[INFO] fetching crate placenew 3.0.0...
[INFO] testing placenew-3.0.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate placenew 3.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate placenew 3.0.0
[INFO] finished tweaking crates.io crate placenew 3.0.0
[INFO] tweaked toml for crates.io crate placenew 3.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate placenew 3.0.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate placenew 3.0.0 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" "+beta-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 672c9eec71560cd00d49d00ff507f8921f9b52630d8ec55f243727ae4fa99059
[INFO] running `Command { std: "docker" "start" "-a" "672c9eec71560cd00d49d00ff507f8921f9b52630d8ec55f243727ae4fa99059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "672c9eec71560cd00d49d00ff507f8921f9b52630d8ec55f243727ae4fa99059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "672c9eec71560cd00d49d00ff507f8921f9b52630d8ec55f243727ae4fa99059", kill_on_drop: false }`
[INFO] [stdout] 672c9eec71560cd00d49d00ff507f8921f9b52630d8ec55f243727ae4fa99059
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf11828d28963c00be021d01d1f6c4821c518c5dc7f1a73e3283745d0e157d6f
[INFO] running `Command { std: "docker" "start" "-a" "bf11828d28963c00be021d01d1f6c4821c518c5dc7f1a73e3283745d0e157d6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling placenew v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FieldValue` and `Member`
[INFO] [stdout]  --> src/lib.rs:6:36
[INFO] [stdout]   |
[INFO] [stdout] 6 | use syn::{parse_macro_input, Expr, FieldValue, Member, Type, TypePath};
[INFO] [stdout]   |                                    ^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::parse::Parser`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use syn::parse::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "bf11828d28963c00be021d01d1f6c4821c518c5dc7f1a73e3283745d0e157d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf11828d28963c00be021d01d1f6c4821c518c5dc7f1a73e3283745d0e157d6f", kill_on_drop: false }`
[INFO] [stdout] bf11828d28963c00be021d01d1f6c4821c518c5dc7f1a73e3283745d0e157d6f
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7e5b9bd487b38bfc3ce090fc169b67afc945d58218f9e6c67c9dcf248aa21de
[INFO] running `Command { std: "docker" "start" "-a" "b7e5b9bd487b38bfc3ce090fc169b67afc945d58218f9e6c67c9dcf248aa21de", kill_on_drop: false }`
[INFO] [stderr]    Compiling placenew v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FieldValue` and `Member`
[INFO] [stdout]  --> src/lib.rs:6:36
[INFO] [stdout]   |
[INFO] [stdout] 6 | use syn::{parse_macro_input, Expr, FieldValue, Member, Type, TypePath};
[INFO] [stdout]   |                                    ^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::parse::Parser`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use syn::parse::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FieldValue` and `Member`
[INFO] [stdout]  --> src/lib.rs:6:36
[INFO] [stdout]   |
[INFO] [stdout] 6 | use syn::{parse_macro_input, Expr, FieldValue, Member, Type, TypePath};
[INFO] [stdout]   |                                    ^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::parse::Parser`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use syn::parse::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "b7e5b9bd487b38bfc3ce090fc169b67afc945d58218f9e6c67c9dcf248aa21de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7e5b9bd487b38bfc3ce090fc169b67afc945d58218f9e6c67c9dcf248aa21de", kill_on_drop: false }`
[INFO] [stdout] b7e5b9bd487b38bfc3ce090fc169b67afc945d58218f9e6c67c9dcf248aa21de
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96c166e4e5b2d6e63371137e052534f35544be9e82eed330717e8f9452deaa49
[INFO] running `Command { std: "docker" "start" "-a" "96c166e4e5b2d6e63371137e052534f35544be9e82eed330717e8f9452deaa49", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `FieldValue` and `Member`
[INFO] [stderr]  --> src/lib.rs:6:36
[INFO] [stderr]   |
[INFO] [stderr] 6 | use syn::{parse_macro_input, Expr, FieldValue, Member, Type, TypePath};
[INFO] [stderr]   |                                    ^^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `syn::parse::Parser`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use syn::parse::Parser;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `placenew` (lib) generated 3 warnings (run `cargo fix --lib -p placenew` to apply 2 suggestions)
[INFO] [stderr] warning: `placenew` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/placenew-ec13fa8bfa7e1e12)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests placenew
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - place_boxed (line 125) ... FAILED
[INFO] [stdout] test src/lib.rs - place_into (line 254) ... FAILED
[INFO] [stdout] test src/lib.rs - place_into (line 241) ... FAILED
[INFO] [stdout] test src/lib.rs - place_boxed (line 144) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - place_boxed (line 125) stdout ----
[INFO] [stdout] error: expected item, found keyword `let`
[INFO] [stdout]    --> src/lib.rs:133:1
[INFO] [stdout]     |
[INFO] [stdout] 133 | let my_box = = place_boxed!(MyStruct{
[INFO] [stdout]     | ^^^
[INFO] [stdout]     | |
[INFO] [stdout]     | `let` cannot be used for global variables
[INFO] [stdout]     | help: consider using `static` or `const` instead of `let`
[INFO] [stdout]     |
[INFO] [stdout]     = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - place_into (line 254) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `alloc` in this scope
[INFO] [stdout]    --> src/lib.rs:255:35
[INFO] [stdout]     |
[INFO] [stdout] 255 | let my_slice_allocation = unsafe{ alloc(Layout::new::<[i32; 100_000]>()) as *mut [i32; 100_000] };
[INFO] [stdout]     |                                   ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 254 + use std::alloc::alloc;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Layout` in this scope
[INFO] [stdout]    --> src/lib.rs:255:41
[INFO] [stdout]     |
[INFO] [stdout] 255 | let my_slice_allocation = unsafe{ alloc(Layout::new::<[i32; 100_000]>()) as *mut [i32; 100_000] };
[INFO] [stdout]     |                                         ^^^^^^ use of undeclared type `Layout`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 254 + use std::alloc::Layout;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - place_into (line 241) stdout ----
[INFO] [stdout] error: cannot find macro `place_into` in this scope
[INFO] [stdout]    --> src/lib.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 | unsafe{ place_into!(my_slice_allocation, [10; 100_000]); }
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `alloc` in this scope
[INFO] [stdout]    --> src/lib.rs:242:35
[INFO] [stdout]     |
[INFO] [stdout] 242 | let my_slice_allocation = unsafe{ alloc(Layout::new::<[i32; 100_000]>()) as *mut [i32; 100_000] };
[INFO] [stdout]     |                                   ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 241 + use std::alloc::alloc;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Layout` in this scope
[INFO] [stdout]    --> src/lib.rs:242:41
[INFO] [stdout]     |
[INFO] [stdout] 242 | let my_slice_allocation = unsafe{ alloc(Layout::new::<[i32; 100_000]>()) as *mut [i32; 100_000] };
[INFO] [stdout]     |                                         ^^^^^^ use of undeclared type `Layout`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 241 + use std::alloc::Layout;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - place_boxed (line 144) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `MyStruct` in this scope
[INFO] [stdout]    --> src/lib.rs:146:41
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut res = std::boxed::Box::<MyStruct>::new_uninit();
[INFO] [stdout]     |                                         ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_144_0<MyStruct>() {
[INFO] [stdout]     |                                                                       ++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `MyStruct` in this scope
[INFO] [stdout]    --> src/lib.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 MyStruct {
[INFO] [stdout]     |                 ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - place_boxed (line 125)
[INFO] [stdout]     src/lib.rs - place_boxed (line 144)
[INFO] [stdout]     src/lib.rs - place_into (line 241)
[INFO] [stdout]     src/lib.rs - place_into (line 254)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "96c166e4e5b2d6e63371137e052534f35544be9e82eed330717e8f9452deaa49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c166e4e5b2d6e63371137e052534f35544be9e82eed330717e8f9452deaa49", kill_on_drop: false }`
[INFO] [stdout] 96c166e4e5b2d6e63371137e052534f35544be9e82eed330717e8f9452deaa49
