[INFO] fetching crate kip_db 0.1.0-beta.0...
[INFO] documenting kip_db-0.1.0-beta.0 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate kip_db 0.1.0-beta.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate kip_db 0.1.0-beta.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate kip_db 0.1.0-beta.0
[INFO] finished tweaking crates.io crate kip_db 0.1.0-beta.0
[INFO] tweaked toml for crates.io crate kip_db 0.1.0-beta.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate kip_db 0.1.0-beta.0 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded growable-bloom-filter v2.0.1
[INFO] [stderr]   Downloaded tokio-test v0.4.2
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[INFO] [stderr]   Downloaded prost-derive v0.9.0
[INFO] [stderr]   Downloaded varuint v0.6.0
[INFO] [stderr]   Downloaded serde_bytes v0.11.7
[INFO] [stderr]   Downloaded xxhash-rust v0.8.6
[INFO] [stderr]   Downloaded prost-types v0.9.0
[INFO] [stderr]   Downloaded escargot v0.4.0
[INFO] [stderr]   Downloaded crossbeam-skiplist v0.1.1
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[INFO] [stderr]   Downloaded memmap2 v0.5.8
[INFO] [stderr]   Downloaded assert_cmd v0.11.1
[INFO] [stderr]   Downloaded prost v0.9.0
[INFO] [stderr]   Downloaded plotters v0.3.2
[INFO] [stderr]   Downloaded object v0.29.0
[INFO] [stderr]   Downloaded sled v0.34.7
[INFO] [stderr]   Downloaded gimli v0.26.2
[INFO] [stderr]   Downloaded optimistic_lock_coupling v0.2.5
[INFO] [stderr]   Downloaded prost-build v0.9.0
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfefd38eab962ad33ec8bf942cf3076e998068c25857e930cd7dc6193e4e72c1
[INFO] running `Command { std: "docker" "start" "-a" "cfefd38eab962ad33ec8bf942cf3076e998068c25857e930cd7dc6193e4e72c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfefd38eab962ad33ec8bf942cf3076e998068c25857e930cd7dc6193e4e72c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfefd38eab962ad33ec8bf942cf3076e998068c25857e930cd7dc6193e4e72c1", kill_on_drop: false }`
[INFO] [stdout] cfefd38eab962ad33ec8bf942cf3076e998068c25857e930cd7dc6193e4e72c1
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac1236962618b586d4cfde80945fc4fa313ab785f2006823cadfc211a8859910
[INFO] running `Command { std: "docker" "start" "-a" "ac1236962618b586d4cfde80945fc4fa313ab785f2006823cadfc211a8859910", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.55
[INFO] [stderr]    Compiling unicode-ident v1.0.2
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[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling futures-core v0.3.21
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[INFO] [stderr]    Compiling rustix v0.37.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking futures-sink v0.3.21
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[INFO] [stderr]     Checking linux-raw-sys v0.3.1
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[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-task v0.3.21
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[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking tracing-core v0.1.28
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[INFO] [stderr]    Compiling futures-util v0.3.21
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[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling syn v2.0.13
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]    Compiling crossbeam-skiplist v0.1.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking clap_lex v0.4.1
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking is-terminal v0.4.6
[INFO] [stderr]     Checking xxhash-rust v0.8.6
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking iana-time-zone v0.1.46
[INFO] [stderr]     Checking anstream v0.2.6
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]     Checking memmap2 v0.5.8
[INFO] [stderr]     Checking fslock v0.2.1
[INFO] [stderr]     Checking varuint v0.6.0
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking clap_builder v4.2.1
[INFO] [stderr]     Checking optimistic_lock_coupling v0.2.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/optimistic_lock_coupling-0.2.5/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(negative_impls)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/optimistic_lock_coupling-0.2.5/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/optimistic_lock_coupling-0.2.5/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(stmt_expr_attributes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `optimistic_lock_coupling` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ac1236962618b586d4cfde80945fc4fa313ab785f2006823cadfc211a8859910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac1236962618b586d4cfde80945fc4fa313ab785f2006823cadfc211a8859910", kill_on_drop: false }`
[INFO] [stdout] ac1236962618b586d4cfde80945fc4fa313ab785f2006823cadfc211a8859910
