[INFO] cloning repository https://github.com/ranafge/rust-rayon-blocking-non-blocking [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ranafge/rust-rayon-blocking-non-blocking" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Franafge%2Frust-rayon-blocking-non-blocking", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Franafge%2Frust-rayon-blocking-non-blocking'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b14a95bd76fdfadf8e1f2bceb90d3765fb236d17 [INFO] checking ranafge/rust-rayon-blocking-non-blocking against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Franafge%2Frust-rayon-blocking-non-blocking" "/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/ranafge/rust-rayon-blocking-non-blocking on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ranafge/rust-rayon-blocking-non-blocking [INFO] finished tweaking git repo https://github.com/ranafge/rust-rayon-blocking-non-blocking [INFO] tweaked toml for git repo https://github.com/ranafge/rust-rayon-blocking-non-blocking written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ranafge/rust-rayon-blocking-non-blocking 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 92ea4c1f01bb9b442f5a9db0b265c28b1c66c10b68531d669c6f75cc7eb268ec [INFO] running `Command { std: "docker" "start" "-a" "92ea4c1f01bb9b442f5a9db0b265c28b1c66c10b68531d669c6f75cc7eb268ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "92ea4c1f01bb9b442f5a9db0b265c28b1c66c10b68531d669c6f75cc7eb268ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92ea4c1f01bb9b442f5a9db0b265c28b1c66c10b68531d669c6f75cc7eb268ec", kill_on_drop: false }` [INFO] [stdout] 92ea4c1f01bb9b442f5a9db0b265c28b1c66c10b68531d669c6f75cc7eb268ec [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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a83193a06daaea8ad4fecb018018895e38d97a48ee419bc2aa1ac51b920049df [INFO] running `Command { std: "docker" "start" "-a" "a83193a06daaea8ad4fecb018018895e38d97a48ee419bc2aa1ac51b920049df", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking smallvec v1.13.1 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Checking mio v0.8.10 [INFO] [stderr] Checking socket2 v0.5.6 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rayon v1.9.0 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.36.0 [INFO] [stderr] Checking rust_tokio_async_wait_block_non_block v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:27:46 [INFO] [stdout] | [INFO] [stdout] 27 | async fn parallel_sum(nums: Vec) -> i32{; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:27:46 [INFO] [stdout] | [INFO] [stdout] 27 | async fn parallel_sum(nums: Vec) -> i32{; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sleep_then_print` is never used [INFO] [stdout] --> src/main.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | async fn sleep_then_print(timer: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sleep_then_print` is never used [INFO] [stdout] --> src/main.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | async fn sleep_then_print(timer: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.59s [INFO] running `Command { std: "docker" "inspect" "a83193a06daaea8ad4fecb018018895e38d97a48ee419bc2aa1ac51b920049df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a83193a06daaea8ad4fecb018018895e38d97a48ee419bc2aa1ac51b920049df", kill_on_drop: false }` [INFO] [stdout] a83193a06daaea8ad4fecb018018895e38d97a48ee419bc2aa1ac51b920049df [INFO] checking ranafge/rust-rayon-blocking-non-blocking against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Franafge%2Frust-rayon-blocking-non-blocking" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ranafge/rust-rayon-blocking-non-blocking on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ranafge/rust-rayon-blocking-non-blocking [INFO] finished tweaking git repo https://github.com/ranafge/rust-rayon-blocking-non-blocking [INFO] tweaked toml for git repo https://github.com/ranafge/rust-rayon-blocking-non-blocking written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ranafge/rust-rayon-blocking-non-blocking 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 61a97df32b22555034232053fb2faa5991b8e2220b221728ddb35897de941a5d [INFO] running `Command { std: "docker" "start" "-a" "61a97df32b22555034232053fb2faa5991b8e2220b221728ddb35897de941a5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61a97df32b22555034232053fb2faa5991b8e2220b221728ddb35897de941a5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61a97df32b22555034232053fb2faa5991b8e2220b221728ddb35897de941a5d", kill_on_drop: false }` [INFO] [stdout] 61a97df32b22555034232053fb2faa5991b8e2220b221728ddb35897de941a5d [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ab1815327c08369d6cb78713a514fd865b9b6b075803ba5ee6e47a734e7705cf [INFO] running `Command { std: "docker" "start" "-a" "ab1815327c08369d6cb78713a514fd865b9b6b075803ba5ee6e47a734e7705cf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking smallvec v1.13.1 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Checking mio v0.8.10 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking socket2 v0.5.6 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rayon v1.9.0 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.36.0 [INFO] [stderr] Checking rust_tokio_async_wait_block_non_block v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:27:46 [INFO] [stdout] | [INFO] [stdout] 27 | async fn parallel_sum(nums: Vec) -> i32{; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sleep_then_print` is never used [INFO] [stdout] --> src/main.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | async fn sleep_then_print(timer: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:27:46 [INFO] [stdout] | [INFO] [stdout] 27 | async fn parallel_sum(nums: Vec) -> i32{; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sleep_then_print` is never used [INFO] [stdout] --> src/main.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | async fn sleep_then_print(timer: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.72s [INFO] running `Command { std: "docker" "inspect" "ab1815327c08369d6cb78713a514fd865b9b6b075803ba5ee6e47a734e7705cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab1815327c08369d6cb78713a514fd865b9b6b075803ba5ee6e47a734e7705cf", kill_on_drop: false }` [INFO] [stdout] ab1815327c08369d6cb78713a514fd865b9b6b075803ba5ee6e47a734e7705cf