[INFO] fetching crate prevent 0.0.0...
[INFO] testing prevent-0.0.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate prevent 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate prevent 0.0.0
[INFO] finished tweaking crates.io crate prevent 0.0.0
[INFO] tweaked toml for crates.io crate prevent 0.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prevent 0.0.0 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 prevent 0.0.0 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] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing prevent-0.0.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate prevent 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate prevent 0.0.0
[INFO] finished tweaking crates.io crate prevent 0.0.0
[INFO] tweaked toml for crates.io crate prevent 0.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prevent 0.0.0 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 prevent 0.0.0 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] [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6efa2b37b80331b1e9e7a5ac1e2d31424ec895890a84bd981f277bdd57eecdf8
[INFO] running `Command { std: "docker" "start" "-a" "6efa2b37b80331b1e9e7a5ac1e2d31424ec895890a84bd981f277bdd57eecdf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6efa2b37b80331b1e9e7a5ac1e2d31424ec895890a84bd981f277bdd57eecdf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6efa2b37b80331b1e9e7a5ac1e2d31424ec895890a84bd981f277bdd57eecdf8", kill_on_drop: false }`
[INFO] [stdout] 6efa2b37b80331b1e9e7a5ac1e2d31424ec895890a84bd981f277bdd57eecdf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6fce8ef10cfee5d2304337444fb47c9c8e2e5245fa51a57232aca943abf11230
[INFO] running `Command { std: "docker" "start" "-a" "6fce8ef10cfee5d2304337444fb47c9c8e2e5245fa51a57232aca943abf11230", kill_on_drop: false }`
[INFO] [stderr]    Compiling prevent v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "6fce8ef10cfee5d2304337444fb47c9c8e2e5245fa51a57232aca943abf11230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fce8ef10cfee5d2304337444fb47c9c8e2e5245fa51a57232aca943abf11230", kill_on_drop: false }`
[INFO] [stdout] 6fce8ef10cfee5d2304337444fb47c9c8e2e5245fa51a57232aca943abf11230
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fcff57a085ee2bc192e73c27e77e1c6cffc725d61bdb4780b8e2cb258d29988d
[INFO] running `Command { std: "docker" "start" "-a" "fcff57a085ee2bc192e73c27e77e1c6cffc725d61bdb4780b8e2cb258d29988d", kill_on_drop: false }`
[INFO] [stderr]    Compiling prevent v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "fcff57a085ee2bc192e73c27e77e1c6cffc725d61bdb4780b8e2cb258d29988d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcff57a085ee2bc192e73c27e77e1c6cffc725d61bdb4780b8e2cb258d29988d", kill_on_drop: false }`
[INFO] [stdout] fcff57a085ee2bc192e73c27e77e1c6cffc725d61bdb4780b8e2cb258d29988d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fa3fd3ef4666f99fd705360461b44a0d54c1d0af521e374a2d50ec6a27a46ae2
[INFO] running `Command { std: "docker" "start" "-a" "fa3fd3ef4666f99fd705360461b44a0d54c1d0af521e374a2d50ec6a27a46ae2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/prevent-dc02e6a898b768cb)
[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" "fa3fd3ef4666f99fd705360461b44a0d54c1d0af521e374a2d50ec6a27a46ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa3fd3ef4666f99fd705360461b44a0d54c1d0af521e374a2d50ec6a27a46ae2", kill_on_drop: false }`
[INFO] [stdout] fa3fd3ef4666f99fd705360461b44a0d54c1d0af521e374a2d50ec6a27a46ae2
