[INFO] fetching crate huehue 0.4.1... [INFO] checking huehue-0.4.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate huehue 0.4.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate huehue 0.4.1 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 huehue 0.4.1 [INFO] finished tweaking crates.io crate huehue 0.4.1 [INFO] tweaked toml for crates.io crate huehue 0.4.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate huehue 0.4.1 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 311c8122f6c1c59aee8e17bf378304c8d960fd30f87d1ec9f227a782b4f8d64d [INFO] running `Command { std: "docker" "start" "-a" "311c8122f6c1c59aee8e17bf378304c8d960fd30f87d1ec9f227a782b4f8d64d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "311c8122f6c1c59aee8e17bf378304c8d960fd30f87d1ec9f227a782b4f8d64d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "311c8122f6c1c59aee8e17bf378304c8d960fd30f87d1ec9f227a782b4f8d64d", kill_on_drop: false }` [INFO] [stdout] 311c8122f6c1c59aee8e17bf378304c8d960fd30f87d1ec9f227a782b4f8d64d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 32cfd31f95ea49f899279ad2d5ae6d8ac40f84aa6c25c0807ccac95fe949eec3 [INFO] running `Command { std: "docker" "start" "-a" "32cfd31f95ea49f899279ad2d5ae6d8ac40f84aa6c25c0807ccac95fe949eec3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling libc v0.2.118 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking tracing-core v0.1.22 [INFO] [stderr] Compiling httparse v1.6.0 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling encoding_rs v0.8.30 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking ipnet v2.3.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking tracing v0.1.30 [INFO] [stderr] Checking assert_approx_eq v1.1.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking crossbeam-channel v0.5.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking nix v0.23.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling serde_repr v0.1.7 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking tokio v1.16.1 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking mdns-sd v0.2.2 [INFO] [stderr] Checking serde v1.0.136 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking h2 v0.3.11 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking serde_json v1.0.79 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking hyper v0.14.17 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.9 [INFO] [stderr] Checking huehue v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `std::option::Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/models/device_type.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 53 | let re = Regex::new(DEVICE_TYPE_REGEX).unwrap(); [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 54 | match re.captures(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] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `std::option::Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/models/device_type.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 53 | let re = Regex::new(DEVICE_TYPE_REGEX).unwrap(); [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 54 | match re.captures(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] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/discover.rs:38:51 [INFO] [stdout] | [INFO] [stdout] 38 | ... info.get_addresses().iter().for_each(|ip| drop(ips.insert(ip.to_std()))) [INFO] [stdout] | ^^^^^-----------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `bool` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/discover.rs:38:51 [INFO] [stdout] | [INFO] [stdout] 38 | ... info.get_addresses().iter().for_each(|ip| drop(ips.insert(ip.to_std()))) [INFO] [stdout] | ^^^^^-----------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `bool` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `huehue` (lib test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `huehue` (lib) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "32cfd31f95ea49f899279ad2d5ae6d8ac40f84aa6c25c0807ccac95fe949eec3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32cfd31f95ea49f899279ad2d5ae6d8ac40f84aa6c25c0807ccac95fe949eec3", kill_on_drop: false }` [INFO] [stdout] 32cfd31f95ea49f899279ad2d5ae6d8ac40f84aa6c25c0807ccac95fe949eec3