[INFO] fetching crate array-queue 0.3.3...
[INFO] checking array-queue-0.3.3 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate array-queue 0.3.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate array-queue 0.3.3 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3abbfc8c3c9e0b17ec2459aea690b6c427495b94a318ed17bc842c699a7d7634
[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" "3abbfc8c3c9e0b17ec2459aea690b6c427495b94a318ed17bc842c699a7d7634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3abbfc8c3c9e0b17ec2459aea690b6c427495b94a318ed17bc842c699a7d7634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3abbfc8c3c9e0b17ec2459aea690b6c427495b94a318ed17bc842c699a7d7634", kill_on_drop: false }`
[INFO] [stdout] 3abbfc8c3c9e0b17ec2459aea690b6c427495b94a318ed17bc842c699a7d7634
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71340c26c58c3c5ae9745afbcd7f57c45fed106ff8903f9d8988cb47d909380e
[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" "71340c26c58c3c5ae9745afbcd7f57c45fed106ff8903f9d8988cb47d909380e", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking 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: 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: 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 dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "71340c26c58c3c5ae9745afbcd7f57c45fed106ff8903f9d8988cb47d909380e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71340c26c58c3c5ae9745afbcd7f57c45fed106ff8903f9d8988cb47d909380e", kill_on_drop: false }`
[INFO] [stdout] 71340c26c58c3c5ae9745afbcd7f57c45fed106ff8903f9d8988cb47d909380e