[INFO] fetching crate bitgrep 0.1.5...
[INFO] checking bitgrep-0.1.5 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate bitgrep 0.1.5 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate bitgrep 0.1.5 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 bitgrep 0.1.5
[INFO] finished tweaking crates.io crate bitgrep 0.1.5
[INFO] tweaked toml for crates.io crate bitgrep 0.1.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate bitgrep 0.1.5 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-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c520cc5327dfe3757d26b44a830a284ff80de57fbcb6ee4c73d91faeee6483b9
[INFO] running `Command { std: "docker" "start" "-a" "c520cc5327dfe3757d26b44a830a284ff80de57fbcb6ee4c73d91faeee6483b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c520cc5327dfe3757d26b44a830a284ff80de57fbcb6ee4c73d91faeee6483b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c520cc5327dfe3757d26b44a830a284ff80de57fbcb6ee4c73d91faeee6483b9", kill_on_drop: false }`
[INFO] [stdout] c520cc5327dfe3757d26b44a830a284ff80de57fbcb6ee4c73d91faeee6483b9
[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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c44f892cfc34e0af10de760321652b75096961f526fa99e0e1f9d21c632c86b
[INFO] running `Command { std: "docker" "start" "-a" "4c44f892cfc34e0af10de760321652b75096961f526fa99e0e1f9d21c632c86b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking anstream v0.6.5
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking clap_builder v4.4.11
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]    Compiling syn v2.0.40
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[INFO] [stderr]     Checking criterion-plot v0.5.0
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[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking clap v4.4.11
[INFO] [stderr]     Checking bitgrep v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `cmp` and `collections::VecDeque`
[INFO] [stdout]  --> src/workers/entropy_processor.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cmp, collections::VecDeque, marker::PhantomData};
[INFO] [stdout]   |           ^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `add` are never used
[INFO] [stdout]   --> src/filters/and.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T> And<T> {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 21 |     #[must_use]
[INFO] [stdout] 22 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn add(&mut self, filter: Box<dyn Filter<T>>) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Content` is never used
[INFO] [stdout]  --> src/printers/output.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) enum Content {
[INFO] [stdout]   |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pop` is never used
[INFO] [stdout]   --> src/filebuffer.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<'a> FileBuffer<'a> {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 97 |     pub fn pop(&mut self, n: usize) -> Result<Vec<u8>, io::Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidHexFormat` is never constructed
[INFO] [stdout]   --> src/hex.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum DecodeHexError {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     InvalidHexFormat(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DecodeHexError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode` is never used
[INFO] [stdout]   --> src/hex.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn decode(s: &str) -> Result<Vec<u8>, DecodeHexError> {
[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/filebuffer.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn with_buffer_size(reader: impl io::Read + 'a, buffer_size: usize) -> Self {
[INFO] [stdout]    |                         -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 26 |             file: Box::new(reader),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitgrep` (lib) due to 2 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4c44f892cfc34e0af10de760321652b75096961f526fa99e0e1f9d21c632c86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c44f892cfc34e0af10de760321652b75096961f526fa99e0e1f9d21c632c86b", kill_on_drop: false }`
[INFO] [stdout] 4c44f892cfc34e0af10de760321652b75096961f526fa99e0e1f9d21c632c86b