[INFO] fetching crate perfin 0.1.0...
[INFO] testing perfin-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate perfin 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate perfin 0.1.0
[INFO] finished tweaking crates.io crate perfin 0.1.0
[INFO] tweaked toml for crates.io crate perfin 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate perfin 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 perfin 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] 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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 507f84f529661ab905f39d8cb8bab8d673682029fbf7d205e230098e98f00d7e
[INFO] running `Command { std: "docker" "start" "-a" "507f84f529661ab905f39d8cb8bab8d673682029fbf7d205e230098e98f00d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "507f84f529661ab905f39d8cb8bab8d673682029fbf7d205e230098e98f00d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "507f84f529661ab905f39d8cb8bab8d673682029fbf7d205e230098e98f00d7e", kill_on_drop: false }`
[INFO] [stdout] 507f84f529661ab905f39d8cb8bab8d673682029fbf7d205e230098e98f00d7e
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 549dc3548bb643d580ca8012e3541427f9f8e370fd78e71454c0b1dbc3708edc
[INFO] running `Command { std: "docker" "start" "-a" "549dc3548bb643d580ca8012e3541427f9f8e370fd78e71454c0b1dbc3708edc", kill_on_drop: false }`
[INFO] [stderr]    Compiling perfin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "549dc3548bb643d580ca8012e3541427f9f8e370fd78e71454c0b1dbc3708edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "549dc3548bb643d580ca8012e3541427f9f8e370fd78e71454c0b1dbc3708edc", kill_on_drop: false }`
[INFO] [stdout] 549dc3548bb643d580ca8012e3541427f9f8e370fd78e71454c0b1dbc3708edc
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4afb4a4ed5c04a34210651a5bea6e452dc5b3f16bbc392c48cc48dd9b8aa1835
[INFO] running `Command { std: "docker" "start" "-a" "4afb4a4ed5c04a34210651a5bea6e452dc5b3f16bbc392c48cc48dd9b8aa1835", kill_on_drop: false }`
[INFO] [stderr]    Compiling perfin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "4afb4a4ed5c04a34210651a5bea6e452dc5b3f16bbc392c48cc48dd9b8aa1835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4afb4a4ed5c04a34210651a5bea6e452dc5b3f16bbc392c48cc48dd9b8aa1835", kill_on_drop: false }`
[INFO] [stdout] 4afb4a4ed5c04a34210651a5bea6e452dc5b3f16bbc392c48cc48dd9b8aa1835
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e1b4cff48cf111f51d88a0c49f23dab620e4c6738fc10011e97e24b4e7ca2d92
[INFO] running `Command { std: "docker" "start" "-a" "e1b4cff48cf111f51d88a0c49f23dab620e4c6738fc10011e97e24b4e7ca2d92", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/perfin-2332a251e5483291)
[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" "e1b4cff48cf111f51d88a0c49f23dab620e4c6738fc10011e97e24b4e7ca2d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b4cff48cf111f51d88a0c49f23dab620e4c6738fc10011e97e24b4e7ca2d92", kill_on_drop: false }`
[INFO] [stdout] e1b4cff48cf111f51d88a0c49f23dab620e4c6738fc10011e97e24b4e7ca2d92