[INFO] fetching crate stylometry 0.1.0...
[INFO] testing stylometry-0.1.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate stylometry 0.1.0 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stylometry 0.1.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 100 packages to highest compatible versions
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.15.0)
[INFO] [stderr]       Adding stop-words v0.2.2 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8100afe947f8cd108e555bb0a1de7d7bb89ef36d65713dd1252bfef6dc07adbd
[INFO] running `Command { std: "docker" "start" "8100afe947f8cd108e555bb0a1de7d7bb89ef36d65713dd1252bfef6dc07adbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8100afe947f8cd108e555bb0a1de7d7bb89ef36d65713dd1252bfef6dc07adbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8100afe947f8cd108e555bb0a1de7d7bb89ef36d65713dd1252bfef6dc07adbd" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8100afe947f8cd108e555bb0a1de7d7bb89ef36d65713dd1252bfef6dc07adbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8100afe947f8cd108e555bb0a1de7d7bb89ef36d65713dd1252bfef6dc07adbd" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.14
[INFO] [stderr]    Compiling crc32fast v1.5.2
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v6.0.1
[INFO] [stderr]    Compiling pathfinder_simd v0.5.6
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling jpeg-decoder v0.3.2
[INFO] [stderr]    Compiling bytemuck v1.25.2
[INFO] [stderr]    Compiling cc v1.6.0
[INFO] [stderr]    Compiling dlib v0.5.3
[INFO] [stderr]    Compiling font-kit v0.14.3
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling flate2 v1.1.10
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling chrono v0.4.45
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stderr]    Compiling ttf-parser v0.20.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling stop-words v0.2.2
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]    Compiling image v0.24.9
[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] warning: unused dependency `itertools`
[INFO] [stderr]  --> Cargo.toml:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | [dependencies.itertools]
[INFO] [stderr]   |               ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `itertools`
[INFO] [stderr] warning: `stylometry` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.71s
[INFO] running `Command { std: "docker" "inspect" "8100afe947f8cd108e555bb0a1de7d7bb89ef36d65713dd1252bfef6dc07adbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8100afe947f8cd108e555bb0a1de7d7bb89ef36d65713dd1252bfef6dc07adbd" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", 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] warning: unused dependency `itertools`
[INFO] [stderr]  --> Cargo.toml:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | [dependencies.itertools]
[INFO] [stderr]   |               ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `itertools`
[INFO] [stderr] warning: `stylometry` (manifest) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "8100afe947f8cd108e555bb0a1de7d7bb89ef36d65713dd1252bfef6dc07adbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8100afe947f8cd108e555bb0a1de7d7bb89ef36d65713dd1252bfef6dc07adbd" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `counter` is never read
[INFO] [stderr]    --> src/lib.rs:262:17
[INFO] [stderr]     |
[INFO] [stderr] 262 |                 counter += 1;
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[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] warning: unused dependency `itertools`
[INFO] [stderr]  --> Cargo.toml:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | [dependencies.itertools]
[INFO] [stderr]   |               ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `itertools`
[INFO] [stderr] warning: `stylometry` (manifest) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[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]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/stylometry/e4b66c8611d8e695/out/stylometry-e4b66c8611d8e695)
[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" "8100afe947f8cd108e555bb0a1de7d7bb89ef36d65713dd1252bfef6dc07adbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8100afe947f8cd108e555bb0a1de7d7bb89ef36d65713dd1252bfef6dc07adbd", kill_on_drop: false }`
[INFO] [stdout] 8100afe947f8cd108e555bb0a1de7d7bb89ef36d65713dd1252bfef6dc07adbd
