[INFO] fetching crate cshannon 0.1.1...
[INFO] testing cshannon-0.1.1 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate cshannon 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cshannon 0.1.1 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cshannon 0.1.1
[INFO] finished tweaking crates.io crate cshannon 0.1.1
[INFO] tweaked toml for crates.io crate cshannon 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cshannon 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test_bin v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 853ace631f934ab4eedf1df500db4ddc8d0ed390abb146703571634e0c7341a8
[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" "853ace631f934ab4eedf1df500db4ddc8d0ed390abb146703571634e0c7341a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "853ace631f934ab4eedf1df500db4ddc8d0ed390abb146703571634e0c7341a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "853ace631f934ab4eedf1df500db4ddc8d0ed390abb146703571634e0c7341a8", kill_on_drop: false }`
[INFO] [stdout] 853ace631f934ab4eedf1df500db4ddc8d0ed390abb146703571634e0c7341a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adc3c1f0639efc205222d843bdb631e36e98472406b55bd5c79eb9ec694d71e1
[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" "adc3c1f0639efc205222d843bdb631e36e98472406b55bd5c79eb9ec694d71e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling bit-vec v0.6.1
[INFO] [stderr]    Compiling test_bin v0.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling cshannon v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.72s
[INFO] running `Command { std: "docker" "inspect" "adc3c1f0639efc205222d843bdb631e36e98472406b55bd5c79eb9ec694d71e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc3c1f0639efc205222d843bdb631e36e98472406b55bd5c79eb9ec694d71e1", kill_on_drop: false }`
[INFO] [stdout] adc3c1f0639efc205222d843bdb631e36e98472406b55bd5c79eb9ec694d71e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1625437e2419fd3f98e4178594cd7013cc018e08f56a794edf549a4d8ef55eba
[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" "1625437e2419fd3f98e4178594cd7013cc018e08f56a794edf549a4d8ef55eba", kill_on_drop: false }`
[INFO] [stderr]    Compiling cshannon v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.28s
[INFO] running `Command { std: "docker" "inspect" "1625437e2419fd3f98e4178594cd7013cc018e08f56a794edf549a4d8ef55eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1625437e2419fd3f98e4178594cd7013cc018e08f56a794edf549a4d8ef55eba", kill_on_drop: false }`
[INFO] [stdout] 1625437e2419fd3f98e4178594cd7013cc018e08f56a794edf549a4d8ef55eba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 00a5a92bae694a1c7a181abcda8bddf5382d5fecf85969f36387d91fad9c3d04
[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" "00a5a92bae694a1c7a181abcda8bddf5382d5fecf85969f36387d91fad9c3d04", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 77 tests
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cshannon-0e7eb1d6a5207ad9
[INFO] [stdout] test code::alphabet::pack_tests::roundtrip_many_letters ... ok
[INFO] [stdout] test code::alphabet::pack_tests::roundtrip_different_lengths ... ok
[INFO] [stdout] test code::alphabet::pack_tests::roundtrip_large_letters ... ok
[INFO] [stdout] test benchmarks::bytes_fano ... ok
[INFO] [stdout] test code::alphabet::pack_tests::roundtrip_single_letter ... ok
[INFO] [stdout] test code::alphabet::pack_tests::roundtrip_unaligned_lengths ... ok
[INFO] [stdout] test code::alphabet::pack_tests::roundtrip_trivial ... ok
[INFO] [stdout] test benchmarks::bytes_huffman ... ok
[INFO] [stdout] test code::alphabet::tree_tests::empty ... ok
[INFO] [stdout] test code::alphabet::tree_tests::leaf1 ... ok
[INFO] [stdout] test code::alphabet::pack_tests::roundtrip_byte_letters ... ok
[INFO] [stdout] test code::text::pack_tests::empty ... ok
[INFO] [stdout] test code::text::pack_tests::multiple_unaligned_short_letters ... ok
[INFO] [stdout] test code::letter::tests::empty ... ok
[INFO] [stdout] test code::letter::tests::with_capacity ... ok
[INFO] [stdout] test benchmarks::bytes_balanced_tree ... ok
[INFO] [stdout] test code::text::pack_tests::multiple_unaligned_letters ... ok
[INFO] [stdout] test code::text::pack_tests::multiple_aligned_letters ... ok
[INFO] [stdout] test code::letter::tests::new_data_truncation ... ok
[INFO] [stdout] test code::letter::tests::incremental_build_extends_data ... ok
[INFO] [stdout] test code::alphabet::tree_tests::leaf0 ... ok
[INFO] [stdout] test code::letter::tests::incremental_build ... ok
[INFO] [stdout] test benchmarks::bytes_shannon ... ok
[INFO] [stdout] test code::alphabet::tree_tests::unshared_letters ... ok
[INFO] [stdout] test code::letter::tests::at ... ok
[INFO] [stdout] test code::alphabet::tree_tests::multi_byte_letter ... ok
[INFO] [stdout] test code::text::pack_tests::single_aligned_letter ... ok
[INFO] [stdout] test code::text::pack_tests::single_unaligned_long_letter ... ok
[INFO] [stdout] test code::text::pack_tests::zero_letter ... ok
[INFO] [stdout] test code::text::pack_tests::single_byte ... ok
[INFO] [stdout] test code::text::pack_tests::single_unaligned_short_letter ... ok
[INFO] [stdout] test code::text::parse_tests::short_unaligned_trailing_zeros ... ok
[INFO] [stdout] test encoding::balanced_tree::tests::empty ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::four_elems_closer_right ... ok
[INFO] [stdout] test code::text::parse_tests::short_unaligned_fit ... ok
[INFO] [stdout] test encoding::balanced_tree::tests::one_token ... ok
[INFO] [stdout] test code::text::parse_tests::complex_long_unaligned_shared_trailing_zeros ... ok
[INFO] [stdout] test code::alphabet::tree_tests::shared_letters ... ok
[INFO] [stdout] test code::text::parse_tests::single_byte_disjoint ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::three_elems_larger_left ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::three_elems_larger_right ... ok
[INFO] [stdout] test code::text::parse_tests::trailing_data ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::three_elems_split_at_value ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::two_elems_to_terminals ... ok
[INFO] [stdout] test encoding::balanced_tree::tests::max_tokens_for_some_tree_height_then_one ... ok
[INFO] [stdout] test encoding::fano::tests::single_level ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::large_right_heavy_input ... ok
[INFO] [stdout] test code::text::parse_tests::nonexistent_letter ... ok
[INFO] [stdout] test encoding::huffman::tests::empty ... ok
[INFO] [stdout] test code::text::parse_tests::incomplete ... ok
[INFO] [stdout] test code::text::parse_tests::single_byte_common_prefix ... ok
[INFO] [stdout] test code::text::parse_tests::multi_byte_common_prefix ... ok
[INFO] [stdout] test encoding::fano::tests::two_level_balanced ... ok
[INFO] [stdout] test encoding::huffman::tests::three_tokens_huge_first ... ok
[INFO] [stdout] test model::tests::with_frequencies ... ok
[INFO] [stdout] test code::text::parse_tests::empty ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::single_elem ... ok
[INFO] [stdout] test encoding::huffman::tests::two_tokens ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::two_elems_right_heavy ... ok
[INFO] [stdout] test code::alphabet::tree_tests::multi_byte_shared ... ok
[INFO] [stdout] test tokens::bytes::tests::roundtrip ... ok
[INFO] [stdout] test tokens::roundtrip_with_len_tests::non_empty ... ok
[INFO] [stdout] test tokens::graphemes::tests::roundtrip ... ok
[INFO] [stdout] test encoding::shannon::tests::basic ... ok
[INFO] [stdout] test tokens::roundtrip_with_len_tests::trailing_grapheme_data ... ok
[INFO] [stdout] test tokens::words::tests::roundtrip ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::huge_left_heavy_input ... ok
[INFO] [stdout] test model::tests::basic ... ok
[INFO] [stdout] test encoding::shannon::tests::short_diadic_fraction ... ok
[INFO] [stdout] test encoding::balanced_tree::tests::max_tokens_for_some_tree_height ... ok
[INFO] [stdout] test encoding::huffman::tests::three_tokens_similar ... ok
[INFO] [stdout] test tokens::roundtrip_with_len_tests::trailing_byte_data ... ok
[INFO] [stdout] test tokens::roundtrip_with_len_tests::empty ... ok
[INFO] [stdout] test encoding::huffman::tests::four_tokens_balanced_tree ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::large_left_heavy_input ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::large_balanced_input ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::huge_right_heavy_input ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 77 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cshannon-37b0caf454accca8
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/roundtrip-b90b22b44f37536f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] test words_huffman ... ok
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] test graphemes_huffman ... ok
[INFO] [stdout] test bytes_balanced_tree ... ok
[INFO] [stdout] test graphemes_balanced_tree ... ok
[INFO] [stdout] test graphemes_fano ... ok
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] test bytes_huffman ... ok
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] test bytes_shannon ... ok
[INFO] [stdout] Success
[INFO] [stdout] test words_shannon ... ok
[INFO] [stdout] Success
[INFO] [stdout] test words_balanced_tree ... ok
[INFO] [stdout] Success
[INFO] [stdout] test words_fano ... Success
[INFO] [stdout] ok
[INFO] [stdout] test graphemes_shannon ... ok
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] test bytes_fano ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/text_test-4263deade55e540a
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test roundtrip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cshannon
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "00a5a92bae694a1c7a181abcda8bddf5382d5fecf85969f36387d91fad9c3d04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00a5a92bae694a1c7a181abcda8bddf5382d5fecf85969f36387d91fad9c3d04", kill_on_drop: false }`
[INFO] [stdout] 00a5a92bae694a1c7a181abcda8bddf5382d5fecf85969f36387d91fad9c3d04