[INFO] fetching crate segments 0.1.0...
[INFO] testing segments-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate segments 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate segments 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate segments 0.1.0
[INFO] finished tweaking crates.io crate segments 0.1.0
[INFO] tweaked toml for crates.io crate segments 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] ad5acf9c46790509f4f86fcb44b9b3a550feea81370021a7891665e53fd8a0ec
[INFO] running `Command { std: "docker" "start" "-a" "ad5acf9c46790509f4f86fcb44b9b3a550feea81370021a7891665e53fd8a0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad5acf9c46790509f4f86fcb44b9b3a550feea81370021a7891665e53fd8a0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad5acf9c46790509f4f86fcb44b9b3a550feea81370021a7891665e53fd8a0ec", kill_on_drop: false }`
[INFO] [stdout] ad5acf9c46790509f4f86fcb44b9b3a550feea81370021a7891665e53fd8a0ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03b7b6db5defa61af09a98ef21895f279dcb191426e5255fe21ad21052e6e3c5
[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" "03b7b6db5defa61af09a98ef21895f279dcb191426e5255fe21ad21052e6e3c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling segments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "03b7b6db5defa61af09a98ef21895f279dcb191426e5255fe21ad21052e6e3c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b7b6db5defa61af09a98ef21895f279dcb191426e5255fe21ad21052e6e3c5", kill_on_drop: false }`
[INFO] [stdout] 03b7b6db5defa61af09a98ef21895f279dcb191426e5255fe21ad21052e6e3c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8aa30b58d89e9a1923abc286e0e43499549df51266a8197ebd44aec074c2547
[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" "f8aa30b58d89e9a1923abc286e0e43499549df51266a8197ebd44aec074c2547", kill_on_drop: false }`
[INFO] [stderr]    Compiling segments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "f8aa30b58d89e9a1923abc286e0e43499549df51266a8197ebd44aec074c2547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8aa30b58d89e9a1923abc286e0e43499549df51266a8197ebd44aec074c2547", kill_on_drop: false }`
[INFO] [stdout] f8aa30b58d89e9a1923abc286e0e43499549df51266a8197ebd44aec074c2547
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] ac7627bb9a42ae27971ec6c1ce5f15ec1be1b1cd0cff1592997f9e17f215509c
[INFO] running `Command { std: "docker" "start" "-a" "ac7627bb9a42ae27971ec6c1ce5f15ec1be1b1cd0cff1592997f9e17f215509c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/segments-c8284d857c813a2d
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test disk::segment::test::second_time_initialization_happens_correctly ... ok
[INFO] [stdout] test memory::test::append_creates_and_deletes_segments_correctly ... ok
[INFO] [stdout] test disk::test::vectored_reads_on_unclosed_index_and_segment_works_as_expected ... ok
[INFO] [stdout] test disk::index::test::bulk_reads_work_as_expected ... ok
[INFO] [stdout] test memory::test::vectored_reads_from_active_segment_resumes_after_empty_reads_correctly ... ok
[INFO] [stdout] test disk::test::vectored_reads_crosses_boundary_correctly ... ok
[INFO] [stdout] test memory::test::last_active_segment_read_jumps_to_next_segment_read_correctly ... ok
[INFO] [stdout] test memory::test::vectored_read_works_as_expected ... ok
[INFO] [stdout] test disk::index::test::write_and_read_works_as_expected ... ok
[INFO] [stdout] test memory::test::vectored_reads_reports_jumps_at_boundary ... ok
[INFO] [stdout] test memory::test::vectored_reads_from_active_segment_works_as_expected ... ok
[INFO] [stdout] test disk::test::vectored_reads_in_different_boots_works_as_expected ... ok
[INFO] [stdout] test disk::test::multi_segment_reads_work_as_expected ... ok
[INFO] [stdout] test disk::test::vectored_read_works_as_expected ... ok
[INFO] [stdout] test disk::test::vectored_read_more_than_full_chomp_works_as_expected ... ok
[INFO] [stdout] test disk::test::append_creates_and_deletes_segments_correctly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests segments
[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] running `Command { std: "docker" "inspect" "ac7627bb9a42ae27971ec6c1ce5f15ec1be1b1cd0cff1592997f9e17f215509c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac7627bb9a42ae27971ec6c1ce5f15ec1be1b1cd0cff1592997f9e17f215509c", kill_on_drop: false }`
[INFO] [stdout] ac7627bb9a42ae27971ec6c1ce5f15ec1be1b1cd0cff1592997f9e17f215509c