[INFO] fetching crate lcov-diff 0.1.2...
[INFO] testing lcov-diff-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate lcov-diff 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate lcov-diff 0.1.2
[INFO] finished tweaking crates.io crate lcov-diff 0.1.2
[INFO] tweaked toml for crates.io crate lcov-diff 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lcov-diff 0.1.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bc84aab593e7aa82a973501b792498e670ee4c077c582ebddb452951a91ffd5
[INFO] running `Command { std: "docker" "start" "-a" "8bc84aab593e7aa82a973501b792498e670ee4c077c582ebddb452951a91ffd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bc84aab593e7aa82a973501b792498e670ee4c077c582ebddb452951a91ffd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc84aab593e7aa82a973501b792498e670ee4c077c582ebddb452951a91ffd5", kill_on_drop: false }`
[INFO] [stdout] 8bc84aab593e7aa82a973501b792498e670ee4c077c582ebddb452951a91ffd5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf539c7004eaada12ab5ec1e5884d195ab1d2cef9c8f324d1da297fd609e7af4
[INFO] running `Command { std: "docker" "start" "-a" "bf539c7004eaada12ab5ec1e5884d195ab1d2cef9c8f324d1da297fd609e7af4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling lcov v0.8.1
[INFO] [stderr]    Compiling lcov-diff v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.72s
[INFO] running `Command { std: "docker" "inspect" "bf539c7004eaada12ab5ec1e5884d195ab1d2cef9c8f324d1da297fd609e7af4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf539c7004eaada12ab5ec1e5884d195ab1d2cef9c8f324d1da297fd609e7af4", kill_on_drop: false }`
[INFO] [stdout] bf539c7004eaada12ab5ec1e5884d195ab1d2cef9c8f324d1da297fd609e7af4
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4de5e51cf2907c8e6bc9bca1c6fd91c7d5ec20de4dbc6ebc2f7188697ba3afcc
[INFO] running `Command { std: "docker" "start" "-a" "4de5e51cf2907c8e6bc9bca1c6fd91c7d5ec20de4dbc6ebc2f7188697ba3afcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling lcov-diff v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "4de5e51cf2907c8e6bc9bca1c6fd91c7d5ec20de4dbc6ebc2f7188697ba3afcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de5e51cf2907c8e6bc9bca1c6fd91c7d5ec20de4dbc6ebc2f7188697ba3afcc", kill_on_drop: false }`
[INFO] [stdout] 4de5e51cf2907c8e6bc9bca1c6fd91c7d5ec20de4dbc6ebc2f7188697ba3afcc
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e89d868dc980b4d8fb587a70e725332629086f13a59f8402d8c7b3599087d818
[INFO] running `Command { std: "docker" "start" "-a" "e89d868dc980b4d8fb587a70e725332629086f13a59f8402d8c7b3599087d818", 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/lcov_diff-86c4165358b12215)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::diff_report ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lcov_diff
[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" "e89d868dc980b4d8fb587a70e725332629086f13a59f8402d8c7b3599087d818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e89d868dc980b4d8fb587a70e725332629086f13a59f8402d8c7b3599087d818", kill_on_drop: false }`
[INFO] [stdout] e89d868dc980b4d8fb587a70e725332629086f13a59f8402d8c7b3599087d818