[INFO] fetching crate vexus 4.0.0...
[INFO] testing vexus-4.0.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate vexus 4.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate vexus 4.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate vexus 4.0.0
[INFO] tweaked toml for crates.io crate vexus 4.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vexus 4.0.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vexus 4.0.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerocopy v0.8.17
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.17
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6da5108fb383df39487678675f2fc1efadc2bc189b7ef642b1ef896a7a9d7b0
[INFO] running `Command { std: "docker" "start" "-a" "a6da5108fb383df39487678675f2fc1efadc2bc189b7ef642b1ef896a7a9d7b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6da5108fb383df39487678675f2fc1efadc2bc189b7ef642b1ef896a7a9d7b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6da5108fb383df39487678675f2fc1efadc2bc189b7ef642b1ef896a7a9d7b0", kill_on_drop: false }`
[INFO] [stdout] a6da5108fb383df39487678675f2fc1efadc2bc189b7ef642b1ef896a7a9d7b0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5331c1928c8971e2a372b2b67ef54701a66c8a2d24b3cb265775eaeecb0857fd
[INFO] running `Command { std: "docker" "start" "-a" "5331c1928c8971e2a372b2b67ef54701a66c8a2d24b3cb265775eaeecb0857fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling zerocopy v0.8.17
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rand_core v0.9.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling simba v0.9.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling rand_distr v0.5.1
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling nalgebra v0.33.2
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling statrs v0.18.0
[INFO] [stderr]    Compiling vexus v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.65s
[INFO] running `Command { std: "docker" "inspect" "5331c1928c8971e2a372b2b67ef54701a66c8a2d24b3cb265775eaeecb0857fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5331c1928c8971e2a372b2b67ef54701a66c8a2d24b3cb265775eaeecb0857fd", kill_on_drop: false }`
[INFO] [stdout] 5331c1928c8971e2a372b2b67ef54701a66c8a2d24b3cb265775eaeecb0857fd
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce9c6fafd8c4721669201f79b34508dbb257bc966b281d34aaa3465472604cb4
[INFO] running `Command { std: "docker" "start" "-a" "ce9c6fafd8c4721669201f79b34508dbb257bc966b281d34aaa3465472604cb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling vexus v4.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Activation`
[INFO] [stdout]  --> examples/rps.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use vexus::{Activation, NeuralNetwork, Sigmoid};
[INFO] [stdout]   |             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MODEL_X_FILE` is never used
[INFO] [stdout]   --> examples/tic_tac_toe.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const MODEL_X_FILE: &str = "tictactoe_x_model.json";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MODEL_O_FILE` is never used
[INFO] [stdout]   --> examples/tic_tac_toe.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const MODEL_O_FILE: &str = "tictactoe_o_model.json";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `outputs`
[INFO] [stdout]    --> examples/rps.rs:132:21
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 let outputs = self.nn.forward(&inputs);
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outputs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `model_file` is never read
[INFO] [stdout]   --> examples/rps.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct MovePredictor {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 85 |     model_file: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "ce9c6fafd8c4721669201f79b34508dbb257bc966b281d34aaa3465472604cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce9c6fafd8c4721669201f79b34508dbb257bc966b281d34aaa3465472604cb4", kill_on_drop: false }`
[INFO] [stdout] ce9c6fafd8c4721669201f79b34508dbb257bc966b281d34aaa3465472604cb4
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 279ce02886484aaa0aa73dee9a242ea594ce2bb9d2b882ba18c7184d00aa09c4
[INFO] running `Command { std: "docker" "start" "-a" "279ce02886484aaa0aa73dee9a242ea594ce2bb9d2b882ba18c7184d00aa09c4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Activation`
[INFO] [stderr]  --> examples/rps.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 | use vexus::{Activation, NeuralNetwork, Sigmoid};
[INFO] [stderr]   |             ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `outputs`
[INFO] [stderr]    --> examples/rps.rs:132:21
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 let outputs = self.nn.forward(&inputs);
[INFO] [stderr]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outputs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `model_file` is never read
[INFO] [stderr]   --> examples/rps.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | struct MovePredictor {
[INFO] [stderr]    |        ------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 85 |     model_file: String,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `vexus` (example "rps") generated 3 warnings (run `cargo fix --example "rps" -p vexus` to apply 2 suggestions)
[INFO] [stderr] warning: constant `MODEL_X_FILE` is never used
[INFO] [stderr]   --> examples/tic_tac_toe.rs:18:7
[INFO] [stderr]    |
[INFO] [stderr] 18 | const MODEL_X_FILE: &str = "tictactoe_x_model.json";
[INFO] [stderr]    |       ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MODEL_O_FILE` is never used
[INFO] [stderr]   --> examples/tic_tac_toe.rs:19:7
[INFO] [stderr]    |
[INFO] [stderr] 19 | const MODEL_O_FILE: &str = "tictactoe_o_model.json";
[INFO] [stderr]    |       ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `vexus` (example "tic_tac_toe") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vexus-a592301aa34a9838)
[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 vexus
[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] running `Command { std: "docker" "inspect" "279ce02886484aaa0aa73dee9a242ea594ce2bb9d2b882ba18c7184d00aa09c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "279ce02886484aaa0aa73dee9a242ea594ce2bb9d2b882ba18c7184d00aa09c4", kill_on_drop: false }`
[INFO] [stdout] 279ce02886484aaa0aa73dee9a242ea594ce2bb9d2b882ba18c7184d00aa09c4