[INFO] crate serenity 0.6.3 is already in cache
[INFO] extracting crate serenity 0.6.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/serenity/0.6.3
[INFO] extracting crate serenity 0.6.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/serenity/0.6.3
[INFO] validating manifest of serenity-0.6.3 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of serenity-0.6.3 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing serenity-0.6.3
[INFO] finished frobbing serenity-0.6.3
[INFO] frobbed toml for serenity-0.6.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/serenity/0.6.3/Cargo.toml
[INFO] started frobbing serenity-0.6.3
[INFO] finished frobbing serenity-0.6.3
[INFO] frobbed toml for serenity-0.6.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/serenity/0.6.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing serenity-0.6.3 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/serenity/0.6.3:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 96921847c16844de3a068b4309ce9d827ebc3edffab499f81e876a0c222ea4d2
[INFO] running `"docker" "start" "-a" "96921847c16844de3a068b4309ce9d827ebc3edffab499f81e876a0c222ea4d2"`
[INFO] [stderr]    Compiling serenity v0.6.3 (/opt/crater/workdir)
[INFO] [stderr]    Compiling uwl v0.4.2
[INFO] [stderr]    Compiling flate2 v1.0.11
[INFO] [stderr]    Compiling input_buffer v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling ct-logs v0.5.1
[INFO] [stderr]    Compiling command_attr v0.1.4
[INFO] [stderr]    Compiling rustls v0.15.2
[INFO] [stderr]    Compiling sha-1 v0.8.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling tungstenite v0.6.1
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling tokio-rustls v0.9.3
[INFO] [stderr]    Compiling hyper-rustls v0.16.1
[INFO] [stderr]    Compiling reqwest v0.9.19
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `"docker" "inspect" "96921847c16844de3a068b4309ce9d827ebc3edffab499f81e876a0c222ea4d2"`
[INFO] running `"docker" "rm" "-f" "96921847c16844de3a068b4309ce9d827ebc3edffab499f81e876a0c222ea4d2"`
[INFO] [stdout] 96921847c16844de3a068b4309ce9d827ebc3edffab499f81e876a0c222ea4d2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/serenity/0.6.3:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 618c320ecdc560471cca385da2868bbe46a6d1411df27b5859249e04755bfb6d
[INFO] running `"docker" "start" "-a" "618c320ecdc560471cca385da2868bbe46a6d1411df27b5859249e04755bfb6d"`
[INFO] [stderr]    Compiling serenity v0.6.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.29s
[INFO] running `"docker" "inspect" "618c320ecdc560471cca385da2868bbe46a6d1411df27b5859249e04755bfb6d"`
[INFO] running `"docker" "rm" "-f" "618c320ecdc560471cca385da2868bbe46a6d1411df27b5859249e04755bfb6d"`
[INFO] [stdout] 618c320ecdc560471cca385da2868bbe46a6d1411df27b5859249e04755bfb6d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/serenity/0.6.3:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 308c2639ac4c0f57790c94227fe073ce8f55776c37fd02bdc442b233512a744d
[INFO] running `"docker" "start" "-a" "308c2639ac4c0f57790c94227fe073ce8f55776c37fd02bdc442b233512a744d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/serenity-f944fdb56973f6df
[INFO] [stdout] 
[INFO] [stdout] running 52 tests
[INFO] [stdout] test cache::test::test_cache_messages ... ok
[INFO] [stdout] test builder::create_embed::test::test_from_embed ... ok
[INFO] [stdout] test framework::standard::help_commands::matrix_tests::index_mut ... ok
[INFO] [stdout] test framework::standard::help_commands::levenshtein_tests::transitive ... ok
[INFO] [stdout] test framework::standard::help_commands::levenshtein_tests::reflexive ... ok
[INFO] [stdout] test framework::standard::help_commands::levenshtein_tests::symmetric ... ok
[INFO] [stdout] test framework::standard::structures::levenshtein_tests::help_behaviour_eq ... ok
[INFO] [stdout] test framework::standard::structures::levenshtein_tests::help_behaviour_nothing ... ok
[INFO] [stdout] test framework::standard::structures::levenshtein_tests::help_behaviour_strike ... ok
[INFO] [stdout] test http::error::test::test_error_response_into ... ok
[INFO] [stdout] test framework::standard::structures::levenshtein_tests::help_behaviour_hide ... ok
[INFO] [stdout] test http::test::test_attachment_type ... ok
[INFO] [stdout] test model::channel::test::model_utils::nsfw_checks ... ok
[INFO] [stdout] test http::ratelimiting::tests::test_parse_header_good ... ok
[INFO] [stdout] test model::guild::test::model::member_named_username ... ok
[INFO] [stdout] test model::guild::test::model::member_named_nickname ... ok
[INFO] [stdout] test http::ratelimiting::tests::test_parse_header_errors ... ok
[INFO] [stdout] test model::misc::test::test_formatters ... ok
[INFO] [stdout] test utils::colour::test::b ... ok
[INFO] [stdout] test utils::colour::test::default ... ok
[INFO] [stdout] test model::user::test::model::test_core ... ok
[INFO] [stdout] test utils::colour::test::from ... ok
[INFO] [stdout] test model::misc::test::utils::test_mention ... ok
[INFO] [stdout] test utils::colour::test::r ... ok
[INFO] [stdout] test utils::message_builder::test::code_blocks ... ok
[INFO] [stdout] test utils::message_builder::test::content ... ok
[INFO] [stdout] test utils::colour::test::tuple ... ok
[INFO] [stdout] test utils::message_builder::test::init ... ok
[INFO] [stdout] test utils::colour::test::from_rgb ... ok
[INFO] [stdout] test utils::colour::test::g ... ok
[INFO] [stdout] test utils::colour::test::new ... ok
[INFO] [stdout] test model::user::test::model::default_avatars ... ok
[INFO] [stdout] test utils::message_builder::test::message_content ... ok
[INFO] [stdout] test utils::message_builder::test::normalize ... ok
[INFO] [stdout] test utils::message_builder::test::mentions ... ok
[INFO] [stdout] test utils::message_builder::test::push_codeblock ... ok
[INFO] [stdout] test utils::message_builder::test::push ... ok
[INFO] [stdout] test utils::message_builder::test::push_codeblock_safe ... ok
[INFO] [stdout] test utils::message_builder::test::push_safe ... ok
[INFO] [stdout] test utils::test::role_parser ... ok
[INFO] [stdout] test utils::message_builder::test::message_content_safe ... ok
[INFO] [stdout] test utils::message_builder::test::safe_content ... ok
[INFO] [stdout] test utils::message_builder::test::no_free_formatting ... ok
[INFO] [stdout] test utils::test::test_channel_parser ... ok
[INFO] [stdout] test utils::message_builder::test::push_unsafe ... ok
[INFO] [stdout] test utils::test::test_invite_parser ... ok
[INFO] [stdout] test utils::test::test_quote_parser ... ok
[INFO] [stdout] test utils::test::test_emoji_parser ... ok
[INFO] [stdout] test utils::test::test_username_parser ... ok
[INFO] [stdout] test utils::test::test_content_safe ... ok
[INFO] [stdout] test framework::standard::help_commands::matrix_tests::panic_index_too_high ... ok
[INFO] [stdout] test framework::standard::help_commands::matrix_tests::panic_indexing_when_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 52 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_deser-61afc9638f3bdae7
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test channel_create ... ok
[INFO] [stdout] test channel_delete ... ok
[INFO] [stdout] test decode_negative_one_role_position ... ok
[INFO] [stdout] test channel_update ... ok
[INFO] [stdout] test channel_pins_update ... ok
[INFO] [stdout] test activity ... ok
[INFO] [stdout] test guild_channel_1_rest ... ok
[INFO] [stdout] test guild_emojis_update ... ok
[INFO] [stdout] test guild_delete ... ok
[INFO] [stdout] test emoji_animated ... ok
[INFO] [stdout] test decode_footer_deser ... ok
[INFO] [stdout] test guild_ban_add ... ok
[INFO] [stdout] test guild_member_update ... ok
[INFO] [stdout] test guild_member_add ... ok
[INFO] [stdout] test guild_role_create ... ok
[INFO] [stdout] test guild_features_deser ... ok
[INFO] [stdout] test guild_ban_remove ... ok
[INFO] [stdout] test guild_member_remove ... ok
[INFO] [stdout] test guild_update ... ok
[INFO] [stdout] test decode_guild_with_n1_role_position ... ok
[INFO] [stdout] test guild_some_application_id ... ok
[INFO] [stdout] test message_create ... ok
[INFO] [stdout] test message_reaction_remove ... ok
[INFO] [stdout] test guild_role_update ... ok
[INFO] [stdout] test message_reaction_add ... ok
[INFO] [stdout] test message_reaction_remove_all ... ok
[INFO] [stdout] test guild_system_channel_id_missing ... ok
[INFO] [stdout] test guild_role_delete ... ok
[INFO] [stdout] test message_type_7 ... ok
[INFO] [stdout] test typing_start ... ok
[INFO] [stdout] test voice_state_update ... ok
[INFO] [stdout] test message_update ... ok
[INFO] [stdout] test ready ... ok
[INFO] [stdout] test webhooks_update ... ok
[INFO] [stdout] test guild_create ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_prelude-cec682f5ff29610f
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests serenity
[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 275 tests
[INFO] [stdout] test src/builder/create_channel.rs - builder::create_channel::CreateChannel::permissions (line 97) ... ignored
[INFO] [stdout] test src/builder/create_embed.rs - builder::create_embed::CreateEmbed::timestamp (line 221) ... ok
[INFO] [stdout] test src/builder/create_invite.rs - builder::create_invite::CreateInvite::max_age (line 83) ... ok
[INFO] [stderr] error: process didn't exit successfully: `rustdoc --edition=2018 --test /opt/crater/workdir/src/lib.rs --crate-name serenity -L dependency=/opt/crater/target/debug/deps -L native=/opt/crater/target/debug/build/backtrace-sys-5c81d3694d492bc0/out -L native=/opt/crater/target/debug/build/miniz-sys-5ae27cb3fc5ef2d5/out -L native=/opt/crater/target/debug/build/ring-c6f92feb211b7da2/out -L dependency=/opt/crater/target/debug/deps --cfg 'feature="rustls"' --cfg 'feature="default"' --cfg 'feature="tungstenite"' --cfg 'feature="threadpool"' --cfg 'feature="gateway"' --cfg 'feature="flate2"' --cfg 'feature="framework"' --cfg 'feature="cache"' --cfg 'feature="command_attr"' --cfg 'feature="client"' --cfg 'feature="webpki-roots"' --cfg 'feature="base64"' --cfg 'feature="url"' --cfg 'feature="http"' --cfg 'feature="utils"' --cfg 'feature="standard_framework"' --cfg 'feature="webpki"' --cfg 'feature="reqwest"' --cfg 'feature="model"' --cfg 'feature="typemap"' --cfg 'feature="rustls_backend"' --cfg 'feature="uwl"' --cfg 'feature="builder"' --extern base64=/opt/crater/target/debug/deps/libbase64-b248d06447d2c6c2.rlib --extern bitflags=/opt/crater/target/debug/deps/libbitflags-bcd34e8f74846360.rlib --extern chrono=/opt/crater/target/debug/deps/libchrono-3696c7614cb10a07.rlib --extern command_attr=/opt/crater/target/debug/deps/libcommand_attr-f17d3c773c3a78ef.so --extern flate2=/opt/crater/target/debug/deps/libflate2-1de8d7fb1d32a752.rlib --extern http_crate=/opt/crater/target/debug/deps/libhttp-88ee4a9dc93d3818.rlib --extern log=/opt/crater/target/debug/deps/liblog-b2a55b6d3b9925f1.rlib --extern matches=/opt/crater/target/debug/deps/libmatches-5962f64d87545c04.rlib --extern parking_lot=/opt/crater/target/debug/deps/libparking_lot-d1fa922217d28620.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-39c2d5d4911696a1.rlib --extern rustls=/opt/crater/target/debug/deps/librustls-77b650bb0db5c6c1.rlib --extern serde=/opt/crater/target/debug/deps/libserde-dd12c9a5c23ee338.rlib --extern serde_json=/opt/crater/target/debug/deps/libserde_json-cc7d2cf7e5d933a8.rlib --extern serenity=/opt/crater/target/debug/deps/libserenity-8194cd5c11321cd9.rlib --extern threadpool=/opt/crater/target/debug/deps/libthreadpool-4d589970c849f5a0.rlib --extern tungstenite=/opt/crater/target/debug/deps/libtungstenite-ce8b463feeeba4f0.rlib --extern typemap=/opt/crater/target/debug/deps/libtypemap-058ded96be8d8a8a.rlib --extern url=/opt/crater/target/debug/deps/liburl-ebaefb0ef9c8c191.rlib --extern uwl=/opt/crater/target/debug/deps/libuwl-6260b977260c14f5.rlib --extern webpki=/opt/crater/target/debug/deps/libwebpki-42d9c985bdee7edc.rlib --extern webpki_roots=/opt/crater/target/debug/deps/libwebpki_roots-7102d7d5c927acb7.rlib` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "308c2639ac4c0f57790c94227fe073ce8f55776c37fd02bdc442b233512a744d"`
[INFO] running `"docker" "rm" "-f" "308c2639ac4c0f57790c94227fe073ce8f55776c37fd02bdc442b233512a744d"`
[INFO] [stdout] 308c2639ac4c0f57790c94227fe073ce8f55776c37fd02bdc442b233512a744d