[INFO] cloning repository https://github.com/aricursion/unit_siphon [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aricursion/unit_siphon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faricursion%2Funit_siphon", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faricursion%2Funit_siphon'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1f73ef5c090866e6c112a88c177a9764cd668b29 [INFO] checking aricursion/unit_siphon/1f73ef5c090866e6c112a88c177a9764cd668b29 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faricursion%2Funit_siphon" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aricursion/unit_siphon 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 git repo https://github.com/aricursion/unit_siphon [INFO] finished tweaking git repo https://github.com/aricursion/unit_siphon [INFO] tweaked toml for git repo https://github.com/aricursion/unit_siphon written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/aricursion/unit_siphon 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a3e48af42cb6e3a67f0c390784912f42d9127cc7d611f319a25b7d9ac6ce1e0a [INFO] running `Command { std: "docker" "start" "-a" "a3e48af42cb6e3a67f0c390784912f42d9127cc7d611f319a25b7d9ac6ce1e0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a3e48af42cb6e3a67f0c390784912f42d9127cc7d611f319a25b7d9ac6ce1e0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3e48af42cb6e3a67f0c390784912f42d9127cc7d611f319a25b7d9ac6ce1e0a", kill_on_drop: false }` [INFO] [stdout] a3e48af42cb6e3a67f0c390784912f42d9127cc7d611f319a25b7d9ac6ce1e0a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 60a2178a1973347bac2a9c0283d1c6b09daebd8b7f81e4121bee57681ab08c59 [INFO] running `Command { std: "docker" "start" "-a" "60a2178a1973347bac2a9c0283d1c6b09daebd8b7f81e4121bee57681ab08c59", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Compiling cfg_aliases v0.1.1 [INFO] [stderr] Checking strsim v0.11.0 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Compiling syn v2.0.55 [INFO] [stderr] Compiling nix v0.28.0 [INFO] [stderr] Checking clap_builder v4.5.2 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Compiling clap_derive v4.5.4 [INFO] [stderr] Checking clap v4.5.4 [INFO] [stderr] Checking unit_siphon v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `proc` is never read [INFO] [stdout] --> src/siphon.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct UnitPackage { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 12 | pub unit_iter: Box>, [INFO] [stdout] 13 | pub proc: Child, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [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/siphon.rs:19:24 [INFO] [stdout] | [INFO] [stdout] 17 | fn new(child: Child, iter: impl Iterator + 'static) -> 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] 18 | UnitPackage { [INFO] [stdout] 19 | unit_iter: Box::new(iter), [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: field `proc` is never read [INFO] [stdout] --> src/siphon.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct UnitPackage { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 12 | pub unit_iter: Box>, [INFO] [stdout] 13 | pub proc: Child, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [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/siphon.rs:19:24 [INFO] [stdout] | [INFO] [stdout] 17 | fn new(child: Child, iter: impl Iterator + 'static) -> 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] 18 | UnitPackage { [INFO] [stdout] 19 | unit_iter: Box::new(iter), [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `unit_siphon` (bin "unit_siphon" test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `unit_siphon` (bin "unit_siphon") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "60a2178a1973347bac2a9c0283d1c6b09daebd8b7f81e4121bee57681ab08c59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60a2178a1973347bac2a9c0283d1c6b09daebd8b7f81e4121bee57681ab08c59", kill_on_drop: false }` [INFO] [stdout] 60a2178a1973347bac2a9c0283d1c6b09daebd8b7f81e4121bee57681ab08c59