[INFO] cloning repository https://github.com/markrepedersen/loblaw
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/markrepedersen/loblaw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkrepedersen%2Floblaw", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkrepedersen%2Floblaw'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4e91e183ca862fd7b9e034dd3a32be8ea982758
[INFO] documenting markrepedersen/loblaw against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkrepedersen%2Floblaw" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/markrepedersen/loblaw on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/markrepedersen/loblaw
[INFO] finished tweaking git repo https://github.com/markrepedersen/loblaw
[INFO] tweaked toml for git repo https://github.com/markrepedersen/loblaw written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/markrepedersen/loblaw already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bea7b4f2ea6338ada8bdb29bc6fd7d2b35a57692934e0034c5a57632a610e0b8
[INFO] running `Command { std: "docker" "start" "-a" "bea7b4f2ea6338ada8bdb29bc6fd7d2b35a57692934e0034c5a57632a610e0b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bea7b4f2ea6338ada8bdb29bc6fd7d2b35a57692934e0034c5a57632a610e0b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bea7b4f2ea6338ada8bdb29bc6fd7d2b35a57692934e0034c5a57632a610e0b8", kill_on_drop: false }`
[INFO] [stdout] bea7b4f2ea6338ada8bdb29bc6fd7d2b35a57692934e0034c5a57632a610e0b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7128896d1d93c317df6e1510798d33d0837901184de60ed77781cb4fb492ddd
[INFO] running `Command { std: "docker" "start" "-a" "b7128896d1d93c317df6e1510798d33d0837901184de60ed77781cb4fb492ddd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking bytes v0.5.5
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[INFO] [stderr]     Checking match_cfg v0.1.0
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[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]     Checking sha1 v0.6.0
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[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling httparse v1.3.4
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[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling actix-web-codegen v0.2.2
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pin-project v0.4.22
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[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking actix-threadpool v0.3.3
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[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking actix-service v1.0.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking trust-dns-proto v0.18.0-alpha.2
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking actix-utils v1.0.6
[INFO] [stderr]     Checking actix-server v1.0.3
[INFO] [stderr]     Checking actix-tls v1.0.0
[INFO] [stderr]     Checking actix-testing v1.0.1
[INFO] [stderr]     Checking trust-dns-resolver v0.18.0-alpha.2
[INFO] [stderr]     Checking trust-dns-resolver v0.19.5
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking actix-router v0.2.4
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking actix v0.10.0-alpha.3
[INFO] [stderr]     Checking actix-connect v1.0.2
[INFO] [stderr]     Checking actix-http v1.0.1
[INFO] [stderr]     Checking awc v1.0.1
[INFO] [stderr]     Checking actix-web v2.0.0
[INFO] [stderr]  Documenting loblaw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_alias_impl_trait, async_closure, bool_to_option)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `loblaw`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name loblaw src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern actix=/opt/rustwide/target/debug/deps/libactix-edd76680f7e68fb3.rmeta --extern actix_rt=/opt/rustwide/target/debug/deps/libactix_rt-c1d6b7a50069b373.rmeta --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-5ce6d27bb8c4c423.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-062561d8379a075b.so --extern clocksource=/opt/rustwide/target/debug/deps/libclocksource-8ad764a9c2116bc5.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-37914ae029d77c09.rmeta --extern pin_project=/opt/rustwide/target/debug/deps/libpin_project-bfed9405857d0bbe.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-898e78c8edad9ec6.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-98d5795e7d7b332e.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-04459cb20eb69d22.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-7a228953295d642d.rmeta --extern strum_macros=/opt/rustwide/target/debug/deps/libstrum_macros-e9d93dc79abc8541.so --extern tokio=/opt/rustwide/target/debug/deps/libtokio-2fcc012689d69dff.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-1722524bfd0a0a24.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b7128896d1d93c317df6e1510798d33d0837901184de60ed77781cb4fb492ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7128896d1d93c317df6e1510798d33d0837901184de60ed77781cb4fb492ddd", kill_on_drop: false }`
[INFO] [stdout] b7128896d1d93c317df6e1510798d33d0837901184de60ed77781cb4fb492ddd
