[INFO] fetching crate ls_solver 0.1.0...
[INFO] testing ls_solver-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ls_solver 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate ls_solver 0.1.0
[INFO] finished tweaking crates.io crate ls_solver 0.1.0
[INFO] tweaked toml for crates.io crate ls_solver 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ls_solver 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ls_solver 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c341d5e103a6c007e882615f027c0d923bed73cf0c9d37fa70443b2fae573a6
[INFO] running `Command { std: "docker" "start" "-a" "5c341d5e103a6c007e882615f027c0d923bed73cf0c9d37fa70443b2fae573a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c341d5e103a6c007e882615f027c0d923bed73cf0c9d37fa70443b2fae573a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c341d5e103a6c007e882615f027c0d923bed73cf0c9d37fa70443b2fae573a6", kill_on_drop: false }`
[INFO] [stdout] 5c341d5e103a6c007e882615f027c0d923bed73cf0c9d37fa70443b2fae573a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 500e791392621370427d6f0892d1c20350f6ddf086802215c134668ca769e2c0
[INFO] running `Command { std: "docker" "start" "-a" "500e791392621370427d6f0892d1c20350f6ddf086802215c134668ca769e2c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling rustix v0.37.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling linux-raw-sys v0.3.6
[INFO] [stderr]    Compiling anstyle-parse v0.2.0
[INFO] [stderr]    Compiling safe_arch v0.6.0
[INFO] [stderr]    Compiling anstyle v1.0.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.3
[INFO] [stderr]    Compiling clap_lex v0.4.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling wide v0.7.8
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling simba v0.8.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling is-terminal v0.4.7
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling anstream v0.3.1
[INFO] [stderr]    Compiling clap_builder v4.2.5
[INFO] [stderr]    Compiling nalgebra-macros v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling clap_derive v4.2.0
[INFO] [stderr]    Compiling pest v2.6.0
[INFO] [stderr]    Compiling pest_meta v2.6.0
[INFO] [stderr]    Compiling clap v4.2.5
[INFO] [stderr]    Compiling pest_generator v2.6.0
[INFO] [stderr]    Compiling pest_derive v2.6.0
[INFO] [stderr]    Compiling nalgebra v0.32.2
[INFO] [stderr]    Compiling nalgebra-sparse v0.9.0
[INFO] [stderr]    Compiling ls_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.76s
[INFO] running `Command { std: "docker" "inspect" "500e791392621370427d6f0892d1c20350f6ddf086802215c134668ca769e2c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500e791392621370427d6f0892d1c20350f6ddf086802215c134668ca769e2c0", kill_on_drop: false }`
[INFO] [stdout] 500e791392621370427d6f0892d1c20350f6ddf086802215c134668ca769e2c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5ec31dc27426cc01907a047f7df89682434d985656bafddaa68eec83d14cd01
[INFO] running `Command { std: "docker" "start" "-a" "f5ec31dc27426cc01907a047f7df89682434d985656bafddaa68eec83d14cd01", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling ciborium-io v0.2.0
[INFO] [stderr]    Compiling os_str_bytes v6.5.0
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling ciborium-ll v0.2.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling plotters v0.3.4
[INFO] [stderr]    Compiling simba v0.8.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling ciborium v0.2.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling nalgebra v0.32.2
[INFO] [stderr]    Compiling nalgebra-sparse v0.9.0
[INFO] [stderr]    Compiling ls_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 30.44s
[INFO] running `Command { std: "docker" "inspect" "f5ec31dc27426cc01907a047f7df89682434d985656bafddaa68eec83d14cd01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5ec31dc27426cc01907a047f7df89682434d985656bafddaa68eec83d14cd01", kill_on_drop: false }`
[INFO] [stdout] f5ec31dc27426cc01907a047f7df89682434d985656bafddaa68eec83d14cd01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2853de7a1b93b92e8dc1f030481711f36d48d9b8c12a113522ddfaece9702e3
[INFO] running `Command { std: "docker" "start" "-a" "a2853de7a1b93b92e8dc1f030481711f36d48d9b8c12a113522ddfaece9702e3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ls_solver-75d146ccf2af409f)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ls_solver-4e38fb1c58345f85)
[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 ls_solver
[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" "a2853de7a1b93b92e8dc1f030481711f36d48d9b8c12a113522ddfaece9702e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2853de7a1b93b92e8dc1f030481711f36d48d9b8c12a113522ddfaece9702e3", kill_on_drop: false }`
[INFO] [stdout] a2853de7a1b93b92e8dc1f030481711f36d48d9b8c12a113522ddfaece9702e3