[INFO] fetching crate yttrium_std_database_exists 0.1.0...
[INFO] testing yttrium_std_database_exists-0.1.0 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate yttrium_std_database_exists 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate yttrium_std_database_exists 0.1.0
[INFO] finished tweaking crates.io crate yttrium_std_database_exists 0.1.0
[INFO] tweaked toml for crates.io crate yttrium_std_database_exists 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate yttrium_std_database_exists 0.1.0 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 176 packages to latest compatible versions
[INFO] [stderr]       Adding command_attr v0.3.2 (available: v0.3.8)
[INFO] [stderr]       Adding yttrium_key_base v0.1.0 (available: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5b6d9fa8d0aed8b66d29e242116270989a2971a9fd1aa6aa94127ce5f8ca121
[INFO] running `Command { std: "docker" "start" "-a" "a5b6d9fa8d0aed8b66d29e242116270989a2971a9fd1aa6aa94127ce5f8ca121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5b6d9fa8d0aed8b66d29e242116270989a2971a9fd1aa6aa94127ce5f8ca121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b6d9fa8d0aed8b66d29e242116270989a2971a9fd1aa6aa94127ce5f8ca121", kill_on_drop: false }`
[INFO] [stdout] a5b6d9fa8d0aed8b66d29e242116270989a2971a9fd1aa6aa94127ce5f8ca121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e8023c01cb420dafd23c5c619156584f0f96fba82fc982ef18269206b7764fc
[INFO] running `Command { std: "docker" "start" "-a" "7e8023c01cb420dafd23c5c619156584f0f96fba82fc982ef18269206b7764fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling serenity v0.9.4
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling flate2 v1.1.4
[INFO] [stderr]    Compiling uwl v0.6.0
[INFO] [stderr]    Compiling typemap_rev v0.1.5
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling command_attr v0.3.2
[INFO] [stderr]    Compiling rustls v0.18.1
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-rustls v0.14.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.3
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling async-tungstenite v0.9.3
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]    Compiling hyper-rustls v0.21.0
[INFO] [stderr]    Compiling reqwest v0.10.10
[INFO] [stderr]    Compiling yttrium_key_base v0.1.0
[INFO] [stderr] error: could not compile `serenity` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/733b47ea4b1b86216f14ef56e49440c33933f230/bin/rustc --crate-name serenity --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serenity-0.9.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="async-tungstenite"' --cfg 'feature="base64"' --cfg 'feature="builder"' --cfg 'feature="bytes"' --cfg 'feature="cache"' --cfg 'feature="client"' --cfg 'feature="command_attr"' --cfg 'feature="default"' --cfg 'feature="flate2"' --cfg 'feature="framework"' --cfg 'feature="gateway"' --cfg 'feature="http"' --cfg 'feature="model"' --cfg 'feature="reqwest"' --cfg 'feature="rustls_backend"' --cfg 'feature="standard_framework"' --cfg 'feature="static_assertions"' --cfg 'feature="typemap_rev"' --cfg 'feature="url"' --cfg 'feature="utils"' --cfg 'feature="uwl"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("absolute_ratelimits", "async-tungstenite", "audiopus", "base64", "builder", "byteorder", "bytes", "cache", "client", "collector", "command_attr", "default", "default_native_tls", "extras", "flate2", "framework", "gateway", "http", "model", "native_tls_backend", "rand", "reqwest", "rustls_backend", "standard_framework", "static_assertions", "typemap_rev", "url", "utils", "uwl", "voice", "xsalsa20poly1305"))' -C metadata=1a6ab6599b61cd60 -C extra-filename=-5488e205c33bddcd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-51731b9508a4227f.so --extern async_tungstenite=/opt/rustwide/target/debug/deps/libasync_tungstenite-0829a03f0b56c2c2.rmeta --extern base64=/opt/rustwide/target/debug/deps/libbase64-120b2f8e254ab812.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-ed512472f018a953.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-b76b9903525ed92b.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-221a6d8e119d8ece.rmeta --extern command_attr=/opt/rustwide/target/debug/deps/libcommand_attr-fafb89fffe91ac38.so --extern flate2=/opt/rustwide/target/debug/deps/libflate2-9258dc18d1274fb2.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-43b7503e32202f76.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-41bd0033924613c6.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0a2d88f24f21edc1.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9e2559a5dce50fac.rmeta --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-637a4f0624448cb4.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-4af8d22aab03eac1.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-d2e18fadad29eb16.rmeta --extern tracing_futures=/opt/rustwide/target/debug/deps/libtracing_futures-c1da929b001aaff9.rmeta --extern typemap_rev=/opt/rustwide/target/debug/deps/libtypemap_rev-532c74c5eb8f4fcc.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-3eb07e3f0fba9b42.rmeta --extern uwl=/opt/rustwide/target/debug/deps/libuwl-9110dd8f4703078e.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3 -L native=/opt/rustwide/target/debug/build/ring-4cd2fe1cf158040e/out` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "7e8023c01cb420dafd23c5c619156584f0f96fba82fc982ef18269206b7764fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8023c01cb420dafd23c5c619156584f0f96fba82fc982ef18269206b7764fc", kill_on_drop: false }`
[INFO] [stdout] 7e8023c01cb420dafd23c5c619156584f0f96fba82fc982ef18269206b7764fc