[INFO] fetching crate ringbuffer 0.7.1...
[INFO] testing ringbuffer-0.7.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate ringbuffer 0.7.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ringbuffer 0.7.1 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 ringbuffer 0.7.1
[INFO] finished tweaking crates.io crate ringbuffer 0.7.1
[INFO] tweaked toml for crates.io crate ringbuffer 0.7.1 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] [stdout] 34bae6c9c3fafc448450374b763696ff20d5896e449db954b83c65d39de53fff
[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" "34bae6c9c3fafc448450374b763696ff20d5896e449db954b83c65d39de53fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34bae6c9c3fafc448450374b763696ff20d5896e449db954b83c65d39de53fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34bae6c9c3fafc448450374b763696ff20d5896e449db954b83c65d39de53fff", kill_on_drop: false }`
[INFO] [stdout] 34bae6c9c3fafc448450374b763696ff20d5896e449db954b83c65d39de53fff
[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] [stdout] 2132b12a46233d78428b46c46c7d3d7725425cde2463523c9ff6e40b717edaff
[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" "2132b12a46233d78428b46c46c7d3d7725425cde2463523c9ff6e40b717edaff", kill_on_drop: false }`
[INFO] [stderr]    Compiling array-init v2.0.0
[INFO] [stderr]    Compiling ringbuffer v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "2132b12a46233d78428b46c46c7d3d7725425cde2463523c9ff6e40b717edaff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2132b12a46233d78428b46c46c7d3d7725425cde2463523c9ff6e40b717edaff", kill_on_drop: false }`
[INFO] [stdout] 2132b12a46233d78428b46c46c7d3d7725425cde2463523c9ff6e40b717edaff
[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] c119efbc78ad3162f359034b92ba6322b3c3a186a9a02894f134a5b11dc19353
[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" "c119efbc78ad3162f359034b92ba6322b3c3a186a9a02894f134a5b11dc19353", kill_on_drop: false }`
[INFO] [stderr]    Compiling cast v0.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling simplelog v0.4.4
[INFO] [stderr]    Compiling criterion-plot v0.1.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling criterion-stats v0.1.3
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling criterion v0.1.2
[INFO] [stderr]    Compiling ringbuffer v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 51.61s
[INFO] running `Command { std: "docker" "inspect" "c119efbc78ad3162f359034b92ba6322b3c3a186a9a02894f134a5b11dc19353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c119efbc78ad3162f359034b92ba6322b3c3a186a9a02894f134a5b11dc19353", kill_on_drop: false }`
[INFO] [stdout] c119efbc78ad3162f359034b92ba6322b3c3a186a9a02894f134a5b11dc19353
[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] bf34040fb9986448bb25e2097b452dd05b3142a138f75d9cc73d09b56a8ff1e7
[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" "bf34040fb9986448bb25e2097b452dd05b3142a138f75d9cc73d09b56a8ff1e7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 59 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ringbuffer-46efc51bbdd7ed28)
[INFO] [stdout] test tests::run_test_back_none_mut ... ok
[INFO] [stdout] test tests::run_test_back_none ... ok
[INFO] [stdout] test tests::run_test_back_some ... ok
[INFO] [stdout] test tests::run_test_clear ... ok
[INFO] [stdout] test tests::run_test_clone ... ok
[INFO] [stdout] test tests::run_test_default ... ok
[INFO] [stdout] test tests::run_test_dequeue ... ok
[INFO] [stdout] test tests::run_test_dequeue_ref ... ok
[INFO] [stdout] test tests::run_test_empty ... ok
[INFO] [stdout] test tests::run_test_from_iterator ... ok
[INFO] [stdout] test tests::run_test_from_iterator_wrap ... ok
[INFO] [stdout] test tests::run_test_front_none ... ok
[INFO] [stdout] test tests::run_test_back_some_mut ... ok
[INFO] [stdout] test tests::run_test_front_some ... ok
[INFO] [stdout] test tests::run_test_get_absolute ... ok
[INFO] [stdout] test tests::run_test_front_none_mut ... ok
[INFO] [stdout] test tests::run_test_front_some_mut ... ok
[INFO] [stdout] test tests::run_test_get_relative_negative ... ok
[INFO] [stdout] test tests::run_test_get_relative_zero_length ... ok
[INFO] [stdout] test tests::run_test_get_relative_mut ... ok
[INFO] [stdout] test tests::run_test_contains ... ok
[INFO] [stdout] test tests::run_test_get_relative_mut_zero_length ... ok
[INFO] [stdout] test tests::run_test_index ... ok
[INFO] [stdout] test tests::run_test_get_relative ... ok
[INFO] [stdout] test tests::run_test_neg_index ... ok
[INFO] [stdout] test tests::run_test_peek_some ... ok
[INFO] [stdout] test tests::run_test_push_dequeue_push_full_get ... ok
[INFO] [stdout] test tests::run_test_index_mut ... ok
[INFO] [stdout] test tests::run_test_new ... ok
[INFO] [stdout] test tests::run_test_push_dequeue_push ... ok
[INFO] [stdout] test tests::run_test_len ... ok
[INFO] [stdout] test tests::run_test_iter ... ok
[INFO] [stdout] test tests::run_test_iter_mut_wrap ... ok
[INFO] [stdout] test tests::run_test_push_dequeue_push_full ... ok
[INFO] [stdout] test tests::run_test_len_wrap ... ok
[INFO] [stdout] test tests::run_test_iter_mut ... ok
[INFO] [stdout] test tests::run_test_peek_none ... ok
[INFO] [stdout] test tests::run_test_iter_wrap ... ok
[INFO] [stdout] test tests::run_test_iter_with_lifetimes ... ok
[INFO] [stdout] test tests::run_test_skip_2 ... ok
[INFO] [stdout] test tests::run_test_to_vec ... ok
[INFO] [stdout] test tests::run_test_to_vec_wrap ... ok
[INFO] [stdout] test tests::run_test_wrapping_get_relative_mut ... ok
[INFO] [stdout] test tests::test_default_eq_new ... ok
[INFO] [stdout] test tests::test_dropping::run_test_drops_contents_alloc ... ok
[INFO] [stdout] test with_alloc::tests::test_default ... ok
[INFO] [stdout] test tests::run_test_double_iter ... ok
[INFO] [stdout] test with_alloc::tests::test_default_capacity_constant ... ok
[INFO] [stdout] test tests::run_test_wrapping_get_relative ... ok
[INFO] [stdout] test tests::test_dropping::run_test_drops_contents_const_generic ... ok
[INFO] [stdout] test tests::run_test_is_full ... ok
[INFO] [stdout] test with_alloc::tests::test_with_capacity_power_of_two ... ok
[INFO] [stdout] test tests::run_test_skip ... ok
[INFO] [stdout] test with_alloc::tests::test_with_capacity_no_power_of_two - should panic ... ok
[INFO] [stdout] test with_const_generics::tests::test_index_zero_length - should panic ... ok
[INFO] [stdout] test with_alloc::tests::test_index_zero_length - should panic ... ok
[INFO] [stdout] test with_const_generics::tests::test_with_capacity_no_power_of_two - should panic ... ok
[INFO] [stdout] test with_const_generics::tests::test_no_empty - should panic ... ok
[INFO] [stdout] test tests::run_test_push_dequeue_push_full_get_rep ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 59 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ringbuffer
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/ringbuffer_trait.rs - ringbuffer_trait::RingBufferRead::drain (line 72) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/with_const_generics.rs - with_const_generics::ConstGenericRingBuffer (line 13) ... ok
[INFO] [stdout] test src/with_alloc.rs - with_alloc::AllocRingBuffer (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf34040fb9986448bb25e2097b452dd05b3142a138f75d9cc73d09b56a8ff1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf34040fb9986448bb25e2097b452dd05b3142a138f75d9cc73d09b56a8ff1e7", kill_on_drop: false }`
[INFO] [stdout] bf34040fb9986448bb25e2097b452dd05b3142a138f75d9cc73d09b56a8ff1e7