[INFO] crate rust-tfidf 1.0.4 is already in cache
[INFO] extracting crate rust-tfidf 1.0.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/rust-tfidf/1.0.4
[INFO] extracting crate rust-tfidf 1.0.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-tfidf/1.0.4
[INFO] validating manifest of rust-tfidf-1.0.4 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust-tfidf-1.0.4 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rust-tfidf-1.0.4
[INFO] finished frobbing rust-tfidf-1.0.4
[INFO] frobbed toml for rust-tfidf-1.0.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rust-tfidf/1.0.4/Cargo.toml
[INFO] started frobbing rust-tfidf-1.0.4
[INFO] finished frobbing rust-tfidf-1.0.4
[INFO] frobbed toml for rust-tfidf-1.0.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-tfidf/1.0.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rust-tfidf-1.0.4 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rust-tfidf/1.0.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 69b845da9f6762f9e293b6b6024a186a5047203d6fdce4cd63f5ff49af2099ef
[INFO] running `"docker" "start" "-a" "69b845da9f6762f9e293b6b6024a186a5047203d6fdce4cd63f5ff49af2099ef"`
[INFO] [stderr]    Compiling rust-tfidf v1.0.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `num::traits::Float`
[INFO] [stderr]  --> src/tf.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use num::traits::Float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "69b845da9f6762f9e293b6b6024a186a5047203d6fdce4cd63f5ff49af2099ef"`
[INFO] running `"docker" "rm" "-f" "69b845da9f6762f9e293b6b6024a186a5047203d6fdce4cd63f5ff49af2099ef"`
[INFO] [stdout] 69b845da9f6762f9e293b6b6024a186a5047203d6fdce4cd63f5ff49af2099ef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rust-tfidf/1.0.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9b96ceb66ab1ad8f10706ea14dff6f1237a15db5e9c52cbbab236616fc3cfe03
[INFO] running `"docker" "start" "-a" "9b96ceb66ab1ad8f10706ea14dff6f1237a15db5e9c52cbbab236616fc3cfe03"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-tfidf v1.0.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `num::traits::Float`
[INFO] [stderr]  --> src/tf.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use num::traits::Float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "9b96ceb66ab1ad8f10706ea14dff6f1237a15db5e9c52cbbab236616fc3cfe03"`
[INFO] running `"docker" "rm" "-f" "9b96ceb66ab1ad8f10706ea14dff6f1237a15db5e9c52cbbab236616fc3cfe03"`
[INFO] [stdout] 9b96ceb66ab1ad8f10706ea14dff6f1237a15db5e9c52cbbab236616fc3cfe03
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rust-tfidf/1.0.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 7f35483857b6f0516d0b607a6542999f1e7a513a6a6ffc8a933cd406e948638d
[INFO] running `"docker" "start" "-a" "7f35483857b6f0516d0b607a6542999f1e7a513a6a6ffc8a933cd406e948638d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tfidf-e3b3262c6e60682a
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tfidf_wiki_example_tests ... ok
[INFO] [stdout] test idf::idf_wiki_example_tests ... ok
[INFO] [stderr]    Doc-tests tfidf
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/tf.rs - tf::DoubleKNormalizationTf (line 68) ... ok
[INFO] [stdout] test src/lib.rs -  (line 57) ... ok
[INFO] [stdout] test src/lib.rs -  (line 40) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7f35483857b6f0516d0b607a6542999f1e7a513a6a6ffc8a933cd406e948638d"`
[INFO] running `"docker" "rm" "-f" "7f35483857b6f0516d0b607a6542999f1e7a513a6a6ffc8a933cd406e948638d"`
[INFO] [stdout] 7f35483857b6f0516d0b607a6542999f1e7a513a6a6ffc8a933cd406e948638d