[INFO] fetching crate redox-kprofiling 0.1.0... [INFO] checking redox-kprofiling-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate redox-kprofiling 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate redox-kprofiling 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 redox-kprofiling 0.1.0 [INFO] finished tweaking crates.io crate redox-kprofiling 0.1.0 [INFO] tweaked toml for crates.io crate redox-kprofiling 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate redox-kprofiling 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cacaeba46d1bf3692d3662a11f955d62a5e7d184576003638562f08939cc33f2 [INFO] running `Command { std: "docker" "start" "-a" "cacaeba46d1bf3692d3662a11f955d62a5e7d184576003638562f08939cc33f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cacaeba46d1bf3692d3662a11f955d62a5e7d184576003638562f08939cc33f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cacaeba46d1bf3692d3662a11f955d62a5e7d184576003638562f08939cc33f2", kill_on_drop: false }` [INFO] [stdout] cacaeba46d1bf3692d3662a11f955d62a5e7d184576003638562f08939cc33f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5dc8eb2a1b475c9819dd1a91d4463e6282b665c54f33bb8f2f9b3307e44df85f [INFO] running `Command { std: "docker" "start" "-a" "5dc8eb2a1b475c9819dd1a91d4463e6282b665c54f33bb8f2f9b3307e44df85f", kill_on_drop: false }` [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Checking redox-kprofiling v0.1.0 (/opt/rustwide/workdir) [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:39:14 [INFO] [stdout] | [INFO] [stdout] 20 | let mut symbols = BufReader::new(File::open(sym_path)?).lines().filter_map(|line| { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 23 | Err(err) => return Some(Err(err).context("failed to read line")), [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 39 | Some(Ok((addr, len, name.to_owned()))) [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:39:14 [INFO] [stdout] | [INFO] [stdout] 20 | let mut symbols = BufReader::new(File::open(sym_path)?).lines().filter_map(|line| { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 23 | Err(err) => return Some(Err(err).context("failed to read line")), [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 39 | Some(Ok((addr, len, name.to_owned()))) [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `redox-kprofiling` (bin "redox-kprofiling") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `redox-kprofiling` (bin "redox-kprofiling" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "5dc8eb2a1b475c9819dd1a91d4463e6282b665c54f33bb8f2f9b3307e44df85f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dc8eb2a1b475c9819dd1a91d4463e6282b665c54f33bb8f2f9b3307e44df85f", kill_on_drop: false }` [INFO] [stdout] 5dc8eb2a1b475c9819dd1a91d4463e6282b665c54f33bb8f2f9b3307e44df85f