[INFO] fetching crate array-queue 0.3.3...
[INFO] testing array-queue-0.3.3 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate array-queue 0.3.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate array-queue 0.3.3 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 array-queue 0.3.3
[INFO] finished tweaking crates.io crate array-queue 0.3.3
[INFO] tweaked toml for crates.io crate array-queue 0.3.3 written to /workspace/builds/worker-6/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-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/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] 68edcbcc561a34be51c486fd3d93548170a4b223a5c6090fbd4e42c76d9aab6c
[INFO] running `Command { std: "docker" "start" "-a" "68edcbcc561a34be51c486fd3d93548170a4b223a5c6090fbd4e42c76d9aab6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68edcbcc561a34be51c486fd3d93548170a4b223a5c6090fbd4e42c76d9aab6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68edcbcc561a34be51c486fd3d93548170a4b223a5c6090fbd4e42c76d9aab6c", kill_on_drop: false }`
[INFO] [stdout] 68edcbcc561a34be51c486fd3d93548170a4b223a5c6090fbd4e42c76d9aab6c
[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=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] f93877e75714c3f5f63dde89bc6656ab4ae840eb12fe9a87d22c7e503eebe118
[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" "f93877e75714c3f5f63dde89bc6656ab4ae840eb12fe9a87d22c7e503eebe118", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling array-queue v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/array_queue.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem::{drop, forget, replace, uninitialized, ManuallyDrop};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/array_queue.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |             array: unsafe { uninitialized() },
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/array_queue.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |             uninitialized()
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/array_queue.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |             uninitialized()
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/array_queue.rs:165:38
[INFO] [stdout]     |
[INFO] [stdout] 165 |             drop(replace(x, unsafe { uninitialized() }));
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "f93877e75714c3f5f63dde89bc6656ab4ae840eb12fe9a87d22c7e503eebe118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f93877e75714c3f5f63dde89bc6656ab4ae840eb12fe9a87d22c7e503eebe118", kill_on_drop: false }`
[INFO] [stdout] f93877e75714c3f5f63dde89bc6656ab4ae840eb12fe9a87d22c7e503eebe118
[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=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] 8146c49687191888637890f6694d5d8f23b79fdd8fd6c0193bbf35e0fb1b687b
[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" "8146c49687191888637890f6694d5d8f23b79fdd8fd6c0193bbf35e0fb1b687b", kill_on_drop: false }`
[INFO] [stderr]    Compiling array-queue v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/array_queue.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem::{drop, forget, replace, uninitialized, ManuallyDrop};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/array_queue.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |             array: unsafe { uninitialized() },
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/array_queue.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |             uninitialized()
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/array_queue.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |             uninitialized()
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/array_queue.rs:165:38
[INFO] [stdout]     |
[INFO] [stdout] 165 |             drop(replace(x, unsafe { uninitialized() }));
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/array_queue.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem::{drop, forget, replace, uninitialized, ManuallyDrop};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/array_queue.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |             array: unsafe { uninitialized() },
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/array_queue.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |             uninitialized()
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/array_queue.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |             uninitialized()
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/array_queue.rs:165:38
[INFO] [stdout]     |
[INFO] [stdout] 165 |             drop(replace(x, unsafe { uninitialized() }));
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::clone::Clone::clone` that must be used
[INFO] [stdout]    --> src/array_queue.rs:553:9
[INFO] [stdout]     |
[INFO] [stdout] 553 |         a.clone();
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: cloning is often expensive and is not expected to have side effects
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "8146c49687191888637890f6694d5d8f23b79fdd8fd6c0193bbf35e0fb1b687b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8146c49687191888637890f6694d5d8f23b79fdd8fd6c0193bbf35e0fb1b687b", kill_on_drop: false }`
[INFO] [stdout] 8146c49687191888637890f6694d5d8f23b79fdd8fd6c0193bbf35e0fb1b687b
[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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 22eae7429d3a36423a544d42630d795069391804f1d39fea3c22ece1f286e0ff
[INFO] running `Command { std: "docker" "start" "-a" "22eae7429d3a36423a544d42630d795069391804f1d39fea3c22ece1f286e0ff", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]  --> src/array_queue.rs:1:39
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem::{drop, forget, replace, uninitialized, ManuallyDrop};
[INFO] [stderr]   |                                       ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/array_queue.rs:17:29
[INFO] [stderr]    |
[INFO] [stderr] 17 |             array: unsafe { uninitialized() },
[INFO] [stderr]    |                             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/array_queue.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |             uninitialized()
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/array_queue.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |             uninitialized()
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/array_queue.rs:165:38
[INFO] [stderr]     |
[INFO] [stderr] 165 |             drop(replace(x, unsafe { uninitialized() }));
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `array-queue` (lib) generated 5 warnings
[INFO] [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
[INFO] [stderr]    --> src/array_queue.rs:553:9
[INFO] [stderr]     |
[INFO] [stderr] 553 |         a.clone();
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: cloning is often expensive and is not expected to have side effects
[INFO] [stderr] 
[INFO] [stderr] warning: `array-queue` (lib test) generated 6 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/array_queue-adf4078cd9c1efe0)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test array_queue::test::is_empty ... ok
[INFO] [stdout] test array_queue::test::iterate_forward_and_backward ... ok
[INFO] [stdout] test array_queue::test::iterate_forward_and_backward_mutablly ... ok
[INFO] [stdout] test array_queue::test::iterator ... ok
[INFO] [stdout] test array_queue::test::iterator_mut ... ok
[INFO] [stdout] test array_queue::test::drops_of_elements_on_pop_back ... ok
[INFO] [stdout] test array_queue::test::new ... ok
[INFO] [stdout] test array_queue::test::no_drops_of_elements_on_push_back ... ok
[INFO] [stdout] test array_queue::test::pop_back ... ok
[INFO] [stdout] test array_queue::test::push_and_pop_across_edges ... ok
[INFO] [stdout] test array_queue::test::pop_front ... ok
[INFO] [stdout] test array_queue::test::push_back ... ok
[INFO] [stdout] test array_queue::test::push_front ... ok
[INFO] [stdout] test array_queue::test::first_and_last ... ok
[INFO] [stdout] test array_queue::test::is_full ... ok
[INFO] [stdout] test array_queue::test::iterate_empty_queue ... ok
[INFO] [stdout] test array_queue::test::iterator_across_edges ... ok
[INFO] [stderr] thread panicked while panicking. aborting.
[INFO] [stdout] test array_queue::test::reference_elements ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/array_queue-adf4078cd9c1efe0` (signal: 4, SIGILL: illegal instruction)
[INFO] running `Command { std: "docker" "inspect" "22eae7429d3a36423a544d42630d795069391804f1d39fea3c22ece1f286e0ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22eae7429d3a36423a544d42630d795069391804f1d39fea3c22ece1f286e0ff", kill_on_drop: false }`
[INFO] [stdout] 22eae7429d3a36423a544d42630d795069391804f1d39fea3c22ece1f286e0ff