[INFO] fetching crate de-obfuscator 0.1.0... [INFO] checking de-obfuscator-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate de-obfuscator 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate de-obfuscator 0.1.0 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate de-obfuscator 0.1.0 [INFO] finished tweaking crates.io crate de-obfuscator 0.1.0 [INFO] tweaked toml for crates.io crate de-obfuscator 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate de-obfuscator 0.1.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eb285ffebb6f4c77f277d739293d68ef4e00ff2fabb9d1fd28760b2c128f3b5e [INFO] running `Command { std: "docker" "start" "-a" "eb285ffebb6f4c77f277d739293d68ef4e00ff2fabb9d1fd28760b2c128f3b5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb285ffebb6f4c77f277d739293d68ef4e00ff2fabb9d1fd28760b2c128f3b5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb285ffebb6f4c77f277d739293d68ef4e00ff2fabb9d1fd28760b2c128f3b5e", kill_on_drop: false }` [INFO] [stdout] eb285ffebb6f4c77f277d739293d68ef4e00ff2fabb9d1fd28760b2c128f3b5e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3369064b84a33ded780e0e654483dedef2cd080adbea3814d1abbb9c68df363b [INFO] running `Command { std: "docker" "start" "-a" "3369064b84a33ded780e0e654483dedef2cd080adbea3814d1abbb9c68df363b", kill_on_drop: false }` [INFO] [stderr] Checking base85 v1.1.1 [INFO] [stderr] Checking de-obfuscator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `decode` and `encode` [INFO] [stdout] --> src/main.rs:3:14 [INFO] [stdout] | [INFO] [stdout] 3 | use base85::{decode,encode}; [INFO] [stdout] | ^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:595:5 [INFO] [stdout] | [INFO] [stdout] 595 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `decode` and `encode` [INFO] [stdout] --> src/main.rs:3:14 [INFO] [stdout] | [INFO] [stdout] 3 | use base85::{decode,encode}; [INFO] [stdout] | ^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:595:5 [INFO] [stdout] | [INFO] [stdout] 595 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `binary_to_decimal` is never used [INFO] [stdout] --> src/main.rs:833:4 [INFO] [stdout] | [INFO] [stdout] 833 | fn binary_to_decimal(binary: &[u8]) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `canonical_codebook_lengths_decimal` is never used [INFO] [stdout] --> src/main.rs:839:4 [INFO] [stdout] | [INFO] [stdout] 839 | fn canonical_codebook_lengths_decimal(canon_freqs: &Vec>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `decimal_to_binary` is never used [INFO] [stdout] --> src/main.rs:843:4 [INFO] [stdout] | [INFO] [stdout] 843 | fn decimal_to_binary(mut n: u8) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `canonical_codebook_lengths_binary` is never used [INFO] [stdout] --> src/main.rs:855:4 [INFO] [stdout] | [INFO] [stdout] 855 | fn canonical_codebook_lengths_binary(canon_freqs: &Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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:619:19 [INFO] [stdout] | [INFO] [stdout] 615 | fn with_children(freq: isize, left: Box, right: Box) -> Self { [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] 619 | left: Some(left), [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:620:20 [INFO] [stdout] | [INFO] [stdout] 615 | fn with_children(freq: isize, left: Box, right: Box) -> Self { [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] 620 | right: Some(right), [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: 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:665:5 [INFO] [stdout] | [INFO] [stdout] 651 | fn build_huffman_tree(nodes: Vec) -> HuffmanNode { [INFO] [stdout] | ----------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 652 | let mut heap: BinaryHeap<_> = nodes.into_iter().collect(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 665 | heap.pop().unwrap() [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 3 previous errors; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `de-obfuscator` (bin "de-obfuscator" test) due to 4 previous errors; 7 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: function `binary_to_decimal` is never used [INFO] [stdout] --> src/main.rs:833:4 [INFO] [stdout] | [INFO] [stdout] 833 | fn binary_to_decimal(binary: &[u8]) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `de-obfuscator` (bin "de-obfuscator") due to 4 previous errors; 7 warnings emitted [INFO] [stdout] warning: function `canonical_codebook_lengths_decimal` is never used [INFO] [stdout] --> src/main.rs:839:4 [INFO] [stdout] | [INFO] [stdout] 839 | fn canonical_codebook_lengths_decimal(canon_freqs: &Vec>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `decimal_to_binary` is never used [INFO] [stdout] --> src/main.rs:843:4 [INFO] [stdout] | [INFO] [stdout] 843 | fn decimal_to_binary(mut n: u8) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `canonical_codebook_lengths_binary` is never used [INFO] [stdout] --> src/main.rs:855:4 [INFO] [stdout] | [INFO] [stdout] 855 | fn canonical_codebook_lengths_binary(canon_freqs: &Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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:619:19 [INFO] [stdout] | [INFO] [stdout] 615 | fn with_children(freq: isize, left: Box, right: Box) -> Self { [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] 619 | left: Some(left), [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:620:20 [INFO] [stdout] | [INFO] [stdout] 615 | fn with_children(freq: isize, left: Box, right: Box) -> Self { [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] 620 | right: Some(right), [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: 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:665:5 [INFO] [stdout] | [INFO] [stdout] 651 | fn build_huffman_tree(nodes: Vec) -> HuffmanNode { [INFO] [stdout] | ----------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 652 | let mut heap: BinaryHeap<_> = nodes.into_iter().collect(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 665 | heap.pop().unwrap() [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 3 previous errors; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3369064b84a33ded780e0e654483dedef2cd080adbea3814d1abbb9c68df363b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3369064b84a33ded780e0e654483dedef2cd080adbea3814d1abbb9c68df363b", kill_on_drop: false }` [INFO] [stdout] 3369064b84a33ded780e0e654483dedef2cd080adbea3814d1abbb9c68df363b