[INFO] fetching crate tagged_ptr 0.1.0...
[INFO] testing tagged_ptr-0.1.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate tagged_ptr 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate tagged_ptr 0.1.0
[INFO] finished tweaking crates.io crate tagged_ptr 0.1.0
[INFO] tweaked toml for crates.io crate tagged_ptr 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tagged_ptr 0.1.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9eca9968fdefbfe1c7dd06d81b0d652cff69bd0a3d852d16ac0b26f676b353e0
[INFO] running `Command { std: "docker" "start" "-a" "9eca9968fdefbfe1c7dd06d81b0d652cff69bd0a3d852d16ac0b26f676b353e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9eca9968fdefbfe1c7dd06d81b0d652cff69bd0a3d852d16ac0b26f676b353e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eca9968fdefbfe1c7dd06d81b0d652cff69bd0a3d852d16ac0b26f676b353e0", kill_on_drop: false }`
[INFO] [stdout] 9eca9968fdefbfe1c7dd06d81b0d652cff69bd0a3d852d16ac0b26f676b353e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 305200da61d8f4a38720205baa43749e36e1f039b150378e09a91b5a98ddf19a
[INFO] running `Command { std: "docker" "start" "-a" "305200da61d8f4a38720205baa43749e36e1f039b150378e09a91b5a98ddf19a", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling tagged_ptr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/packable3.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |     unsafe fn unpack(usize) -> Self;
[INFO] [stdout]    |                      ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `rc_raw` has been stable since 1.17.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(rc_raw)]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/packable3.rs:57:37
[INFO] [stdout]    |
[INFO] [stdout] 57 |     unsafe fn pack(&self) -> usize {std::mem::transmute::<f32, u32>(*self) as usize}
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 57 -     unsafe fn pack(&self) -> usize {std::mem::transmute::<f32, u32>(*self) as usize}
[INFO] [stdout] 57 +     unsafe fn pack(&self) -> usize {f32::to_bits(*self) as usize}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/packable3.rs:58:44
[INFO] [stdout]    |
[INFO] [stdout] 58 |     unsafe fn unpack(data: usize) -> Self {std::mem::transmute::<u32, f32>(data as u32)}
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 58 -     unsafe fn unpack(data: usize) -> Self {std::mem::transmute::<u32, f32>(data as u32)}
[INFO] [stdout] 58 +     unsafe fn unpack(data: usize) -> Self {f32::from_bits(data as u32)}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "305200da61d8f4a38720205baa43749e36e1f039b150378e09a91b5a98ddf19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305200da61d8f4a38720205baa43749e36e1f039b150378e09a91b5a98ddf19a", kill_on_drop: false }`
[INFO] [stdout] 305200da61d8f4a38720205baa43749e36e1f039b150378e09a91b5a98ddf19a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de8a1dd470e0b2bfbe96b7b772adb1653835efcc65d4fc1dfb7678fec2fc64a4
[INFO] running `Command { std: "docker" "start" "-a" "de8a1dd470e0b2bfbe96b7b772adb1653835efcc65d4fc1dfb7678fec2fc64a4", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/packable3.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |     unsafe fn unpack(usize) -> Self;
[INFO] [stdout]    |                      ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `rc_raw` has been stable since 1.17.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(rc_raw)]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/packable3.rs:57:37
[INFO] [stdout]    |
[INFO] [stdout] 57 |     unsafe fn pack(&self) -> usize {std::mem::transmute::<f32, u32>(*self) as usize}
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 57 -     unsafe fn pack(&self) -> usize {std::mem::transmute::<f32, u32>(*self) as usize}
[INFO] [stdout] 57 +     unsafe fn pack(&self) -> usize {f32::to_bits(*self) as usize}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tagged_ptr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/packable3.rs:58:44
[INFO] [stdout]    |
[INFO] [stdout] 58 |     unsafe fn unpack(data: usize) -> Self {std::mem::transmute::<u32, f32>(data as u32)}
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 58 -     unsafe fn unpack(data: usize) -> Self {std::mem::transmute::<u32, f32>(data as u32)}
[INFO] [stdout] 58 +     unsafe fn unpack(data: usize) -> Self {f32::from_bits(data as u32)}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/packable3.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |     unsafe fn unpack(usize) -> Self;
[INFO] [stdout]    |                      ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `rc_raw` has been stable since 1.17.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(rc_raw)]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/tagged_ptr.rs:217:32
[INFO] [stdout]     |
[INFO] [stdout] 217 |         let x: X = Unpacked::B(rc);
[INFO] [stdout]     |                    ----------- ^^ expected `Rc<u32>`, found `Box<Rc<{integer}>>`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    arguments to this enum variant are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Rc<u32>`
[INFO] [stdout]                found struct `Box<Rc<{integer}>>`
[INFO] [stdout] help: the type constructed contains `Box<Rc<{integer}>>` due to the type of the argument passed
[INFO] [stdout]    --> src/tagged_ptr.rs:217:20
[INFO] [stdout]     |
[INFO] [stdout] 217 |         let x: X = Unpacked::B(rc);
[INFO] [stdout]     |                    ^^^^^^^^^^^^--^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                this argument influences the type of `B`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]    --> src/tagged_ptr.rs:12:11
[INFO] [stdout]     |
[INFO] [stdout]  12 |     A(A), B(B), C(C), D(D),
[INFO] [stdout]     |           ^
[INFO] [stdout] help: consider unboxing the value
[INFO] [stdout]     |
[INFO] [stdout] 217 |         let x: X = Unpacked::B(*rc);
[INFO] [stdout]     |                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/tagged_ptr.rs:230:32
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let x: X = Unpacked::B(rc);
[INFO] [stdout]     |                    ----------- ^^ expected `Rc<u32>`, found `Box<Rc<{integer}>>`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    arguments to this enum variant are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Rc<u32>`
[INFO] [stdout]                found struct `Box<Rc<{integer}>>`
[INFO] [stdout] help: the type constructed contains `Box<Rc<{integer}>>` due to the type of the argument passed
[INFO] [stdout]    --> src/tagged_ptr.rs:230:20
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let x: X = Unpacked::B(rc);
[INFO] [stdout]     |                    ^^^^^^^^^^^^--^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                this argument influences the type of `B`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]    --> src/tagged_ptr.rs:12:11
[INFO] [stdout]     |
[INFO] [stdout]  12 |     A(A), B(B), C(C), D(D),
[INFO] [stdout]     |           ^
[INFO] [stdout] help: consider unboxing the value
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let x: X = Unpacked::B(*rc);
[INFO] [stdout]     |                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tagged_ptr` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "de8a1dd470e0b2bfbe96b7b772adb1653835efcc65d4fc1dfb7678fec2fc64a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de8a1dd470e0b2bfbe96b7b772adb1653835efcc65d4fc1dfb7678fec2fc64a4", kill_on_drop: false }`
[INFO] [stdout] de8a1dd470e0b2bfbe96b7b772adb1653835efcc65d4fc1dfb7678fec2fc64a4
