[INFO] crate rust-tfidf 1.0.4 is already in cache
[INFO] testing rust-tfidf-1.0.4 against 1.44.0 for beta-1.45-1
[INFO] extracting crate rust-tfidf 1.0.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rust-tfidf 1.0.4 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rust-tfidf 1.0.4
[INFO] finished tweaking crates.io crate rust-tfidf 1.0.4
[INFO] tweaked toml for crates.io crate rust-tfidf 1.0.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3495402bb06f37ede290820a01b0a10391bad2fb8ab2724cf16355f51a174051
[INFO] running `"docker" "start" "-a" "3495402bb06f37ede290820a01b0a10391bad2fb8ab2724cf16355f51a174051"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-tfidf v1.0.4 (/opt/rustwide/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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "3495402bb06f37ede290820a01b0a10391bad2fb8ab2724cf16355f51a174051"`
[INFO] running `"docker" "rm" "-f" "3495402bb06f37ede290820a01b0a10391bad2fb8ab2724cf16355f51a174051"`
[INFO] [stdout] 3495402bb06f37ede290820a01b0a10391bad2fb8ab2724cf16355f51a174051
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] af3e4c71c5da7ce3c0718cd30f59fc11bf6734400902044052d302bece5d48b4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "af3e4c71c5da7ce3c0718cd30f59fc11bf6734400902044052d302bece5d48b4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-tfidf v1.0.4 (/opt/rustwide/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] warning: 1 warning emitted
[INFO] [stderr] 
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "af3e4c71c5da7ce3c0718cd30f59fc11bf6734400902044052d302bece5d48b4"`
[INFO] running `"docker" "rm" "-f" "af3e4c71c5da7ce3c0718cd30f59fc11bf6734400902044052d302bece5d48b4"`
[INFO] [stdout] af3e4c71c5da7ce3c0718cd30f59fc11bf6734400902044052d302bece5d48b4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3b61bd0f5211da4635955eda377a73394308f9026c8db9e1925558d3c51b3c66
[INFO] running `"docker" "start" "-a" "3b61bd0f5211da4635955eda377a73394308f9026c8db9e1925558d3c51b3c66"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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] warning: 1 warning emitted
[INFO] [stderr] 
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tfidf-e91d2abbc4bfa8c2
[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" "3b61bd0f5211da4635955eda377a73394308f9026c8db9e1925558d3c51b3c66"`
[INFO] running `"docker" "rm" "-f" "3b61bd0f5211da4635955eda377a73394308f9026c8db9e1925558d3c51b3c66"`
[INFO] [stdout] 3b61bd0f5211da4635955eda377a73394308f9026c8db9e1925558d3c51b3c66