[INFO] fetching crate frawk 0.4.2...
[INFO] documenting frawk-0.4.2 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate frawk 0.4.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate frawk 0.4.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/.cargo/config
[INFO] started tweaking crates.io crate frawk 0.4.2
[INFO] finished tweaking crates.io crate frawk 0.4.2
[INFO] tweaked toml for crates.io crate frawk 0.4.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate frawk 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded grep-cli v0.1.6
[INFO] [stderr]   Downloaded llvm-sys v100.2.1
[INFO] [stderr]   Downloaded cranelift-jit v0.75.0
[INFO] [stderr]   Downloaded cranelift-module v0.75.0
[INFO] [stderr]   Downloaded cranelift v0.75.0
[INFO] [stderr]   Downloaded lalrpop-util v0.17.2
[INFO] [stderr]   Downloaded ena v0.13.1
[INFO] [stderr]   Downloaded lalrpop v0.17.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4874aee01a150eb9285fb19ef266b8b736ff4edadd4f99ddfab50737d86273d
[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" "b4874aee01a150eb9285fb19ef266b8b736ff4edadd4f99ddfab50737d86273d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4874aee01a150eb9285fb19ef266b8b736ff4edadd4f99ddfab50737d86273d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4874aee01a150eb9285fb19ef266b8b736ff4edadd4f99ddfab50737d86273d", kill_on_drop: false }`
[INFO] [stdout] b4874aee01a150eb9285fb19ef266b8b736ff4edadd4f99ddfab50737d86273d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74f449f6ffdb502007448df5e1c5fc6dbf5d16df8e9904cf53bdbc17209a5f31
[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" "74f449f6ffdb502007448df5e1c5fc6dbf5d16df8e9904cf53bdbc17209a5f31", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.75.0
[INFO] [stderr]    Compiling cranelift-entity v0.75.0
[INFO] [stderr]    Compiling target-lexicon v0.12.1
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking bumpalo v3.7.0
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]     Checking cranelift-bforest v0.75.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.75.0
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling llvm-sys v100.2.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]     Checking assert_cmd v1.0.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking grep-cli v0.1.6
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling docopt v1.1.1
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling cranelift-codegen v0.75.0
[INFO] [stderr]    Compiling frawk v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cranelift-native v0.75.0
[INFO] [stderr]     Checking cranelift-module v0.75.0
[INFO] [stderr]     Checking cranelift-frontend v0.75.0
[INFO] [stderr]     Checking cranelift-jit v0.75.0
[INFO] [stderr]     Checking cranelift v0.75.0
[INFO] [stderr]     Checking jemallocator v0.3.2
[INFO] [stderr]  Documenting frawk v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "unstable", feature(core_intrinsics))]
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(feature = "unstable", feature(test))]
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![cfg_attr(feature = "unstable", feature(write_all_vectored))]
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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 document `frawk`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name frawk src/main.rs -o /opt/rustwide/target/doc --cfg 'feature="allow_avx2"' --cfg 'feature="default"' --cfg 'feature="jemallocator"' --cfg 'feature="llvm-sys"' --cfg 'feature="llvm_backend"' --cfg 'feature="unstable"' --cfg 'feature="use_jemalloc"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern assert_cmd=/opt/rustwide/target/debug/deps/libassert_cmd-7c6a1e052080e842.rmeta --extern bumpalo=/opt/rustwide/target/debug/deps/libbumpalo-1595e3b3c51270a9.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-949b7287e2e92eea.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-257d38b0c0db2b09.rmeta --extern cranelift=/opt/rustwide/target/debug/deps/libcranelift-660eaf3d6dc85b94.rmeta --extern cranelift_codegen=/opt/rustwide/target/debug/deps/libcranelift_codegen-be7502c722c135b5.rmeta --extern cranelift_frontend=/opt/rustwide/target/debug/deps/libcranelift_frontend-ad12d0eef440c141.rmeta --extern cranelift_jit=/opt/rustwide/target/debug/deps/libcranelift_jit-24f8cdc27f3684f3.rmeta --extern cranelift_module=/opt/rustwide/target/debug/deps/libcranelift_module-81e1c50c77175cc9.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-56f42acdcb82a6d6.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-03b7e06c02724cc6.rmeta --extern fast_float=/opt/rustwide/target/debug/deps/libfast_float-844156093fa7feab.rmeta --extern grep_cli=/opt/rustwide/target/debug/deps/libgrep_cli-73e04476570aa983.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-33b3676b43cab8c0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-f56cf71ed82f214f.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-a327e6296b20b37e.rmeta --extern jemallocator=/opt/rustwide/target/debug/deps/libjemallocator-30df6a88ed73c527.rmeta --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-5f1205831952c104.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-5e37eee3e84fafab.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-04e360533bde89f9.rmeta --extern llvm_sys=/opt/rustwide/target/debug/deps/libllvm_sys-7c7a27634251e012.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-c2496b5e92cddd22.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-b7892a1a620b6e6e.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-b728f708ddfc0fa7.so --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-cbeb1a27d1f126d6.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-6d8e001c2effcc0a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-fd7c22c517e8d025.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-96a402a674c39308.rmeta --extern ryu=/opt/rustwide/target/debug/deps/libryu-a5e5d2dfb2d42689.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-5c9dabf0e1cc6f75.rmeta --extern target_lexicon=/opt/rustwide/target/debug/deps/libtarget_lexicon-22bfd7d195bab0ea.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-df9024ba874fd4b0.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-6682ad4e538f07bd.rmeta --cap-lints=warn --crate-version 0.4.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "74f449f6ffdb502007448df5e1c5fc6dbf5d16df8e9904cf53bdbc17209a5f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74f449f6ffdb502007448df5e1c5fc6dbf5d16df8e9904cf53bdbc17209a5f31", kill_on_drop: false }`
[INFO] [stdout] 74f449f6ffdb502007448df5e1c5fc6dbf5d16df8e9904cf53bdbc17209a5f31
