[INFO] fetching crate qjsonrs 0.1.0... [INFO] checking qjsonrs-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate qjsonrs 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate qjsonrs 0.1.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate qjsonrs 0.1.0 [INFO] finished tweaking crates.io crate qjsonrs 0.1.0 [INFO] tweaked toml for crates.io crate qjsonrs 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 51 packages to latest compatible versions [INFO] [stderr] Adding autocfg v0.1.8 (available: v1.3.0) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (available: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (available: v0.1.0) [INFO] [stderr] Adding hamcrest2 v0.2.6 (available: v0.3.0) [INFO] [stderr] Adding nix v0.15.0 (available: v0.29.0) [INFO] [stderr] Adding num v0.1.42 (available: v0.4.3) [INFO] [stderr] Adding num-bigint v0.1.44 (available: v0.4.6) [INFO] [stderr] Adding num-complex v0.1.43 (available: v0.4.6) [INFO] [stderr] Adding num-rational v0.1.42 (available: v0.4.2) [INFO] [stderr] Adding os_pipe v0.8.2 (available: v1.2.1) [INFO] [stderr] Adding rand v0.4.6 (available: v0.8.5) [INFO] [stderr] Adding rand v0.6.5 (available: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (available: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (available: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (available: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (available: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (available: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (available: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (available: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (available: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (available: v0.3.0) [INFO] [stderr] Adding rdrand v0.4.0 (available: v0.8.3) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b1d3f4d924813520ef125ffe6c66956e95e8261b3fde131accfd719fc188c3c [INFO] running `Command { std: "docker" "start" "-a" "0b1d3f4d924813520ef125ffe6c66956e95e8261b3fde131accfd719fc188c3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b1d3f4d924813520ef125ffe6c66956e95e8261b3fde131accfd719fc188c3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b1d3f4d924813520ef125ffe6c66956e95e8261b3fde131accfd719fc188c3c", kill_on_drop: false }` [INFO] [stdout] 0b1d3f4d924813520ef125ffe6c66956e95e8261b3fde131accfd719fc188c3c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47ed90e508e7ffcb36c12eb7bd2d25c71e6ca7220f22af2149db69dcce6714e9 [INFO] running `Command { std: "docker" "start" "-a" "47ed90e508e7ffcb36c12eb7bd2d25c71e6ca7220f22af2149db69dcce6714e9", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling nix v0.15.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking void v1.0.2 [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_core v0.3.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking qjsonrs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:318:29 [INFO] [stdout] | [INFO] [stdout] 318 | Some((_, '0'...'9')) => {}, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:330:26 [INFO] [stdout] | [INFO] [stdout] 330 | Some((_, '0' ... '9')) => {self.exp_digits()}, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:338:26 [INFO] [stdout] | [INFO] [stdout] 338 | Some((_, '0' ... '9')) => {self.exp_digits()}, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:347:29 [INFO] [stdout] | [INFO] [stdout] 347 | Some((_, '0'...'9')) => {}, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:366:26 [INFO] [stdout] | [INFO] [stdout] 366 | Some((_, '1' ... '9')) => self.int_digits(), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:375:25 [INFO] [stdout] | [INFO] [stdout] 375 | Some((_, '0'...'9')) => self.fraction_digits(), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:384:29 [INFO] [stdout] | [INFO] [stdout] 384 | Some((_, '0'...'9')) => {}, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:458:22 [INFO] [stdout] | [INFO] [stdout] 458 | Some('1' ... '9') => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `shm` is never read [INFO] [stdout] --> src/ring.rs:81:5 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct RingBuffer { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 81 | shm: Fd, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RingBuffer` 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: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking os_pipe v0.8.2 [INFO] [stderr] Checking hamcrest2 v0.2.6 [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:318:29 [INFO] [stdout] | [INFO] [stdout] 318 | Some((_, '0'...'9')) => {}, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:330:26 [INFO] [stdout] | [INFO] [stdout] 330 | Some((_, '0' ... '9')) => {self.exp_digits()}, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:338:26 [INFO] [stdout] | [INFO] [stdout] 338 | Some((_, '0' ... '9')) => {self.exp_digits()}, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:347:29 [INFO] [stdout] | [INFO] [stdout] 347 | Some((_, '0'...'9')) => {}, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:366:26 [INFO] [stdout] | [INFO] [stdout] 366 | Some((_, '1' ... '9')) => self.int_digits(), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:375:25 [INFO] [stdout] | [INFO] [stdout] 375 | Some((_, '0'...'9')) => self.fraction_digits(), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:384:29 [INFO] [stdout] | [INFO] [stdout] 384 | Some((_, '0'...'9')) => {}, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:458:22 [INFO] [stdout] | [INFO] [stdout] 458 | Some('1' ... '9') => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `std::result::Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:797:15 [INFO] [stdout] | [INFO] [stdout] 796 | let mut stream = JsonStream::from_read(input.as_bytes(), 256).unwrap(); [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 797 | match Value::from_str(input).map(normalize_value) { [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] warning: field `shm` is never read [INFO] [stdout] --> src/ring.rs:81:5 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct RingBuffer { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 81 | shm: Fd, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RingBuffer` 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: aborting due to 1 previous error; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `qjsonrs` (lib test) due to 2 previous errors; 9 warnings emitted [INFO] running `Command { std: "docker" "inspect" "47ed90e508e7ffcb36c12eb7bd2d25c71e6ca7220f22af2149db69dcce6714e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47ed90e508e7ffcb36c12eb7bd2d25c71e6ca7220f22af2149db69dcce6714e9", kill_on_drop: false }` [INFO] [stdout] 47ed90e508e7ffcb36c12eb7bd2d25c71e6ca7220f22af2149db69dcce6714e9