[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 master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathewBravo%2Flow-latency-logger" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MathewBravo/low-latency-logger on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "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-1-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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9631924d44951758697ebd38c2292efeee5aa877c38fd75628d9815e7153777f [INFO] running `Command { std: "docker" "start" "-a" "9631924d44951758697ebd38c2292efeee5aa877c38fd75628d9815e7153777f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9631924d44951758697ebd38c2292efeee5aa877c38fd75628d9815e7153777f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9631924d44951758697ebd38c2292efeee5aa877c38fd75628d9815e7153777f", kill_on_drop: false }` [INFO] [stdout] 9631924d44951758697ebd38c2292efeee5aa877c38fd75628d9815e7153777f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7beda0cc0700d373a1448aa89d13a827dbe537a0f344af1bf3bd1edeb5ccacb1 [INFO] running `Command { std: "docker" "start" "-a" "7beda0cc0700d373a1448aa89d13a827dbe537a0f344af1bf3bd1edeb5ccacb1", 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 { [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 { [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 LF_Queue { [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 0.14s [INFO] running `Command { std: "docker" "inspect" "7beda0cc0700d373a1448aa89d13a827dbe537a0f344af1bf3bd1edeb5ccacb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7beda0cc0700d373a1448aa89d13a827dbe537a0f344af1bf3bd1edeb5ccacb1", kill_on_drop: false }` [INFO] [stdout] 7beda0cc0700d373a1448aa89d13a827dbe537a0f344af1bf3bd1edeb5ccacb1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d5b79754b9fffdd6aecbfd91af75db33fdb11df122ab163978281387a0aa8bd [INFO] running `Command { std: "docker" "start" "-a" "8d5b79754b9fffdd6aecbfd91af75db33fdb11df122ab163978281387a0aa8bd", 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 { [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 0.39s [INFO] running `Command { std: "docker" "inspect" "8d5b79754b9fffdd6aecbfd91af75db33fdb11df122ab163978281387a0aa8bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d5b79754b9fffdd6aecbfd91af75db33fdb11df122ab163978281387a0aa8bd", kill_on_drop: false }` [INFO] [stdout] 8d5b79754b9fffdd6aecbfd91af75db33fdb11df122ab163978281387a0aa8bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 38f0a47cfedbaf88ea7f23ec44ca061446a51452b21d573bc291e5035c5b0903 [INFO] running `Command { std: "docker" "start" "-a" "38f0a47cfedbaf88ea7f23ec44ca061446a51452b21d573bc291e5035c5b0903", 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 { [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-afb4ad3db2e163d2) [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" "38f0a47cfedbaf88ea7f23ec44ca061446a51452b21d573bc291e5035c5b0903", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38f0a47cfedbaf88ea7f23ec44ca061446a51452b21d573bc291e5035c5b0903", kill_on_drop: false }` [INFO] [stdout] 38f0a47cfedbaf88ea7f23ec44ca061446a51452b21d573bc291e5035c5b0903