[INFO] fetching crate fixed-slice-vec 0.8.0...
[INFO] testing fixed-slice-vec-0.8.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate fixed-slice-vec 0.8.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fixed-slice-vec 0.8.0 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] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking crates.io crate fixed-slice-vec 0.8.0
[INFO] finished tweaking crates.io crate fixed-slice-vec 0.8.0
[INFO] tweaked toml for crates.io crate fixed-slice-vec 0.8.0 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] cec34bf8cd528426d105a2dddf89ff5c16ece3e2793cce06dd72cc17d3a35a9b
[INFO] running `Command { std: "docker" "start" "-a" "cec34bf8cd528426d105a2dddf89ff5c16ece3e2793cce06dd72cc17d3a35a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cec34bf8cd528426d105a2dddf89ff5c16ece3e2793cce06dd72cc17d3a35a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cec34bf8cd528426d105a2dddf89ff5c16ece3e2793cce06dd72cc17d3a35a9b", kill_on_drop: false }`
[INFO] [stdout] cec34bf8cd528426d105a2dddf89ff5c16ece3e2793cce06dd72cc17d3a35a9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 987f88053b63dabe5a6534b0eac0e8d272727e69d58ef762f850bb617d6068f3
[INFO] running `Command { std: "docker" "start" "-a" "987f88053b63dabe5a6534b0eac0e8d272727e69d58ef762f850bb617d6068f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed-slice-vec v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "987f88053b63dabe5a6534b0eac0e8d272727e69d58ef762f850bb617d6068f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "987f88053b63dabe5a6534b0eac0e8d272727e69d58ef762f850bb617d6068f3", kill_on_drop: false }`
[INFO] [stdout] 987f88053b63dabe5a6534b0eac0e8d272727e69d58ef762f850bb617d6068f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 4d5f0ae10960d065ab6e0fc334bb51b0b3be7fb53fd299d40e06157a7df20cac
[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" "4d5f0ae10960d065ab6e0fc334bb51b0b3be7fb53fd299d40e06157a7df20cac", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling fixed-slice-vec v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.51s
[INFO] running `Command { std: "docker" "inspect" "4d5f0ae10960d065ab6e0fc334bb51b0b3be7fb53fd299d40e06157a7df20cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d5f0ae10960d065ab6e0fc334bb51b0b3be7fb53fd299d40e06157a7df20cac", kill_on_drop: false }`
[INFO] [stdout] 4d5f0ae10960d065ab6e0fc334bb51b0b3be7fb53fd299d40e06157a7df20cac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 735a8d43a21c78c67e85e421dd97fffc863fda27e76bc47cca083b0d867d7369
[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" "735a8d43a21c78c67e85e421dd97fffc863fda27e76bc47cca083b0d867d7369", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fixed_slice_vec-bbcd4fffa496e819)
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stdout] test single::tests::embed_does_not_run_drops ... ok
[INFO] [stdout] test single::tests::embed_uninit_does_not_run_drops ... ok
[INFO] [stdout] test single::tests::happy_path_embed ... ok
[INFO] [stdout] test single::tests::happy_path_embed_uninit ... ok
[INFO] [stdout] test single::tests::happy_path_split ... ok
[INFO] [stdout] test single::tests::happy_path_split_uninit ... ok
[INFO] [stdout] test single::tests::split_not_enough_space_detected ... ok
[INFO] [stdout] test single::tests::split_uninit_from_bytes_empty ... ok
[INFO] [stdout] test single::tests::split_uninit_from_bytes_observe_leftovers ... ok
[INFO] [stdout] test single::tests::split_uninit_from_uninit_bytes_observe_leftovers ... ok
[INFO] [stdout] test single::tests::split_uninit_from_uninit_bytes_empty ... ok
[INFO] [stdout] test single::tests::split_uninit_not_enough_space_detected ... ok
[INFO] [stdout] test single::tests::zero_sized_types_not_permitted ... ok
[INFO] [stdout] test single::tests::embed_uninit_not_enough_space_detected ... ok
[INFO] [stdout] test single::tests::embed_not_enough_space_detected ... ok
[INFO] [stdout] test vec::tests::as_mut_ptr_allows_changes_to_internal_content ... ok
[INFO] [stdout] test vec::tests::as_ptr_reveals_expected_internal_content ... ok
[INFO] [stdout] test vec::tests::borrow_ish_sanity_checks ... ok
[INFO] [stdout] test vec::tests::comparison_sanity_checks ... ok
[INFO] [stdout] test vec::tests::equality_sanity_checks ... ok
[INFO] [stdout] test vec::tests::align_captures_suffix_and_prefix ... ok
[INFO] [stdout] test vec::tests::extend_with_more_than_enough_room ... ok
[INFO] [stdout] test vec::tests::extend_with_exactly_enough_room ... ok
[INFO] [stdout] test vec::tests::extend_with_not_enough_room ... ok
[INFO] [stdout] test vec::tests::from_uninit_bytes_empty_slice ... ok
[INFO] [stdout] test vec::tests::from_uninit ... ok
[INFO] [stdout] test vec::tests::from_uninit_bytes_larger_than_item_slice ... ok
[INFO] [stdout] test vec::tests::happy_path_from_bytes ... ok
[INFO] [stdout] test vec::tests::manual_swap_remove_inside_range ... ok
[INFO] [stdout] test vec::tests::manual_try_swap_remove ... ok
[INFO] [stdout] test vec::tests::try_extend_with_exactly_enough_room ... ok
[INFO] [stdout] test vec::tests::try_extend_with_more_than_enough_room ... ok
[INFO] [stdout] test vec::tests::try_extend_with_not_enough_room ... ok
[INFO] [stdout] test vec::tests::manual_truncate ... ok
[INFO] [stdout] test vec::tests::manual_try_remove ... ok
[INFO] [stdout] test vec::tests::from_uninit_bytes_smaller_than_item_slice ... ok
[INFO] [stdout] test vec::tests::manual_swap_remove_outside_range - should panic ... ok
[INFO] [stdout] test vec::tests::manual_swap_remove_empty - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 38 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/comparability_tests.rs (/opt/rustwide/target/debug/deps/comparability_tests-9985e5063ed68933)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test drops_items_when_clear ... ok
[INFO] [stdout] test drops_items_replaced_via_mut_slice ... ok
[INFO] [stdout] test drops_items_when_dropped ... ok
[INFO] [stdout] test drops_items_when_truncate ... ok
[INFO] [stdout] test vec_like_operations::compare_vec_like_operations_against_array_vec ... ok
[INFO] [stdout] test vec_like_operations::compare_vec_like_operations_against_std ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.30s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/std_required_tests.rs (/opt/rustwide/target/debug/deps/std_required_tests-0b42aabaef2b6d9b)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test embed_does_not_run_drops_atomic ... ok
[INFO] [stdout] test formatting_successful ... ok
[INFO] [stdout] test fsv_does_not_run_drops_on_push_atomic ... ok
[INFO] [stdout] test embed_uninit_does_not_run_drops_atomic ... ok
[INFO] [stdout] test hashing_successful ... ok
[INFO] [stdout] test manual_push ... ok
[INFO] [stdout] test manual_remove ... ok
[INFO] [stdout] test manual_try_swap_remove ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fixed-slice-vec
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/vec.rs - vec::FixedSliceVec::align_from_uninit_bytes (line 110) ... ok
[INFO] [stdout] test src/vec.rs - vec::FixedSliceVec::from_bytes (line 45) ... ok
[INFO] [stdout] test src/vec.rs - vec::FixedSliceVec::align_from_bytes (line 82) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/vec.rs - vec::FixedSliceVec::as_ptr (line 178) ... ok
[INFO] [stdout] test src/vec.rs - vec::FixedSliceVec::as_mut_ptr (line 142) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "735a8d43a21c78c67e85e421dd97fffc863fda27e76bc47cca083b0d867d7369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "735a8d43a21c78c67e85e421dd97fffc863fda27e76bc47cca083b0d867d7369", kill_on_drop: false }`
[INFO] [stdout] 735a8d43a21c78c67e85e421dd97fffc863fda27e76bc47cca083b0d867d7369