[INFO] fetching crate schemes 0.0.1-BETA... [INFO] checking schemes-0.0.1-BETA against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate schemes 0.0.1-BETA into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate schemes 0.0.1-BETA 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 schemes 0.0.1-BETA [INFO] finished tweaking crates.io crate schemes 0.0.1-BETA [INFO] tweaked toml for crates.io crate schemes 0.0.1-BETA written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate schemes 0.0.1-BETA 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] 60db54d3553dfa6033559d9db402ec85e83032d565bb66efcaf9769c0785495b [INFO] running `Command { std: "docker" "start" "-a" "60db54d3553dfa6033559d9db402ec85e83032d565bb66efcaf9769c0785495b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "60db54d3553dfa6033559d9db402ec85e83032d565bb66efcaf9769c0785495b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60db54d3553dfa6033559d9db402ec85e83032d565bb66efcaf9769c0785495b", kill_on_drop: false }` [INFO] [stdout] 60db54d3553dfa6033559d9db402ec85e83032d565bb66efcaf9769c0785495b [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] f7fe56b2d4a2fcb5567b0fd03b91775cf2bd5eec28a6c52244ed48dde1f31de2 [INFO] running `Command { std: "docker" "start" "-a" "f7fe56b2d4a2fcb5567b0fd03b91775cf2bd5eec28a6c52244ed48dde1f31de2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking os_str_bytes v6.1.0 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking hashbrown v0.12.1 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking quick-error v2.0.1 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking proptest v1.0.0 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling clap_derive v3.2.7 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Checking tokio v1.19.2 [INFO] [stderr] Checking clap v3.2.8 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking schemes v0.0.1-BETA (/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/recursive.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 79 | a: A, [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 80 | coalg: F, [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 87 | / async move { [INFO] [stdout] 88 | | let mut frontier = VecDeque::from([a]); [INFO] [stdout] 89 | | let mut elems = vec![]; [INFO] [stdout] ... | [INFO] [stdout] 104 | | Ok(Self { elems }) [INFO] [stdout] 105 | | } [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/recursive.rs:104:16 [INFO] [stdout] | [INFO] [stdout] 79 | a: A, [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 80 | coalg: F, [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 88 | let mut frontier = VecDeque::from([a]); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 89 | let mut elems = vec![]; [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 104 | Ok(Self { elems }) [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/recursive.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 111 | fn fold A>(self, mut alg: F) -> A { [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] 112 | let mut results: HashMap = HashMap::with_capacity(self.elems.len()); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 123 | results.remove(&0).unwrap() [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/recursive.rs:117:42 [INFO] [stdout] | [INFO] [stdout] 117 | let node = node.fmap(|x| results.remove(&x).expect("node not in result map")); [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/recursive.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 131 | fn fold A>(self, mut alg: F) -> A { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 132 | let mut results: HashMap = HashMap::with_capacity(self.elems.len()); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 143 | results.remove(&0).unwrap() [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/recursive.rs:137:42 [INFO] [stdout] | [INFO] [stdout] 137 | let node = node.fmap(|x| results.remove(&x).expect("node not in result map")); [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 6 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `schemes` (lib) due to 7 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "f7fe56b2d4a2fcb5567b0fd03b91775cf2bd5eec28a6c52244ed48dde1f31de2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7fe56b2d4a2fcb5567b0fd03b91775cf2bd5eec28a6c52244ed48dde1f31de2", kill_on_drop: false }` [INFO] [stdout] f7fe56b2d4a2fcb5567b0fd03b91775cf2bd5eec28a6c52244ed48dde1f31de2