[INFO] fetching crate pcf8591 0.1.1... [INFO] checking pcf8591-0.1.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate pcf8591 0.1.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate pcf8591 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 pcf8591 0.1.1 [INFO] finished tweaking crates.io crate pcf8591 0.1.1 [INFO] tweaked toml for crates.io crate pcf8591 0.1.1 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 54 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding bytes v0.4.12 (latest: v1.7.1) [INFO] [stderr] Adding cargo_metadata v0.14.2 (latest: v0.18.1) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding i2cdev v0.3.2 (latest: v0.6.1) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding nix v0.10.0 (latest: v0.29.0) [INFO] [stderr] Adding pulldown-cmark v0.9.6 (latest: v0.12.0) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 94e09c91e5535419633f9206a2d8e03db5f7fb9afd44f4d464667534e8f2eb00 [INFO] running `Command { std: "docker" "start" "-a" "94e09c91e5535419633f9206a2d8e03db5f7fb9afd44f4d464667534e8f2eb00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94e09c91e5535419633f9206a2d8e03db5f7fb9afd44f4d464667534e8f2eb00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94e09c91e5535419633f9206a2d8e03db5f7fb9afd44f4d464667534e8f2eb00", kill_on_drop: false }` [INFO] [stdout] 94e09c91e5535419633f9206a2d8e03db5f7fb9afd44f4d464667534e8f2eb00 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9a3d43550512ba3e1686fa78877015b18db2b2e01b1ae5cf893d0d13daefd26c [INFO] running `Command { std: "docker" "start" "-a" "9a3d43550512ba3e1686fa78877015b18db2b2e01b1ae5cf893d0d13daefd26c", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Compiling camino v1.1.9 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Compiling serde_json v1.0.127 [INFO] [stderr] Compiling bitflags v2.6.0 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling rustix v0.38.35 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling linux-raw-sys v0.4.14 [INFO] [stderr] Compiling pulldown-cmark v0.9.6 [INFO] [stderr] Compiling ryu v1.0.18 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling fastrand v2.1.1 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling bytecount v0.6.8 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling tempfile v3.12.0 [INFO] [stderr] Compiling cargo-platform v0.1.8 [INFO] [stderr] Compiling cargo_metadata v0.14.2 [INFO] [stderr] Compiling skeptic v0.13.7 [INFO] [stderr] Compiling i2cdev v0.3.2 [INFO] [stderr] Checking pcf8591 v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:88:25 [INFO] [stdout] | [INFO] [stdout] 88 | let _ = try!(self.i2c.smbus_write_byte(control_byte)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:89:25 [INFO] [stdout] | [INFO] [stdout] 89 | let _ = try!(self.i2c.smbus_read_byte()); // previous byte, unspecified [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:88:25 [INFO] [stdout] | [INFO] [stdout] 88 | let _ = try!(self.i2c.smbus_write_byte(control_byte)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:89:25 [INFO] [stdout] | [INFO] [stdout] 89 | let _ = try!(self.i2c.smbus_read_byte()); // previous byte, unspecified [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/lib.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn new>(path: P, address: u16, v_ref: f64) -> Result { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 65 | LinuxI2CDevice::new(path, address) [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 `pcf8591` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/lib.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn new>(path: P, address: u16, v_ref: f64) -> Result { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 65 | LinuxI2CDevice::new(path, address) [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 `pcf8591` (lib) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "9a3d43550512ba3e1686fa78877015b18db2b2e01b1ae5cf893d0d13daefd26c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a3d43550512ba3e1686fa78877015b18db2b2e01b1ae5cf893d0d13daefd26c", kill_on_drop: false }` [INFO] [stdout] 9a3d43550512ba3e1686fa78877015b18db2b2e01b1ae5cf893d0d13daefd26c