[INFO] cloning repository https://github.com/yayoc/hn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yayoc/hn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyayoc%2Fhn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyayoc%2Fhn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d3971d5c374e8f08972e2f661bd5adc70d143f7
[INFO] documenting yayoc/hn 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%2Fyayoc%2Fhn" "/workspace/builds/worker-72/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-72/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yayoc/hn 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/yayoc/hn
[INFO] finished tweaking git repo https://github.com/yayoc/hn
[INFO] tweaked toml for git repo https://github.com/yayoc/hn written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate git repo https://github.com/yayoc/hn 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] a5c621ac9467a8493e8fcfa6736b3aedf7540fa924df62b03962fbab7021afbb
[INFO] running `Command { std: "docker" "start" "-a" "a5c621ac9467a8493e8fcfa6736b3aedf7540fa924df62b03962fbab7021afbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5c621ac9467a8493e8fcfa6736b3aedf7540fa924df62b03962fbab7021afbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5c621ac9467a8493e8fcfa6736b3aedf7540fa924df62b03962fbab7021afbb", kill_on_drop: false }`
[INFO] [stdout] a5c621ac9467a8493e8fcfa6736b3aedf7540fa924df62b03962fbab7021afbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 59b71a5519a69288a7af570d4977538d76bcb233f68fb29a310ff42defa28846
[INFO] running `Command { std: "docker" "start" "-a" "59b71a5519a69288a7af570d4977538d76bcb233f68fb29a310ff42defa28846", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
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[INFO] [stderr]    Compiling cc v1.0.46
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[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling version_check v0.1.5
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[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking itoa v0.4.4
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[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking rustc-demangle v0.1.16
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[INFO] [stderr]    Compiling failure_derive v0.1.6
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[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking itertools v0.8.1
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[INFO] [stderr]     Checking rand_core v0.3.1
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[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
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[INFO] [stderr]    Compiling parking_lot_core v0.6.2
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[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
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[INFO] [stderr]     Checking tui v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking assert-json-diff v1.0.0
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking mockito v0.21.0
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]  Documenting hn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(try_trait)]
[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 `hn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name hn 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 chrono=/opt/rustwide/target/debug/deps/libchrono-588c494e129a103a.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-14fde56a7868246e.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-950314d9859ac145.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-5e37eee3e84fafab.rmeta --extern mockito=/opt/rustwide/target/debug/deps/libmockito-df970857f3e6d6d2.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-45e1109e19c24ea9.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-2e0c2a0a225dc8e5.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-3c2ee065055c1d50.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-1095d7a1e21f8a3f.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-61f72e2287b5a745.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-e02fa3a2e2b5f49f.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-ef306f9871823bea.rmeta --extern webbrowser=/opt/rustwide/target/debug/deps/libwebbrowser-6bd379fc38935c72.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "59b71a5519a69288a7af570d4977538d76bcb233f68fb29a310ff42defa28846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59b71a5519a69288a7af570d4977538d76bcb233f68fb29a310ff42defa28846", kill_on_drop: false }`
[INFO] [stdout] 59b71a5519a69288a7af570d4977538d76bcb233f68fb29a310ff42defa28846
