[INFO] fetching crate defs 0.1.0...
[INFO] documenting defs-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate defs 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate defs 0.1.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate defs 0.1.0
[INFO] finished tweaking crates.io crate defs 0.1.0
[INFO] tweaked toml for crates.io crate defs 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a45a3502b17b1b43b23dcba654de3ea5bd84b497b58ec2d8bf9a415be560aa5b
[INFO] running `Command { std: "docker" "start" "-a" "a45a3502b17b1b43b23dcba654de3ea5bd84b497b58ec2d8bf9a415be560aa5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a45a3502b17b1b43b23dcba654de3ea5bd84b497b58ec2d8bf9a415be560aa5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a45a3502b17b1b43b23dcba654de3ea5bd84b497b58ec2d8bf9a415be560aa5b", kill_on_drop: false }`
[INFO] [stdout] a45a3502b17b1b43b23dcba654de3ea5bd84b497b58ec2d8bf9a415be560aa5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dce495753e662f1a37cd5a2867c3b28463baffed2d539d5b15f21c9f6cc1ef41
[INFO] running `Command { std: "docker" "start" "-a" "dce495753e662f1a37cd5a2867c3b28463baffed2d539d5b15f21c9f6cc1ef41", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling proc-quote-impl v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking proc-quote v0.3.2
[INFO] [stderr]  Documenting defs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `proc_macro_error::proc_macro2`
[INFO] [stdout]  --> src/isel_pat.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     proc_macro2::{Group, Ident, Span},
[INFO] [stdout]   |     ^^^^^^^^^^^ could not find `proc_macro2` in `proc_macro_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `proc_macro2`
[INFO] [stdout]   --> src/isel_pat.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | type TS = proc_macro2::TokenStream;
[INFO] [stdout]    |           ^^^^^^^^^^^ use of undeclared crate or module `proc_macro2`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 16 | type TS = proc_macro::TokenStream;
[INFO] [stdout]    |           ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `defs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type proc-macro --crate-name defs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6a9092d942b1db43 -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro_error=/opt/rustwide/target/debug/deps/libproc_macro_error-aa9536c36b7a48cd.rmeta --extern proc_quote=/opt/rustwide/target/debug/deps/libproc_quote-7e447a65938ac0bb.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-5c0c673385477065.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-de42da40c6e1dfa8.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "dce495753e662f1a37cd5a2867c3b28463baffed2d539d5b15f21c9f6cc1ef41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dce495753e662f1a37cd5a2867c3b28463baffed2d539d5b15f21c9f6cc1ef41", kill_on_drop: false }`
[INFO] [stdout] dce495753e662f1a37cd5a2867c3b28463baffed2d539d5b15f21c9f6cc1ef41