[INFO] fetching crate maze_generator 2.0.0... [INFO] checking maze_generator-2.0.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate maze_generator 2.0.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate maze_generator 2.0.0 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 maze_generator 2.0.0 [INFO] finished tweaking crates.io crate maze_generator 2.0.0 [INFO] tweaked toml for crates.io crate maze_generator 2.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate maze_generator 2.0.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 52c666b8aaf83ffc7d68f7f91681510b94fa653be0f007dbfcec02a54300d777 [INFO] running `Command { std: "docker" "start" "-a" "52c666b8aaf83ffc7d68f7f91681510b94fa653be0f007dbfcec02a54300d777", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "52c666b8aaf83ffc7d68f7f91681510b94fa653be0f007dbfcec02a54300d777", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52c666b8aaf83ffc7d68f7f91681510b94fa653be0f007dbfcec02a54300d777", kill_on_drop: false }` [INFO] [stdout] 52c666b8aaf83ffc7d68f7f91681510b94fa653be0f007dbfcec02a54300d777 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c29f87c337923ec8672d8e37a7fc8ed17ed2ee6ef256d022efb5a37537d4981c [INFO] running `Command { std: "docker" "start" "-a" "c29f87c337923ec8672d8e37a7fc8ed17ed2ee6ef256d022efb5a37537d4981c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.89 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling anyhow v1.0.56 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking fixedbitset v0.2.0 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Compiling quote v1.0.16 [INFO] [stderr] Checking petgraph v0.5.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling clap_derive v3.1.4 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking maze_generator v2.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking clap v3.1.6 [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/test_util.rs:89:13 [INFO] [stdout] | [INFO] [stdout] 89 | quickcheck::TestResult::from_bool(algo::has_path_connecting(&graph, start, goal, None)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | unused_qualifications, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 89 - quickcheck::TestResult::from_bool(algo::has_path_connecting(&graph, start, goal, None)) [INFO] [stdout] 89 + TestResult::from_bool(algo::has_path_connecting(&graph, start, goal, None)) [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/test_util.rs:35:11 [INFO] [stdout] | [INFO] [stdout] 31 | mut gen: impl Generator, [INFO] [stdout] | ----------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 35 | match generate_maze(&mut gen, width, height) { [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/test_util.rs:70:11 [INFO] [stdout] | [INFO] [stdout] 66 | mut gen: impl Generator, [INFO] [stdout] | ----------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 70 | match generate_maze(&mut gen, width, height) { [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/test_util.rs:110:11 [INFO] [stdout] | [INFO] [stdout] 106 | mut gen: impl Generator, [INFO] [stdout] | ----------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 110 | match generate_maze(&mut gen, width, height) { [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/test_util.rs:143:11 [INFO] [stdout] | [INFO] [stdout] 135 | mut gen1: T, [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 136 | mut gen2: T, [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 143 | match generate_maze(&mut gen1, width, height) { [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 4 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `maze_generator` (lib test) due to 5 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "c29f87c337923ec8672d8e37a7fc8ed17ed2ee6ef256d022efb5a37537d4981c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c29f87c337923ec8672d8e37a7fc8ed17ed2ee6ef256d022efb5a37537d4981c", kill_on_drop: false }` [INFO] [stdout] c29f87c337923ec8672d8e37a7fc8ed17ed2ee6ef256d022efb5a37537d4981c