[INFO] fetching crate rust-constraint 0.1.0-alpha.1...
[INFO] testing rust-constraint-0.1.0-alpha.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rust-constraint 0.1.0-alpha.1 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-constraint 0.1.0-alpha.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d12359b445e1c0c0805478cb6d16927aff12e890052c839f0135aa2228fad63e
[INFO] running `Command { std: "docker" "start" "-a" "d12359b445e1c0c0805478cb6d16927aff12e890052c839f0135aa2228fad63e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d12359b445e1c0c0805478cb6d16927aff12e890052c839f0135aa2228fad63e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d12359b445e1c0c0805478cb6d16927aff12e890052c839f0135aa2228fad63e", kill_on_drop: false }`
[INFO] [stdout] d12359b445e1c0c0805478cb6d16927aff12e890052c839f0135aa2228fad63e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3ad08df5e44d36f2fa56f41a5de2224539c985b711d7dcd8b71af64259eb3c1b
[INFO] running `Command { std: "docker" "start" "-a" "3ad08df5e44d36f2fa56f41a5de2224539c985b711d7dcd8b71af64259eb3c1b", 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 0.23s
[INFO] running `Command { std: "docker" "inspect" "3ad08df5e44d36f2fa56f41a5de2224539c985b711d7dcd8b71af64259eb3c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad08df5e44d36f2fa56f41a5de2224539c985b711d7dcd8b71af64259eb3c1b", kill_on_drop: false }`
[INFO] [stdout] 3ad08df5e44d36f2fa56f41a5de2224539c985b711d7dcd8b71af64259eb3c1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f1ce62ce75472350728deef402e8b04a4062591a5ba29ba8e36d3c33ad52c422
[INFO] running `Command { std: "docker" "start" "-a" "f1ce62ce75472350728deef402e8b04a4062591a5ba29ba8e36d3c33ad52c422", 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 0.66s
[INFO] running `Command { std: "docker" "inspect" "f1ce62ce75472350728deef402e8b04a4062591a5ba29ba8e36d3c33ad52c422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1ce62ce75472350728deef402e8b04a4062591a5ba29ba8e36d3c33ad52c422", kill_on_drop: false }`
[INFO] [stdout] f1ce62ce75472350728deef402e8b04a4062591a5ba29ba8e36d3c33ad52c422
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 50bbae8c75967e60b2ca8b4f0f08d79d19b7fa406d3f94ab7fcf71005fcaf7df
[INFO] running `Command { std: "docker" "start" "-a" "50bbae8c75967e60b2ca8b4f0f08d79d19b7fa406d3f94ab7fcf71005fcaf7df", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_constraint-c94a7983d9e794a4)
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests rust_constraint
[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 0.04s
[INFO] [stdout] 
[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 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "50bbae8c75967e60b2ca8b4f0f08d79d19b7fa406d3f94ab7fcf71005fcaf7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50bbae8c75967e60b2ca8b4f0f08d79d19b7fa406d3f94ab7fcf71005fcaf7df", kill_on_drop: false }`
[INFO] [stdout] 50bbae8c75967e60b2ca8b4f0f08d79d19b7fa406d3f94ab7fcf71005fcaf7df
