[INFO] cloning repository https://github.com/CompPrakt21/first-follow-generator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CompPrakt21/first-follow-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCompPrakt21%2Ffirst-follow-generator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCompPrakt21%2Ffirst-follow-generator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d34b8fd388dd48c403405ad6b2b33a3b1c7a47d8 [INFO] checking CompPrakt21/first-follow-generator/d34b8fd388dd48c403405ad6b2b33a3b1c7a47d8 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%2FCompPrakt21%2Ffirst-follow-generator" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CompPrakt21/first-follow-generator 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/CompPrakt21/first-follow-generator [INFO] finished tweaking git repo https://github.com/CompPrakt21/first-follow-generator [INFO] tweaked toml for git repo https://github.com/CompPrakt21/first-follow-generator written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/CompPrakt21/first-follow-generator 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 300b5019c96f26ac7b5abb7f4b4969d5000c5bced30692dfc800edc9288f51a8 [INFO] running `Command { std: "docker" "start" "-a" "300b5019c96f26ac7b5abb7f4b4969d5000c5bced30692dfc800edc9288f51a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "300b5019c96f26ac7b5abb7f4b4969d5000c5bced30692dfc800edc9288f51a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "300b5019c96f26ac7b5abb7f4b4969d5000c5bced30692dfc800edc9288f51a8", kill_on_drop: false }` [INFO] [stdout] 300b5019c96f26ac7b5abb7f4b4969d5000c5bced30692dfc800edc9288f51a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4de12e59ae67f3458b19ce8ddeb0e8328b86aef3ce2a5523853f2b1755e8fdab [INFO] running `Command { std: "docker" "start" "-a" "4de12e59ae67f3458b19ce8ddeb0e8328b86aef3ce2a5523853f2b1755e8fdab", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.30 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.80 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling libc v0.2.104 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling anyhow v1.0.44 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling nom v7.0.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking minimal-lexical v0.1.4 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling derive_more v0.99.16 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking structopt v0.3.25 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking first-follow v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `ends_with_non_terms` is never used [INFO] [stdout] --> src/grammar/mod.rs:328:8 [INFO] [stdout] | [INFO] [stdout] 37 | impl Grammar { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 328 | fn ends_with_non_terms(&self, sym: &Symbol) -> HashSet { [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/grammar/mod.rs:151:52 [INFO] [stdout] | [INFO] [stdout] 151 | .map(|non_term| (non_term.to_string(), HashSet::new())) [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/grammar/mod.rs:241:9 [INFO] [stdout] | [INFO] [stdout] 221 | let mut res = HashMap::new(); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 241 | / res.into_iter() [INFO] [stdout] 242 | | .filter_map(|(sym, follow)| { [INFO] [stdout] 243 | | if let Symbol::NonTerminal(non_term) = sym { [INFO] [stdout] 244 | | Some((non_term, follow)) [INFO] [stdout] ... | [INFO] [stdout] 247 | | } [INFO] [stdout] 248 | | }) [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/grammar/parse.rs:66:17 [INFO] [stdout] | [INFO] [stdout] 64 | .flat_map(|sym| { [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 65 | fold_many0( [INFO] [stdout] 66 | alt((char('*'), char('?'))), [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/grammar/parse.rs:67:17 [INFO] [stdout] | [INFO] [stdout] 64 | .flat_map(|sym| { [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 67 | move || sym.clone(), [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 `first-follow` (bin "first-follow") due to 5 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: method `ends_with_non_terms` is never used [INFO] [stdout] --> src/grammar/mod.rs:328:8 [INFO] [stdout] | [INFO] [stdout] 37 | impl Grammar { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 328 | fn ends_with_non_terms(&self, sym: &Symbol) -> HashSet { [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/grammar/mod.rs:151:52 [INFO] [stdout] | [INFO] [stdout] 151 | .map(|non_term| (non_term.to_string(), HashSet::new())) [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/grammar/mod.rs:241:9 [INFO] [stdout] | [INFO] [stdout] 221 | let mut res = HashMap::new(); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 241 | / res.into_iter() [INFO] [stdout] 242 | | .filter_map(|(sym, follow)| { [INFO] [stdout] 243 | | if let Symbol::NonTerminal(non_term) = sym { [INFO] [stdout] 244 | | Some((non_term, follow)) [INFO] [stdout] ... | [INFO] [stdout] 247 | | } [INFO] [stdout] 248 | | }) [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/grammar/parse.rs:66:17 [INFO] [stdout] | [INFO] [stdout] 64 | .flat_map(|sym| { [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 65 | fold_many0( [INFO] [stdout] 66 | alt((char('*'), char('?'))), [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/grammar/parse.rs:67:17 [INFO] [stdout] | [INFO] [stdout] 64 | .flat_map(|sym| { [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 67 | move || sym.clone(), [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 `first-follow` (bin "first-follow" test) due to 5 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "4de12e59ae67f3458b19ce8ddeb0e8328b86aef3ce2a5523853f2b1755e8fdab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4de12e59ae67f3458b19ce8ddeb0e8328b86aef3ce2a5523853f2b1755e8fdab", kill_on_drop: false }` [INFO] [stdout] 4de12e59ae67f3458b19ce8ddeb0e8328b86aef3ce2a5523853f2b1755e8fdab