[INFO] fetching crate serenity-rich-interaction 0.2.6...
[INFO] building serenity-rich-interaction-0.2.6 against master#a7f375789bab1a4e4a291c963081a8ca7d2b6bd7 for pr-93180
[INFO] extracting crate serenity-rich-interaction 0.2.6 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate serenity-rich-interaction 0.2.6 on toolchain a7f375789bab1a4e4a291c963081a8ca7d2b6bd7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serenity-rich-interaction 0.2.6
[INFO] finished tweaking crates.io crate serenity-rich-interaction 0.2.6
[INFO] tweaked toml for crates.io crate serenity-rich-interaction 0.2.6 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "fetch" "--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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--no-deps" "--format-version=1", 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] cc1584b6a3546877d91becbc36a68229c53a2002180d761f7dcbe92fc33f98c3
[INFO] running `Command { std: "docker" "start" "-a" "cc1584b6a3546877d91becbc36a68229c53a2002180d761f7dcbe92fc33f98c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc1584b6a3546877d91becbc36a68229c53a2002180d761f7dcbe92fc33f98c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc1584b6a3546877d91becbc36a68229c53a2002180d761f7dcbe92fc33f98c3", kill_on_drop: false }`
[INFO] [stdout] cc1584b6a3546877d91becbc36a68229c53a2002180d761f7dcbe92fc33f98c3
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2366125f6398c2efc17d526a1030889b582ddb45dab7e2831278f670867d32f8
[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" "2366125f6398c2efc17d526a1030889b582ddb45dab7e2831278f670867d32f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling serenity v0.10.10
[INFO] [stderr]    Compiling typemap_rev v0.1.5
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling tokio v1.16.1
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling futures-executor v0.3.19
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling futures v0.3.19
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling async-tungstenite v0.11.0
[INFO] [stderr]    Compiling h2 v0.3.11
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling hyper v0.14.16
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.9
[INFO] [stderr]    Compiling serenity-rich-interaction v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `serenity`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serenity --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serenity-0.10.10/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="flate2"' --cfg 'feature="gateway"' --cfg 'feature="http"' --cfg 'feature="model"' --cfg 'feature="native_tls_backend"' --cfg 'feature="native_tls_backend_marker"' --cfg 'feature="reqwest"' --cfg 'feature="tokio"' --cfg 'feature="typemap_rev"' --cfg 'feature="url"' --cfg 'feature="utils"' -C metadata=44586f3093d5ca4b -C extra-filename=-44586f3093d5ca4b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-25efcc67c068c75d.so --extern async_tungstenite=/opt/rustwide/target/debug/deps/libasync_tungstenite-62772e824f2b640b.rmeta --extern base64=/opt/rustwide/target/debug/deps/libbase64-4563507a4eb0b4b2.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-05dfd5b5d1225bed.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-5e8424a0f7103369.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-69717581c93556a4.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-2d4e0f7417c6785c.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-2c5315fd1a810af3.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-b196e1663297fef1.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-1c84a1b862fbde05.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0ff59a7d7be0809b.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-bdfe0e61c1ddcf8c.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-af1fa5f4e65bdbc3.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-4ebf86cc16c91e01.rmeta --extern typemap_rev=/opt/rustwide/target/debug/deps/libtypemap_rev-8440fac5b01585a4.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-d12fc40f8e40722d.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2366125f6398c2efc17d526a1030889b582ddb45dab7e2831278f670867d32f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2366125f6398c2efc17d526a1030889b582ddb45dab7e2831278f670867d32f8", kill_on_drop: false }`
[INFO] [stdout] 2366125f6398c2efc17d526a1030889b582ddb45dab7e2831278f670867d32f8