[INFO] cloning repository https://github.com/net3f/uptime-probe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/net3f/uptime-probe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnet3f%2Fuptime-probe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnet3f%2Fuptime-probe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc7164a4c0600ced3b101cb19fb507a29d8f90b0
[INFO] documenting net3f/uptime-probe 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%2Fnet3f%2Fuptime-probe" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/net3f/uptime-probe 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/net3f/uptime-probe
[INFO] finished tweaking git repo https://github.com/net3f/uptime-probe
[INFO] tweaked toml for git repo https://github.com/net3f/uptime-probe written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/net3f/uptime-probe 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]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v0.2.4
[INFO] [stderr]   Downloaded router v0.6.0
[INFO] [stderr]   Downloaded route-recognizer v0.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 6b1ac6e608edd41db0857d31808345ec6b67cc0a41705b345af560da9119c22e
[INFO] running `Command { std: "docker" "start" "-a" "6b1ac6e608edd41db0857d31808345ec6b67cc0a41705b345af560da9119c22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b1ac6e608edd41db0857d31808345ec6b67cc0a41705b345af560da9119c22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b1ac6e608edd41db0857d31808345ec6b67cc0a41705b345af560da9119c22e", kill_on_drop: false }`
[INFO] [stdout] 6b1ac6e608edd41db0857d31808345ec6b67cc0a41705b345af560da9119c22e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ed41a5955618549c41c74c43e50443da453be1f13c86c7521192ad61c83df346
[INFO] running `Command { std: "docker" "start" "-a" "ed41a5955618549c41c74c43e50443da453be1f13c86c7521192ad61c83df346", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `uptime-probe` in package `uptime_probe v0.4.0 (/opt/rustwide/workdir)` has the same output filename as the lib target `uptime_probe` in package `uptime_probe v0.4.0 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/doc/uptime_probe/index.html
[INFO] [stderr] The output filenames should be unique.
[INFO] [stderr] This is a known bug where multiple crates with the same name use
[INFO] [stderr] the same path; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] If this looks unexpected, it may be a bug in Cargo. Please file a bug report at
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/ with as much information as you
[INFO] [stderr] can provide.
[INFO] [stderr] cargo 1.55.0-beta (1f76a218b 2021-07-29) running on `x86_64-unknown-linux-gnu` target `x86_64-unknown-linux-gnu`
[INFO] [stderr] First unit: Unit { pkg: Package { id: PackageId { name: "uptime_probe", version: "0.4.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { name: "uptime-probe", doc: true, ..: with_path("/opt/rustwide/workdir/src/bin/uptime-probe.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [], is_std: false, dep_hash: 17037065943008278101 }
[INFO] [stderr] Second unit: Unit { pkg: Package { id: PackageId { name: "uptime_probe", version: "0.4.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { ..: lib_target("uptime_probe", ["lib"], "/opt/rustwide/workdir/src/lib.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [], is_std: false, dep_hash: 4841115096987838303 }
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]    Compiling protobuf v2.10.1
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking openssl-sys v0.9.54
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking openssl v0.10.28
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking iron v0.5.1
[INFO] [stderr]     Checking persistent v0.3.0
[INFO] [stderr]     Checking bodyparser v0.5.0
[INFO] [stderr]     Checking urlencoded v0.5.0
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking router v0.6.0
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking uptime_probe v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting uptime_probe v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[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] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `uptime_probe`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name uptime_probe src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern hyper=/opt/rustwide/target/debug/deps/libhyper-15ca96c64b719d96.rmeta --extern hyper_tls=/opt/rustwide/target/debug/deps/libhyper_tls-461d4c1f8930755e.rmeta --extern iron=/opt/rustwide/target/debug/deps/libiron-b63472520e74a823.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-5e37eee3e84fafab.rmeta --extern mime=/opt/rustwide/target/debug/deps/libmime-b1086d8aba06bfbf.rmeta --extern prometheus=/opt/rustwide/target/debug/deps/libprometheus-99570d630ba3e2ef.rmeta --extern router=/opt/rustwide/target/debug/deps/librouter-364ec47f07d113c3.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-95e24f9d8e6ebf10.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-0377f549447a107b.so --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-b8d7dda887636da2.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-e28297352059a3f0.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-69f8cc156e969bf1.rmeta --extern urlencoded=/opt/rustwide/target/debug/deps/liburlencoded-7505272dfffca688.rmeta --cap-lints=warn --crate-version 0.4.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ed41a5955618549c41c74c43e50443da453be1f13c86c7521192ad61c83df346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed41a5955618549c41c74c43e50443da453be1f13c86c7521192ad61c83df346", kill_on_drop: false }`
[INFO] [stdout] ed41a5955618549c41c74c43e50443da453be1f13c86c7521192ad61c83df346
