[INFO] crate rust-tfidf 1.0.4 is already in cache
[INFO] testing rust-tfidf-1.0.4 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate rust-tfidf 1.0.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rust-tfidf 1.0.4 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 211eb78f43e5bb9e3c506b705373f50e51a081106b8f7e876a246caef4579f62
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "211eb78f43e5bb9e3c506b705373f50e51a081106b8f7e876a246caef4579f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "211eb78f43e5bb9e3c506b705373f50e51a081106b8f7e876a246caef4579f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "211eb78f43e5bb9e3c506b705373f50e51a081106b8f7e876a246caef4579f62", kill_on_drop: false }`
[INFO] [stdout] 211eb78f43e5bb9e3c506b705373f50e51a081106b8f7e876a246caef4579f62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48409f988f5ad31ffbb36a4922c39f4a040f6c16aec2a1f8fd644d1507c57976
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "48409f988f5ad31ffbb36a4922c39f4a040f6c16aec2a1f8fd644d1507c57976", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rust-tfidf v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `num::traits::Float`
[INFO] [stdout]  --> src/tf.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use num::traits::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `Command { std: "docker" "inspect" "48409f988f5ad31ffbb36a4922c39f4a040f6c16aec2a1f8fd644d1507c57976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48409f988f5ad31ffbb36a4922c39f4a040f6c16aec2a1f8fd644d1507c57976", kill_on_drop: false }`
[INFO] [stdout] 48409f988f5ad31ffbb36a4922c39f4a040f6c16aec2a1f8fd644d1507c57976
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9c896e57cde4f3286fb9a05e7a93d3ebe117dfce87c7b4786b900f68e11d7e65
[INFO] running `Command { std: "docker" "start" "-a" "9c896e57cde4f3286fb9a05e7a93d3ebe117dfce87c7b4786b900f68e11d7e65", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-tfidf v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `num::traits::Float`
[INFO] [stdout]  --> src/tf.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use num::traits::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::traits::Float`
[INFO] [stdout]  --> src/tf.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use num::traits::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "9c896e57cde4f3286fb9a05e7a93d3ebe117dfce87c7b4786b900f68e11d7e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c896e57cde4f3286fb9a05e7a93d3ebe117dfce87c7b4786b900f68e11d7e65", kill_on_drop: false }`
[INFO] [stdout] 9c896e57cde4f3286fb9a05e7a93d3ebe117dfce87c7b4786b900f68e11d7e65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f793938aac68be72af4ad16f6632a5191a434912490edbbb0ef8b3575dc9261
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7f793938aac68be72af4ad16f6632a5191a434912490edbbb0ef8b3575dc9261", kill_on_drop: false }`
[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 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tfidf-039d0d408d540564
[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] [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 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 `Command { std: "docker" "inspect" "7f793938aac68be72af4ad16f6632a5191a434912490edbbb0ef8b3575dc9261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f793938aac68be72af4ad16f6632a5191a434912490edbbb0ef8b3575dc9261", kill_on_drop: false }`
[INFO] [stdout] 7f793938aac68be72af4ad16f6632a5191a434912490edbbb0ef8b3575dc9261