[INFO] fetching crate stylometry 0.1.0...
[INFO] testing stylometry-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate stylometry 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate stylometry 0.1.0
[INFO] finished tweaking crates.io crate stylometry 0.1.0
[INFO] tweaked toml for crates.io crate stylometry 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stylometry 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 94 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding stop-words v0.2.2 (available: v0.10.0)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a6ae96b62f1c970fa81e737b27b9a8a24668790fca6bf45f49bea002745b8b79
[INFO] running `Command { std: "docker" "start" "-a" "a6ae96b62f1c970fa81e737b27b9a8a24668790fca6bf45f49bea002745b8b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6ae96b62f1c970fa81e737b27b9a8a24668790fca6bf45f49bea002745b8b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ae96b62f1c970fa81e737b27b9a8a24668790fca6bf45f49bea002745b8b79", kill_on_drop: false }`
[INFO] [stdout] a6ae96b62f1c970fa81e737b27b9a8a24668790fca6bf45f49bea002745b8b79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 50f1330a6a6a775a6e19e5cdeac6ae0b4e8be479c652e60d7d6dcab70d151f20
[INFO] running `Command { std: "docker" "start" "-a" "50f1330a6a6a775a6e19e5cdeac6ae0b4e8be479c652e60d7d6dcab70d151f20", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.33
[INFO] [stderr]    Compiling simd-adler32 v0.3.9
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cc v1.2.61
[INFO] [stderr]    Compiling jpeg-decoder v0.3.2
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling font-kit v0.14.3
[INFO] [stderr]    Compiling weezl v0.1.12
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling ttf-parser v0.20.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling dlib v0.5.3
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling stop-words v0.2.2
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v6.0.0
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling pathfinder_simd v0.5.6
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling plotters-bitmap v0.3.7
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling stylometry v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `counter` is never read
[INFO] [stdout]    --> src/lib.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 counter += 1;
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.67s
[INFO] running `Command { std: "docker" "inspect" "50f1330a6a6a775a6e19e5cdeac6ae0b4e8be479c652e60d7d6dcab70d151f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f1330a6a6a775a6e19e5cdeac6ae0b4e8be479c652e60d7d6dcab70d151f20", kill_on_drop: false }`
[INFO] [stdout] 50f1330a6a6a775a6e19e5cdeac6ae0b4e8be479c652e60d7d6dcab70d151f20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5da162abd6853767d7e57825039a5bf2ccea0ae4fd21b3a1294d7c8f97a778a6
[INFO] running `Command { std: "docker" "start" "-a" "5da162abd6853767d7e57825039a5bf2ccea0ae4fd21b3a1294d7c8f97a778a6", kill_on_drop: false }`
[INFO] [stdout] warning: value assigned to `counter` is never read
[INFO] [stdout]    --> src/lib.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 counter += 1;
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling stylometry v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `counter` is never read
[INFO] [stdout]    --> src/lib.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 counter += 1;
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "5da162abd6853767d7e57825039a5bf2ccea0ae4fd21b3a1294d7c8f97a778a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5da162abd6853767d7e57825039a5bf2ccea0ae4fd21b3a1294d7c8f97a778a6", kill_on_drop: false }`
[INFO] [stdout] 5da162abd6853767d7e57825039a5bf2ccea0ae4fd21b3a1294d7c8f97a778a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] dfc1a090c166b449d166bdf279ffa19a4c9053942667386175f0cf1ea983be2d
[INFO] running `Command { std: "docker" "start" "-a" "dfc1a090c166b449d166bdf279ffa19a4c9053942667386175f0cf1ea983be2d", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `counter` is never read
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:262:17
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 262 |                 counter += 1;
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `stylometry` (lib) generated 1 warning
[INFO] [stderr] warning: `stylometry` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stylometry-6df6a35f1eccc63f)
[INFO] [stderr]    Doc-tests stylometry
[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" "dfc1a090c166b449d166bdf279ffa19a4c9053942667386175f0cf1ea983be2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc1a090c166b449d166bdf279ffa19a4c9053942667386175f0cf1ea983be2d", kill_on_drop: false }`
[INFO] [stdout] dfc1a090c166b449d166bdf279ffa19a4c9053942667386175f0cf1ea983be2d
