[INFO] cloning repository https://github.com/jonhoo/please-ignore
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonhoo/please-ignore" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhoo%2Fplease-ignore", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhoo%2Fplease-ignore'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85a172299fdebf13af49e763434c06ff3af61adf
[INFO] documenting jonhoo/please-ignore against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhoo%2Fplease-ignore" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonhoo/please-ignore 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 git repo https://github.com/jonhoo/please-ignore
[INFO] finished tweaking git repo https://github.com/jonhoo/please-ignore
[INFO] tweaked toml for git repo https://github.com/jonhoo/please-ignore written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/jonhoo/please-ignore already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] [stdout] 2502e74acddabfc1d4085f7b4fe681b1f9acce88bd6cc04f3215d9c8c8771ea2
[INFO] running `Command { std: "docker" "start" "-a" "2502e74acddabfc1d4085f7b4fe681b1f9acce88bd6cc04f3215d9c8c8771ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2502e74acddabfc1d4085f7b4fe681b1f9acce88bd6cc04f3215d9c8c8771ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2502e74acddabfc1d4085f7b4fe681b1f9acce88bd6cc04f3215d9c8c8771ea2", kill_on_drop: false }`
[INFO] [stdout] 2502e74acddabfc1d4085f7b4fe681b1f9acce88bd6cc04f3215d9c8c8771ea2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] [stdout] 05d920c66f76d96c61c8a5a49fe33a19d8a99e5f6e248fba43e30ec24b3af685
[INFO] running `Command { std: "docker" "start" "-a" "05d920c66f76d96c61c8a5a49fe33a19d8a99e5f6e248fba43e30ec24b3af685", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]    Compiling either v1.0.3
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking serde v0.9.11
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking bufstream v0.1.2
[INFO] [stderr]     Checking lazy_static v0.2.4
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking futures v0.1.10
[INFO] [stderr]    Compiling itertools v0.5.9
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking net2 v0.2.27
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking semver v0.2.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking mio v0.6.4
[INFO] [stderr]    Compiling tarpc-plugins v0.1.0 (https://github.com/jonhoo/tarpc.git?branch=pub#94b14dfe)
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking tokio-core v0.1.4
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/tarpc-30a8cd6656c1a0d4/94b14df/src/plugins/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin_registrar, rustc_private)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: a __rustc_plugin_registrar symbol must now be defined instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rustc_plugin`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/tarpc-30a8cd6656c1a0d4/94b14df/src/plugins/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate rustc_plugin;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/tarpc-30a8cd6656c1a0d4/94b14df/src/plugins/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate syntax;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `plugin_registrar` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/tarpc-30a8cd6656c1a0d4/94b14df/src/plugins/src/lib.rs:167:3
[INFO] [stdout]     |
[INFO] [stdout] 167 | #[plugin_registrar]
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `plugin_registrar` is in scope, but it is a function, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/tarpc-30a8cd6656c1a0d4/94b14df/src/plugins/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin_registrar, rustc_private)]
[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: E0463, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tarpc-plugins` due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "05d920c66f76d96c61c8a5a49fe33a19d8a99e5f6e248fba43e30ec24b3af685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d920c66f76d96c61c8a5a49fe33a19d8a99e5f6e248fba43e30ec24b3af685", kill_on_drop: false }`
[INFO] [stdout] 05d920c66f76d96c61c8a5a49fe33a19d8a99e5f6e248fba43e30ec24b3af685