[INFO] fetching crate bitinfo 0.1.1... [INFO] checking bitinfo-0.1.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate bitinfo 0.1.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate bitinfo 0.1.1 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 bitinfo 0.1.1 [INFO] finished tweaking crates.io crate bitinfo 0.1.1 [INFO] tweaked toml for crates.io crate bitinfo 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate bitinfo 0.1.1 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] db2a7c417fbdc982adf7a014a4ab9536dba3f711e125eb9ea50cad8b15eae74f [INFO] running `Command { std: "docker" "start" "-a" "db2a7c417fbdc982adf7a014a4ab9536dba3f711e125eb9ea50cad8b15eae74f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db2a7c417fbdc982adf7a014a4ab9536dba3f711e125eb9ea50cad8b15eae74f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db2a7c417fbdc982adf7a014a4ab9536dba3f711e125eb9ea50cad8b15eae74f", kill_on_drop: false }` [INFO] [stdout] db2a7c417fbdc982adf7a014a4ab9536dba3f711e125eb9ea50cad8b15eae74f [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] 08957025f942ed44436be4cf8d23469f6f35b244f6117ddb3cef9875ccce523c [INFO] running `Command { std: "docker" "start" "-a" "08957025f942ed44436be4cf8d23469f6f35b244f6117ddb3cef9875ccce523c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling syn v1.0.33 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking dtoa v0.4.6 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Checking radium v0.3.0 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking encode_unicode v0.3.6 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking bitvec v0.17.4 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking parse_int v0.4.0 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking serde_yaml v0.8.13 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking prettytable-rs v0.8.0 [INFO] [stderr] Checking bitinfo v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `width` is never read [INFO] [stdout] --> src/main.rs:130:4 [INFO] [stdout] | [INFO] [stdout] 123 | struct InflatedRegisterMask { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 130 | width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `InflatedRegisterMask` 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/main.rs:171:12 [INFO] [stdout] | [INFO] [stdout] 147 | let mut mask = bitvec![Local;]; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 171 | Some(InflatedRegisterMask { [INFO] [stdout] | ____________^ [INFO] [stdout] 172 | | name: name.to_string(), [INFO] [stdout] 173 | | description: rm.description.clone(), [INFO] [stdout] 174 | | print_format: print_pref, [INFO] [stdout] ... | [INFO] [stdout] 178 | | patterns: pattern_map, [INFO] [stdout] 179 | | }) [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: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/main.rs:319:35 [INFO] [stdout] | [INFO] [stdout] 319 | let name = keys.last().unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [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 `bitinfo` (bin "bitinfo") due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `width` is never read [INFO] [stdout] --> src/main.rs:130:4 [INFO] [stdout] | [INFO] [stdout] 123 | struct InflatedRegisterMask { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 130 | width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `InflatedRegisterMask` 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/main.rs:171:12 [INFO] [stdout] | [INFO] [stdout] 147 | let mut mask = bitvec![Local;]; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 171 | Some(InflatedRegisterMask { [INFO] [stdout] | ____________^ [INFO] [stdout] 172 | | name: name.to_string(), [INFO] [stdout] 173 | | description: rm.description.clone(), [INFO] [stdout] 174 | | print_format: print_pref, [INFO] [stdout] ... | [INFO] [stdout] 178 | | patterns: pattern_map, [INFO] [stdout] 179 | | }) [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: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/main.rs:319:35 [INFO] [stdout] | [INFO] [stdout] 319 | let name = keys.last().unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [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 `bitinfo` (bin "bitinfo" test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "08957025f942ed44436be4cf8d23469f6f35b244f6117ddb3cef9875ccce523c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08957025f942ed44436be4cf8d23469f6f35b244f6117ddb3cef9875ccce523c", kill_on_drop: false }` [INFO] [stdout] 08957025f942ed44436be4cf8d23469f6f35b244f6117ddb3cef9875ccce523c