[INFO] cloning repository https://github.com/pschafhalter/tokio-benchmarking [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pschafhalter/tokio-benchmarking" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpschafhalter%2Ftokio-benchmarking", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpschafhalter%2Ftokio-benchmarking'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5e6b18056713ce1b7d03c5b3fee740d0b5c7eff8 [INFO] checking pschafhalter/tokio-benchmarking against try#595142ec72045c7f2fab2923de8e59995a52e6e7 for pr-151830 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpschafhalter%2Ftokio-benchmarking" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/pschafhalter/tokio-benchmarking [INFO] finished tweaking git repo https://github.com/pschafhalter/tokio-benchmarking [INFO] tweaked toml for git repo https://github.com/pschafhalter/tokio-benchmarking written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/pschafhalter/tokio-benchmarking on toolchain 595142ec72045c7f2fab2923de8e59995a52e6e7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/pschafhalter/tokio-benchmarking 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" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking pschafhalter/tokio-benchmarking against try#595142ec72045c7f2fab2923de8e59995a52e6e7 for pr-151830 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpschafhalter%2Ftokio-benchmarking" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/pschafhalter/tokio-benchmarking [INFO] finished tweaking git repo https://github.com/pschafhalter/tokio-benchmarking [INFO] tweaked toml for git repo https://github.com/pschafhalter/tokio-benchmarking written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/pschafhalter/tokio-benchmarking on toolchain 595142ec72045c7f2fab2923de8e59995a52e6e7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/pschafhalter/tokio-benchmarking 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" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-macros v1.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b89e28ae2188e89a30385e71ddd844179e4fbff4795e574847ea703da2ebbc4b [INFO] running `Command { std: "docker" "start" "-a" "b89e28ae2188e89a30385e71ddd844179e4fbff4795e574847ea703da2ebbc4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b89e28ae2188e89a30385e71ddd844179e4fbff4795e574847ea703da2ebbc4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b89e28ae2188e89a30385e71ddd844179e4fbff4795e574847ea703da2ebbc4b", kill_on_drop: false }` [INFO] [stdout] b89e28ae2188e89a30385e71ddd844179e4fbff4795e574847ea703da2ebbc4b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 26c2908fdfc9b3684a85c919faa06ec590899621b6224acead8382647eee3a71 [INFO] running `Command { std: "docker" "start" "-a" "26c2908fdfc9b3684a85c919faa06ec590899621b6224acead8382647eee3a71", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling libc v0.2.105 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Checking futures-sink v0.3.17 [INFO] [stderr] Checking futures-io v0.3.17 [INFO] [stderr] Compiling tokio v1.12.0 [INFO] [stderr] Checking parking_lot_core v0.8.5 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling tokio-macros v1.5.0 [INFO] [stderr] Checking futures-executor v0.3.17 [INFO] [stderr] Checking futures v0.3.17 [INFO] [stderr] Checking tokio-benchmarking v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `futures::future::select_all` [INFO] [stdout] --> src/bin/message_passing.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use futures::future::select_all; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::future::select_all` [INFO] [stdout] --> src/bin/message_passing.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use futures::future::select_all; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sleep_duration_2` [INFO] [stdout] --> src/bin/semaphores.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let sleep_duration_2 = sleep_duration.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sleep_duration_2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sleep_duration_2` [INFO] [stdout] --> src/bin/semaphores.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let sleep_duration_2 = sleep_duration.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sleep_duration_2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `create_time` is never read [INFO] [stdout] --> src/bin/semaphores.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 82 | struct Event { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 83 | create_time: Instant, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `create_time` is never read [INFO] [stdout] --> src/bin/semaphores.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 82 | struct Event { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 83 | create_time: Instant, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max_consumers` [INFO] [stdout] --> src/bin/message_passing.rs:116:5 [INFO] [stdout] | [INFO] [stdout] 116 | max_consumers: usize, [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_consumers` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max_consumers` [INFO] [stdout] --> src/bin/message_passing.rs:116:5 [INFO] [stdout] | [INFO] [stdout] 116 | max_consumers: usize, [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_consumers` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `simple_consumer` is never used [INFO] [stdout] --> src/bin/message_passing.rs:110:4 [INFO] [stdout] | [INFO] [stdout] 110 | fn simple_consumer(event: Event, stats_tx: UnboundedSender) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `consumer_manager` is never used [INFO] [stdout] --> src/bin/message_passing.rs:115:10 [INFO] [stdout] | [INFO] [stdout] 115 | async fn consumer_manager( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `simple_consumer` is never used [INFO] [stdout] --> src/bin/message_passing.rs:110:4 [INFO] [stdout] | [INFO] [stdout] 110 | fn simple_consumer(event: Event, stats_tx: UnboundedSender) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `consumer_manager` is never used [INFO] [stdout] --> src/bin/message_passing.rs:115:10 [INFO] [stdout] | [INFO] [stdout] 115 | async fn consumer_manager( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.95s [INFO] running `Command { std: "docker" "inspect" "26c2908fdfc9b3684a85c919faa06ec590899621b6224acead8382647eee3a71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26c2908fdfc9b3684a85c919faa06ec590899621b6224acead8382647eee3a71", kill_on_drop: false }` [INFO] [stdout] 26c2908fdfc9b3684a85c919faa06ec590899621b6224acead8382647eee3a71