[INFO] fetching crate placeholder_closure 0.1.0...
[INFO] testing placeholder_closure-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate placeholder_closure 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate placeholder_closure 0.1.0
[INFO] finished tweaking crates.io crate placeholder_closure 0.1.0
[INFO] tweaked toml for crates.io crate placeholder_closure 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate placeholder_closure 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate placeholder_closure 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-2025-10-28" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c78a681cf1d9dc101994ff9cdf1f159212870e4310746e720e1b28e0a5631882
[INFO] running `Command { std: "docker" "start" "-a" "c78a681cf1d9dc101994ff9cdf1f159212870e4310746e720e1b28e0a5631882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c78a681cf1d9dc101994ff9cdf1f159212870e4310746e720e1b28e0a5631882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c78a681cf1d9dc101994ff9cdf1f159212870e4310746e720e1b28e0a5631882", kill_on_drop: false }`
[INFO] [stdout] c78a681cf1d9dc101994ff9cdf1f159212870e4310746e720e1b28e0a5631882
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d5eb9e0d2360386ce9944eb0e2f69450de4fa2c6831b7ea0f5c81d19a97e569
[INFO] running `Command { std: "docker" "start" "-a" "6d5eb9e0d2360386ce9944eb0e2f69450de4fa2c6831b7ea0f5c81d19a97e569", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling placeholder_closure v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.23s
[INFO] running `Command { std: "docker" "inspect" "6d5eb9e0d2360386ce9944eb0e2f69450de4fa2c6831b7ea0f5c81d19a97e569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d5eb9e0d2360386ce9944eb0e2f69450de4fa2c6831b7ea0f5c81d19a97e569", kill_on_drop: false }`
[INFO] [stdout] 6d5eb9e0d2360386ce9944eb0e2f69450de4fa2c6831b7ea0f5c81d19a97e569
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f41f6192f0c86ddf71a00695cd36d5059ad9f3bf35a00b37b8e8e10995927ca0
[INFO] running `Command { std: "docker" "start" "-a" "f41f6192f0c86ddf71a00695cd36d5059ad9f3bf35a00b37b8e8e10995927ca0", kill_on_drop: false }`
[INFO] [stderr]    Compiling placeholder_closure v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "f41f6192f0c86ddf71a00695cd36d5059ad9f3bf35a00b37b8e8e10995927ca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f41f6192f0c86ddf71a00695cd36d5059ad9f3bf35a00b37b8e8e10995927ca0", kill_on_drop: false }`
[INFO] [stdout] f41f6192f0c86ddf71a00695cd36d5059ad9f3bf35a00b37b8e8e10995927ca0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ebc319c4aef32b87a8e498e2f4a22f948fb0d6c16deb5d22c322ec03d230ab1a
[INFO] running `Command { std: "docker" "start" "-a" "ebc319c4aef32b87a8e498e2f4a22f948fb0d6c16deb5d22c322ec03d230ab1a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/placeholder_closure-7676e42a0caefaf4)
[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 placeholder_closure
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ebc319c4aef32b87a8e498e2f4a22f948fb0d6c16deb5d22c322ec03d230ab1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc319c4aef32b87a8e498e2f4a22f948fb0d6c16deb5d22c322ec03d230ab1a", kill_on_drop: false }`
[INFO] [stdout] ebc319c4aef32b87a8e498e2f4a22f948fb0d6c16deb5d22c322ec03d230ab1a