[INFO] fetching crate libmonitor 0.1.2... [INFO] checking libmonitor-0.1.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate libmonitor 0.1.2 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate libmonitor 0.1.2 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 libmonitor 0.1.2 [INFO] finished tweaking crates.io crate libmonitor 0.1.2 [INFO] tweaked toml for crates.io crate libmonitor 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate libmonitor 0.1.2 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cfd9c76df42855f5fd49004d9d7ac0451fb8420d240b757a0a8ada129e0e1b99 [INFO] running `Command { std: "docker" "start" "-a" "cfd9c76df42855f5fd49004d9d7ac0451fb8420d240b757a0a8ada129e0e1b99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cfd9c76df42855f5fd49004d9d7ac0451fb8420d240b757a0a8ada129e0e1b99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfd9c76df42855f5fd49004d9d7ac0451fb8420d240b757a0a8ada129e0e1b99", kill_on_drop: false }` [INFO] [stdout] cfd9c76df42855f5fd49004d9d7ac0451fb8420d240b757a0a8ada129e0e1b99 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bfe5113f26c7abcb2c654158677717ab6afeda92904165680c65fd1cf2647273 [INFO] running `Command { std: "docker" "start" "-a" "bfe5113f26c7abcb2c654158677717ab6afeda92904165680c65fd1cf2647273", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.154 [INFO] [stderr] Compiling proc-macro2 v1.0.82 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling anyhow v1.0.83 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling thiserror v1.0.60 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.63 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking udev v0.8.0 [INFO] [stderr] Checking i2cdev v0.6.0 [INFO] [stderr] Compiling thiserror-impl v1.0.60 [INFO] [stderr] Checking libmonitor v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ddc/linux.rs:268:43 [INFO] [stdout] | [INFO] [stdout] 267 | .filter_map(|i2c_device| { [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 268 | if let Some(drm_device) = find_parent_drm_device(&i2c_device) { [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: this value of type `Result<(&str, O), nom::Err>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/mccs/capabilities/parsers.rs:100:11 [INFO] [stdout] | [INFO] [stdout] 91 | fn map_str<'i, O, E2, F, G>(mut parser: F, f: G, i: &'i [u8]) -> IResult<&'i [u8], O> [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 98 | let mut f = map_res(rest, f); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 99 | let (i, s) = map_res(|i| parser.parse(i), |i| str::from_utf8(i.into()))(i)?; [INFO] [stdout] 100 | match f.parse(s) { [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 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `libmonitor` (lib test) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ddc/linux.rs:268:43 [INFO] [stdout] | [INFO] [stdout] 267 | .filter_map(|i2c_device| { [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 268 | if let Some(drm_device) = find_parent_drm_device(&i2c_device) { [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: this value of type `Result<(&str, O), nom::Err>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/mccs/capabilities/parsers.rs:100:11 [INFO] [stdout] | [INFO] [stdout] 91 | fn map_str<'i, O, E2, F, G>(mut parser: F, f: G, i: &'i [u8]) -> IResult<&'i [u8], O> [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 98 | let mut f = map_res(rest, f); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 99 | let (i, s) = map_res(|i| parser.parse(i), |i| str::from_utf8(i.into()))(i)?; [INFO] [stdout] 100 | match f.parse(s) { [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 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `libmonitor` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "bfe5113f26c7abcb2c654158677717ab6afeda92904165680c65fd1cf2647273", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfe5113f26c7abcb2c654158677717ab6afeda92904165680c65fd1cf2647273", kill_on_drop: false }` [INFO] [stdout] bfe5113f26c7abcb2c654158677717ab6afeda92904165680c65fd1cf2647273