[INFO] fetching crate btfm 0.21.1...
[INFO] checking btfm-0.21.1 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate btfm 0.21.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate btfm 0.21.1 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btfm 0.21.1
[INFO] finished tweaking crates.io crate btfm 0.21.1
[INFO] tweaked toml for crates.io crate btfm 0.21.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate btfm 0.21.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ulid v1.0.0
[INFO] [stderr]   Downloaded generator v0.7.3
[INFO] [stderr]   Downloaded aead v0.4.3
[INFO] [stderr]   Downloaded poly1305 v0.7.2
[INFO] [stderr]   Downloaded enum_primitive v0.1.1
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[INFO] [stderr]   Downloaded openssl-sys v0.9.83
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[INFO] [stderr]   Downloaded libflate v1.3.0
[INFO] [stderr]   Downloaded cmake v0.1.50
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[INFO] [stderr]   Downloaded gstreamer-audio-sys v0.20.0
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[INFO] [stderr]   Downloaded matrixmultiply v0.3.2
[INFO] [stderr]   Downloaded glib-sys v0.17.4
[INFO] [stderr]   Downloaded axum v0.6.12
[INFO] [stderr]   Downloaded serenity v0.11.5
[INFO] [stderr]   Downloaded gstreamer-sys v0.20.0
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[INFO] [stderr]   Downloaded arc-swap v1.6.0
[INFO] [stderr]   Downloaded async-tungstenite v0.17.2
[INFO] [stderr]   Downloaded pyo3-build-config v0.18.2
[INFO] [stderr]   Downloaded gio-sys v0.17.4
[INFO] [stderr]   Downloaded headers v0.3.8
[INFO] [stderr]   Downloaded matchit v0.7.0
[INFO] [stderr]   Downloaded headers-core v0.2.0
[INFO] [stderr]   Downloaded axum-core v0.3.3
[INFO] [stderr]   Downloaded spin v0.9.7
[INFO] [stderr]   Downloaded gstreamer-base v0.20.0
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[INFO] [stderr]   Downloaded option-operations v0.5.0
[INFO] [stderr]   Downloaded sqlx v0.6.3
[INFO] [stderr]   Downloaded symphonia-core v0.5.2
[INFO] [stderr]   Downloaded axum-server v0.4.7
[INFO] [stderr]   Downloaded glib-macros v0.17.6
[INFO] [stderr]   Downloaded ndarray v0.15.6
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.47.0
[INFO] [stderr]   Downloaded cfg-expr v0.14.0
[INFO] [stderr]   Downloaded gstreamer-base-sys v0.20.0
[INFO] [stderr]   Downloaded sqlx-core v0.6.3
[INFO] [stderr]   Downloaded num-complex v0.4.3
[INFO] [stderr]   Downloaded pyo3-ffi v0.18.2
[INFO] [stderr]   Downloaded pnet_macros v0.28.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.28.0
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.47.0
[INFO] [stderr]   Downloaded discortp v0.4.0
[INFO] [stderr]   Downloaded ordered-float v2.10.0
[INFO] [stderr]   Downloaded pyo3 v0.18.2
[INFO] [stderr]   Downloaded loom v0.5.6
[INFO] [stderr]   Downloaded multer v2.0.4
[INFO] [stderr]   Downloaded version-compare v0.1.1
[INFO] [stderr]   Downloaded numpy v0.18.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.47.0
[INFO] [stderr]   Downloaded pnet_base v0.28.0
[INFO] [stderr]   Downloaded sqlx-rt v0.6.3
[INFO] [stderr]   Downloaded errno v0.3.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.47.0
[INFO] [stderr]   Downloaded zstd-sys v2.0.7+zstd.1.5.4
[INFO] [stderr]   Downloaded sync_wrapper v0.1.2
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.47.0
[INFO] [stderr]   Downloaded btfm-api-structs v0.3.1
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.47.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.47.0
[INFO] [stderr]   Downloaded audiopus_sys v0.2.2
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.0
[INFO] [stderr]   Downloaded cached_proc_macro v0.16.0
[INFO] [stderr]   Downloaded hashbrown v0.13.2
[INFO] [stderr]   Downloaded muldiv v1.0.1
[INFO] [stderr]   Downloaded thesaurus v0.5.2
[INFO] [stderr]   Downloaded cpufeatures v0.2.6
[INFO] [stderr]   Downloaded serde_path_to_error v0.1.11
[INFO] [stderr]   Downloaded async_once v0.2.6
[INFO] [stderr]   Downloaded cached v0.42.0
[INFO] [stderr]   Downloaded rawpointer v0.2.1
[INFO] [stderr]   Downloaded unindent v0.1.11
[INFO] [stderr]   Downloaded unicode_categories v0.1.1
[INFO] [stderr]   Downloaded stringprep v0.1.2
[INFO] [stderr]   Downloaded tower-http v0.4.0
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.18.2
[INFO] [stderr]   Downloaded crc-catalog v2.2.0
[INFO] [stderr]   Downloaded sha-1 v0.10.1
[INFO] [stderr]   Downloaded serde-value v0.7.0
[INFO] [stderr]   Downloaded zeroize v1.3.0
[INFO] [stderr]   Downloaded command_attr v0.4.1
[INFO] [stderr]   Downloaded uwl v0.6.0
[INFO] [stderr]   Downloaded dotenvy v0.15.7
[INFO] [stderr]   Downloaded tungstenite v0.18.0
[INFO] [stderr]   Downloaded is-terminal v0.4.6
[INFO] [stderr]   Downloaded terminal_size v0.2.5
[INFO] [stderr]   Downloaded glib v0.17.5
[INFO] [stderr]   Downloaded gstreamer v0.20.3
[INFO] [stderr]   Downloaded tungstenite v0.17.3
[INFO] [stderr]   Downloaded streamcatcher v1.0.1
[INFO] [stderr]   Downloaded windows-targets v0.47.0
[INFO] [stderr]   Downloaded salsa20 v0.9.0
[INFO] [stderr]   Downloaded iana-time-zone v0.1.55
[INFO] [stderr]   Downloaded md-5 v0.10.5
[INFO] [stderr]   Downloaded indoc v1.0.9
[INFO] [stderr]   Downloaded serde_repr v0.1.12
[INFO] [stderr]   Downloaded typemap_rev v0.1.5
[INFO] [stderr]   Downloaded atoi v1.0.0
[INFO] [stderr]   Downloaded crc v3.0.1
[INFO] [stderr]   Downloaded whoami v1.4.0
[INFO] [stderr]   Downloaded libflate_lz77 v1.2.0
[INFO] [stderr]   Downloaded thesaurus-wordnet v0.2.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.18.0
[INFO] [stderr]   Downloaded songbird v0.3.1
[INFO] [stderr]   Downloaded sqlformat v0.2.1
[INFO] [stderr]   Downloaded gstreamer-audio v0.20.2
[INFO] [stderr]   Downloaded futures-intrusive v0.4.2
[INFO] [stderr]   Downloaded windows v0.47.0
[INFO] [stderr]   Downloaded base64 v0.20.0
[INFO] [stderr]   Downloaded xsalsa20poly1305 v0.8.0
[INFO] [stderr]   Downloaded rustix v0.37.5
[INFO] [stderr]   Downloaded system-deps v6.0.4
[INFO] [stderr]   Downloaded target-lexicon v0.12.6
[INFO] [stderr]   Downloaded sqlx-macros v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6ea78f4e30ec1856bf487794f5621cf2d0a45c38e98cecf1a25843ee4b4d02e
[INFO] running `Command { std: "docker" "start" "-a" "c6ea78f4e30ec1856bf487794f5621cf2d0a45c38e98cecf1a25843ee4b4d02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6ea78f4e30ec1856bf487794f5621cf2d0a45c38e98cecf1a25843ee4b4d02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6ea78f4e30ec1856bf487794f5621cf2d0a45c38e98cecf1a25843ee4b4d02e", kill_on_drop: false }`
[INFO] [stdout] c6ea78f4e30ec1856bf487794f5621cf2d0a45c38e98cecf1a25843ee4b4d02e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22732505bb86f31d8700c436842b0028e921c95f65f915daac88a47ee1e1889c
[INFO] running `Command { std: "docker" "start" "-a" "22732505bb86f31d8700c436842b0028e921c95f65f915daac88a47ee1e1889c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling winnow v0.4.1
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling cfg-expr v0.14.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]     Checking cpufeatures v0.2.6
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling syn v2.0.12
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling target-lexicon v0.12.6
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]    Compiling pyo3-build-config v0.18.2
[INFO] [stderr]    Compiling openssl v0.10.48
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rustix v0.37.5
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling openssl-sys v0.9.83
[INFO] [stderr]    Compiling zstd-sys v2.0.7+zstd.1.5.4
[INFO] [stderr]     Checking rustls-pemfile v1.0.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking linux-raw-sys v0.3.0
[INFO] [stderr]     Checking iana-time-zone v0.1.55
[INFO] [stderr]    Compiling rle-decode-fast v1.0.3
[INFO] [stderr]    Compiling libflate_lz77 v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]     Checking uuid v1.3.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling libflate v1.3.0
[INFO] [stderr]    Compiling audiopus_sys v0.2.2
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]    Compiling pyo3-ffi v0.18.2
[INFO] [stderr]     Checking option-operations v0.5.0
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]     Checking spin v0.9.7
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking muldiv v1.0.1
[INFO] [stderr]     Checking pretty-hex v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling crc-catalog v2.2.0
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling crc v3.0.1
[INFO] [stderr]     Checking anstyle-parse v0.1.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.18.2
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling pyo3 v0.18.2
[INFO] [stderr]    Compiling hkdf v0.12.3
[INFO] [stderr]    Compiling futures-intrusive v0.4.2
[INFO] [stderr]     Checking is-terminal v0.4.6
[INFO] [stderr]     Checking brotli-decompressor v2.3.4
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stderr]    Compiling atoi v1.0.0
[INFO] [stderr]    Compiling axum-core v0.3.3
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling md-5 v0.10.5
[INFO] [stderr]    Compiling hashlink v0.8.1
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking webpki-roots v0.22.6
[INFO] [stderr]    Compiling regex v1.7.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling multer v2.0.4
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking pnet_base v0.28.0
[INFO] [stderr]     Checking atomic_refcell v0.1.9
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking concolor-override v1.0.0
[INFO] [stderr]    Compiling serenity v0.11.5
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]     Checking anstyle v0.3.5
[INFO] [stderr]     Checking concolor-query v0.3.3
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]     Checking ipnet v2.7.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/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=0 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=d7ddb642843f6a9e -C extra-filename=-d7ddb642843f6a9e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-dc9a3d823c30bbb2.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7bdeb731bedfb01f.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-06eb5ecd65a06ce0.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "22732505bb86f31d8700c436842b0028e921c95f65f915daac88a47ee1e1889c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22732505bb86f31d8700c436842b0028e921c95f65f915daac88a47ee1e1889c", kill_on_drop: false }`
[INFO] [stdout] 22732505bb86f31d8700c436842b0028e921c95f65f915daac88a47ee1e1889c
