[INFO] fetching crate nested_containment_list 0.3.0...
[INFO] testing nested_containment_list-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate nested_containment_list 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate nested_containment_list 0.3.0 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 nested_containment_list 0.3.0
[INFO] finished tweaking crates.io crate nested_containment_list 0.3.0
[INFO] tweaked toml for crates.io crate nested_containment_list 0.3.0 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[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" "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] d98e7ae9ca308b4e509b300aadda39bb508794d1c5ed734ffe8a306b64db5fb5
[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" "d98e7ae9ca308b4e509b300aadda39bb508794d1c5ed734ffe8a306b64db5fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d98e7ae9ca308b4e509b300aadda39bb508794d1c5ed734ffe8a306b64db5fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d98e7ae9ca308b4e509b300aadda39bb508794d1c5ed734ffe8a306b64db5fb5", kill_on_drop: false }`
[INFO] [stdout] d98e7ae9ca308b4e509b300aadda39bb508794d1c5ed734ffe8a306b64db5fb5
[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" "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] a22e94de8417ad6cba68a5b336bb4854f9fc78cc6e2d2f29738aa8ecff6655ae
[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" "a22e94de8417ad6cba68a5b336bb4854f9fc78cc6e2d2f29738aa8ecff6655ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling nested_containment_list v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "a22e94de8417ad6cba68a5b336bb4854f9fc78cc6e2d2f29738aa8ecff6655ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a22e94de8417ad6cba68a5b336bb4854f9fc78cc6e2d2f29738aa8ecff6655ae", kill_on_drop: false }`
[INFO] [stdout] a22e94de8417ad6cba68a5b336bb4854f9fc78cc6e2d2f29738aa8ecff6655ae
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b6c76f95e65c186e61b6f3ab1745041ac8835c9167a83ce1072c060fa159952a
[INFO] running `Command { std: "docker" "start" "-a" "b6c76f95e65c186e61b6f3ab1745041ac8835c9167a83ce1072c060fa159952a", kill_on_drop: false }`
[INFO] [stderr]    Compiling more_ranges v0.1.0
[INFO] [stderr]    Compiling claim v0.5.0
[INFO] [stderr]    Compiling nested_containment_list v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "b6c76f95e65c186e61b6f3ab1745041ac8835c9167a83ce1072c060fa159952a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6c76f95e65c186e61b6f3ab1745041ac8835c9167a83ce1072c060fa159952a", kill_on_drop: false }`
[INFO] [stdout] b6c76f95e65c186e61b6f3ab1745041ac8835c9167a83ce1072c060fa159952a
[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" "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] 9f344787c018c2d3790ea67b0511b70805a4de0f93b0d13147abf178c84e7ffd
[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" "9f344787c018c2d3790ea67b0511b70805a4de0f93b0d13147abf178c84e7ffd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nested_containment_list-d4573184f8f7588e)
[INFO] [stdout] 
[INFO] [stdout] running 78 tests
[INFO] [stdout] test element::tests::finds_top_most_parent_element_no_parent ... ok
[INFO] [stdout] test element::tests::finds_top_most_parent_element ... ok
[INFO] [stdout] test element::tests::finds_top_most_parent_element_offset_out_of_scope ... ok
[INFO] [stdout] test element::tests::finds_top_most_parent_element_with_index ... ok
[INFO] [stdout] test element::tests::finds_top_most_parent_element_with_index_no_parent ... ok
[INFO] [stdout] test element::tests::finds_top_most_parent_element_with_index_offset_out_of_scope ... ok
[INFO] [stdout] test nestable::tests::range_contains ... ok
[INFO] [stdout] test nestable::tests::range_from_contains ... ok
[INFO] [stdout] test nestable::tests::range_from_exclusive_contains ... ok
[INFO] [stdout] test nestable::tests::range_from_exclusive_to_exclusive_contains ... ok
[INFO] [stdout] test nestable::tests::range_from_exclusive_to_exclusive_ordering ... ok
[INFO] [stdout] test nestable::tests::range_from_exclusive_to_exclusive_overlapping ... ok
[INFO] [stdout] test nestable::tests::range_from_exclusive_ordering ... ok
[INFO] [stdout] test nestable::tests::range_from_exclusive_to_inclusive_ordering ... ok
[INFO] [stdout] test nestable::tests::range_from_exclusive_overlapping ... ok
[INFO] [stdout] test nestable::tests::range_from_exclusive_to_inclusive_overlapping ... ok
[INFO] [stdout] test nestable::tests::range_from_exclusive_to_inclusive_contains ... ok
[INFO] [stdout] test nestable::tests::range_from_ordering ... ok
[INFO] [stdout] test nestable::tests::range_from_overlapping ... ok
[INFO] [stdout] test nestable::tests::range_full_overlapping ... ok
[INFO] [stdout] test nestable::tests::range_inclusive_contains ... ok
[INFO] [stdout] test nestable::tests::range_inclusive_ordering ... ok
[INFO] [stdout] test nestable::tests::range_inclusive_overlapping ... ok
[INFO] [stdout] test nestable::tests::range_ordering ... ok
[INFO] [stdout] test nestable::tests::range_to_inclusive_contains ... ok
[INFO] [stdout] test nestable::tests::range_overlapping ... ok
[INFO] [stdout] test nestable::tests::range_to_inclusive_overlapping ... ok
[INFO] [stdout] test nestable::tests::range_to_inclusive_ordering ... ok
[INFO] [stdout] test tests::capacity ... ok
[INFO] [stdout] test nestable::tests::range_to_ordering ... ok
[INFO] [stdout] test nestable::tests::range_to_overlapping ... ok
[INFO] [stdout] test tests::from_iter ... ok
[INFO] [stdout] test nestable::tests::range_full_contains ... ok
[INFO] [stdout] test nestable::tests::range_full_ordering ... ok
[INFO] [stdout] test tests::from_vec ... ok
[INFO] [stdout] test nestable::tests::range_to_contains ... ok
[INFO] [stdout] test tests::insert_contained_and_containing ... ok
[INFO] [stdout] test tests::from_slice ... ok
[INFO] [stdout] test tests::insert_contained_not_at_end ... ok
[INFO] [stdout] test tests::insert_contained ... ok
[INFO] [stdout] test tests::insert_containing ... ok
[INFO] [stdout] test tests::insert_disjoint ... ok
[INFO] [stdout] test tests::insert_equal ... ok
[INFO] [stdout] test tests::insert_on_empty ... ok
[INFO] [stdout] test tests::into_iter ... ok
[INFO] [stdout] test tests::is_empty ... ok
[INFO] [stdout] test tests::is_not_empty ... ok
[INFO] [stdout] test tests::iter_last ... ok
[INFO] [stdout] test tests::iter_element_into_iter ... ok
[INFO] [stdout] test tests::iter_size_hint_after_iterating ... ok
[INFO] [stdout] test tests::iter_size_hint ... ok
[INFO] [stdout] test tests::iter_size_hint_empty ... ok
[INFO] [stdout] test tests::iter_next_back ... ok
[INFO] [stdout] test tests::len ... ok
[INFO] [stdout] test tests::new ... ok
[INFO] [stdout] test tests::default ... ok
[INFO] [stdout] test tests::overlapping ... ok
[INFO] [stdout] test tests::overlapping_next_back ... ok
[INFO] [stdout] test tests::extend ... ok
[INFO] [stdout] test tests::overlapping_contained ... ok
[INFO] [stdout] test tests::overlapping_size_hint ... ok
[INFO] [stdout] test tests::overlapping_element_into_iter ... ok
[INFO] [stdout] test tests::overlapping_size_hint_after_iterating ... ok
[INFO] [stderr]    Doc-tests nested_containment_list
[INFO] [stdout] test tests::overlapping_skip_first ... ok
[INFO] [stdout] test tests::overlapping_size_hint_empty ... ok
[INFO] [stdout] test tests::overlapping_starts_at_topmost_element ... ok
[INFO] [stdout] test tests::overlapping_stops_early ... ok
[INFO] [stdout] test tests::overlapping_with_inner_not_overlapping ... ok
[INFO] [stdout] test tests::remove ... ok
[INFO] [stdout] test tests::remove_contained ... ok
[INFO] [stdout] test tests::remove_contained_and_containing ... ok
[INFO] [stdout] test tests::remove_from_empty ... ok
[INFO] [stdout] test tests::remove_containing ... ok
[INFO] [stdout] test tests::remove_from_second_sublist ... ok
[INFO] [stdout] test tests::insert_into_second_sublist ... ok
[INFO] [stdout] test tests::remove_not_found ... ok
[INFO] [stdout] test tests::into_vec ... ok
[INFO] [stdout] test tests::overlapping_last ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 78 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name nested_containment_list --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern claim=/opt/rustwide/target/debug/deps/libclaim-48b79f626f476512.rlib --extern more_ranges=/opt/rustwide/target/debug/deps/libmore_ranges-fce9b12d2ad47b21.rlib --extern nested_containment_list=/opt/rustwide/target/debug/deps/libnested_containment_list-2276cdf84f79f89b.rlib -C embed-bitcode=no --cfg rustc_1_36 --cfg rustc_1_41 --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "9f344787c018c2d3790ea67b0511b70805a4de0f93b0d13147abf178c84e7ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f344787c018c2d3790ea67b0511b70805a4de0f93b0d13147abf178c84e7ffd", kill_on_drop: false }`
[INFO] [stdout] 9f344787c018c2d3790ea67b0511b70805a4de0f93b0d13147abf178c84e7ffd