[INFO] cloning repository https://github.com/Solo-steven/learning-rust-parallel [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Solo-steven/learning-rust-parallel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolo-steven%2Flearning-rust-parallel", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolo-steven%2Flearning-rust-parallel'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] baf50b8ac00872d1912f3c037691f0b72e0daa7f [INFO] checking Solo-steven/learning-rust-parallel against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolo-steven%2Flearning-rust-parallel" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Solo-steven/learning-rust-parallel 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/Solo-steven/learning-rust-parallel [INFO] finished tweaking git repo https://github.com/Solo-steven/learning-rust-parallel [INFO] tweaked toml for git repo https://github.com/Solo-steven/learning-rust-parallel written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Solo-steven/learning-rust-parallel 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded plotters-svg v0.3.5 [INFO] [stderr] Downloaded ciborium-io v0.2.1 [INFO] [stderr] Downloaded ciborium-ll v0.2.1 [INFO] [stderr] Downloaded plotters-backend v0.3.5 [INFO] [stderr] Downloaded ciborium v0.2.1 [INFO] [stderr] Downloaded os_str_bytes v6.5.1 [INFO] [stderr] Downloaded memchr v2.6.0 [INFO] [stderr] Downloaded aho-corasick v1.0.4 [INFO] [stderr] Downloaded plotters v0.3.5 [INFO] [stderr] Downloaded serde_json v1.0.105 [INFO] [stderr] Downloaded regex v1.9.4 [INFO] [stderr] Downloaded syn v2.0.29 [INFO] [stderr] Downloaded regex-automata v0.3.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 76f3d69fbbe9bf203675f433e861871c3675dcb3bc425c3cd82db58ae688568e [INFO] running `Command { std: "docker" "start" "-a" "76f3d69fbbe9bf203675f433e861871c3675dcb3bc425c3cd82db58ae688568e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "76f3d69fbbe9bf203675f433e861871c3675dcb3bc425c3cd82db58ae688568e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76f3d69fbbe9bf203675f433e861871c3675dcb3bc425c3cd82db58ae688568e", kill_on_drop: false }` [INFO] [stdout] 76f3d69fbbe9bf203675f433e861871c3675dcb3bc425c3cd82db58ae688568e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8f656ef645aa382233279b88f4f852872b78b6f151bd6304ac3276bdc440e7b3 [INFO] running `Command { std: "docker" "start" "-a" "8f656ef645aa382233279b88f4f852872b78b6f151bd6304ac3276bdc440e7b3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Compiling serde_json v1.0.105 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking ciborium-io v0.2.1 [INFO] [stderr] Checking os_str_bytes v6.5.1 [INFO] [stderr] Checking regex-syntax v0.7.5 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking ciborium-ll v0.2.1 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking textwrap v0.16.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Compiling syn v2.0.29 [INFO] [stderr] Checking walkdir v2.3.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking regex-automata v0.3.7 [INFO] [stderr] Checking learning-rust-parallel v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking rayon v1.7.0 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking regex v1.9.4 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Checking serde v1.0.188 [INFO] [stderr] Checking ciborium v0.2.1 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.4.0 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.17s [INFO] running `Command { std: "docker" "inspect" "8f656ef645aa382233279b88f4f852872b78b6f151bd6304ac3276bdc440e7b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f656ef645aa382233279b88f4f852872b78b6f151bd6304ac3276bdc440e7b3", kill_on_drop: false }` [INFO] [stdout] 8f656ef645aa382233279b88f4f852872b78b6f151bd6304ac3276bdc440e7b3 [INFO] checking Solo-steven/learning-rust-parallel 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%2FSolo-steven%2Flearning-rust-parallel" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Solo-steven/learning-rust-parallel 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/Solo-steven/learning-rust-parallel [INFO] finished tweaking git repo https://github.com/Solo-steven/learning-rust-parallel [INFO] tweaked toml for git repo https://github.com/Solo-steven/learning-rust-parallel written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Solo-steven/learning-rust-parallel 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 85a9739378143618038c5aba1ae0559b4ca36783dfdd6aacda948f670002ef59 [INFO] running `Command { std: "docker" "start" "-a" "85a9739378143618038c5aba1ae0559b4ca36783dfdd6aacda948f670002ef59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85a9739378143618038c5aba1ae0559b4ca36783dfdd6aacda948f670002ef59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85a9739378143618038c5aba1ae0559b4ca36783dfdd6aacda948f670002ef59", kill_on_drop: false }` [INFO] [stdout] 85a9739378143618038c5aba1ae0559b4ca36783dfdd6aacda948f670002ef59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9b6f67d1432abff8830d999b267a434aa1bea28aee26c26889e1e67c2a3f3693 [INFO] running `Command { std: "docker" "start" "-a" "9b6f67d1432abff8830d999b267a434aa1bea28aee26c26889e1e67c2a3f3693", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Compiling serde_json v1.0.105 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Checking os_str_bytes v6.5.1 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking ciborium-io v0.2.1 [INFO] [stderr] Checking regex-syntax v0.7.5 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking ciborium-ll v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling syn v2.0.29 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking textwrap v0.16.0 [INFO] [stderr] Checking walkdir v2.3.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking learning-rust-parallel v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking clap v3.2.25 [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/work_pool.rs:19:21 [INFO] [stdout] | [INFO] [stdout] 14 | job_receiver: Arc>>, [INFO] [stdout] | --------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 15 | counter: Arc> [INFO] [stdout] | -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 19 | thread: Some(thread::spawn(move || { [INFO] [stdout] | _____________________^ [INFO] [stdout] 20 | | loop { [INFO] [stdout] 21 | | let result = job_receiver.lock().unwrap().recv(); [INFO] [stdout] 22 | | match result { [INFO] [stdout] ... | [INFO] [stdout] 32 | | } [INFO] [stdout] 33 | | })) [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/work_pool.rs:56:25 [INFO] [stdout] | [INFO] [stdout] 48 | let (job_sender, job_receiver) = channel::(); [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] 49 | let thread_safe_job_receiver = Arc::new(Mutex::new(job_receiver)); [INFO] [stdout] | ------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 50 | let mut workers = Vec::with_capacity(size); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 51 | let thread_saft_counter = Arc::new(Mutex::new(size)); [INFO] [stdout] | ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 56 | job_sender: Some(job_sender), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `learning-rust-parallel` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "9b6f67d1432abff8830d999b267a434aa1bea28aee26c26889e1e67c2a3f3693", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b6f67d1432abff8830d999b267a434aa1bea28aee26c26889e1e67c2a3f3693", kill_on_drop: false }` [INFO] [stdout] 9b6f67d1432abff8830d999b267a434aa1bea28aee26c26889e1e67c2a3f3693