[INFO] fetching crate prometheus-wire 0.1.0...
[INFO] testing prometheus-wire-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate prometheus-wire 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate prometheus-wire 0.1.0
[INFO] finished tweaking crates.io crate prometheus-wire 0.1.0
[INFO] tweaked toml for crates.io crate prometheus-wire 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prometheus-wire 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding memchr v2.3.4 (available: v2.7.6)
[INFO] [stderr]       Adding nom v6.2.2 (available: v8.0.0)
[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] dfe36c8937c9e7b95780e1885332991a8e9c71394b993e3c973b14ef0ec43b14
[INFO] running `Command { std: "docker" "start" "-a" "dfe36c8937c9e7b95780e1885332991a8e9c71394b993e3c973b14ef0ec43b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfe36c8937c9e7b95780e1885332991a8e9c71394b993e3c973b14ef0ec43b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe36c8937c9e7b95780e1885332991a8e9c71394b993e3c973b14ef0ec43b14", kill_on_drop: false }`
[INFO] [stdout] dfe36c8937c9e7b95780e1885332991a8e9c71394b993e3c973b14ef0ec43b14
[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] f417111dc899026cb4fed96e6ca59dd3987dccee419856df7818d2f88ea77e5f
[INFO] running `Command { std: "docker" "start" "-a" "f417111dc899026cb4fed96e6ca59dd3987dccee419856df7818d2f88ea77e5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus-wire v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "f417111dc899026cb4fed96e6ca59dd3987dccee419856df7818d2f88ea77e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f417111dc899026cb4fed96e6ca59dd3987dccee419856df7818d2f88ea77e5f", kill_on_drop: false }`
[INFO] [stdout] f417111dc899026cb4fed96e6ca59dd3987dccee419856df7818d2f88ea77e5f
[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] ac5ba6a0b12675de2d63ff737575e64c93b5ee2b290a067d3a356aacd4cf0ca5
[INFO] running `Command { std: "docker" "start" "-a" "ac5ba6a0b12675de2d63ff737575e64c93b5ee2b290a067d3a356aacd4cf0ca5", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus-wire v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "ac5ba6a0b12675de2d63ff737575e64c93b5ee2b290a067d3a356aacd4cf0ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac5ba6a0b12675de2d63ff737575e64c93b5ee2b290a067d3a356aacd4cf0ca5", kill_on_drop: false }`
[INFO] [stdout] ac5ba6a0b12675de2d63ff737575e64c93b5ee2b290a067d3a356aacd4cf0ca5
[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] 28fae2eed9ca3622650c13a3faa466c205562ba97feea0dca7e2375f1dbcf8ec
[INFO] running `Command { std: "docker" "start" "-a" "28fae2eed9ca3622650c13a3faa466c205562ba97feea0dca7e2375f1dbcf8ec", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prometheus_wire-69134869166db936)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test parser::line_parser::tests::test_read_comment_line ... ok
[INFO] [stdout] test parser::line_parser::tests::test_read_label ... ok
[INFO] [stdout] test parser::line_parser::tests::test_read_metric_line ... ok
[INFO] [stdout] test parser::line_parser::tests::test_read_timestamp ... ok
[INFO] [stdout] test parser::line_parser::tests::test_read_value ... ok
[INFO] [stdout] test parser::line_parser::tests::test_read_quoted_string ... ok
[INFO] [stdout] test parser::label::tests::test_get_float ... ok
[INFO] [stdout] test parser::line_parser::tests::test_read_variable_name ... ok
[INFO] [stderr]    Doc-tests prometheus_wire
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/parser/line_parser.rs - parser::line_parser::try_read_comment (line 132) ... ok
[INFO] [stdout] test src/parser/line_parser.rs - parser::line_parser::try_read_sample (line 98) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28fae2eed9ca3622650c13a3faa466c205562ba97feea0dca7e2375f1dbcf8ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28fae2eed9ca3622650c13a3faa466c205562ba97feea0dca7e2375f1dbcf8ec", kill_on_drop: false }`
[INFO] [stdout] 28fae2eed9ca3622650c13a3faa466c205562ba97feea0dca7e2375f1dbcf8ec