[INFO] fetching crate voila 3.4.0...
[INFO] documenting voila-3.4.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate voila 3.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate voila 3.4.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate voila 3.4.0
[INFO] finished tweaking crates.io crate voila 3.4.0
[INFO] tweaked toml for crates.io crate voila 3.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate voila 3.4.0 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-width v0.1.5
[INFO] [stderr]   Downloaded path-dedot v3.0.14
[INFO] [stderr]   Downloaded beef v0.5.1
[INFO] [stderr]   Downloaded path-absolutize v3.0.11
[INFO] [stderr]   Downloaded byte-unit v4.0.13
[INFO] [stderr]   Downloaded serde_json v1.0.70
[INFO] [stderr]   Downloaded tinytest v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9a5eeba8c4b370a1710964bc245a32b72d14a858ea88b27018ffce84f0c2a9c
[INFO] running `Command { std: "docker" "start" "-a" "a9a5eeba8c4b370a1710964bc245a32b72d14a858ea88b27018ffce84f0c2a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9a5eeba8c4b370a1710964bc245a32b72d14a858ea88b27018ffce84f0c2a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9a5eeba8c4b370a1710964bc245a32b72d14a858ea88b27018ffce84f0c2a9c", kill_on_drop: false }`
[INFO] [stdout] a9a5eeba8c4b370a1710964bc245a32b72d14a858ea88b27018ffce84f0c2a9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e88edb4ff31fc447adce3533922fa49f3dd2fc61bcf775694207c8b9947199ca
[INFO] running `Command { std: "docker" "start" "-a" "e88edb4ff31fc447adce3533922fa49f3dd2fc61bcf775694207c8b9947199ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking path-dedot v3.0.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking utf8-width v0.1.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking byte-unit v4.0.13
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking path-absolutize v3.0.11
[INFO] [stderr]     Checking tar v0.4.37
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking tinytest v0.1.1
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling enum_dispatch v0.3.7
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]  Documenting voila v3.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::lazy`
[INFO] [stdout]  --> src/interpreter/cache.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::lazy::OnceCell;
[INFO] [stdout]   |          ^^^^ could not find `lazy` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(format_args_capture)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `format_args_capture` has been stable since `1.58.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(once_cell)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(decl_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `voila`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name voila src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=85c75713746564fc -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-be3732221f63218a.rmeta --extern async_stream=/opt/rustwide/target/debug/deps/libasync_stream-c210ce29489a7fe8.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-1c121f1082a06976.so --extern bincode=/opt/rustwide/target/debug/deps/libbincode-b09ce725cded9538.rmeta --extern byte_unit=/opt/rustwide/target/debug/deps/libbyte_unit-8c19c78d033c17cb.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-49ca83a7c08beb3d.rmeta --extern enum_dispatch=/opt/rustwide/target/debug/deps/libenum_dispatch-5349f34347671fae.so --extern flate2=/opt/rustwide/target/debug/deps/libflate2-3dcf4c919921270d.rmeta --extern fs_extra=/opt/rustwide/target/debug/deps/libfs_extra-0a64de3635b2d2f2.rmeta --extern logos=/opt/rustwide/target/debug/deps/liblogos-f6f5268e537f0c1c.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-3bc2651a937f1c9d.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-44fd9511325e9973.rmeta --extern path_absolutize=/opt/rustwide/target/debug/deps/libpath_absolutize-2a22a7bc1955b01f.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-0752d5e6ac346e36.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-413cf2ff7eec9765.rmeta --extern ring=/opt/rustwide/target/debug/deps/libring-e546bdf439dfdc41.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-47fdeaee63668963.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-ee10c7b5bf5f56ce.so --extern sha1=/opt/rustwide/target/debug/deps/libsha1-dcc5778782febd1b.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-3743612b18a4d1ff.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-9006e15574fc18f6.rmeta --extern tar=/opt/rustwide/target/debug/deps/libtar-cfc6c3459c92df62.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-2119c6f2c4889bce.rmeta --extern tinytest=/opt/rustwide/target/debug/deps/libtinytest-c0595bf94cd5ae30.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-e7b80d88e2d14cb7.rmeta --cap-lints=warn --crate-version 3.4.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e88edb4ff31fc447adce3533922fa49f3dd2fc61bcf775694207c8b9947199ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e88edb4ff31fc447adce3533922fa49f3dd2fc61bcf775694207c8b9947199ca", kill_on_drop: false }`
[INFO] [stdout] e88edb4ff31fc447adce3533922fa49f3dd2fc61bcf775694207c8b9947199ca
