[INFO] fetching crate rust-constraint 0.1.0-alpha.1...
[INFO] testing rust-constraint-0.1.0-alpha.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rust-constraint 0.1.0-alpha.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rust-constraint 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate rust-constraint 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate rust-constraint 0.1.0-alpha.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-constraint 0.1.0-alpha.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2bea57ef47cff2373258316ea8f04ff44ea300d9d935572f44ae8ae408cce6dd
[INFO] running `Command { std: "docker" "start" "-a" "2bea57ef47cff2373258316ea8f04ff44ea300d9d935572f44ae8ae408cce6dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bea57ef47cff2373258316ea8f04ff44ea300d9d935572f44ae8ae408cce6dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bea57ef47cff2373258316ea8f04ff44ea300d9d935572f44ae8ae408cce6dd", kill_on_drop: false }`
[INFO] [stdout] 2bea57ef47cff2373258316ea8f04ff44ea300d9d935572f44ae8ae408cce6dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d55e82f02ccdb8ac23b69dc0327bfb50619cc58657556e0e3b9b88265c8aa5f4
[INFO] running `Command { std: "docker" "start" "-a" "d55e82f02ccdb8ac23b69dc0327bfb50619cc58657556e0e3b9b88265c8aa5f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-constraint v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "d55e82f02ccdb8ac23b69dc0327bfb50619cc58657556e0e3b9b88265c8aa5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d55e82f02ccdb8ac23b69dc0327bfb50619cc58657556e0e3b9b88265c8aa5f4", kill_on_drop: false }`
[INFO] [stdout] d55e82f02ccdb8ac23b69dc0327bfb50619cc58657556e0e3b9b88265c8aa5f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 34715905ef29f6253fca91af09436a598c3b0d9fccefcdab0b926a5c542ac04f
[INFO] running `Command { std: "docker" "start" "-a" "34715905ef29f6253fca91af09436a598c3b0d9fccefcdab0b926a5c542ac04f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-constraint v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "34715905ef29f6253fca91af09436a598c3b0d9fccefcdab0b926a5c542ac04f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34715905ef29f6253fca91af09436a598c3b0d9fccefcdab0b926a5c542ac04f", kill_on_drop: false }`
[INFO] [stdout] 34715905ef29f6253fca91af09436a598c3b0d9fccefcdab0b926a5c542ac04f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7f038c69ab0497b1d040b3331f5c425554a40b6aa392a8894a8f81e4b8c514c5
[INFO] running `Command { std: "docker" "start" "-a" "7f038c69ab0497b1d040b3331f5c425554a40b6aa392a8894a8f81e4b8c514c5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_constraint-6454c3838c6afe7c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test examples::cs50_example ... ok
[INFO] [stdout] test examples::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_constraint
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f038c69ab0497b1d040b3331f5c425554a40b6aa392a8894a8f81e4b8c514c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f038c69ab0497b1d040b3331f5c425554a40b6aa392a8894a8f81e4b8c514c5", kill_on_drop: false }`
[INFO] [stdout] 7f038c69ab0497b1d040b3331f5c425554a40b6aa392a8894a8f81e4b8c514c5