[INFO] fetching crate shrew-optim 0.1.0...
[INFO] testing shrew-optim-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate shrew-optim 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate shrew-optim 0.1.0
[INFO] finished tweaking crates.io crate shrew-optim 0.1.0
[INFO] tweaked toml for crates.io crate shrew-optim 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shrew-optim 0.1.0 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 shrew-optim 0.1.0 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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8d87e54307d0663459545fa5a8f7db9b61a4b1b9abb4186b9d06d2d294b819f
[INFO] running `Command { std: "docker" "start" "-a" "d8d87e54307d0663459545fa5a8f7db9b61a4b1b9abb4186b9d06d2d294b819f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8d87e54307d0663459545fa5a8f7db9b61a4b1b9abb4186b9d06d2d294b819f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8d87e54307d0663459545fa5a8f7db9b61a4b1b9abb4186b9d06d2d294b819f", kill_on_drop: false }`
[INFO] [stdout] d8d87e54307d0663459545fa5a8f7db9b61a4b1b9abb4186b9d06d2d294b819f
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d0f9601c4d24099dcaaf9ea0d9384a5ed22d440a001e7e8c5cc30d0f1cc75da
[INFO] running `Command { std: "docker" "start" "-a" "9d0f9601c4d24099dcaaf9ea0d9384a5ed22d440a001e7e8c5cc30d0f1cc75da", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.115
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.8.39
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling shrew-core v0.1.0
[INFO] [stderr]    Compiling shrew-optim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.46s
[INFO] running `Command { std: "docker" "inspect" "9d0f9601c4d24099dcaaf9ea0d9384a5ed22d440a001e7e8c5cc30d0f1cc75da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d0f9601c4d24099dcaaf9ea0d9384a5ed22d440a001e7e8c5cc30d0f1cc75da", kill_on_drop: false }`
[INFO] [stdout] 9d0f9601c4d24099dcaaf9ea0d9384a5ed22d440a001e7e8c5cc30d0f1cc75da
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87e1b4768c6a8987f0703f0a968c09e7c93366be1d6eaedadab8e87d241d2136
[INFO] running `Command { std: "docker" "start" "-a" "87e1b4768c6a8987f0703f0a968c09e7c93366be1d6eaedadab8e87d241d2136", kill_on_drop: false }`
[INFO] [stderr]    Compiling shrew-optim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "87e1b4768c6a8987f0703f0a968c09e7c93366be1d6eaedadab8e87d241d2136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87e1b4768c6a8987f0703f0a968c09e7c93366be1d6eaedadab8e87d241d2136", kill_on_drop: false }`
[INFO] [stdout] 87e1b4768c6a8987f0703f0a968c09e7c93366be1d6eaedadab8e87d241d2136
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13bdeb7776b5018292de5bfdee5ba75b9f4d6b5c6a8c996ba800c3b7a64638a9
[INFO] running `Command { std: "docker" "start" "-a" "13bdeb7776b5018292de5bfdee5ba75b9f4d6b5c6a8c996ba800c3b7a64638a9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shrew_optim-3ffa2d5d87615d9a)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests shrew_optim
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/clip.rs - clip::GradAccumulator (line 148) ... ignored
[INFO] [stdout] test src/clip.rs - clip::clip_grad_norm (line 37) ... ignored
[INFO] [stdout] test src/ema.rs - ema::EMA (line 34) ... ignored
[INFO] [stdout] test src/scheduler.rs - scheduler::ReduceLROnPlateau (line 345) ... ignored
[INFO] [stdout] test src/scheduler.rs - scheduler::StepLR (line 57) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 5 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "13bdeb7776b5018292de5bfdee5ba75b9f4d6b5c6a8c996ba800c3b7a64638a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13bdeb7776b5018292de5bfdee5ba75b9f4d6b5c6a8c996ba800c3b7a64638a9", kill_on_drop: false }`
[INFO] [stdout] 13bdeb7776b5018292de5bfdee5ba75b9f4d6b5c6a8c996ba800c3b7a64638a9
