[INFO] cloning repository https://github.com/thelonehegelian/parallel_pipeline [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thelonehegelian/parallel_pipeline" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthelonehegelian%2Fparallel_pipeline", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthelonehegelian%2Fparallel_pipeline'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0a88328c62917845ac5ab8cbb065776747f15126 [INFO] checking thelonehegelian/parallel_pipeline against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthelonehegelian%2Fparallel_pipeline" "/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/thelonehegelian/parallel_pipeline on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/thelonehegelian/parallel_pipeline [INFO] finished tweaking git repo https://github.com/thelonehegelian/parallel_pipeline [INFO] tweaked toml for git repo https://github.com/thelonehegelian/parallel_pipeline written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/thelonehegelian/parallel_pipeline 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1501edb65418fd535dc1e5082ecc4978a79db07c2f20b433181297dcb81817ec [INFO] running `Command { std: "docker" "start" "-a" "1501edb65418fd535dc1e5082ecc4978a79db07c2f20b433181297dcb81817ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1501edb65418fd535dc1e5082ecc4978a79db07c2f20b433181297dcb81817ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1501edb65418fd535dc1e5082ecc4978a79db07c2f20b433181297dcb81817ec", kill_on_drop: false }` [INFO] [stdout] 1501edb65418fd535dc1e5082ecc4978a79db07c2f20b433181297dcb81817ec [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a9eefd12070c250b55177f727d9a0410cbf051fad138604279dcb23184acc5f5 [INFO] running `Command { std: "docker" "start" "-a" "a9eefd12070c250b55177f727d9a0410cbf051fad138604279dcb23184acc5f5", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.14 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-queue v0.3.8 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.13 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stderr] Checking crossbeam-deque v0.8.2 [INFO] [stderr] Checking crossbeam v0.8.2 [INFO] [stderr] Checking parallel_pipeline v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rcv1` [INFO] [stdout] --> src/main.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | let (snd1, rcv1) = bounded::(1); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rcv1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | for i in 0..num_workers { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rcv1` [INFO] [stdout] --> src/main.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | let (snd1, rcv1) = bounded::(1); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rcv1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | for i in 0..num_workers { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "a9eefd12070c250b55177f727d9a0410cbf051fad138604279dcb23184acc5f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9eefd12070c250b55177f727d9a0410cbf051fad138604279dcb23184acc5f5", kill_on_drop: false }` [INFO] [stdout] a9eefd12070c250b55177f727d9a0410cbf051fad138604279dcb23184acc5f5 [INFO] checking thelonehegelian/parallel_pipeline against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthelonehegelian%2Fparallel_pipeline" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/thelonehegelian/parallel_pipeline on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/thelonehegelian/parallel_pipeline [INFO] finished tweaking git repo https://github.com/thelonehegelian/parallel_pipeline [INFO] tweaked toml for git repo https://github.com/thelonehegelian/parallel_pipeline written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/thelonehegelian/parallel_pipeline 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1855ed91d118af5028c628891e43a9c04d0dccbdcb5ab1a36482832227243112 [INFO] running `Command { std: "docker" "start" "-a" "1855ed91d118af5028c628891e43a9c04d0dccbdcb5ab1a36482832227243112", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1855ed91d118af5028c628891e43a9c04d0dccbdcb5ab1a36482832227243112", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1855ed91d118af5028c628891e43a9c04d0dccbdcb5ab1a36482832227243112", kill_on_drop: false }` [INFO] [stdout] 1855ed91d118af5028c628891e43a9c04d0dccbdcb5ab1a36482832227243112 [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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2740d3ca592241461a71d84363f51948968d8dfd83f2eae880e99b774c85a017 [INFO] running `Command { std: "docker" "start" "-a" "2740d3ca592241461a71d84363f51948968d8dfd83f2eae880e99b774c85a017", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.14 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-queue v0.3.8 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.13 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stderr] Checking crossbeam-deque v0.8.2 [INFO] [stderr] Checking crossbeam v0.8.2 [INFO] [stderr] Checking parallel_pipeline v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rcv1` [INFO] [stdout] --> src/main.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | let (snd1, rcv1) = bounded::(1); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rcv1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rcv1` [INFO] [stdout] --> src/main.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | let (snd1, rcv1) = bounded::(1); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rcv1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | for i in 0..num_workers { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | for i in 0..num_workers { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 6 | let (snd1, rcv1) = bounded::(1); [INFO] [stdout] | ---- ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 7 | let (snd2, rcv2) = bounded::(1); [INFO] [stdout] | ---- ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 11 | / crossbeam::scope(|s| { [INFO] [stdout] 12 | | // Producer thread [INFO] [stdout] 13 | | s.spawn(|_| { [INFO] [stdout] 14 | | for i in 0..num_msgs { [INFO] [stdout] ... | [INFO] [stdout] 36 | | } [INFO] [stdout] 37 | | }) [INFO] [stdout] | |______^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 6 | let (snd1, rcv1) = bounded::(1); [INFO] [stdout] | ---- ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 7 | let (snd2, rcv2) = bounded::(1); [INFO] [stdout] | ---- ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 11 | / crossbeam::scope(|s| { [INFO] [stdout] 12 | | // Producer thread [INFO] [stdout] 13 | | s.spawn(|_| { [INFO] [stdout] 14 | | for i in 0..num_msgs { [INFO] [stdout] ... | [INFO] [stdout] 36 | | } [INFO] [stdout] 37 | | }) [INFO] [stdout] | |______^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `parallel_pipeline` (bin "parallel_pipeline") due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `parallel_pipeline` (bin "parallel_pipeline" test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "2740d3ca592241461a71d84363f51948968d8dfd83f2eae880e99b774c85a017", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2740d3ca592241461a71d84363f51948968d8dfd83f2eae880e99b774c85a017", kill_on_drop: false }` [INFO] [stdout] 2740d3ca592241461a71d84363f51948968d8dfd83f2eae880e99b774c85a017