[INFO] fetching crate jcc-cli 0.1.7... [INFO] checking jcc-cli-0.1.7 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate jcc-cli 0.1.7 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate jcc-cli 0.1.7 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 jcc-cli 0.1.7 [INFO] finished tweaking crates.io crate jcc-cli 0.1.7 [INFO] tweaked toml for crates.io crate jcc-cli 0.1.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate jcc-cli 0.1.7 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] b194c4ddc7f757671da66f4c4025cad807c05233d3bd3919e58d851e83f68899 [INFO] running `Command { std: "docker" "start" "-a" "b194c4ddc7f757671da66f4c4025cad807c05233d3bd3919e58d851e83f68899", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b194c4ddc7f757671da66f4c4025cad807c05233d3bd3919e58d851e83f68899", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b194c4ddc7f757671da66f4c4025cad807c05233d3bd3919e58d851e83f68899", kill_on_drop: false }` [INFO] [stdout] b194c4ddc7f757671da66f4c4025cad807c05233d3bd3919e58d851e83f68899 [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] d7b29673334ff835dd4df57c7dbf6dad45f25e1231624f2333e39c848c14f29b [INFO] running `Command { std: "docker" "start" "-a" "d7b29673334ff835dd4df57c7dbf6dad45f25e1231624f2333e39c848c14f29b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Compiling rustix v0.38.9 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Checking linux-raw-sys v0.4.5 [INFO] [stderr] Compiling serde_json v1.0.105 [INFO] [stderr] Checking bitflags v2.4.0 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking anstyle-parse v0.2.1 [INFO] [stderr] Checking anstyle v1.0.2 [INFO] [stderr] Checking regex-syntax v0.7.5 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking anstream v0.5.0 [INFO] [stderr] Checking clap_lex v0.5.1 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking ciborium-io v0.2.1 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking walkdir v2.3.3 [INFO] [stderr] Checking termcolor v1.2.0 [INFO] [stderr] Checking ciborium-ll v0.2.1 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking clap_builder v4.4.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking aho-corasick v1.0.4 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Compiling syn v2.0.29 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking rayon v1.7.0 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking regex-automata v0.3.7 [INFO] [stderr] Checking regex v1.9.4 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Compiling clap_derive v4.4.0 [INFO] [stderr] Checking env_logger v0.10.0 [INFO] [stderr] Checking clap v4.4.0 [INFO] [stderr] Checking ciborium v0.2.1 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stderr] Checking jcc v0.1.7 [INFO] [stderr] Checking jcc-cli v0.1.7 (/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:42:11 [INFO] [stdout] | [INFO] [stdout] 36 | let mut file = match fs::File::open(&path) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 37 | Err(error) => panic!("could not open {}: {}", display, error), [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 38 | Ok(file) => file, [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 42 | match file.read_to_string(&mut string) { [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] [stderr] error: could not compile `jcc-cli` (bin "jcc-cli" test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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:42:11 [INFO] [stdout] | [INFO] [stdout] 36 | let mut file = match fs::File::open(&path) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 37 | Err(error) => panic!("could not open {}: {}", display, error), [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 38 | Ok(file) => file, [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 42 | match file.read_to_string(&mut string) { [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] [stderr] error: could not compile `jcc-cli` (bin "jcc-cli") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "d7b29673334ff835dd4df57c7dbf6dad45f25e1231624f2333e39c848c14f29b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7b29673334ff835dd4df57c7dbf6dad45f25e1231624f2333e39c848c14f29b", kill_on_drop: false }` [INFO] [stdout] d7b29673334ff835dd4df57c7dbf6dad45f25e1231624f2333e39c848c14f29b