[INFO] cloning repository https://github.com/Data-Transfer/parallel-read-channels [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Data-Transfer/parallel-read-channels" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FData-Transfer%2Fparallel-read-channels", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FData-Transfer%2Fparallel-read-channels'... [INFO] updating cached repository https://github.com/Data-Transfer/parallel-read-channels [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/Data-Transfer/parallel-read-channels [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/Data-Transfer/parallel-read-channels [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/Data-Transfer/parallel-read-channels [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/Data-Transfer/parallel-read-channels [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/Data-Transfer/parallel-read-channels [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/Data-Transfer/parallel-read-channels [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/Data-Transfer/parallel-read-channels [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/Data-Transfer/parallel-read-channels [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/Data-Transfer/parallel-read-channels [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/Data-Transfer/parallel-read-channels [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/Data-Transfer/parallel-read-channels [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/Data-Transfer/parallel-read-channels [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/Data-Transfer/parallel-read-channels [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dedfb576a3f060f9811785abcb0d222e44d67635 [INFO] checking Data-Transfer/parallel-read-channels against master#1673f1450eeaf4a5452e086db0fe2ae274a0144f for pr-99413 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FData-Transfer%2Fparallel-read-channels" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Data-Transfer/parallel-read-channels on toolchain 1673f1450eeaf4a5452e086db0fe2ae274a0144f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1673f1450eeaf4a5452e086db0fe2ae274a0144f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Data-Transfer/parallel-read-channels [INFO] finished tweaking git repo https://github.com/Data-Transfer/parallel-read-channels [INFO] tweaked toml for git repo https://github.com/Data-Transfer/parallel-read-channels written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/Data-Transfer/parallel-read-channels already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1673f1450eeaf4a5452e086db0fe2ae274a0144f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+1673f1450eeaf4a5452e086db0fe2ae274a0144f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 359182d6c90a84eb82e09e05fe4d2cc47d9b59a0b99a315483c5945f7fe5ab18 [INFO] running `Command { std: "docker" "start" "-a" "359182d6c90a84eb82e09e05fe4d2cc47d9b59a0b99a315483c5945f7fe5ab18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "359182d6c90a84eb82e09e05fe4d2cc47d9b59a0b99a315483c5945f7fe5ab18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "359182d6c90a84eb82e09e05fe4d2cc47d9b59a0b99a315483c5945f7fe5ab18", kill_on_drop: false }` [INFO] [stdout] 359182d6c90a84eb82e09e05fe4d2cc47d9b59a0b99a315483c5945f7fe5ab18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+1673f1450eeaf4a5452e086db0fe2ae274a0144f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fe5a822c519f53e807388b0f9c4ef0bdec0f4ccca59edd60a9c6a706f1bc7ac8 [INFO] running `Command { std: "docker" "start" "-a" "fe5a822c519f53e807388b0f9c4ef0bdec0f4ccca59edd60a9c6a706f1bc7ac8", kill_on_drop: false }` [INFO] [stderr] Checking sycqueue v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/bin/multi.rs:130:25 [INFO] [stdout] | [INFO] [stdout] 130 | _ => { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/bin/multi.rs:77:24 [INFO] [stdout] | [INFO] [stdout] 77 | Ok(s) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/bin/multi.rs:122:40 [INFO] [stdout] | [INFO] [stdout] 122 | ... if let Err(err) = rd.producer_tx.send(Read(rd.clone(), buffer)) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/bin/multi.rs:130:25 [INFO] [stdout] | [INFO] [stdout] 130 | _ => { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/bin/multi.rs:77:24 [INFO] [stdout] | [INFO] [stdout] 77 | Ok(s) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/bin/multi.rs:122:40 [INFO] [stdout] | [INFO] [stdout] 122 | ... if let Err(err) = rd.producer_tx.send(Read(rd.clone(), buffer)) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/bin/multi.rs:67:17 [INFO] [stdout] | [INFO] [stdout] 67 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/bin/multi.rs:84:25 [INFO] [stdout] | [INFO] [stdout] 84 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `consume` is never used [INFO] [stdout] --> src/bin/multi.rs:165:4 [INFO] [stdout] | [INFO] [stdout] 165 | fn consume(buffer: &Buffer) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/bin/multi.rs:67:17 [INFO] [stdout] | [INFO] [stdout] 67 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/bin/multi.rs:84:25 [INFO] [stdout] | [INFO] [stdout] 84 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `consume` is never used [INFO] [stdout] --> src/bin/multi.rs:165:4 [INFO] [stdout] | [INFO] [stdout] 165 | fn consume(buffer: &Buffer) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/bin/multi_arc.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/bin/multi_arc.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/bin/multi_arc.rs:132:25 [INFO] [stdout] | [INFO] [stdout] 132 | _ => { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/bin/multi_arc.rs:124:40 [INFO] [stdout] | [INFO] [stdout] 124 | ... if let Err(err) = rd.producer_tx.send(Read(rd.clone(), buffer)) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `consume` is never used [INFO] [stdout] --> src/bin/multi_arc.rs:167:4 [INFO] [stdout] | [INFO] [stdout] 167 | fn consume(buffer: &Buffer) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/bin/multi_arc.rs:132:25 [INFO] [stdout] | [INFO] [stdout] 132 | _ => { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/bin/multi_arc.rs:124:40 [INFO] [stdout] | [INFO] [stdout] 124 | ... if let Err(err) = rd.producer_tx.send(Read(rd.clone(), buffer)) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `consume` is never used [INFO] [stdout] --> src/bin/multi_arc.rs:167:4 [INFO] [stdout] | [INFO] [stdout] 167 | fn consume(buffer: &Buffer) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/channel.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | tx.send(v); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/channel.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | tx.send(v); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "fe5a822c519f53e807388b0f9c4ef0bdec0f4ccca59edd60a9c6a706f1bc7ac8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe5a822c519f53e807388b0f9c4ef0bdec0f4ccca59edd60a9c6a706f1bc7ac8", kill_on_drop: false }` [INFO] [stdout] fe5a822c519f53e807388b0f9c4ef0bdec0f4ccca59edd60a9c6a706f1bc7ac8