[INFO] fetching crate serwus 0.1.0...
[INFO] testing serwus-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate serwus 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate serwus 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serwus 0.1.0
[INFO] finished tweaking crates.io crate serwus 0.1.0
[INFO] tweaked toml for crates.io crate serwus 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded actix-multipart v0.6.1
[INFO] [stderr]   Downloaded actix v0.13.1
[INFO] [stderr]   Downloaded actix-multipart-derive v0.6.1
[INFO] [stderr]   Downloaded paperclip-core v0.6.2
[INFO] [stderr]   Downloaded parse-size v1.0.0
[INFO] [stderr]   Downloaded paperclip-macros v0.6.3
[INFO] [stderr]   Downloaded actix_derive v0.6.1
[INFO] [stderr]   Downloaded alcoholic_jwt v1.0.1
[INFO] [stderr]   Downloaded rust-argon2 v1.0.1
[INFO] [stderr]   Downloaded paperclip-actix v0.6.2
[INFO] [stderr]   Downloaded paperclip v0.8.2
[INFO] [stderr]   Downloaded serwus-derive v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bfba075310ccbb35f51d14f8c6a0af8bd57795ee6943a46636d343410096f81
[INFO] running `Command { std: "docker" "start" "-a" "2bfba075310ccbb35f51d14f8c6a0af8bd57795ee6943a46636d343410096f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bfba075310ccbb35f51d14f8c6a0af8bd57795ee6943a46636d343410096f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bfba075310ccbb35f51d14f8c6a0af8bd57795ee6943a46636d343410096f81", kill_on_drop: false }`
[INFO] [stdout] 2bfba075310ccbb35f51d14f8c6a0af8bd57795ee6943a46636d343410096f81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72e183a71472d08ff55c59f82e5a3c6e67b5b3dcacab2c7b3adc9d2c55246dc5
[INFO] running `Command { std: "docker" "start" "-a" "72e183a71472d08ff55c59f82e5a3c6e67b5b3dcacab2c7b3adc9d2c55246dc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling pkg-config v0.3.28
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling tokio v1.35.1
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling http v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling bytestring v1.3.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling zstd-safe v7.0.0
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling local-waker v0.1.4
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling actix-service v2.0.2
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling brotli-decompressor v2.5.1
[INFO] [stderr]    Compiling actix-utils v3.0.1
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling actix-rt v2.9.0
[INFO] [stderr]    Compiling brotli v3.4.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling actix-router v0.5.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling actix-macros v0.2.4
[INFO] [stderr]    Compiling local-channel v0.1.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling language-tags v0.3.2
[INFO] [stderr]    Compiling actix-web-codegen v4.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling actix-codec v0.5.1
[INFO] [stderr]    Compiling pq-sys v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling diesel_table_macro_syntax v0.1.0
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.7
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling constant_time_eq v0.3.0
[INFO] [stderr]    Compiling blake2b_simd v1.0.2
[INFO] [stderr]    Compiling h2 v0.3.22
[INFO] [stderr]    Compiling actix-server v2.3.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling pin-project v1.1.3
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling simple_asn1 v0.6.2
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling r2d2 v0.8.10
[INFO] [stderr]    Compiling diesel_derives v2.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.10
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling actix_derive v0.6.1
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling uuid v1.6.1
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling mutually_exclusive_features v0.0.3
[INFO] [stderr]    Compiling actix v0.13.1
[INFO] [stderr]    Compiling validator v0.16.1
[INFO] [stderr]    Compiling jsonwebtoken v8.3.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling rust-argon2 v1.0.1
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling serwus-derive v0.1.1
[INFO] [stderr]    Compiling diesel-derive-newtype v2.1.0
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling diesel v2.1.4
[INFO] [stderr]    Compiling zstd v0.13.0
[INFO] [stderr]    Compiling actix-http v3.5.1
[INFO] [stderr]    Compiling actix-web v4.4.1
[INFO] [stderr]    Compiling actix-cors v0.6.5
[INFO] [stderr]    Compiling tracing-actix-web v0.7.9
[INFO] [stderr]    Compiling serwus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | #![feature(result_flattening)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serwus` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "72e183a71472d08ff55c59f82e5a3c6e67b5b3dcacab2c7b3adc9d2c55246dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e183a71472d08ff55c59f82e5a3c6e67b5b3dcacab2c7b3adc9d2c55246dc5", kill_on_drop: false }`
[INFO] [stdout] 72e183a71472d08ff55c59f82e5a3c6e67b5b3dcacab2c7b3adc9d2c55246dc5
[INFO] testing serwus-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate serwus 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate serwus 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serwus 0.1.0
[INFO] finished tweaking crates.io crate serwus 0.1.0
[INFO] tweaked toml for crates.io crate serwus 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2da57351d62f364f3b086efe1cb363a4a717c954bee4c9537a089466257a94c6
[INFO] running `Command { std: "docker" "start" "-a" "2da57351d62f364f3b086efe1cb363a4a717c954bee4c9537a089466257a94c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2da57351d62f364f3b086efe1cb363a4a717c954bee4c9537a089466257a94c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da57351d62f364f3b086efe1cb363a4a717c954bee4c9537a089466257a94c6", kill_on_drop: false }`
[INFO] [stdout] 2da57351d62f364f3b086efe1cb363a4a717c954bee4c9537a089466257a94c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 779daa62fd5c59d90ead78f1679c093855d92a6b77d8978d8db27bc6dd9c64bd
[INFO] running `Command { std: "docker" "start" "-a" "779daa62fd5c59d90ead78f1679c093855d92a6b77d8978d8db27bc6dd9c64bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling pkg-config v0.3.28
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling tokio v1.35.1
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling http v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling bytestring v1.3.1
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling zstd-safe v7.0.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling local-waker v0.1.4
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling actix-service v2.0.2
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling brotli-decompressor v2.5.1
[INFO] [stderr]    Compiling actix-utils v3.0.1
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling brotli v3.4.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling actix-rt v2.9.0
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling actix-router v0.5.2
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling actix-macros v0.2.4
[INFO] [stderr]    Compiling local-channel v0.1.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling language-tags v0.3.2
[INFO] [stderr]    Compiling actix-web-codegen v4.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling actix-codec v0.5.1
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling pq-sys v0.4.8
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling diesel_table_macro_syntax v0.1.0
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.7
[INFO] [stderr]    Compiling constant_time_eq v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.22
[INFO] [stderr]    Compiling actix-server v2.3.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling blake2b_simd v1.0.2
[INFO] [stderr]    Compiling pin-project v1.1.3
[INFO] [stderr]    Compiling simple_asn1 v0.6.2
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling r2d2 v0.8.10
[INFO] [stderr]    Compiling diesel_derives v2.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.10
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling actix_derive v0.6.1
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling uuid v1.6.1
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling mutually_exclusive_features v0.0.3
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling actix v0.13.1
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling rust-argon2 v1.0.1
[INFO] [stderr]    Compiling jsonwebtoken v8.3.0
[INFO] [stderr]    Compiling validator v0.16.1
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling diesel-derive-newtype v2.1.0
[INFO] [stderr]    Compiling serwus-derive v0.1.1
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling diesel v2.1.4
[INFO] [stderr]    Compiling zstd v0.13.0
[INFO] [stderr]    Compiling actix-http v3.5.1
[INFO] [stderr]    Compiling actix-web v4.4.1
[INFO] [stderr]    Compiling actix-cors v0.6.5
[INFO] [stderr]    Compiling tracing-actix-web v0.7.9
[INFO] [stderr]    Compiling serwus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | #![feature(result_flattening)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serwus` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "779daa62fd5c59d90ead78f1679c093855d92a6b77d8978d8db27bc6dd9c64bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "779daa62fd5c59d90ead78f1679c093855d92a6b77d8978d8db27bc6dd9c64bd", kill_on_drop: false }`
[INFO] [stdout] 779daa62fd5c59d90ead78f1679c093855d92a6b77d8978d8db27bc6dd9c64bd
