[INFO] fetching crate holodeque 0.2.0...
[INFO] testing holodeque-0.2.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate holodeque 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate holodeque 0.2.0 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 holodeque 0.2.0
[INFO] finished tweaking crates.io crate holodeque 0.2.0
[INFO] tweaked toml for crates.io crate holodeque 0.2.0 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] eac714903e41aeeb7e5b43dfa3efcf478b264d302438cf9902ec76850d518fe4
[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" "eac714903e41aeeb7e5b43dfa3efcf478b264d302438cf9902ec76850d518fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eac714903e41aeeb7e5b43dfa3efcf478b264d302438cf9902ec76850d518fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac714903e41aeeb7e5b43dfa3efcf478b264d302438cf9902ec76850d518fe4", kill_on_drop: false }`
[INFO] [stdout] eac714903e41aeeb7e5b43dfa3efcf478b264d302438cf9902ec76850d518fe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ad222d5ea9626b70b724859d3cbee78f9ef9bc698a11d36a1ffbf7d2e56c1cad
[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" "ad222d5ea9626b70b724859d3cbee78f9ef9bc698a11d36a1ffbf7d2e56c1cad", kill_on_drop: false }`
[INFO] [stderr]    Compiling holodeque v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `array_map` has been stable since 1.55.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | #![feature(array_map)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "ad222d5ea9626b70b724859d3cbee78f9ef9bc698a11d36a1ffbf7d2e56c1cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad222d5ea9626b70b724859d3cbee78f9ef9bc698a11d36a1ffbf7d2e56c1cad", kill_on_drop: false }`
[INFO] [stdout] ad222d5ea9626b70b724859d3cbee78f9ef9bc698a11d36a1ffbf7d2e56c1cad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] c0e619d0f4575a7e615e1426ea7c14e68b95236e5e275f7309af3b243b1c791d
[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" "c0e619d0f4575a7e615e1426ea7c14e68b95236e5e275f7309af3b243b1c791d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling semver-parser v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stdout] warning: the feature `array_map` has been stable since 1.55.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | #![feature(array_map)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_test v1.0.127
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling version-sync v0.9.2
[INFO] [stderr]    Compiling holodeque v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `array_map` has been stable since 1.55.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | #![feature(array_map)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 36.39s
[INFO] running `Command { std: "docker" "inspect" "c0e619d0f4575a7e615e1426ea7c14e68b95236e5e275f7309af3b243b1c791d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e619d0f4575a7e615e1426ea7c14e68b95236e5e275f7309af3b243b1c791d", kill_on_drop: false }`
[INFO] [stdout] c0e619d0f4575a7e615e1426ea7c14e68b95236e5e275f7309af3b243b1c791d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5ae3a210df1f61de20a5d15b0e839c865b9b8a73c62cc8cf75044f3f544fcada
[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" "5ae3a210df1f61de20a5d15b0e839c865b9b8a73c62cc8cf75044f3f544fcada", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `array_map` has been stable since 1.55.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:87:12
[INFO] [stderr]    |
[INFO] [stderr] 87 | #![feature(array_map)]
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `holodeque` (lib) generated 1 warning
[INFO] [stderr] warning: `holodeque` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/holodeque-0e4600bad9e812e6)
[INFO] [stdout] 
[INFO] [stdout] running 64 tests
[INFO] [stdout] test array_deque::tests::clear_makes_empty ... ok
[INFO] [stdout] test array_deque::tests::drain_removes_elements_when_leaked ... ok
[INFO] [stdout] test array_deque::tests::drain_zero_capacity ... ok
[INFO] [stdout] test array_deque::tests::drain_runs_destructors_when_consumed ... ok
[INFO] [stdout] test array_deque::tests::drain_runs_destructors_when_dropped ... ok
[INFO] [stdout] test array_deque::tests::empty_deque_back_is_none ... ok
[INFO] [stdout] test array_deque::tests::iter_zero_capacity ... ok
[INFO] [stdout] test array_deque::tests::pop_empty_is_none ... ok
[INFO] [stdout] test array_deque::tests::push_back_one_becomes_front_and_back ... ok
[INFO] [stdout] test array_deque::tests::pop_zero_capacity_is_none ... ok
[INFO] [stdout] test array_deque::tests::push_both_ends_front_back ... ok
[INFO] [stdout] test array_deque::tests::empty_deque_front_is_none ... ok
[INFO] [stdout] test array_deque::tests::iter_reverse ... ok
[INFO] [stdout] test array_deque::tests::push_back_then_front ... ok
[INFO] [stdout] test array_deque::tests::empty_deque_has_zero_len ... ok
[INFO] [stdout] test array_deque::tests::push_front_one_becomes_front_and_back ... ok
[INFO] [stdout] test array_deque::tests::push_pop_back ... ok
[INFO] [stdout] test array_deque::tests::push_pop_front ... ok
[INFO] [stdout] test array_deque::tests::push_full_linear_is_error ... ok
[INFO] [stdout] test array_deque::tests::push_full_wrapped_is_error ... ok
[INFO] [stdout] test array_deque::tests::push_front_then_back ... ok
[INFO] [stdout] test array_deque::tests::iter_forward ... ok
[INFO] [stdout] test array_deque::tests::iter_has_same_order_as_slices ... ok
[INFO] [stdout] test array_deque::tests::qc_front_unchanged_when_back_popped ... ok
[INFO] [stdout] test slice_deque::tests::drain_removes_elements_when_leaked ... ok
[INFO] [stdout] test slice_deque::tests::drain_runs_destructors_when_consumed ... ok
[INFO] [stdout] test array_deque::tests::push_zero_capacity_is_error ... ok
[INFO] [stdout] test slice_deque::tests::drain_runs_destructors_when_dropped ... ok
[INFO] [stdout] test array_deque::tests::slices_and_mut_slices_are_eq ... ok
[INFO] [stdout] test array_deque::tests::qc_iter_produces_len_elements ... ok
[INFO] [stdout] test array_deque::tests::iter_alternate ... ok
[INFO] [stdout] test array_deque::tests::zero_capacity_is_both_empty_and_full ... ok
[INFO] [stdout] test array_deque::tests::qc_back_unchanged_when_front_popped ... ok
[INFO] [stdout] test array_deque::tests::qc_truncate_produces_correct_len ... ok
[INFO] [stdout] test array_deque::tests::qc_drain_back_produces_n_elements ... ok
[INFO] [stdout] test array_deque::tests::truncate_shorter_has_no_effect ... ok
[INFO] [stdout] test slice_deque::tests::clear_makes_empty ... ok
[INFO] [stdout] test array_deque::tests::truncate_longer_reduces_len ... ok
[INFO] [stdout] test slice_deque::tests::empty_deque_has_zero_len ... ok
[INFO] [stdout] test slice_deque::tests::push_back_one_becomes_front_and_back ... ok
[INFO] [stdout] test slice_deque::tests::push_back_then_front ... ok
[INFO] [stdout] test array_deque::tests::qc_drain_front_produces_n_elements ... ok
[INFO] [stdout] test slice_deque::tests::iter_reverse ... ok
[INFO] [stdout] test slice_deque::tests::iter_zero_capacity ... ok
[INFO] [stdout] test slice_deque::tests::push_pop_back ... ok
[INFO] [stdout] test slice_deque::tests::slices_and_mut_slices_are_eq ... ok
[INFO] [stdout] test slice_deque::tests::push_zero_capacity_is_error ... ok
[INFO] [stdout] test slice_deque::tests::push_pop_front ... ok
[INFO] [stdout] test slice_deque::tests::push_front_one_becomes_front_and_back ... ok
[INFO] [stdout] test slice_deque::tests::push_both_ends_front_back ... ok
[INFO] [stdout] test slice_deque::tests::empty_deque_back_is_none ... ok
[INFO] [stderr]      Running tests/version-numbers.rs (/opt/rustwide/target/debug/deps/version_numbers-8133a247a65f3155)
[INFO] [stdout] test slice_deque::tests::empty_deque_front_is_none ... ok
[INFO] [stdout] test slice_deque::tests::iter_alternate ... ok
[INFO] [stdout] test slice_deque::tests::drain_zero_capacity ... ok
[INFO] [stdout] test slice_deque::tests::iter_has_same_order_as_slices ... ok
[INFO] [stdout] test slice_deque::tests::pop_zero_capacity_is_none ... ok
[INFO] [stdout] test slice_deque::tests::push_full_linear_is_error ... ok
[INFO] [stdout] test slice_deque::tests::truncate_longer_reduces_len ... ok
[INFO] [stdout] test slice_deque::tests::iter_forward ... ok
[INFO] [stdout] test slice_deque::tests::push_full_wrapped_is_error ... ok
[INFO] [stdout] test slice_deque::tests::truncate_shorter_has_no_effect ... ok
[INFO] [stdout] test slice_deque::tests::pop_empty_is_none ... ok
[INFO] [stdout] test slice_deque::tests::zero_capacity_is_both_empty_and_full ... ok
[INFO] [stdout] test slice_deque::tests::push_front_then_back ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 64 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_readme_deps ... ok
[INFO] [stdout] test test_html_root_url ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests holodeque
[INFO] [stdout] 
[INFO] [stdout] running 41 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 holodeque --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern holodeque=/opt/rustwide/target/debug/deps/libholodeque-2d910a5c16dcae32.rlib --extern quickcheck=/opt/rustwide/target/debug/deps/libquickcheck-b26c0ba793d7d969.rlib --extern serde_test=/opt/rustwide/target/debug/deps/libserde_test-dc10aedeff7ad1ad.rlib --extern version_sync=/opt/rustwide/target/debug/deps/libversion_sync-77a0203811b90d4c.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="std"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "5ae3a210df1f61de20a5d15b0e839c865b9b8a73c62cc8cf75044f3f544fcada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ae3a210df1f61de20a5d15b0e839c865b9b8a73c62cc8cf75044f3f544fcada", kill_on_drop: false }`
[INFO] [stdout] 5ae3a210df1f61de20a5d15b0e839c865b9b8a73c62cc8cf75044f3f544fcada