[INFO] fetching crate maver 0.1.0... [INFO] checking maver-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate maver 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate maver 0.1.0 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 maver 0.1.0 [INFO] finished tweaking crates.io crate maver 0.1.0 [INFO] tweaked toml for crates.io crate maver 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate maver 0.1.0 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bc85e4020e9d842228957565e85f770807abb1f78f45390766a265b3341b6eb4 [INFO] running `Command { std: "docker" "start" "-a" "bc85e4020e9d842228957565e85f770807abb1f78f45390766a265b3341b6eb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bc85e4020e9d842228957565e85f770807abb1f78f45390766a265b3341b6eb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc85e4020e9d842228957565e85f770807abb1f78f45390766a265b3341b6eb4", kill_on_drop: false }` [INFO] [stdout] bc85e4020e9d842228957565e85f770807abb1f78f45390766a265b3341b6eb4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cb1513a891369762bcbd9e0af3f663fdfd2d66fc12720e8548a3f04a13944766 [INFO] running `Command { std: "docker" "start" "-a" "cb1513a891369762bcbd9e0af3f663fdfd2d66fc12720e8548a3f04a13944766", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v1.0.1 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling getrandom v0.1.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.3 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling rayon-core v1.5.0 [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] Checking rand_distr v0.2.1 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking maver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `VecUtil` is never used [INFO] [stdout] --> src/lib.rs:403:7 [INFO] [stdout] | [INFO] [stdout] 403 | trait VecUtil { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [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/lib.rs:153:58 [INFO] [stdout] | [INFO] [stdout] 153 | #[derive(Copy,Clone,PartialEq,Eq,Debug,Serialize,Deserialize)] [INFO] [stdout] | ^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 176 | / activation_fn! { [INFO] [stdout] 177 | | Tanh { [INFO] [stdout] 178 | | output x => {x.tanh().abs()}, [INFO] [stdout] 179 | | der x => { [INFO] [stdout] ... | [INFO] [stdout] 212 | | } [INFO] [stdout] 213 | | } [INFO] [stdout] | |_- in this macro invocation [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] = note: this error originates in the macro `try` which comes from the expansion of the macro `activation_fn` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `maver` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: trait `VecUtil` is never used [INFO] [stdout] --> src/lib.rs:403:7 [INFO] [stdout] | [INFO] [stdout] 403 | trait VecUtil { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [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/lib.rs:153:58 [INFO] [stdout] | [INFO] [stdout] 153 | #[derive(Copy,Clone,PartialEq,Eq,Debug,Serialize,Deserialize)] [INFO] [stdout] | ^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 176 | / activation_fn! { [INFO] [stdout] 177 | | Tanh { [INFO] [stdout] 178 | | output x => {x.tanh().abs()}, [INFO] [stdout] 179 | | der x => { [INFO] [stdout] ... | [INFO] [stdout] 212 | | } [INFO] [stdout] 213 | | } [INFO] [stdout] | |_- in this macro invocation [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] = note: this error originates in the macro `try` which comes from the expansion of the macro `activation_fn` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `maver` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "cb1513a891369762bcbd9e0af3f663fdfd2d66fc12720e8548a3f04a13944766", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb1513a891369762bcbd9e0af3f663fdfd2d66fc12720e8548a3f04a13944766", kill_on_drop: false }` [INFO] [stdout] cb1513a891369762bcbd9e0af3f663fdfd2d66fc12720e8548a3f04a13944766