[INFO] cloning repository https://github.com/danthegoodman1/lockless_ring
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danthegoodman1/lockless_ring" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanthegoodman1%2Flockless_ring", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanthegoodman1%2Flockless_ring'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7c775fa19382dd016a3ff8923c5516983e07ba0
[INFO] testing danthegoodman1/lockless_ring against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanthegoodman1%2Flockless_ring" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/danthegoodman1/lockless_ring
[INFO] finished tweaking git repo https://github.com/danthegoodman1/lockless_ring
[INFO] tweaked toml for git repo https://github.com/danthegoodman1/lockless_ring written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/danthegoodman1/lockless_ring on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/danthegoodman1/lockless_ring already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7324ac2db430be8292f1e9d27edf2048925c9ec98767cb3544600236488eb4f
[INFO] running `Command { std: "docker" "start" "-a" "e7324ac2db430be8292f1e9d27edf2048925c9ec98767cb3544600236488eb4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7324ac2db430be8292f1e9d27edf2048925c9ec98767cb3544600236488eb4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7324ac2db430be8292f1e9d27edf2048925c9ec98767cb3544600236488eb4f", kill_on_drop: false }`
[INFO] [stdout] e7324ac2db430be8292f1e9d27edf2048925c9ec98767cb3544600236488eb4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a162d585ebbfa8eea979a8b9ad87bf2886b99a66aec7bf64572b8b2161e2aa9
[INFO] running `Command { std: "docker" "start" "-a" "9a162d585ebbfa8eea979a8b9ad87bf2886b99a66aec7bf64572b8b2161e2aa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling rust_ring_buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Ring` is never constructed
[INFO] [stdout]  --> src/lib.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Ring<T: Send + Sync, const N: usize> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RingSlot` is never constructed
[INFO] [stdout]   --> src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct RingSlot<T: Send + Sync> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `take` are never used
[INFO] [stdout]   --> src/lib.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<T: Send + Sync + Debug + Copy + PartialEq, const N: usize> Ring<T, N> {
[INFO] [stdout]    | -------------------------------------------------------------------------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn new(nullval: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn push(&self, value: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn take(&self) -> T {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "9a162d585ebbfa8eea979a8b9ad87bf2886b99a66aec7bf64572b8b2161e2aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a162d585ebbfa8eea979a8b9ad87bf2886b99a66aec7bf64572b8b2161e2aa9", kill_on_drop: false }`
[INFO] [stdout] 9a162d585ebbfa8eea979a8b9ad87bf2886b99a66aec7bf64572b8b2161e2aa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5460d762d189a78b039d54800ef7fdeed901c8e3e3129f6e6d78f109b0eef3bc
[INFO] running `Command { std: "docker" "start" "-a" "5460d762d189a78b039d54800ef7fdeed901c8e3e3129f6e6d78f109b0eef3bc", kill_on_drop: false }`
[INFO] [stdout] warning: struct `Ring` is never constructed
[INFO] [stdout]  --> src/lib.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Ring<T: Send + Sync, const N: usize> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RingSlot` is never constructed
[INFO] [stdout]   --> src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct RingSlot<T: Send + Sync> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `take` are never used
[INFO] [stdout]   --> src/lib.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<T: Send + Sync + Debug + Copy + PartialEq, const N: usize> Ring<T, N> {
[INFO] [stdout]    | -------------------------------------------------------------------------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn new(nullval: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn push(&self, value: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn take(&self) -> T {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust_ring_buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ring_sc`
[INFO] [stdout]    --> src/lib.rs:402:13
[INFO] [stdout]     |
[INFO] [stdout] 402 |         let ring_sc: Ring<usize, { ITER + 1 }> = Ring::new(999); // ring capacity ITER
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ring_sc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "5460d762d189a78b039d54800ef7fdeed901c8e3e3129f6e6d78f109b0eef3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5460d762d189a78b039d54800ef7fdeed901c8e3e3129f6e6d78f109b0eef3bc", kill_on_drop: false }`
[INFO] [stdout] 5460d762d189a78b039d54800ef7fdeed901c8e3e3129f6e6d78f109b0eef3bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3d0f905c5e189d7d80026209ce8fb10ccf97fafa638111171f8d0cbae0fd61a8
[INFO] running `Command { std: "docker" "start" "-a" "3d0f905c5e189d7d80026209ce8fb10ccf97fafa638111171f8d0cbae0fd61a8", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Ring` is never constructed
[INFO] [stdout] 
[INFO] [stderr]  --> src/lib.rs:6:8
[INFO] [stdout] running 5 tests
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Ring<T: Send + Sync, const N: usize> {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RingSlot` is never constructed
[INFO] [stderr]   --> src/lib.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct RingSlot<T: Send + Sync> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `push`, and `take` are never used
[INFO] [stderr]   --> src/lib.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl<T: Send + Sync + Debug + Copy + PartialEq, const N: usize> Ring<T, N> {
[INFO] [stderr]    | -------------------------------------------------------------------------- associated items in this implementation
[INFO] [stderr] 20 |     pub fn new(nullval: T) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 34 |     pub fn push(&self, value: T) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 |     pub fn take(&self) -> T {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ring_sc`
[INFO] [stderr]    --> src/lib.rs:402:13
[INFO] [stderr]     |
[INFO] [stderr] 402 |         let ring_sc: Ring<usize, { ITER + 1 }> = Ring::new(999); // ring capacity ITER
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ring_sc`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_ring_buffer` (lib) generated 3 warnings
[INFO] [stderr] warning: `rust_ring_buffer` (lib test) generated 1 warning (run `cargo fix --lib -p rust_ring_buffer --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_ring_buffer-d5b43c0179f1b817)
[INFO] [stdout] test tests::oldtest ... ok
[INFO] [stdout] test tests::test_ring_basic_take ... ok
[INFO] [stdout] test tests::test_ring_vs_crossbeam has been running for over 60 seconds
[INFO] [stdout] test tests::test_ring_vs_flume has been running for over 60 seconds
[INFO] [stdout] test tests::test_ring_vs_vecdeque has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "3d0f905c5e189d7d80026209ce8fb10ccf97fafa638111171f8d0cbae0fd61a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d0f905c5e189d7d80026209ce8fb10ccf97fafa638111171f8d0cbae0fd61a8", kill_on_drop: false }`
[INFO] [stdout] 3d0f905c5e189d7d80026209ce8fb10ccf97fafa638111171f8d0cbae0fd61a8
