[INFO] fetching crate voladdress 0.4.5...
[INFO] testing voladdress-0.4.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate voladdress 0.4.5 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate voladdress 0.4.5 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate voladdress 0.4.5
[INFO] finished tweaking crates.io crate voladdress 0.4.5
[INFO] tweaked toml for crates.io crate voladdress 0.4.5 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3344fa18dfc2be2c0ee95dbbf5dc2ea942d9e7930746febf173bb7553bc5fb5
[INFO] running `Command { std: "docker" "start" "-a" "c3344fa18dfc2be2c0ee95dbbf5dc2ea942d9e7930746febf173bb7553bc5fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3344fa18dfc2be2c0ee95dbbf5dc2ea942d9e7930746febf173bb7553bc5fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3344fa18dfc2be2c0ee95dbbf5dc2ea942d9e7930746febf173bb7553bc5fb5", kill_on_drop: false }`
[INFO] [stdout] c3344fa18dfc2be2c0ee95dbbf5dc2ea942d9e7930746febf173bb7553bc5fb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fd24a1af61987fa660bb53488fbb47914a631ac3620004ddf44ffc9163d8ed0
[INFO] running `Command { std: "docker" "start" "-a" "6fd24a1af61987fa660bb53488fbb47914a631ac3620004ddf44ffc9163d8ed0", kill_on_drop: false }`
[INFO] [stderr]    Compiling voladdress v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "6fd24a1af61987fa660bb53488fbb47914a631ac3620004ddf44ffc9163d8ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd24a1af61987fa660bb53488fbb47914a631ac3620004ddf44ffc9163d8ed0", kill_on_drop: false }`
[INFO] [stdout] 6fd24a1af61987fa660bb53488fbb47914a631ac3620004ddf44ffc9163d8ed0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3457f008f8c151d0df4edd3dccdba600bef53c22539b5d584495aa161dc37030
[INFO] running `Command { std: "docker" "start" "-a" "3457f008f8c151d0df4edd3dccdba600bef53c22539b5d584495aa161dc37030", kill_on_drop: false }`
[INFO] [stderr]    Compiling voladdress v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "3457f008f8c151d0df4edd3dccdba600bef53c22539b5d584495aa161dc37030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3457f008f8c151d0df4edd3dccdba600bef53c22539b5d584495aa161dc37030", kill_on_drop: false }`
[INFO] [stdout] 3457f008f8c151d0df4edd3dccdba600bef53c22539b5d584495aa161dc37030
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3788e39ff503f901dbce55d0a3f93542dbc0aafb327a0becb98513e368b67cf4
[INFO] running `Command { std: "docker" "start" "-a" "3788e39ff503f901dbce55d0a3f93542dbc0aafb327a0becb98513e368b67cf4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/voladdress-7576318d07d2d625)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test volblock::test_impl_DoubleEndedIterator_for_VolBlockIter ... ok
[INFO] [stdout] test volblock::test_volblock_iter_range ... ok
[INFO] [stdout] test volblock::test_impl_Iterator_for_VolBlockIter ... ok
[INFO] [stdout] test volseries::test_impl_DoubleEndedIterator_for_VolSeriesIter ... ok
[INFO] [stdout] test volseries::test_impl_Iterator_for_VolSeriesIter ... ok
[INFO] [stdout] test volseries::test_volseries_iter_range ... ok
[INFO] [stdout] test volblock::test_volblock_iter_range_low_bound_panic - should panic ... ok
[INFO] [stderr]    Doc-tests voladdress
[INFO] [stdout] test volblock::test_volblock_iter_range_high_bound_panic - should panic ... ok
[INFO] [stdout] test volseries::test_volseries_iter_range_low_bound_panic - should panic ... ok
[INFO] [stdout] test volseries::test_volseries_iter_range_high_bound_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 78) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3788e39ff503f901dbce55d0a3f93542dbc0aafb327a0becb98513e368b67cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3788e39ff503f901dbce55d0a3f93542dbc0aafb327a0becb98513e368b67cf4", kill_on_drop: false }`
[INFO] [stdout] 3788e39ff503f901dbce55d0a3f93542dbc0aafb327a0becb98513e368b67cf4