[INFO] fetching crate big_o 0.1.4...
[INFO] testing big_o-0.1.4 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate big_o 0.1.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate big_o 0.1.4
[INFO] finished tweaking crates.io crate big_o 0.1.4
[INFO] tweaked toml for crates.io crate big_o 0.1.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate big_o 0.1.4 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate big_o 0.1.4 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-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 376b32722b9c7e80b02e06e756f02f2c4b7f54a05454dde0f0302e6a3e439910
[INFO] running `Command { std: "docker" "start" "-a" "376b32722b9c7e80b02e06e756f02f2c4b7f54a05454dde0f0302e6a3e439910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "376b32722b9c7e80b02e06e756f02f2c4b7f54a05454dde0f0302e6a3e439910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "376b32722b9c7e80b02e06e756f02f2c4b7f54a05454dde0f0302e6a3e439910", kill_on_drop: false }`
[INFO] [stdout] 376b32722b9c7e80b02e06e756f02f2c4b7f54a05454dde0f0302e6a3e439910
[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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e941976620347cbc73904e1f758cdca3f075b8a8b4664ce7b4b7f91f421fd254
[INFO] running `Command { std: "docker" "start" "-a" "e941976620347cbc73904e1f758cdca3f075b8a8b4664ce7b4b7f91f421fd254", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling bytemuck v1.9.1
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling safe_arch v0.6.0
[INFO] [stderr]    Compiling wide v0.7.4
[INFO] [stderr]    Compiling num-complex v0.4.2
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling simba v0.7.1
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling nalgebra v0.31.0
[INFO] [stderr]    Compiling lstsq v0.4.0
[INFO] [stderr]    Compiling big_o v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.40s
[INFO] running `Command { std: "docker" "inspect" "e941976620347cbc73904e1f758cdca3f075b8a8b4664ce7b4b7f91f421fd254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e941976620347cbc73904e1f758cdca3f075b8a8b4664ce7b4b7f91f421fd254", kill_on_drop: false }`
[INFO] [stdout] e941976620347cbc73904e1f758cdca3f075b8a8b4664ce7b4b7f91f421fd254
[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-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf95c4e76fb8a8c358ff0b5708b7d7ce143672420b44b6c9d3bd50025876a2b6
[INFO] running `Command { std: "docker" "start" "-a" "cf95c4e76fb8a8c358ff0b5708b7d7ce143672420b44b6c9d3bd50025876a2b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling big_o v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "cf95c4e76fb8a8c358ff0b5708b7d7ce143672420b44b6c9d3bd50025876a2b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf95c4e76fb8a8c358ff0b5708b7d7ce143672420b44b6c9d3bd50025876a2b6", kill_on_drop: false }`
[INFO] [stdout] cf95c4e76fb8a8c358ff0b5708b7d7ce143672420b44b6c9d3bd50025876a2b6
[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-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e8165ec24fb9e57cbedcfa5bb03582b812cc18e11422d35a6e46dcba926b1b46
[INFO] running `Command { std: "docker" "start" "-a" "e8165ec24fb9e57cbedcfa5bb03582b812cc18e11422d35a6e46dcba926b1b46", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/big_o-c4dbe4facd0b5725)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test complexity::tests::test_complecity_rank ... ok
[INFO] [stdout] test linalg::tests::test_fit_line_2 ... ok
[INFO] [stdout] test linalg::tests::test_fit_line_1 ... ok
[INFO] [stdout] test name::tests::name_to_string ... ok
[INFO] [stdout] test name::tests::string_parse ... ok
[INFO] [stdout] test name::tests::name_into_string ... ok
[INFO] [stdout] test name::tests::string_try_from ... ok
[INFO] [stdout] test validate::tests::any_degraded_to_constant ... ok
[INFO] [stdout] test name::tests::string_try_into ... ok
[INFO] [stdout] test validate::tests::polynomial_degraded_to_constant ... ok
[INFO] [stdout] test validate::tests::polynomial_degraded_to_quadratic ... ok
[INFO] [stdout] test validate::tests::exponential_degraded_to_constant_base_1 ... ok
[INFO] [stdout] test validate::tests::polynomial_degraded_to_linear ... ok
[INFO] [stdout] test validate::tests::polynomial_degraded_to_cubic ... ok
[INFO] [stdout] test validate::tests::exponential_degraded_to_constant_base_0 ... ok
[INFO] [stdout] test name::tests::string_parse_fails - should panic ... ok
[INFO] [stdout] test name::tests::string_try_from_fails - should panic ... ok
[INFO] [stdout] test name::tests::string_try_into_fails - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/api.rs (/opt/rustwide/target/debug/deps/api-900dc6d747e2d1cb)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test infer_exponential ... ok
[INFO] [stdout] test infer_logarithmic ... ok
[INFO] [stdout] test infer_polynomial ... ok
[INFO] [stdout] test infer_constant ... ok
[INFO] [stdout] test infer_quadratic ... ok
[INFO] [stdout] test infer_cubic ... ok
[INFO] [stdout] test infer_linear ... ok
[INFO] [stderr]      Running tests/debug.rs (/opt/rustwide/target/debug/deps/debug-d7ad891b43ce6c0a)
[INFO] [stderr]      Running tests/execution_time.rs (/opt/rustwide/target/debug/deps/execution_time-c745a9dc04da508e)
[INFO] [stdout] test infer_each ... ok
[INFO] [stdout] test infer_linearithmic ... ok
[INFO] [stdout] test empty_input_failure - should panic ... ok
[INFO] [stdout] test zero_input_failure - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test infer_exponential_stress_1 ... ignored
[INFO] [stdout] test infer_exponential_stress_2 ... ignored
[INFO] [stdout] test infer_logarithmic_stress_1 ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test time_infer_complexity_constant ... ignored
[INFO] [stdout] test time_infer_complexity_exponential ... ok
[INFO] [stdout] test time_infer_complexity_logarithmic ... ok
[INFO] [stdout] test time_infer_complexity_linear ... ok
[INFO] [stdout] test time_infer_complexity_linearithmic ... ok
[INFO] [stdout] test time_infer_complexity_polynomial ... ok
[INFO] [stdout] test time_infer_complexity_cubic ... ok
[INFO] [stderr]      Running tests/regressions.rs (/opt/rustwide/target/debug/deps/regressions-7d37d1431dbce5a8)
[INFO] [stdout] test time_infer_complexity_quadratic ... ok
[INFO] [stderr]    Doc-tests big_o
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 10.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test regression_0001 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - infer_complexity (line 38) ... ok
[INFO] [stdout] test src/params.rs - params::Params (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/complexity.rs - complexity::complexity (line 178) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e8165ec24fb9e57cbedcfa5bb03582b812cc18e11422d35a6e46dcba926b1b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8165ec24fb9e57cbedcfa5bb03582b812cc18e11422d35a6e46dcba926b1b46", kill_on_drop: false }`
[INFO] [stdout] e8165ec24fb9e57cbedcfa5bb03582b812cc18e11422d35a6e46dcba926b1b46
