[INFO] fetching crate cantor 0.1.3... [INFO] checking cantor-0.1.3 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate cantor 0.1.3 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate cantor 0.1.3 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 crates.io crate cantor 0.1.3 [INFO] finished tweaking crates.io crate cantor 0.1.3 [INFO] tweaked toml for crates.io crate cantor 0.1.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 7 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.76) [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 array-init v2.1.0 [INFO] [stderr] Downloaded cantor_macros v0.1.2 [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] 1ff631bee683c7970712834fb8530e958520b786c11c65e42eacfd4855b41701 [INFO] running `Command { std: "docker" "start" "-a" "1ff631bee683c7970712834fb8530e958520b786c11c65e42eacfd4855b41701", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ff631bee683c7970712834fb8530e958520b786c11c65e42eacfd4855b41701", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ff631bee683c7970712834fb8530e958520b786c11c65e42eacfd4855b41701", kill_on_drop: false }` [INFO] [stdout] 1ff631bee683c7970712834fb8530e958520b786c11c65e42eacfd4855b41701 [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] 2efb40c440cb84d291163887c8790549cc428b68d993f07f8429fa97fb5731a9 [INFO] running `Command { std: "docker" "start" "-a" "2efb40c440cb84d291163887c8790549cc428b68d993f07f8429fa97fb5731a9", kill_on_drop: false }` [INFO] [stderr] Checking array-init v2.1.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cantor_macros v0.1.2 [INFO] [stderr] Checking cantor v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/uint.rs:12:40 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct NumBits<'a, const N: usize>(&'a ()); [INFO] [stdout] | ------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/uint.rs:12:40 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct NumBits<'a, const N: usize>(&'a ()); [INFO] [stdout] | ------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.72s [INFO] running `Command { std: "docker" "inspect" "2efb40c440cb84d291163887c8790549cc428b68d993f07f8429fa97fb5731a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2efb40c440cb84d291163887c8790549cc428b68d993f07f8429fa97fb5731a9", kill_on_drop: false }` [INFO] [stdout] 2efb40c440cb84d291163887c8790549cc428b68d993f07f8429fa97fb5731a9 [INFO] checking cantor-0.1.3 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] extracting crate cantor 0.1.3 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate cantor 0.1.3 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 crates.io crate cantor 0.1.3 [INFO] finished tweaking crates.io crate cantor 0.1.3 [INFO] tweaked toml for crates.io crate cantor 0.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 7 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.76) [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] 4ab5672a0bd5b5ac9b3943022d6cd338ed54f792b94ab0a2c18542c470a72f5e [INFO] running `Command { std: "docker" "start" "-a" "4ab5672a0bd5b5ac9b3943022d6cd338ed54f792b94ab0a2c18542c470a72f5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ab5672a0bd5b5ac9b3943022d6cd338ed54f792b94ab0a2c18542c470a72f5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ab5672a0bd5b5ac9b3943022d6cd338ed54f792b94ab0a2c18542c470a72f5e", kill_on_drop: false }` [INFO] [stdout] 4ab5672a0bd5b5ac9b3943022d6cd338ed54f792b94ab0a2c18542c470a72f5e [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] bc10fd8174abf459ba561e8f2f60deedfbf5b4b207cf296c7fec7aedc736b3d5 [INFO] running `Command { std: "docker" "start" "-a" "bc10fd8174abf459ba561e8f2f60deedfbf5b4b207cf296c7fec7aedc736b3d5", kill_on_drop: false }` [INFO] [stderr] Checking array-init v2.1.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cantor_macros v0.1.2 [INFO] [stderr] Checking cantor v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/uint.rs:12:40 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct NumBits<'a, const N: usize>(&'a ()); [INFO] [stdout] | ------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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/map.rs:51:18 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn new(mut f: impl FnMut(K) -> V) -> Self { [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 51 | ArrayMap(K::Array::new(|k| { [INFO] [stdout] | __________________^ [INFO] [stdout] 52 | | f(unsafe { K::nth(k).unwrap_unchecked() }) [INFO] [stdout] 53 | | })) [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/map.rs:75:18 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn map_with_key(&self, mut f: impl FnMut(K, &V) -> N) -> ArrayMap [INFO] [stdout] | ----------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 75 | ArrayMap(>::Array::new(|k| unsafe { [INFO] [stdout] | __________________^ [INFO] [stdout] 76 | | f( [INFO] [stdout] 77 | | K::nth(k).unwrap_unchecked(), [INFO] [stdout] 78 | | self.0.as_slice().get_unchecked(k), [INFO] [stdout] 79 | | ) [INFO] [stdout] 80 | | })) [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cantor` (lib) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/uint.rs:12:40 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct NumBits<'a, const N: usize>(&'a ()); [INFO] [stdout] | ------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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/map.rs:51:18 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn new(mut f: impl FnMut(K) -> V) -> Self { [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 51 | ArrayMap(K::Array::new(|k| { [INFO] [stdout] | __________________^ [INFO] [stdout] 52 | | f(unsafe { K::nth(k).unwrap_unchecked() }) [INFO] [stdout] 53 | | })) [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/map.rs:75:18 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn map_with_key(&self, mut f: impl FnMut(K, &V) -> N) -> ArrayMap [INFO] [stdout] | ----------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 75 | ArrayMap(>::Array::new(|k| unsafe { [INFO] [stdout] | __________________^ [INFO] [stdout] 76 | | f( [INFO] [stdout] 77 | | K::nth(k).unwrap_unchecked(), [INFO] [stdout] 78 | | self.0.as_slice().get_unchecked(k), [INFO] [stdout] 79 | | ) [INFO] [stdout] 80 | | })) [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cantor` (lib test) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "bc10fd8174abf459ba561e8f2f60deedfbf5b4b207cf296c7fec7aedc736b3d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc10fd8174abf459ba561e8f2f60deedfbf5b4b207cf296c7fec7aedc736b3d5", kill_on_drop: false }` [INFO] [stdout] bc10fd8174abf459ba561e8f2f60deedfbf5b4b207cf296c7fec7aedc736b3d5