[INFO] fetching crate math-ast 0.2.0...
[INFO] testing math-ast-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate math-ast 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate math-ast 0.2.0
[INFO] finished tweaking crates.io crate math-ast 0.2.0
[INFO] tweaked toml for crates.io crate math-ast 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate math-ast 0.2.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding factorial v0.2.1 (available: v0.4.0)
[INFO] [stderr]       Adding num v0.3.1 (available: v0.4.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b3b071b43e1b76d59958391fa2ce6a87140576c4c17d106cbc3a9154126963b
[INFO] running `Command { std: "docker" "start" "-a" "5b3b071b43e1b76d59958391fa2ce6a87140576c4c17d106cbc3a9154126963b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b3b071b43e1b76d59958391fa2ce6a87140576c4c17d106cbc3a9154126963b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b3b071b43e1b76d59958391fa2ce6a87140576c4c17d106cbc3a9154126963b", kill_on_drop: false }`
[INFO] [stdout] 5b3b071b43e1b76d59958391fa2ce6a87140576c4c17d106cbc3a9154126963b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 425298957df9b25485c96e866b389b02b3e9d6be64f259a017fc7710fca35a9e
[INFO] running `Command { std: "docker" "start" "-a" "425298957df9b25485c96e866b389b02b3e9d6be64f259a017fc7710fca35a9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling factorial v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling math-ast v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.70.0; see <https://github.com/rust-lang/rust/pull/108471> for more information
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |         AST::Plus(box self, box rhs)
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 10 -         AST::Plus(box self, box rhs)
[INFO] [stdout] 10 +         AST::Plus(Box::new(self), box rhs)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |         AST::Plus(box self, box rhs)
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 10 -         AST::Plus(box self, box rhs)
[INFO] [stdout] 10 +         AST::Plus(box self, Box::new(rhs))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |         AST::Minus(box self, box rhs)
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 18 -         AST::Minus(box self, box rhs)
[INFO] [stdout] 18 +         AST::Minus(Box::new(self), box rhs)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 |         AST::Minus(box self, box rhs)
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 18 -         AST::Minus(box self, box rhs)
[INFO] [stdout] 18 +         AST::Minus(box self, Box::new(rhs))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |         AST::Times(box self, box rhs)
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 26 -         AST::Times(box self, box rhs)
[INFO] [stdout] 26 +         AST::Times(Box::new(self), box rhs)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 |         AST::Times(box self, box rhs)
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 26 -         AST::Times(box self, box rhs)
[INFO] [stdout] 26 +         AST::Times(box self, Box::new(rhs))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |         AST::Divide(box self, box rhs)
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 34 -         AST::Divide(box self, box rhs)
[INFO] [stdout] 34 +         AST::Divide(Box::new(self), box rhs)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 |         AST::Divide(box self, box rhs)
[INFO] [stdout]    |                               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 34 -         AST::Divide(box self, box rhs)
[INFO] [stdout] 34 +         AST::Divide(box self, Box::new(rhs))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |         AST::Power(box self, box rhs)
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 42 -         AST::Power(box self, box rhs)
[INFO] [stdout] 42 +         AST::Power(Box::new(self), box rhs)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/traits/numeric.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |         AST::Power(box self, box rhs)
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 42 -         AST::Power(box self, box rhs)
[INFO] [stdout] 42 +         AST::Power(box self, Box::new(rhs))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `math-ast` (lib) due to 11 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "425298957df9b25485c96e866b389b02b3e9d6be64f259a017fc7710fca35a9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "425298957df9b25485c96e866b389b02b3e9d6be64f259a017fc7710fca35a9e", kill_on_drop: false }`
[INFO] [stdout] 425298957df9b25485c96e866b389b02b3e9d6be64f259a017fc7710fca35a9e
