[INFO] fetching crate segments 0.1.0...
[INFO] testing segments-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate segments 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate segments 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bf719beff9345ec885a68d319f1457f56ccbe75b16a68e22f15007c85452ba2
[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" "1bf719beff9345ec885a68d319f1457f56ccbe75b16a68e22f15007c85452ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bf719beff9345ec885a68d319f1457f56ccbe75b16a68e22f15007c85452ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf719beff9345ec885a68d319f1457f56ccbe75b16a68e22f15007c85452ba2", kill_on_drop: false }`
[INFO] [stdout] 1bf719beff9345ec885a68d319f1457f56ccbe75b16a68e22f15007c85452ba2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a3d500fd7eb3a13b69036ed6ea7bac5fc5d2d14c755db40fca93f6706fe5dd9
[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" "6a3d500fd7eb3a13b69036ed6ea7bac5fc5d2d14c755db40fca93f6706fe5dd9", 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 1.72s
[INFO] running `Command { std: "docker" "inspect" "6a3d500fd7eb3a13b69036ed6ea7bac5fc5d2d14c755db40fca93f6706fe5dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3d500fd7eb3a13b69036ed6ea7bac5fc5d2d14c755db40fca93f6706fe5dd9", kill_on_drop: false }`
[INFO] [stdout] 6a3d500fd7eb3a13b69036ed6ea7bac5fc5d2d14c755db40fca93f6706fe5dd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "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] dcce5a427af4046a53cc3f0742a171f7b16bcd6b8820063daffdf061bcc3ea9c
[INFO] running `Command { std: "docker" "start" "-a" "dcce5a427af4046a53cc3f0742a171f7b16bcd6b8820063daffdf061bcc3ea9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling segments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.94s
[INFO] running `Command { std: "docker" "inspect" "dcce5a427af4046a53cc3f0742a171f7b16bcd6b8820063daffdf061bcc3ea9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcce5a427af4046a53cc3f0742a171f7b16bcd6b8820063daffdf061bcc3ea9c", kill_on_drop: false }`
[INFO] [stdout] dcce5a427af4046a53cc3f0742a171f7b16bcd6b8820063daffdf061bcc3ea9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e356dd7e8a54acabffffa92fae3f2250a8f2f0766bd79523a1e0c0f32876c1b
[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" "0e356dd7e8a54acabffffa92fae3f2250a8f2f0766bd79523a1e0c0f32876c1b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 16 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/segments-aa01908615736d39
[INFO] [stdout] test memory::test::append_creates_and_deletes_segments_correctly ... ok
[INFO] [stdout] test disk::segment::test::second_time_initialization_happens_correctly ... ok
[INFO] [stdout] test memory::test::vectored_read_works_as_expected ... ok
[INFO] [stdout] test memory::test::vectored_reads_from_active_segment_resumes_after_empty_reads_correctly ... ok
[INFO] [stdout] test memory::test::last_active_segment_read_jumps_to_next_segment_read_correctly ... ok
[INFO] [stdout] test memory::test::vectored_reads_reports_jumps_at_boundary ... ok
[INFO] [stdout] test disk::index::test::bulk_reads_work_as_expected ... ok
[INFO] [stdout] test disk::index::test::write_and_read_works_as_expected ... ok
[INFO] [stdout] test disk::test::vectored_reads_on_unclosed_index_and_segment_works_as_expected ... ok
[INFO] [stdout] test disk::test::vectored_reads_crosses_boundary_correctly ... 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 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] [stderr]    Doc-tests segments
[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
[INFO] [stdout] 
[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 `Command { std: "docker" "inspect" "0e356dd7e8a54acabffffa92fae3f2250a8f2f0766bd79523a1e0c0f32876c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e356dd7e8a54acabffffa92fae3f2250a8f2f0766bd79523a1e0c0f32876c1b", kill_on_drop: false }`
[INFO] [stdout] 0e356dd7e8a54acabffffa92fae3f2250a8f2f0766bd79523a1e0c0f32876c1b