[INFO] cloning repository https://github.com/jaynewey/ferrouge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaynewey/ferrouge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaynewey%2Fferrouge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaynewey%2Fferrouge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80736e7c27390f7b190b53523f4cb150e4032d03
[INFO] testing jaynewey/ferrouge against master#552a959051cebf8f88a8f558399baf733bec9ce0 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaynewey%2Fferrouge" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaynewey/ferrouge on toolchain 552a959051cebf8f88a8f558399baf733bec9ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jaynewey/ferrouge
[INFO] finished tweaking git repo https://github.com/jaynewey/ferrouge
[INFO] tweaked toml for git repo https://github.com/jaynewey/ferrouge written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jaynewey/ferrouge 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" "+552a959051cebf8f88a8f558399baf733bec9ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec8d0c5ca0ff9cd019790aa1a1872a5101fba91ef6fb54ab657eab53e82584b7
[INFO] running `Command { std: "docker" "start" "-a" "ec8d0c5ca0ff9cd019790aa1a1872a5101fba91ef6fb54ab657eab53e82584b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec8d0c5ca0ff9cd019790aa1a1872a5101fba91ef6fb54ab657eab53e82584b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec8d0c5ca0ff9cd019790aa1a1872a5101fba91ef6fb54ab657eab53e82584b7", kill_on_drop: false }`
[INFO] [stdout] ec8d0c5ca0ff9cd019790aa1a1872a5101fba91ef6fb54ab657eab53e82584b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38c057cba484652e79e5edbb93067884b44eedb526fcf1269c4d5a288f8f8679
[INFO] running `Command { std: "docker" "start" "-a" "38c057cba484652e79e5edbb93067884b44eedb526fcf1269c4d5a288f8f8679", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling rust-stemmers v1.2.0
[INFO] [stderr]    Compiling ferrouge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `precision`, `recall`, and `fmeasure` are never read
[INFO] [stdout]  --> src/score.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Score {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 3 |     precision: f32,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 4 |     recall: f32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     fmeasure: f32,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Score` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.98s
[INFO] running `Command { std: "docker" "inspect" "38c057cba484652e79e5edbb93067884b44eedb526fcf1269c4d5a288f8f8679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38c057cba484652e79e5edbb93067884b44eedb526fcf1269c4d5a288f8f8679", kill_on_drop: false }`
[INFO] [stdout] 38c057cba484652e79e5edbb93067884b44eedb526fcf1269c4d5a288f8f8679
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03988b5aba78d8c12fbb6385cc5c23d14234d5de8fcb462ca7d4805e052860ff
[INFO] running `Command { std: "docker" "start" "-a" "03988b5aba78d8c12fbb6385cc5c23d14234d5de8fcb462ca7d4805e052860ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling ferrouge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `precision`, `recall`, and `fmeasure` are never read
[INFO] [stdout]  --> src/score.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Score {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 3 |     precision: f32,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 4 |     recall: f32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     fmeasure: f32,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Score` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `precision`, `recall`, and `fmeasure` are never read
[INFO] [stdout]  --> src/score.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Score {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 3 |     precision: f32,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 4 |     recall: f32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     fmeasure: f32,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Score` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "03988b5aba78d8c12fbb6385cc5c23d14234d5de8fcb462ca7d4805e052860ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03988b5aba78d8c12fbb6385cc5c23d14234d5de8fcb462ca7d4805e052860ff", kill_on_drop: false }`
[INFO] [stdout] 03988b5aba78d8c12fbb6385cc5c23d14234d5de8fcb462ca7d4805e052860ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3937ab136a492b63f671ff807043b7343fe53a8e5f03c7bb35ae48387d9cbdf7
[INFO] running `Command { std: "docker" "start" "-a" "3937ab136a492b63f671ff807043b7343fe53a8e5f03c7bb35ae48387d9cbdf7", kill_on_drop: false }`
[INFO] [stderr] warning: fields `precision`, `recall`, and `fmeasure` are never read
[INFO] [stderr]  --> src/score.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct Score {
[INFO] [stderr]   |            ----- fields in this struct
[INFO] [stderr] 3 |     precision: f32,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 4 |     recall: f32,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 5 |     fmeasure: f32,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Score` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ferrouge` (lib) generated 1 warning
[INFO] [stderr] warning: `ferrouge` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ferrouge-cdb0a2b13d64fed9)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tokenizers::tests::test_whitespace_tokenizer ... ok
[INFO] [stdout] test ngram::tests::test_count_ngrams ... ok
[INFO] [stdout] test rouge::tests::test_rouge_n ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ferrouge
[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" "3937ab136a492b63f671ff807043b7343fe53a8e5f03c7bb35ae48387d9cbdf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3937ab136a492b63f671ff807043b7343fe53a8e5f03c7bb35ae48387d9cbdf7", kill_on_drop: false }`
[INFO] [stdout] 3937ab136a492b63f671ff807043b7343fe53a8e5f03c7bb35ae48387d9cbdf7