[INFO] cloning repository https://github.com/eleanor-em/papervote
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eleanor-em/papervote" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feleanor-em%2Fpapervote", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feleanor-em%2Fpapervote'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 054a751ae1297f00ae0cf64663d3d0769bc0c542
[INFO] documenting eleanor-em/papervote against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feleanor-em%2Fpapervote" "/workspace/builds/worker-60/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-60/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eleanor-em/papervote 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] started tweaking git repo https://github.com/eleanor-em/papervote
[INFO] finished tweaking git repo https://github.com/eleanor-em/papervote
[INFO] tweaked toml for git repo https://github.com/eleanor-em/papervote written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] crate git repo https://github.com/eleanor-em/papervote 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/eleanor-em/cryptid`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded checked_int_cast v1.0.0
[INFO] [stderr]   Downloaded bytemuck v1.4.0
[INFO] [stderr]   Downloaded qrcode v0.12.0
[INFO] [stderr]   Downloaded time v0.2.17
[INFO] [stderr]   Downloaded indenter v0.3.0
[INFO] [stderr]   Downloaded confy v0.4.0
[INFO] [stderr]   Downloaded pom v3.1.0
[INFO] [stderr]   Downloaded tokio-postgres v0.5.5
[INFO] [stderr]   Downloaded rocket-multipart-form-data v0.9.5
[INFO] [stderr]   Downloaded eyre v0.6.0
[INFO] [stderr]   Downloaded postgres-protocol v0.5.2
[INFO] [stderr]   Downloaded postgres-types v0.1.2
[INFO] [stderr]   Downloaded packed_simd v0.3.3
[INFO] [stderr]   Downloaded printpdf v0.3.2
[INFO] [stderr]   Downloaded rayon-core v1.8.0
[INFO] [stderr]   Downloaded miniz_oxide v0.4.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.3
[INFO] [stderr]   Downloaded indexmap v1.5.2
[INFO] [stderr]   Downloaded tracing-core v0.1.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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] ba336cb2967ea5719bc6e5bfe9c9b9a41d1f5b7d81323cdd99c6ec1a30924a8c
[INFO] running `Command { std: "docker" "start" "-a" "ba336cb2967ea5719bc6e5bfe9c9b9a41d1f5b7d81323cdd99c6ec1a30924a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba336cb2967ea5719bc6e5bfe9c9b9a41d1f5b7d81323cdd99c6ec1a30924a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba336cb2967ea5719bc6e5bfe9c9b9a41d1f5b7d81323cdd99c6ec1a30924a8c", kill_on_drop: false }`
[INFO] [stdout] ba336cb2967ea5719bc6e5bfe9c9b9a41d1f5b7d81323cdd99c6ec1a30924a8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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] 522fe7f14eaa1e4662729695cbdb881f170ddef0cd31241d45fba6599179df94
[INFO] running `Command { std: "docker" "start" "-a" "522fe7f14eaa1e4662729695cbdb881f170ddef0cd31241d45fba6599179df94", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling packed_simd v0.3.3
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling eyre v0.6.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling indexmap v1.5.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]     Checking tracing-core v0.1.15
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-2.2.3/src/lib.rs:12:42
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![cfg_attr(feature = "nightly", feature(external_doc))]
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[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/github.com-1ecc6299db9ec823/subtle-2.2.3/src/lib.rs:12:34
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![cfg_attr(feature = "nightly", feature(external_doc))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `subtle` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "522fe7f14eaa1e4662729695cbdb881f170ddef0cd31241d45fba6599179df94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "522fe7f14eaa1e4662729695cbdb881f170ddef0cd31241d45fba6599179df94", kill_on_drop: false }`
[INFO] [stdout] 522fe7f14eaa1e4662729695cbdb881f170ddef0cd31241d45fba6599179df94
