[INFO] fetching crate fstrings-proc-macro 0.2.4-rc2... [INFO] checking fstrings-proc-macro-0.2.4-rc2 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate fstrings-proc-macro 0.2.4-rc2 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate fstrings-proc-macro 0.2.4-rc2 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fstrings-proc-macro 0.2.4-rc2 [INFO] finished tweaking crates.io crate fstrings-proc-macro 0.2.4-rc2 [INFO] tweaked toml for crates.io crate fstrings-proc-macro 0.2.4-rc2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 6 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.76) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c561e64c0df3cc058dce74637f27ff8f7a59941c8e2ed9703669a3764f5ef633 [INFO] running `Command { std: "docker" "start" "-a" "c561e64c0df3cc058dce74637f27ff8f7a59941c8e2ed9703669a3764f5ef633", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c561e64c0df3cc058dce74637f27ff8f7a59941c8e2ed9703669a3764f5ef633", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c561e64c0df3cc058dce74637f27ff8f7a59941c8e2ed9703669a3764f5ef633", kill_on_drop: false }` [INFO] [stdout] c561e64c0df3cc058dce74637f27ff8f7a59941c8e2ed9703669a3764f5ef633 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 94566d8b584d785c1d03e8aa79750fd7d72d1ce625e937f1bc3321727a028c9f [INFO] running `Command { std: "docker" "start" "-a" "94566d8b584d785c1d03e8aa79750fd7d72d1ce625e937f1bc3321727a028c9f", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Checking fstrings-proc-macro v0.2.4-rc2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `ident` [INFO] [stdout] --> mod.rs:179:38 [INFO] [stdout] | [INFO] [stdout] 179 | | Segment::Self_(ident) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ident` [INFO] [stdout] --> mod.rs:179:38 [INFO] [stdout] | [INFO] [stdout] 179 | | Segment::Self_(ident) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> mod.rs:78:18 [INFO] [stdout] | [INFO] [stdout] 78 | debug_input!(&input); [INFO] [stdout] | ^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 78 | debug_input!(let _ = &input); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> mod.rs:78:18 [INFO] [stdout] | [INFO] [stdout] 78 | debug_input!(&input); [INFO] [stdout] | ^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 78 | debug_input!(let _ = &input); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.50s [INFO] running `Command { std: "docker" "inspect" "94566d8b584d785c1d03e8aa79750fd7d72d1ce625e937f1bc3321727a028c9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94566d8b584d785c1d03e8aa79750fd7d72d1ce625e937f1bc3321727a028c9f", kill_on_drop: false }` [INFO] [stdout] 94566d8b584d785c1d03e8aa79750fd7d72d1ce625e937f1bc3321727a028c9f [INFO] checking fstrings-proc-macro-0.2.4-rc2 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] extracting crate fstrings-proc-macro 0.2.4-rc2 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate fstrings-proc-macro 0.2.4-rc2 on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fstrings-proc-macro 0.2.4-rc2 [INFO] finished tweaking crates.io crate fstrings-proc-macro 0.2.4-rc2 [INFO] tweaked toml for crates.io crate fstrings-proc-macro 0.2.4-rc2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 6 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.76) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5555923eb7a85eddf89ccff437e7b81b8bfe9814128ba1a1169f4cadf398f8c1 [INFO] running `Command { std: "docker" "start" "-a" "5555923eb7a85eddf89ccff437e7b81b8bfe9814128ba1a1169f4cadf398f8c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5555923eb7a85eddf89ccff437e7b81b8bfe9814128ba1a1169f4cadf398f8c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5555923eb7a85eddf89ccff437e7b81b8bfe9814128ba1a1169f4cadf398f8c1", kill_on_drop: false }` [INFO] [stdout] 5555923eb7a85eddf89ccff437e7b81b8bfe9814128ba1a1169f4cadf398f8c1 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0f92c4587d589013a065cf0537c1943c881494de3339db95d6c5a8ffdf749710 [INFO] running `Command { std: "docker" "start" "-a" "0f92c4587d589013a065cf0537c1943c881494de3339db95d6c5a8ffdf749710", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking fstrings-proc-macro v0.2.4-rc2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `ident` [INFO] [stdout] --> mod.rs:179:38 [INFO] [stdout] | [INFO] [stdout] 179 | | Segment::Self_(ident) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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] --> mod.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 32 | let format_literal = input.parse()?; [INFO] [stdout] | -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 33 | let mut positional_args = vec![]; [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 51 | let named_args = [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 64 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 65 | | format_literal, [INFO] [stdout] 66 | | positional_args, [INFO] [stdout] 67 | | named_args, [INFO] [stdout] 68 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> mod.rs:54:28 [INFO] [stdout] | [INFO] [stdout] 54 | |input| Ok({ [INFO] [stdout] | ____________________________^ [INFO] [stdout] 55 | | let name: Ident = input.parse()?; [INFO] [stdout] 56 | | let _: Token![=] = input.parse()?; [INFO] [stdout] 57 | | let expr: Expr = input.parse()?; [INFO] [stdout] 58 | | (name, expr) [INFO] [stdout] 59 | | }), [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] warning: unused borrow that must be used [INFO] [stdout] --> mod.rs:78:18 [INFO] [stdout] | [INFO] [stdout] 78 | debug_input!(&input); [INFO] [stdout] | ^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 78 | debug_input!(let _ = &input); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ident` [INFO] [stdout] --> mod.rs:179:38 [INFO] [stdout] | [INFO] [stdout] 179 | | Segment::Self_(ident) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fstrings-proc-macro` (lib test) due to 3 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] --> mod.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 32 | let format_literal = input.parse()?; [INFO] [stdout] | -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 33 | let mut positional_args = vec![]; [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 51 | let named_args = [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 64 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 65 | | format_literal, [INFO] [stdout] 66 | | positional_args, [INFO] [stdout] 67 | | named_args, [INFO] [stdout] 68 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> mod.rs:54:28 [INFO] [stdout] | [INFO] [stdout] 54 | |input| Ok({ [INFO] [stdout] | ____________________________^ [INFO] [stdout] 55 | | let name: Ident = input.parse()?; [INFO] [stdout] 56 | | let _: Token![=] = input.parse()?; [INFO] [stdout] 57 | | let expr: Expr = input.parse()?; [INFO] [stdout] 58 | | (name, expr) [INFO] [stdout] 59 | | }), [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] warning: unused borrow that must be used [INFO] [stdout] --> mod.rs:78:18 [INFO] [stdout] | [INFO] [stdout] 78 | debug_input!(&input); [INFO] [stdout] | ^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 78 | debug_input!(let _ = &input); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fstrings-proc-macro` (lib) due to 3 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "0f92c4587d589013a065cf0537c1943c881494de3339db95d6c5a8ffdf749710", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f92c4587d589013a065cf0537c1943c881494de3339db95d6c5a8ffdf749710", kill_on_drop: false }` [INFO] [stdout] 0f92c4587d589013a065cf0537c1943c881494de3339db95d6c5a8ffdf749710