[INFO] crate rust-tfidf 1.0.4 is already in cache
[INFO] extracting crate rust-tfidf 1.0.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/rust-tfidf/1.0.4
[INFO] extracting crate rust-tfidf 1.0.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rust-tfidf/1.0.4
[INFO] validating manifest of rust-tfidf-1.0.4 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust-tfidf-1.0.4 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/rust-tfidf/1.0.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing rust-tfidf-1.0.4 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 5af8533aa6fd2c2629688a8d357fe681e328f43f967daafb6a722b406e00dc89
[INFO] running `"docker" "start" "-a" "5af8533aa6fd2c2629688a8d357fe681e328f43f967daafb6a722b406e00dc89"`
[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 0.46s
[INFO] running `"docker" "inspect" "5af8533aa6fd2c2629688a8d357fe681e328f43f967daafb6a722b406e00dc89"`
[INFO] running `"docker" "rm" "-f" "5af8533aa6fd2c2629688a8d357fe681e328f43f967daafb6a722b406e00dc89"`
[INFO] [stdout] 5af8533aa6fd2c2629688a8d357fe681e328f43f967daafb6a722b406e00dc89
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ae46ded884fd1e90561964ac6e83149febfbe10e566ddf4bdfd48410a9439109
[INFO] running `"docker" "start" "-a" "ae46ded884fd1e90561964ac6e83149febfbe10e566ddf4bdfd48410a9439109"`
[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 0.88s
[INFO] running `"docker" "inspect" "ae46ded884fd1e90561964ac6e83149febfbe10e566ddf4bdfd48410a9439109"`
[INFO] running `"docker" "rm" "-f" "ae46ded884fd1e90561964ac6e83149febfbe10e566ddf4bdfd48410a9439109"`
[INFO] [stdout] ae46ded884fd1e90561964ac6e83149febfbe10e566ddf4bdfd48410a9439109
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] d41ca9701d76d477952cad6c59ebeec8352b5034ef4c6f2e3731e005f8f15581
[INFO] running `"docker" "start" "-a" "d41ca9701d76d477952cad6c59ebeec8352b5034ef4c6f2e3731e005f8f15581"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tfidf-f94b90f29be968e3
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test idf::idf_wiki_example_tests ... ok
[INFO] [stdout] test tfidf_wiki_example_tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tfidf
[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 40) ... ok
[INFO] [stdout] test src/lib.rs -  (line 57) ... 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" "d41ca9701d76d477952cad6c59ebeec8352b5034ef4c6f2e3731e005f8f15581"`
[INFO] running `"docker" "rm" "-f" "d41ca9701d76d477952cad6c59ebeec8352b5034ef4c6f2e3731e005f8f15581"`
[INFO] [stdout] d41ca9701d76d477952cad6c59ebeec8352b5034ef4c6f2e3731e005f8f15581