[INFO] cloning repository https://github.com/FutureSDR/FutureSDR
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FutureSDR/FutureSDR" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFutureSDR%2FFutureSDR", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFutureSDR%2FFutureSDR'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2bfac06214de025aaddd2f041a07dfe3be81a88
[INFO] documenting FutureSDR/FutureSDR against beta-2023-03-18 for beta-1.69-rustdoc-1.2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFutureSDR%2FFutureSDR" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FutureSDR/FutureSDR on toolchain beta-2023-03-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-03-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FutureSDR/FutureSDR
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/FutureSDR/FutureSDR
[INFO] tweaked toml for git repo https://github.com/FutureSDR/FutureSDR written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-03-18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/sprt/lttng-ust-rs.git`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-03-18" "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@sha256:6ef671f6951f6f7b82eaf49ad0b3b99466e493f2d9d82dd96208252612681f61" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-03-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b2b2c88fe32a4d8b47e9c403d64284505ef26de90f0eabb507db30dd46d6ba4
[INFO] running `Command { std: "docker" "start" "-a" "2b2b2c88fe32a4d8b47e9c403d64284505ef26de90f0eabb507db30dd46d6ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b2b2c88fe32a4d8b47e9c403d64284505ef26de90f0eabb507db30dd46d6ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b2b2c88fe32a4d8b47e9c403d64284505ef26de90f0eabb507db30dd46d6ba4", kill_on_drop: false }`
[INFO] [stdout] 2b2b2c88fe32a4d8b47e9c403d64284505ef26de90f0eabb507db30dd46d6ba4
[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@sha256:6ef671f6951f6f7b82eaf49ad0b3b99466e493f2d9d82dd96208252612681f61" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-03-18" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 271966424a289e9f303e21c260534abbbe73b03b03134f1d8977c772b9ca4875
[INFO] running `Command { std: "docker" "start" "-a" "271966424a289e9f303e21c260534abbbe73b03b03134f1d8977c772b9ca4875", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.55
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking concurrent-queue v2.1.0
[INFO] [stderr]    Compiling syn v2.0.13
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling polling v2.6.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]    Compiling rustix v0.37.6
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling axum-core v0.3.3
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking async-channel v1.8.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking atomic-waker v1.1.0
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking dlv-list v0.3.0
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking linux-raw-sys v0.3.1
[INFO] [stderr]     Checking cpufeatures v0.2.6
[INFO] [stderr]     Checking blocking v1.3.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling axum v0.6.12
[INFO] [stderr]     Checking ordered-multimap v0.4.3
[INFO] [stderr]    Compiling futuredsp v0.0.6 (/opt/rustwide/workdir/crates/futuredsp)
[INFO] [stderr]    Compiling rustfft v6.1.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]    Compiling async-net v1.7.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking rust-ini v0.18.0
[INFO] [stderr]     Checking primal-check v0.3.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking transpose v0.2.2
[INFO] [stderr]    Compiling futuresdr v0.0.32 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking http-range-header v0.3.0
[INFO] [stderr]     Checking dyn-clone v1.0.11
[INFO] [stderr]     Checking matchit v0.7.0
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking core_affinity v0.8.0
[INFO] [stderr]     Checking spin v0.9.7
[INFO] [stderr]     Checking async-executor v1.5.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> crates/futuredsp/src/lib.rs:4:43
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![cfg_attr(not(RUSTC_IS_STABLE), feature(core_intrinsics))]
[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 `futuredsp` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "271966424a289e9f303e21c260534abbbe73b03b03134f1d8977c772b9ca4875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "271966424a289e9f303e21c260534abbbe73b03b03134f1d8977c772b9ca4875", kill_on_drop: false }`
[INFO] [stdout] 271966424a289e9f303e21c260534abbbe73b03b03134f1d8977c772b9ca4875