[INFO] fetching crate segments 0.3.0...
[INFO] testing segments-0.3.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate segments 0.3.0 into /workspace/builds/worker-0-tc1/source
[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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate segments 0.3.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding pretty_assertions v0.6.1 (available: v1.4.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded ctor v0.1.26
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9b1158a052a6fddb5f485436a03204220428caef5036e193b99e035c3a026c4
[INFO] running `Command { std: "docker" "start" "-a" "c9b1158a052a6fddb5f485436a03204220428caef5036e193b99e035c3a026c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9b1158a052a6fddb5f485436a03204220428caef5036e193b99e035c3a026c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b1158a052a6fddb5f485436a03204220428caef5036e193b99e035c3a026c4", kill_on_drop: false }`
[INFO] [stdout] c9b1158a052a6fddb5f485436a03204220428caef5036e193b99e035c3a026c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2610e0c56d4de4f14d305cf234af08f497e4581bfc3410438113861e779ce37
[INFO] running `Command { std: "docker" "start" "-a" "e2610e0c56d4de4f14d305cf234af08f497e4581bfc3410438113861e779ce37", kill_on_drop: false }`
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling segments v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "e2610e0c56d4de4f14d305cf234af08f497e4581bfc3410438113861e779ce37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2610e0c56d4de4f14d305cf234af08f497e4581bfc3410438113861e779ce37", kill_on_drop: false }`
[INFO] [stdout] e2610e0c56d4de4f14d305cf234af08f497e4581bfc3410438113861e779ce37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 479d5b8d9094782922c9096414285cf78fc0c575132178c807b18b5c525682e0
[INFO] running `Command { std: "docker" "start" "-a" "479d5b8d9094782922c9096414285cf78fc0c575132178c807b18b5c525682e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling segments v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "479d5b8d9094782922c9096414285cf78fc0c575132178c807b18b5c525682e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "479d5b8d9094782922c9096414285cf78fc0c575132178c807b18b5c525682e0", kill_on_drop: false }`
[INFO] [stdout] 479d5b8d9094782922c9096414285cf78fc0c575132178c807b18b5c525682e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 31c17a5daf63a02e6d0e1d919ca1925be8b30710e1412416054dc98b4e7f50cd
[INFO] running `Command { std: "docker" "start" "-a" "31c17a5daf63a02e6d0e1d919ca1925be8b30710e1412416054dc98b4e7f50cd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/segments-df5e804a5c328c2e)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test disk::index::test::write_and_read_works_as_expected ... ok
[INFO] [stdout] test disk::segment::test::second_time_initialization_happens_correctly ... ok
[INFO] [stdout] test disk::test::vectored_reads_crosses_boundary_correctly ... ok
[INFO] [stdout] test memory::test::append_creates_and_deletes_segments_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_read_iterate_through_all_the_segments ... 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 memory::test::vectored_read_works_as_expected_2 ... ok
[INFO] [stdout] test memory::test::vectored_reads_from_active_segment_resumes_after_empty_reads_correctly ... ok
[INFO] [stdout] test memory::test::vectored_reads_from_active_segment_works_as_expected ... ok
[INFO] [stdout] test disk::test::vectored_read_more_than_full_chomp_works_as_expected ... ok
[INFO] [stdout] test disk::test::vectored_read_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] [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 0.09s
[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" "31c17a5daf63a02e6d0e1d919ca1925be8b30710e1412416054dc98b4e7f50cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c17a5daf63a02e6d0e1d919ca1925be8b30710e1412416054dc98b4e7f50cd", kill_on_drop: false }`
[INFO] [stdout] 31c17a5daf63a02e6d0e1d919ca1925be8b30710e1412416054dc98b4e7f50cd