[INFO] cloning repository https://github.com/MathewBravo/low-latency-logger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MathewBravo/low-latency-logger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathewBravo%2Flow-latency-logger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathewBravo%2Flow-latency-logger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5aee8565dc7c8431a02e2dc7e31e5d975b493e96
[INFO] testing MathewBravo/low-latency-logger against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathewBravo%2Flow-latency-logger" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MathewBravo/low-latency-logger on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MathewBravo/low-latency-logger
[INFO] finished tweaking git repo https://github.com/MathewBravo/low-latency-logger
[INFO] tweaked toml for git repo https://github.com/MathewBravo/low-latency-logger written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MathewBravo/low-latency-logger 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3703ee433e83baae11d516690f812d65fa2ad8a8847414964b1fe3e5a27b145
[INFO] running `Command { std: "docker" "start" "-a" "d3703ee433e83baae11d516690f812d65fa2ad8a8847414964b1fe3e5a27b145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3703ee433e83baae11d516690f812d65fa2ad8a8847414964b1fe3e5a27b145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3703ee433e83baae11d516690f812d65fa2ad8a8847414964b1fe3e5a27b145", kill_on_drop: false }`
[INFO] [stdout] d3703ee433e83baae11d516690f812d65fa2ad8a8847414964b1fe3e5a27b145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1b5d44066a6650516c662c05e7c0057622a4f99e628069749bf64f1d08e450f
[INFO] running `Command { std: "docker" "start" "-a" "e1b5d44066a6650516c662c05e7c0057622a4f99e628069749bf64f1d08e450f", kill_on_drop: false }`
[INFO] [stderr]    Compiling low-latency-logger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `LF_Queue` should have an upper camel case name
[INFO] [stdout]  --> src/lf_queue/lf_queue.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct LF_Queue<T: Default + Clone> {
[INFO] [stdout]   |            ^^^^^^^^ help: convert the identifier to upper camel case: `LfQueue`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LF_Queue` is never constructed
[INFO] [stdout]  --> src/lf_queue/lf_queue.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct LF_Queue<T: Default + Clone> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `size`, `get_next_to_write_to`, `get_next_to_read`, `update_write_index`, and `update_read_index` are never used
[INFO] [stdout]   --> src/lf_queue/lf_queue.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<T: Default + Clone> LF_Queue<T> {
[INFO] [stdout]    | ------------------------------------ associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(num_elemnts: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn size(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn get_next_to_write_to(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn get_next_to_read(&self) -> Option<&T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn update_write_index(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn update_read_index(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LogElement` is never used
[INFO] [stdout]  --> src/log/log.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum LogElement {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOG_QUEUE_SIZE` is never used
[INFO] [stdout]   --> src/log/log.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const LOG_QUEUE_SIZE: usize = 8 * 1024 * 1024;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Logger` is never constructed
[INFO] [stdout]   --> src/log/log.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Logger {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "e1b5d44066a6650516c662c05e7c0057622a4f99e628069749bf64f1d08e450f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b5d44066a6650516c662c05e7c0057622a4f99e628069749bf64f1d08e450f", kill_on_drop: false }`
[INFO] [stdout] e1b5d44066a6650516c662c05e7c0057622a4f99e628069749bf64f1d08e450f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 422a11c03c860b0e54ecd5ef773f432bdeba81a371ed95e405ee632826f0818d
[INFO] running `Command { std: "docker" "start" "-a" "422a11c03c860b0e54ecd5ef773f432bdeba81a371ed95e405ee632826f0818d", kill_on_drop: false }`
[INFO] [stderr]    Compiling low-latency-logger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `LF_Queue` should have an upper camel case name
[INFO] [stdout]  --> src/lf_queue/lf_queue.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct LF_Queue<T: Default + Clone> {
[INFO] [stdout]   |            ^^^^^^^^ help: convert the identifier to upper camel case: `LfQueue`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lf_queue/lf_queue.rs:110:25
[INFO] [stdout]     |
[INFO] [stdout] 110 |                     let mut queue_guard = queue_clone.lock().unwrap();
[INFO] [stdout]     |                         ----^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LogElement` is never used
[INFO] [stdout]  --> src/log/log.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum LogElement {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOG_QUEUE_SIZE` is never used
[INFO] [stdout]   --> src/log/log.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const LOG_QUEUE_SIZE: usize = 8 * 1024 * 1024;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Logger` is never constructed
[INFO] [stdout]   --> src/log/log.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Logger {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "422a11c03c860b0e54ecd5ef773f432bdeba81a371ed95e405ee632826f0818d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "422a11c03c860b0e54ecd5ef773f432bdeba81a371ed95e405ee632826f0818d", kill_on_drop: false }`
[INFO] [stdout] 422a11c03c860b0e54ecd5ef773f432bdeba81a371ed95e405ee632826f0818d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9933178627fef80a6bdbd69a1fcc1c2b613229ede7919fe5911b710db9759c5
[INFO] running `Command { std: "docker" "start" "-a" "a9933178627fef80a6bdbd69a1fcc1c2b613229ede7919fe5911b710db9759c5", kill_on_drop: false }`
[INFO] [stderr] warning: type `LF_Queue` should have an upper camel case name
[INFO] [stderr]  --> src/lf_queue/lf_queue.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct LF_Queue<T: Default + Clone> {
[INFO] [stderr]   |            ^^^^^^^^ help: convert the identifier to upper camel case: `LfQueue`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lf_queue/lf_queue.rs:110:25
[INFO] [stderr]     |
[INFO] [stderr] 110 |                     let mut queue_guard = queue_clone.lock().unwrap();
[INFO] [stderr]     |                         ----^^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `LogElement` is never used
[INFO] [stderr]  --> src/log/log.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub enum LogElement {
[INFO] [stderr]   |          ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `LOG_QUEUE_SIZE` is never used
[INFO] [stderr]   --> src/log/log.rs:15:7
[INFO] [stderr]    |
[INFO] [stderr] 15 | const LOG_QUEUE_SIZE: usize = 8 * 1024 * 1024;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Logger` is never constructed
[INFO] [stderr]   --> src/log/log.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct Logger {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `low-latency-logger` (bin "low-latency-logger" test) generated 5 warnings (run `cargo fix --bin "low-latency-logger" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/low_latency_logger-f02996ddf28e8535)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test lf_queue::lf_queue::tests::test_basic_queue_operations ... ok
[INFO] [stdout] test lf_queue::lf_queue::tests::test_multithreaded_queue_operations has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "a9933178627fef80a6bdbd69a1fcc1c2b613229ede7919fe5911b710db9759c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9933178627fef80a6bdbd69a1fcc1c2b613229ede7919fe5911b710db9759c5", kill_on_drop: false }`
[INFO] [stdout] a9933178627fef80a6bdbd69a1fcc1c2b613229ede7919fe5911b710db9759c5
