[INFO] cloning repository https://github.com/msrd0/docker-element
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/msrd0/docker-element" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsrd0%2Fdocker-element", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsrd0%2Fdocker-element'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be80650ec376f893f099fd2457f9ad075fa55892
[INFO] documenting msrd0/docker-element 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%2Fmsrd0%2Fdocker-element" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/msrd0/docker-element 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/msrd0/docker-element
[INFO] finished tweaking git repo https://github.com/msrd0/docker-element
[INFO] tweaked toml for git repo https://github.com/msrd0/docker-element written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/msrd0/docker-element 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ea822d2b71f131547a0b4671840739e5464be3ca96da4f9a650c655c25a1506c
[INFO] running `Command { std: "docker" "start" "-a" "ea822d2b71f131547a0b4671840739e5464be3ca96da4f9a650c655c25a1506c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea822d2b71f131547a0b4671840739e5464be3ca96da4f9a650c655c25a1506c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea822d2b71f131547a0b4671840739e5464be3ca96da4f9a650c655c25a1506c", kill_on_drop: false }`
[INFO] [stdout] ea822d2b71f131547a0b4671840739e5464be3ca96da4f9a650c655c25a1506c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] b14fb89e842721a7bd36d9576ad8bd60df2d67dfb905e1ee7de9334b2f2c9c5e
[INFO] running `Command { std: "docker" "start" "-a" "b14fb89e842721a7bd36d9576ad8bd60df2d67dfb905e1ee7de9334b2f2c9c5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking wildmatch v2.1.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking borrow-bag v1.1.0
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling cookie v0.15.1
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking attohttpc v0.19.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking hyper v0.14.19
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking gotham v0.7.1
[INFO] [stderr]  Documenting element v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `ELEMENT_VERSION` not defined
[INFO] [stdout]   --> src/main.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |         "version" => println!("{}", env!("ELEMENT_VERSION")),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `element`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name element src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=9901da31016d3e9a -L dependency=/opt/rustwide/target/debug/deps --extern attohttpc=/opt/rustwide/target/debug/deps/libattohttpc-637d989fe4ea26bb.rmeta --extern gotham=/opt/rustwide/target/debug/deps/libgotham-37e5fb9ff0a4d610.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-9ac4f65a4b7e7052.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-7e857056e73ab28e.rmeta --cap-lints=warn --crate-version 0.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b14fb89e842721a7bd36d9576ad8bd60df2d67dfb905e1ee7de9334b2f2c9c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b14fb89e842721a7bd36d9576ad8bd60df2d67dfb905e1ee7de9334b2f2c9c5e", kill_on_drop: false }`
[INFO] [stdout] b14fb89e842721a7bd36d9576ad8bd60df2d67dfb905e1ee7de9334b2f2c9c5e