[INFO] fetching crate cralgebra 0.2.1...
[INFO] fixing cralgebra-0.2.1 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate cralgebra 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate cralgebra 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cralgebra 0.2.1
[INFO] tweaked toml for crates.io crate cralgebra 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cralgebra 0.2.1 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cralgebra 0.2.1 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e661b1b6a70f73f44b660c12b1f9a20e3ce8426650644844955b4e86675883d4
[INFO] running `Command { std: "docker" "start" "e661b1b6a70f73f44b660c12b1f9a20e3ce8426650644844955b4e86675883d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e661b1b6a70f73f44b660c12b1f9a20e3ce8426650644844955b4e86675883d4" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e661b1b6a70f73f44b660c12b1f9a20e3ce8426650644844955b4e86675883d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e661b1b6a70f73f44b660c12b1f9a20e3ce8426650644844955b4e86675883d4" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking cralgebra v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `bigint_helper_methods`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(bigint_helper_methods)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `bigint_helper_methods`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(bigint_helper_methods)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `widening_mul`
[INFO] [stdout]   --> src/types/z2_8.rs:75:38
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let (low, high) = self.inner.widening_mul(rhs.inner);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #152016 <https://github.com/rust-lang/rust/issues/152016> for more information
[INFO] [stdout]    = help: add `#![feature(widening_mul)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/types/z2_8.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let (low, high) = self.inner.widening_mul(rhs.inner);
[INFO] [stdout]    |             ^^^^^^^^^^^   ---------------------------------- this expression has type `u16`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             expected `u16`, found `(_, _)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `u16`
[INFO] [stdout]              found tuple `(_, _)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `widening_mul`
[INFO] [stdout]   --> src/types/z2_8.rs:75:38
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let (low, high) = self.inner.widening_mul(rhs.inner);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #152016 <https://github.com/rust-lang/rust/issues/152016> for more information
[INFO] [stdout]    = help: add `#![feature(widening_mul)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/types/z2_8.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let (low, high) = self.inner.widening_mul(rhs.inner);
[INFO] [stdout]    |             ^^^^^^^^^^^   ---------------------------------- this expression has type `u16`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             expected `u16`, found `(_, _)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `u16`
[INFO] [stdout]              found tuple `(_, _)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `widening_mul`
[INFO] [stdout]   --> src/types/z2_16.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let (low, high) = self.inner.widening_mul(rhs.inner);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #152016 <https://github.com/rust-lang/rust/issues/152016> for more information
[INFO] [stdout]    = help: add `#![feature(widening_mul)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/types/z2_16.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let (low, high) = self.inner.widening_mul(rhs.inner);
[INFO] [stdout]    |             ^^^^^^^^^^^   ---------------------------------- this expression has type `u32`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             expected `u32`, found `(_, _)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `u32`
[INFO] [stdout]              found tuple `(_, _)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `widening_mul`
[INFO] [stdout]   --> src/types/z2_16.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let (low, high) = self.inner.widening_mul(rhs.inner);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #152016 <https://github.com/rust-lang/rust/issues/152016> for more information
[INFO] [stdout]    = help: add `#![feature(widening_mul)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/types/z2_16.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let (low, high) = self.inner.widening_mul(rhs.inner);
[INFO] [stdout]    |             ^^^^^^^^^^^   ---------------------------------- this expression has type `u32`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             expected `u32`, found `(_, _)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `u32`
[INFO] [stdout]              found tuple `(_, _)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `widening_mul`
[INFO] [stdout]   --> src/types/z2_32.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let (low, high) = self.inner.widening_mul(rhs.inner);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #152016 <https://github.com/rust-lang/rust/issues/152016> for more information
[INFO] [stdout]    = help: add `#![feature(widening_mul)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/types/z2_32.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let (low, high) = self.inner.widening_mul(rhs.inner);
[INFO] [stdout]    |             ^^^^^^^^^^^   ---------------------------------- this expression has type `u64`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             expected `u64`, found `(_, _)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `u64`
[INFO] [stdout]              found tuple `(_, _)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `widening_mul`
[INFO] [stdout]   --> src/types/z2_32.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let (low, high) = self.inner.widening_mul(rhs.inner);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #152016 <https://github.com/rust-lang/rust/issues/152016> for more information
[INFO] [stdout]    = help: add `#![feature(widening_mul)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/types/z2_32.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let (low, high) = self.inner.widening_mul(rhs.inner);
[INFO] [stdout]    |             ^^^^^^^^^^^   ---------------------------------- this expression has type `u64`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             expected `u64`, found `(_, _)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `u64`
[INFO] [stdout]              found tuple `(_, _)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `widening_mul`
[INFO] [stdout]   --> src/types/z2_64.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let (low, high) = self.inner.widening_mul(rhs.inner);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #152016 <https://github.com/rust-lang/rust/issues/152016> for more information
[INFO] [stdout]    = help: add `#![feature(widening_mul)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/types/z2_64.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let (low, high) = self.inner.widening_mul(rhs.inner);
[INFO] [stdout]    |             ^^^^^^^^^^^   ---------------------------------- this expression has type `u128`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             expected `u128`, found `(_, _)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `u128`
[INFO] [stdout]              found tuple `(_, _)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `widening_mul`
[INFO] [stdout]   --> src/types/z2_64.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let (low, high) = self.inner.widening_mul(rhs.inner);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #152016 <https://github.com/rust-lang/rust/issues/152016> for more information
[INFO] [stdout]    = help: add `#![feature(widening_mul)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/types/z2_64.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let (low, high) = self.inner.widening_mul(rhs.inner);
[INFO] [stdout]    |             ^^^^^^^^^^^   ---------------------------------- this expression has type `u128`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             expected `u128`, found `(_, _)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `u128`
[INFO] [stdout]              found tuple `(_, _)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `widening_mul` found for type `u128` in the current scope
[INFO] [stdout]   --> src/types/z2_128.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let (low, high) = self.inner.widening_mul(rhs.inner);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `wrapping_mul` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 69 -         let (low, high) = self.inner.widening_mul(rhs.inner);
[INFO] [stdout] 69 +         let (low, high) = self.inner.wrapping_mul(rhs.inner);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `widening_mul` found for type `u128` in the current scope
[INFO] [stdout]   --> src/types/z2_128.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let (low, high) = self.inner.widening_mul(rhs.inner);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `wrapping_mul` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 69 -         let (low, high) = self.inner.widening_mul(rhs.inner);
[INFO] [stdout] 69 +         let (low, high) = self.inner.wrapping_mul(rhs.inner);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `widening_mul`
[INFO] [stdout]    --> src/types/z2_64n.rs:149:51
[INFO] [stdout]     |
[INFO] [stdout] 149 |                     let (rl, rh) = self.chunks[m].widening_mul(rhs.chunks[n - m]);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #152016 <https://github.com/rust-lang/rust/issues/152016> for more information
[INFO] [stdout]     = help: add `#![feature(widening_mul)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/types/z2_64n.rs:149:25
[INFO] [stdout]     |
[INFO] [stdout] 149 |                     let (rl, rh) = self.chunks[m].widening_mul(rhs.chunks[n - m]);
[INFO] [stdout]     |                         ^^^^^^^^   ---------------------------------------------- this expression has type `u128`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         expected `u128`, found `(_, _)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type `u128`
[INFO] [stdout]               found tuple `(_, _)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `widening_mul`
[INFO] [stdout]    --> src/types/z2_64n.rs:149:51
[INFO] [stdout]     |
[INFO] [stdout] 149 |                     let (rl, rh) = self.chunks[m].widening_mul(rhs.chunks[n - m]);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #152016 <https://github.com/rust-lang/rust/issues/152016> for more information
[INFO] [stdout]     = help: add `#![feature(widening_mul)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/types/z2_64n.rs:149:25
[INFO] [stdout]     |
[INFO] [stdout] 149 |                     let (rl, rh) = self.chunks[m].widening_mul(rhs.chunks[n - m]);
[INFO] [stdout]     |                         ^^^^^^^^   ---------------------------------------------- this expression has type `u128`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         expected `u128`, found `(_, _)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type `u128`
[INFO] [stdout]               found tuple `(_, _)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/types/montgomery_dyn.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let c = ctx.1;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/types/montgomery_dyn.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let c = ctx.1;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cralgebra` (lib) due to 12 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cralgebra` (lib test) due to 12 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e661b1b6a70f73f44b660c12b1f9a20e3ce8426650644844955b4e86675883d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e661b1b6a70f73f44b660c12b1f9a20e3ce8426650644844955b4e86675883d4", kill_on_drop: false }`
[INFO] [stdout] e661b1b6a70f73f44b660c12b1f9a20e3ce8426650644844955b4e86675883d4
