[INFO] cloning repository https://github.com/blawesom/rust-url
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blawesom/rust-url" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblawesom%2Frust-url", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblawesom%2Frust-url'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ecc6944c49e20c37bde7aee1c5eec91b6c79603
[INFO] documenting blawesom/rust-url against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblawesom%2Frust-url" "/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/blawesom/rust-url on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blawesom/rust-url
[INFO] finished tweaking git repo https://github.com/blawesom/rust-url
[INFO] tweaked toml for git repo https://github.com/blawesom/rust-url written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/blawesom/rust-url already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7e40c9559cd3dba26928ed8c67d3f2bdba70cca02a6b649675eabe6fdedca666
[INFO] running `Command { std: "docker" "start" "-a" "7e40c9559cd3dba26928ed8c67d3f2bdba70cca02a6b649675eabe6fdedca666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e40c9559cd3dba26928ed8c67d3f2bdba70cca02a6b649675eabe6fdedca666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e40c9559cd3dba26928ed8c67d3f2bdba70cca02a6b649675eabe6fdedca666", kill_on_drop: false }`
[INFO] [stdout] 7e40c9559cd3dba26928ed8c67d3f2bdba70cca02a6b649675eabe6fdedca666
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6727400f0b5527f70ff0a2bc1df7bcca890e849099fc398a42ee6d0a42700ed5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6727400f0b5527f70ff0a2bc1df7bcca890e849099fc398a42ee6d0a42700ed5", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.26
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling openssl v0.10.21
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking miniz_oxide v0.2.1
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]     Checking encoding_rs v0.8.17
[INFO] [stderr]    Compiling openssl-sys v0.9.44
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking cookie v0.11.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking console v0.7.5
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-sync v0.1.5
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking h2 v0.1.18
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.19
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking hyper v0.12.28
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking cookie_store v0.5.1
[INFO] [stderr]     Checking reqwest v0.9.16
[INFO] [stderr]  Documenting rust-url v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `{`, found keyword `let`
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     if url
[INFO] [stdout]    |     -- this `if` expression has a condition, but no block
[INFO] [stdout] 35 |     
[INFO] [stdout] 36 |     let target_url = 
[INFO] [stdout]    |     ^^^ expected `{`
[INFO] [stdout]    |
[INFO] [stdout] help: try placing this code inside a block
[INFO] [stdout]    |
[INFO] [stdout] 36 |     { let target_url = 
[INFO] [stdout] 37 | 
[INFO] [stdout] 38 |     let body = reqwest::get(url)?
[INFO] [stdout] 39 |                     .text()?; }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are experimental
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     let body = reqwest::get(url)?
[INFO] [stdout] 39 | |                     .text()?;
[INFO] [stdout]    | |____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `rust-url`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name rust_url 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 clap=/opt/rustwide/target/debug/deps/libclap-7050c1217cdf09ac.rmeta --extern console=/opt/rustwide/target/debug/deps/libconsole-7981d363c24abc64.rmeta --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-76e4b947266e049c.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-8456fa30cecb7a1a.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "6727400f0b5527f70ff0a2bc1df7bcca890e849099fc398a42ee6d0a42700ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6727400f0b5527f70ff0a2bc1df7bcca890e849099fc398a42ee6d0a42700ed5", kill_on_drop: false }`
[INFO] [stdout] 6727400f0b5527f70ff0a2bc1df7bcca890e849099fc398a42ee6d0a42700ed5