[INFO] fetching crate lxcrond 0.2.1... [INFO] checking lxcrond-0.2.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate lxcrond 0.2.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate lxcrond 0.2.1 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 lxcrond 0.2.1 [INFO] finished tweaking crates.io crate lxcrond 0.2.1 [INFO] tweaked toml for crates.io crate lxcrond 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate lxcrond 0.2.1 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] c668c9b857c8af995096ce946cd2233a618675908fa90c0f6aac5667f421cdcf [INFO] running `Command { std: "docker" "start" "-a" "c668c9b857c8af995096ce946cd2233a618675908fa90c0f6aac5667f421cdcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c668c9b857c8af995096ce946cd2233a618675908fa90c0f6aac5667f421cdcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c668c9b857c8af995096ce946cd2233a618675908fa90c0f6aac5667f421cdcf", kill_on_drop: false }` [INFO] [stdout] c668c9b857c8af995096ce946cd2233a618675908fa90c0f6aac5667f421cdcf [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] 12d6f7ec75924cc8be1a410db518e4780c8f4cfece9f4ededa3b4b5b4be43ebe [INFO] running `Command { std: "docker" "start" "-a" "12d6f7ec75924cc8be1a410db518e4780c8f4cfece9f4ededa3b4b5b4be43ebe", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Checking miniz_oxide v0.3.5 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking flate2 v1.0.13 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking antidote v1.0.0 [INFO] [stderr] Checking arc-swap v0.3.11 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking cmdline_words_parser v0.1.0 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking serde-value v0.5.3 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking serde_yaml v0.8.11 [INFO] [stderr] Checking log4rs v0.9.0 [INFO] [stderr] Checking lxcrond v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `TimeZone` and `Timelike` [INFO] [stdout] --> src/cron.rs:59:18 [INFO] [stdout] | [INFO] [stdout] 59 | use chrono::{Timelike, TimeZone}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `chrono::format::Fixed::TimezoneOffsetZ` [INFO] [stdout] --> src/cron.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | use chrono::format::Fixed::TimezoneOffsetZ; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/config.rs:138:13 [INFO] [stdout] | [INFO] [stdout] 138 | let mut file_spec = self.file_spec.as_mut().unwrap(); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/config.rs:138:13 [INFO] [stdout] | [INFO] [stdout] 138 | let mut file_spec = self.file_spec.as_mut().unwrap(); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `from` that must be used [INFO] [stdout] --> src/exec.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | String::from(""); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 28 | let _ = String::from(""); [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/exec.rs:77:26 [INFO] [stdout] | [INFO] [stdout] 66 | let child = command.spawn(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 77 | thread::spawn(|| child.unwrap().wait() ); [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lxcrond` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused return value of `from` that must be used [INFO] [stdout] --> src/exec.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | String::from(""); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 28 | let _ = String::from(""); [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/exec.rs:77:26 [INFO] [stdout] | [INFO] [stdout] 66 | let child = command.spawn(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 77 | thread::spawn(|| child.unwrap().wait() ); [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; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lxcrond` (lib test) due to 2 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "12d6f7ec75924cc8be1a410db518e4780c8f4cfece9f4ededa3b4b5b4be43ebe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12d6f7ec75924cc8be1a410db518e4780c8f4cfece9f4ededa3b4b5b4be43ebe", kill_on_drop: false }` [INFO] [stdout] 12d6f7ec75924cc8be1a410db518e4780c8f4cfece9f4ededa3b4b5b4be43ebe