[INFO] cloning repository https://github.com/mehmetcansahin/crabler_test_project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mehmetcansahin/crabler_test_project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehmetcansahin%2Fcrabler_test_project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehmetcansahin%2Fcrabler_test_project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4dcb5f4ca4990037b9864a41b95147230f5f3597
[INFO] documenting mehmetcansahin/crabler_test_project 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%2Fmehmetcansahin%2Fcrabler_test_project" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mehmetcansahin/crabler_test_project 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/mehmetcansahin/crabler_test_project
[INFO] finished tweaking git repo https://github.com/mehmetcansahin/crabler_test_project
[INFO] tweaked toml for git repo https://github.com/mehmetcansahin/crabler_test_project written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate git repo https://github.com/mehmetcansahin/crabler_test_project 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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] ea4614e4df716e021038aa7657fa1c44c9c155ffff59934af8d7fc823cd2a5c4
[INFO] running `Command { std: "docker" "start" "-a" "ea4614e4df716e021038aa7657fa1c44c9c155ffff59934af8d7fc823cd2a5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea4614e4df716e021038aa7657fa1c44c9c155ffff59934af8d7fc823cd2a5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea4614e4df716e021038aa7657fa1c44c9c155ffff59934af8d7fc823cd2a5c4", kill_on_drop: false }`
[INFO] [stdout] ea4614e4df716e021038aa7657fa1c44c9c155ffff59934af8d7fc823cd2a5c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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] 55406a82cada4b8fffe0cb5945278a650df805a27384f82010ce75561992b0e4
[INFO] running `Command { std: "docker" "start" "-a" "55406a82cada4b8fffe0cb5945278a650df805a27384f82010ce75561992b0e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.31
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[INFO] [stderr]    Compiling serde v1.0.112
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.63
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling siphasher v0.3.3
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[INFO] [stderr]     Checking pin-project-lite v0.1.7
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[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.63
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[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling async-trait v0.1.35
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.63
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]    Compiling crabler_derive v0.1.5
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking js-sys v0.3.40
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking web-sys v0.3.40
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking piper v0.1.3
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking smol v0.1.12
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking async-std v1.6.1
[INFO] [stderr]     Checking markup5ever_arcdom v0.1.1
[INFO] [stderr]     Checking crabquery v0.1.6
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]     Checking crabler v0.1.11
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crabler-0.1.11/src/lib.rs:175:20
[INFO] [stdout]     |
[INFO] [stdout] 175 |             if let Some(output) = output {
[INFO] [stdout]     |                    ^^^^^^^^^^^^   ------ this expression has type `std::result::Result<WorkOutput, async_std::sync::RecvError>`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    expected enum `std::result::Result`, found enum `Option`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `std::result::Result<WorkOutput, async_std::sync::RecvError>`
[INFO] [stdout]                found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crabler-0.1.11/src/lib.rs:282:20
[INFO] [stdout]     |
[INFO] [stdout] 282 |             if let Some(workload) = workload {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^   -------- this expression has type `std::result::Result<Workload, async_std::sync::RecvError>`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    expected enum `std::result::Result`, found enum `Option`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `std::result::Result<Workload, async_std::sync::RecvError>`
[INFO] [stdout]                found enum `Option<_>`
[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 E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crabler` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "55406a82cada4b8fffe0cb5945278a650df805a27384f82010ce75561992b0e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55406a82cada4b8fffe0cb5945278a650df805a27384f82010ce75561992b0e4", kill_on_drop: false }`
[INFO] [stdout] 55406a82cada4b8fffe0cb5945278a650df805a27384f82010ce75561992b0e4
