[INFO] fetching crate rust-tfidf 1.1.0...
[INFO] testing rust-tfidf-1.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rust-tfidf 1.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rust-tfidf 1.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-tfidf 1.1.0
[INFO] finished tweaking crates.io crate rust-tfidf 1.1.0
[INFO] tweaked toml for crates.io crate rust-tfidf 1.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32a3ed881295224e14fe90af013737299925385e0732b2ed24b787c7de060078
[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" "32a3ed881295224e14fe90af013737299925385e0732b2ed24b787c7de060078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32a3ed881295224e14fe90af013737299925385e0732b2ed24b787c7de060078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a3ed881295224e14fe90af013737299925385e0732b2ed24b787c7de060078", kill_on_drop: false }`
[INFO] [stdout] 32a3ed881295224e14fe90af013737299925385e0732b2ed24b787c7de060078
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5604bf237e42285ca4f825bf120589795ecc0f8a96339967db21db722951555
[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" "d5604bf237e42285ca4f825bf120589795ecc0f8a96339967db21db722951555", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-tfidf v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "d5604bf237e42285ca4f825bf120589795ecc0f8a96339967db21db722951555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5604bf237e42285ca4f825bf120589795ecc0f8a96339967db21db722951555", kill_on_drop: false }`
[INFO] [stdout] d5604bf237e42285ca4f825bf120589795ecc0f8a96339967db21db722951555
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcdf81f09005a6d65a6bfe74dde182d7d0d4aee7afa58bc7b924d8dc5e879a1e
[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" "dcdf81f09005a6d65a6bfe74dde182d7d0d4aee7afa58bc7b924d8dc5e879a1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-tfidf v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "dcdf81f09005a6d65a6bfe74dde182d7d0d4aee7afa58bc7b924d8dc5e879a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcdf81f09005a6d65a6bfe74dde182d7d0d4aee7afa58bc7b924d8dc5e879a1e", kill_on_drop: false }`
[INFO] [stdout] dcdf81f09005a6d65a6bfe74dde182d7d0d4aee7afa58bc7b924d8dc5e879a1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a1af63a70258ed788b4298f943389b492187c89ac7b6ccc28fc8b94ab9e6d56a
[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" "a1af63a70258ed788b4298f943389b492187c89ac7b6ccc28fc8b94ab9e6d56a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tfidf-2abb7ee1b2b64435
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tfidf_wiki_example_tests ... ok
[INFO] [stdout] test idf::idf_wiki_example_tests_btreemap ... ok
[INFO] [stdout] test idf::idf_wiki_example_tests_hashmap ... ok
[INFO] [stdout] test idf::idf_wiki_example_tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tfidf
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/tf.rs - tf::DoubleKNormalizationTf (line 76) ... 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; finished in 1.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a1af63a70258ed788b4298f943389b492187c89ac7b6ccc28fc8b94ab9e6d56a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1af63a70258ed788b4298f943389b492187c89ac7b6ccc28fc8b94ab9e6d56a", kill_on_drop: false }`
[INFO] [stdout] a1af63a70258ed788b4298f943389b492187c89ac7b6ccc28fc8b94ab9e6d56a