[INFO] cloning repository https://github.com/casey/unisearch [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/casey/unisearch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Funisearch", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Funisearch'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 50f58b838149217f3515f056df24e30c980b0969 [INFO] checking casey/unisearch/50f58b838149217f3515f056df24e30c980b0969 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%2Fcasey%2Funisearch" "/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/casey/unisearch 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/casey/unisearch [INFO] finished tweaking git repo https://github.com/casey/unisearch [INFO] tweaked toml for git repo https://github.com/casey/unisearch written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/casey/unisearch 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] [stderr] Locking 1 package to latest compatible version [INFO] [stderr] Downgrading unisearch v0.1.0 (/workspace/builds/worker-7-tc2/source) -> v0.0.0 [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] cd08e7d08eb93a8fcf1b586055e3c31c266fe36a64e5c8d6ec2122e7ae1f3c8c [INFO] running `Command { std: "docker" "start" "-a" "cd08e7d08eb93a8fcf1b586055e3c31c266fe36a64e5c8d6ec2122e7ae1f3c8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd08e7d08eb93a8fcf1b586055e3c31c266fe36a64e5c8d6ec2122e7ae1f3c8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd08e7d08eb93a8fcf1b586055e3c31c266fe36a64e5c8d6ec2122e7ae1f3c8c", kill_on_drop: false }` [INFO] [stdout] cd08e7d08eb93a8fcf1b586055e3c31c266fe36a64e5c8d6ec2122e7ae1f3c8c [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] f5e3891cac1a65a4677cf0d959fa5261f0fc9763d8420c0764be0650ebfd87a3 [INFO] running `Command { std: "docker" "start" "-a" "f5e3891cac1a65a4677cf0d959fa5261f0fc9763d8420c0764be0650ebfd87a3", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling proc-macro2 v0.4.28 [INFO] [stderr] Compiling syn v0.15.32 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_jitter v0.1.3 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling structopt-derive v0.2.15 [INFO] [stderr] Checking structopt v0.2.15 [INFO] [stderr] Checking unisearch v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `io_error` is never read [INFO] [stdout] --> src/error.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | Io { io_error: io::Error }, [INFO] [stdout] | -- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line` is never read [INFO] [stdout] --> src/error.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | MissingSemicolon { line: String }, [INFO] [stdout] | ---------------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `text` and `parse_int_error` are never read [INFO] [stdout] --> src/error.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | Hex { [INFO] [stdout] | --- fields in this variant [INFO] [stdout] 11 | text: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 12 | parse_int_error: ParseIntError, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `number` is never read [INFO] [stdout] --> src/error.rs:15:15 [INFO] [stdout] | [INFO] [stdout] 15 | Codepoint { number: u32 }, [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line` is never read [INFO] [stdout] --> src/error.rs:17:21 [INFO] [stdout] | [INFO] [stdout] 17 | MissingWildcard { line: String }, [INFO] [stdout] | --------------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `io_error` is never read [INFO] [stdout] --> src/error.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | Io { io_error: io::Error }, [INFO] [stdout] | -- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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/names.rs:99:32 [INFO] [stdout] | [INFO] [stdout] 98 | pub fn search(&self, regex: Regex) -> impl Iterator { [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 99 | self.names.iter().flat_map(move |(character, name)| { [INFO] [stdout] | ________________________________^ [INFO] [stdout] 100 | | if regex.is_match(name) { [INFO] [stdout] 101 | | Some((*character, name.as_str())) [INFO] [stdout] 102 | | } else { [INFO] [stdout] 103 | | None [INFO] [stdout] 104 | | } [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: aborting due to 1 previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line` is never read [INFO] [stdout] --> src/error.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | MissingSemicolon { line: String }, [INFO] [stdout] | ---------------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `text` and `parse_int_error` are never read [INFO] [stdout] --> src/error.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | Hex { [INFO] [stdout] | --- fields in this variant [INFO] [stdout] 11 | text: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 12 | parse_int_error: ParseIntError, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `number` is never read [INFO] [stdout] --> src/error.rs:15:15 [INFO] [stdout] | [INFO] [stdout] 15 | Codepoint { number: u32 }, [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line` is never read [INFO] [stdout] --> src/error.rs:17:21 [INFO] [stdout] | [INFO] [stdout] 17 | MissingWildcard { line: String }, [INFO] [stdout] | --------------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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/names.rs:99:32 [INFO] [stdout] | [INFO] [stdout] 98 | pub fn search(&self, regex: Regex) -> impl Iterator { [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 99 | self.names.iter().flat_map(move |(character, name)| { [INFO] [stdout] | ________________________________^ [INFO] [stdout] 100 | | if regex.is_match(name) { [INFO] [stdout] 101 | | Some((*character, name.as_str())) [INFO] [stdout] 102 | | } else { [INFO] [stdout] 103 | | None [INFO] [stdout] 104 | | } [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: aborting due to 1 previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `unisearch` (bin "unisearch") due to 2 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `unisearch` (bin "unisearch" test) due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "f5e3891cac1a65a4677cf0d959fa5261f0fc9763d8420c0764be0650ebfd87a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5e3891cac1a65a4677cf0d959fa5261f0fc9763d8420c0764be0650ebfd87a3", kill_on_drop: false }` [INFO] [stdout] f5e3891cac1a65a4677cf0d959fa5261f0fc9763d8420c0764be0650ebfd87a3