[INFO] fetching crate segments 0.3.0...
[INFO] testing segments-0.3.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate segments 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate segments 0.3.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate segments 0.3.0
[INFO] finished tweaking crates.io crate segments 0.3.0
[INFO] tweaked toml for crates.io crate segments 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 3df79e0e041d3eaafd516921e549e96df26f2ac0bc80e77aef38700ac3c1ed33
[INFO] running `Command { std: "docker" "start" "-a" "3df79e0e041d3eaafd516921e549e96df26f2ac0bc80e77aef38700ac3c1ed33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3df79e0e041d3eaafd516921e549e96df26f2ac0bc80e77aef38700ac3c1ed33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df79e0e041d3eaafd516921e549e96df26f2ac0bc80e77aef38700ac3c1ed33", kill_on_drop: false }`
[INFO] [stdout] 3df79e0e041d3eaafd516921e549e96df26f2ac0bc80e77aef38700ac3c1ed33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77244641eb33bd7be47d06b31bcb799e6a12760ab7c4811b540540c8853212ff
[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" "77244641eb33bd7be47d06b31bcb799e6a12760ab7c4811b540540c8853212ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling segments v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "77244641eb33bd7be47d06b31bcb799e6a12760ab7c4811b540540c8853212ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77244641eb33bd7be47d06b31bcb799e6a12760ab7c4811b540540c8853212ff", kill_on_drop: false }`
[INFO] [stdout] 77244641eb33bd7be47d06b31bcb799e6a12760ab7c4811b540540c8853212ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e61315433959b51ebc6a3206ea7fd88c30fcaa05fca10b86549d98bb1c89741
[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" "6e61315433959b51ebc6a3206ea7fd88c30fcaa05fca10b86549d98bb1c89741", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling segments v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.28s
[INFO] running `Command { std: "docker" "inspect" "6e61315433959b51ebc6a3206ea7fd88c30fcaa05fca10b86549d98bb1c89741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e61315433959b51ebc6a3206ea7fd88c30fcaa05fca10b86549d98bb1c89741", kill_on_drop: false }`
[INFO] [stdout] 6e61315433959b51ebc6a3206ea7fd88c30fcaa05fca10b86549d98bb1c89741
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3b2bb5df638c74146f5983ca24c54d7275bbd9c2fbb9bc10a8891df5f31f44c
[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" "e3b2bb5df638c74146f5983ca24c54d7275bbd9c2fbb9bc10a8891df5f31f44c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/segments-0644cfd37323895e)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test disk::segment::test::second_time_initialization_happens_correctly ... ok
[INFO] [stdout] test memory::test::vectored_read_works_as_expected_2 ... ok
[INFO] [stdout] test memory::test::append_creates_and_deletes_segments_correctly ... ok
[INFO] [stdout] test memory::test::vectored_read_iterate_through_all_the_segments ... ok
[INFO] [stdout] test memory::test::vectored_reads_from_active_segment_resumes_after_empty_reads_correctly ... 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 memory::test::vectored_read_works_as_expected ... 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 disk::index::test::bulk_reads_work_as_expected ... ok
[INFO] [stdout] test memory::test::vectored_reads_from_active_segment_works_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::multi_segment_reads_work_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. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e3b2bb5df638c74146f5983ca24c54d7275bbd9c2fbb9bc10a8891df5f31f44c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b2bb5df638c74146f5983ca24c54d7275bbd9c2fbb9bc10a8891df5f31f44c", kill_on_drop: false }`
[INFO] [stdout] e3b2bb5df638c74146f5983ca24c54d7275bbd9c2fbb9bc10a8891df5f31f44c