [stdout] test tests::negative_middle ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/interface.rs - interface::find_pair (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "adf8e0288b7cf4bfaab45ca3300429dc6080a451a6501d82f8b8f86ab73f87eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf8e0288b7cf4bfaab45ca3300429dc6080a451a6501d82f8b8f86ab73f87eb", kill_on_drop: false }`
[INFO] [stdout] adf8e0288b7cf4bfaab45ca3300429dc6080a451a6501d82f8b8f86ab73f87eb