[INFO] fetching crate rustbook-ch14-02 0.0.1... [INFO] checking rustbook-ch14-02-0.0.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate rustbook-ch14-02 0.0.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate rustbook-ch14-02 0.0.1 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 rustbook-ch14-02 0.0.1 [INFO] finished tweaking crates.io crate rustbook-ch14-02 0.0.1 [INFO] tweaked toml for crates.io crate rustbook-ch14-02 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate rustbook-ch14-02 0.0.1 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 num v0.4.0 [INFO] [stderr] Downloaded num-iter v0.1.42 [INFO] [stderr] Downloaded num-complex v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5d87f4dff1ee7b1d92153c8da7fcc0c5604bdabd18741b64e4b28a7e7fb32435 [INFO] running `Command { std: "docker" "start" "-a" "5d87f4dff1ee7b1d92153c8da7fcc0c5604bdabd18741b64e4b28a7e7fb32435", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d87f4dff1ee7b1d92153c8da7fcc0c5604bdabd18741b64e4b28a7e7fb32435", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d87f4dff1ee7b1d92153c8da7fcc0c5604bdabd18741b64e4b28a7e7fb32435", kill_on_drop: false }` [INFO] [stdout] 5d87f4dff1ee7b1d92153c8da7fcc0c5604bdabd18741b64e4b28a7e7fb32435 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d55558ca614145f910d7c65142f06b13e7bd3e21a67e4c652762c0fefbbdbb16 [INFO] running `Command { std: "docker" "start" "-a" "d55558ca614145f910d7c65142f06b13e7bd3e21a67e4c652762c0fefbbdbb16", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Checking rustbook-ch14-02 v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `c1` [INFO] [stdout] --> src/lib.rs:61:14 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c2` [INFO] [stdout] --> src/lib.rs:61:32 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `Art` should have a snake case name [INFO] [stdout] --> src/lib.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | pub mod Art { [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `art` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c1` [INFO] [stdout] --> src/lib.rs:61:14 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c2` [INFO] [stdout] --> src/lib.rs:61:32 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `Art` should have a snake case name [INFO] [stdout] --> src/lib.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | pub mod Art { [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `art` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [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 [optimized + debuginfo] target(s) in 1.73s [INFO] running `Command { std: "docker" "inspect" "d55558ca614145f910d7c65142f06b13e7bd3e21a67e4c652762c0fefbbdbb16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d55558ca614145f910d7c65142f06b13e7bd3e21a67e4c652762c0fefbbdbb16", kill_on_drop: false }` [INFO] [stdout] d55558ca614145f910d7c65142f06b13e7bd3e21a67e4c652762c0fefbbdbb16 [INFO] checking rustbook-ch14-02-0.0.1 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] extracting crate rustbook-ch14-02 0.0.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate rustbook-ch14-02 0.0.1 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 rustbook-ch14-02 0.0.1 [INFO] finished tweaking crates.io crate rustbook-ch14-02 0.0.1 [INFO] tweaked toml for crates.io crate rustbook-ch14-02 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate rustbook-ch14-02 0.0.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1c906171e301243be0c36002e4409932245301f53b6da06f7f1862d387afca6d [INFO] running `Command { std: "docker" "start" "-a" "1c906171e301243be0c36002e4409932245301f53b6da06f7f1862d387afca6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c906171e301243be0c36002e4409932245301f53b6da06f7f1862d387afca6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c906171e301243be0c36002e4409932245301f53b6da06f7f1862d387afca6d", kill_on_drop: false }` [INFO] [stdout] 1c906171e301243be0c36002e4409932245301f53b6da06f7f1862d387afca6d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 11f5f2e28b865af1f6b72277920f0e424fb1ca46928fcd146656875f839da2e1 [INFO] running `Command { std: "docker" "start" "-a" "11f5f2e28b865af1f6b72277920f0e424fb1ca46928fcd146656875f839da2e1", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Checking rustbook-ch14-02 v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `c1` [INFO] [stdout] --> src/lib.rs:61:14 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c2` [INFO] [stdout] --> src/lib.rs:61:32 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [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/lib.rs:27:6 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn add_one(x: T) -> T [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 27 | x + One::one() [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] warning: unused variable: `c1` [INFO] [stdout] --> src/lib.rs:61:14 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `Art` should have a snake case name [INFO] [stdout] --> src/lib.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | pub mod Art { [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `art` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c2` [INFO] [stdout] --> src/lib.rs:61:32 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [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/lib.rs:27:6 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn add_one(x: T) -> T [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 27 | x + One::one() [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] warning: module `Art` should have a snake case name [INFO] [stdout] --> src/lib.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | pub mod Art { [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `art` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [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 `rustbook-ch14-02` (lib) 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 `rustbook-ch14-02` (lib test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "11f5f2e28b865af1f6b72277920f0e424fb1ca46928fcd146656875f839da2e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11f5f2e28b865af1f6b72277920f0e424fb1ca46928fcd146656875f839da2e1", kill_on_drop: false }` [INFO] [stdout] 11f5f2e28b865af1f6b72277920f0e424fb1ca46928fcd146656875f839da2e1