[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] building pschafhalter/tokio-benchmarking against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpschafhalter%2Ftokio-benchmarking" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-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-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/pschafhalter/tokio-benchmarking on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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] building pschafhalter/tokio-benchmarking against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpschafhalter%2Ftokio-benchmarking" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-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-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/pschafhalter/tokio-benchmarking on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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] building pschafhalter/tokio-benchmarking against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpschafhalter%2Ftokio-benchmarking" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-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-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/pschafhalter/tokio-benchmarking on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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 futures-executor v0.3.17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d36915a0963200630294af1cac6a5576389b9217475811d05488fca322bdaac [INFO] running `Command { std: "docker" "start" "-a" "0d36915a0963200630294af1cac6a5576389b9217475811d05488fca322bdaac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d36915a0963200630294af1cac6a5576389b9217475811d05488fca322bdaac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d36915a0963200630294af1cac6a5576389b9217475811d05488fca322bdaac", kill_on_drop: false }` [INFO] [stdout] 0d36915a0963200630294af1cac6a5576389b9217475811d05488fca322bdaac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 20b5912d4ad30ad6e0adb6a5f5be9c3ed2080814d22057637788e7c04655abc4 [INFO] running `Command { std: "docker" "start" "-a" "20b5912d4ad30ad6e0adb6a5f5be9c3ed2080814d22057637788e7c04655abc4", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling libc v0.2.105 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling futures-sink v0.3.17 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling futures-io v0.3.17 [INFO] [stderr] Compiling lock_api v0.4.5 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling tokio v1.12.0 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling mio v0.7.14 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling tokio-macros v1.5.0 [INFO] [stderr] Compiling futures-executor v0.3.17 [INFO] [stderr] Compiling futures v0.3.17 [INFO] [stderr] Compiling 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 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: `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: 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.43s [INFO] running `Command { std: "docker" "inspect" "20b5912d4ad30ad6e0adb6a5f5be9c3ed2080814d22057637788e7c04655abc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20b5912d4ad30ad6e0adb6a5f5be9c3ed2080814d22057637788e7c04655abc4", kill_on_drop: false }` [INFO] [stdout] 20b5912d4ad30ad6e0adb6a5f5be9c3ed2080814d22057637788e7c04655abc4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f6826d6f865bc7effe8ad424a4d3ec34385dfbc06a24e071bcd963276629dd76 [INFO] running `Command { std: "docker" "start" "-a" "f6826d6f865bc7effe8ad424a4d3ec34385dfbc06a24e071bcd963276629dd76", kill_on_drop: false }` [INFO] [stderr] Compiling 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 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: `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: 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: 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 `test` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "f6826d6f865bc7effe8ad424a4d3ec34385dfbc06a24e071bcd963276629dd76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6826d6f865bc7effe8ad424a4d3ec34385dfbc06a24e071bcd963276629dd76", kill_on_drop: false }` [INFO] [stdout] f6826d6f865bc7effe8ad424a4d3ec34385dfbc06a24e071bcd963276629dd76