[INFO] fetching crate rl 0.4.0...
[INFO] testing rl-0.4.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rl 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rl 0.4.0
[INFO] removed 3 missing examples
[INFO] finished tweaking crates.io crate rl 0.4.0
[INFO] tweaked toml for crates.io crate rl 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rl 0.4.0 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 rl 0.4.0 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] 4c6ac457b1863ff13d1fb4d7506e3eaad125ce1bad697a9863efefdde1bb7038
[INFO] running `Command { std: "docker" "start" "-a" "4c6ac457b1863ff13d1fb4d7506e3eaad125ce1bad697a9863efefdde1bb7038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c6ac457b1863ff13d1fb4d7506e3eaad125ce1bad697a9863efefdde1bb7038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c6ac457b1863ff13d1fb4d7506e3eaad125ce1bad697a9863efefdde1bb7038", kill_on_drop: false }`
[INFO] [stdout] 4c6ac457b1863ff13d1fb4d7506e3eaad125ce1bad697a9863efefdde1bb7038
[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] 6e0dbf1cb9096952465d7e3068f3fe605d8b04b61162cfc74cd6380313836f9f
[INFO] running `Command { std: "docker" "start" "-a" "6e0dbf1cb9096952465d7e3068f3fe605d8b04b61162cfc74cd6380313836f9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling zerocopy v0.7.34
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling uuid v1.8.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling ash v0.37.3+1.3.251
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling khronos-egl v6.0.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling wgpu-hal v0.19.4
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling spirv v0.3.0+sdk-1.3.268.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.2
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling gpu-alloc-types v0.3.0
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling libloading v0.8.3
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling hexf-parse v0.2.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling gpu-alloc v0.6.0
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling wgpu-core v0.19.4
[INFO] [stderr]    Compiling wgpu-types v0.19.2
[INFO] [stderr]    Compiling raw-window-handle v0.6.2
[INFO] [stderr]    Compiling glow v0.13.1
[INFO] [stderr]    Compiling renderdoc-sys v1.1.0
[INFO] [stderr]    Compiling profiling v1.0.15
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling wgpu v0.19.4
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling bytemuck v1.16.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling pollster v0.3.0
[INFO] [stderr]    Compiling flate2 v1.0.30
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling derive-new v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling burn-derive v0.13.2
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling burn-common v0.13.2
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling bincode v2.0.0-rc.3
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling burn-tensor v0.13.2
[INFO] [stderr]    Compiling gpu-descriptor v0.2.4
[INFO] [stderr]    Compiling text_placeholder v0.5.0
[INFO] [stderr]    Compiling burn-compute v0.13.2
[INFO] [stderr]    Compiling naga v0.19.2
[INFO] [stderr]    Compiling burn-fusion v0.13.2
[INFO] [stderr]    Compiling burn-autodiff v0.13.2
[INFO] [stderr]    Compiling burn-jit v0.13.2
[INFO] [stderr]    Compiling burn-wgpu v0.13.2
[INFO] [stderr]    Compiling burn-core v0.13.2
[INFO] [stderr]    Compiling burn v0.13.2
[INFO] [stderr]    Compiling rl v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 08s
[INFO] running `Command { std: "docker" "inspect" "6e0dbf1cb9096952465d7e3068f3fe605d8b04b61162cfc74cd6380313836f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e0dbf1cb9096952465d7e3068f3fe605d8b04b61162cfc74cd6380313836f9f", kill_on_drop: false }`
[INFO] [stdout] 6e0dbf1cb9096952465d7e3068f3fe605d8b04b61162cfc74cd6380313836f9f
[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] 2f7f397ca05de99c906743747c974652d7041d499624988d1b2e6eeff51f3d76
[INFO] running `Command { std: "docker" "start" "-a" "2f7f397ca05de99c906743747c974652d7041d499624988d1b2e6eeff51f3d76", kill_on_drop: false }`
[INFO] [stderr]    Compiling rl v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `gym_rs` in this scope
[INFO] [stdout]  --> examples/dqn_cartpole/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use gym_rs::utils::renderer::RenderMode;
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `gym_rs`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `gym_rs`, use `cargo add gym_rs` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `rl::gym`, `rl::viz`
[INFO] [stdout]   --> examples/dqn_cartpole/main.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     gym::CartPole,
[INFO] [stdout]    |     ^^^ could not find `gym` in `rl`
[INFO] [stdout]  8 |     viz,
[INFO] [stdout]    |     ^^^ no `viz` in the root
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[cfg(feature = "gym")]
[INFO] [stdout]    |       --------------- the item is gated behind the `gym` feature
[INFO] [stdout] 28 | pub mod gym;
[INFO] [stdout]    |         ^^^
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg(feature = "viz")]
[INFO] [stdout]    |       --------------- the item is gated behind the `viz` feature
[INFO] [stdout] 24 | pub mod viz;
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `rl::gym`, `rl::viz`
[INFO] [stdout]   --> examples/q_table_frozen_lake/main.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout]  5 |     gym::FrozenLake,
[INFO] [stdout]    |     ^^^ could not find `gym` in `rl`
[INFO] [stdout]  6 |     viz,
[INFO] [stdout]    |     ^^^ no `viz` in the root
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[cfg(feature = "gym")]
[INFO] [stdout]    |       --------------- the item is gated behind the `gym` feature
[INFO] [stdout] 28 | pub mod gym;
[INFO] [stdout]    |         ^^^
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg(feature = "viz")]
[INFO] [stdout]    |       --------------- the item is gated behind the `viz` feature
[INFO] [stdout] 24 | pub mod viz;
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `rl::gym`, `rl::viz`
[INFO] [stdout]   --> examples/q_table_snake/main.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout]  3 |     gym::GrassyField,
[INFO] [stdout]    |     ^^^ could not find `gym` in `rl`
[INFO] [stdout]  4 |     viz,
[INFO] [stdout]    |     ^^^ no `viz` in the root
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[cfg(feature = "gym")]
[INFO] [stdout]    |       --------------- the item is gated behind the `gym` feature
[INFO] [stdout] 28 | pub mod gym;
[INFO] [stdout]    |         ^^^
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg(feature = "viz")]
[INFO] [stdout]    |       --------------- the item is gated behind the `viz` feature
[INFO] [stdout] 24 | pub mod viz;
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rl` (example "q_table_snake") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rl` (example "q_table_frozen_lake") due to 1 previous error
[INFO] [stdout] error[E0599]: the associated function or constant `new` exists for struct `DQNAgent<_, _, _, _>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> examples/dqn_cartpole/main.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut agent = DQNAgent::new(model, agent_config, &*DEVICE);
[INFO] [stdout]    |                               ^^^ associated function or constant cannot be called on `DQNAgent<_, _, _, _>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `Vec<_>: ToTensor<_, _, burn::tensor::Float>`
[INFO] [stdout]            `Vec<_>: ToTensor<_, 2, burn::tensor::Int>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rl` (example "dqn_cartpole") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "2f7f397ca05de99c906743747c974652d7041d499624988d1b2e6eeff51f3d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f7f397ca05de99c906743747c974652d7041d499624988d1b2e6eeff51f3d76", kill_on_drop: false }`
[INFO] [stdout] 2f7f397ca05de99c906743747c974652d7041d499624988d1b2e6eeff51f3d76
