[INFO] fetching crate imgflip 0.1.0...
[INFO] documenting imgflip-0.1.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate imgflip 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate imgflip 0.1.0 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 crates.io crate imgflip 0.1.0
[INFO] finished tweaking crates.io crate imgflip 0.1.0
[INFO] tweaked toml for crates.io crate imgflip 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate imgflip 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b20cf3ce834e91499fa9da1e4663104f4ad80f314fecf3b42c35f61fe07d58cf
[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" "b20cf3ce834e91499fa9da1e4663104f4ad80f314fecf3b42c35f61fe07d58cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b20cf3ce834e91499fa9da1e4663104f4ad80f314fecf3b42c35f61fe07d58cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20cf3ce834e91499fa9da1e4663104f4ad80f314fecf3b42c35f61fe07d58cf", kill_on_drop: false }`
[INFO] [stdout] b20cf3ce834e91499fa9da1e4663104f4ad80f314fecf3b42c35f61fe07d58cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 176d35dca8219427ef28fb5b9b8543808d68435d7d55e315adaf621b7b3c6344
[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" "176d35dca8219427ef28fb5b9b8543808d68435d7d55e315adaf621b7b3c6344", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking data-encoding v2.2.0
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking openssl-sys v0.9.54
[INFO] [stderr]     Checking openssl v0.10.28
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking thiserror v1.0.14
[INFO] [stderr]     Checking futures-util v0.3.4
[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 futures-executor v0.3.4
[INFO] [stderr]     Checking h2 v0.2.2
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking hyper v0.13.4
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking serde_qs v0.5.2
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]  Documenting imgflip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `std:error:Error`
[INFO] [stdout]    --> src/lib.rs:227:15
[INFO] [stdout]     |
[INFO] [stdout] 227 | /// [`Error`](std:error:Error) implementation for all crate errors
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^ no item named `std:error:Error` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `imgflip::Client`
[INFO] [stdout]    --> src/lib.rs:296:23
[INFO] [stdout]     |
[INFO] [stdout] 296 | /// Unlike [`Client`](imgflip::Client) this requires an account on [imgflip.com](https://imgflip.com/signup).
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^ no item named `imgflip` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.44s
[INFO] running `Command { std: "docker" "inspect" "176d35dca8219427ef28fb5b9b8543808d68435d7d55e315adaf621b7b3c6344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176d35dca8219427ef28fb5b9b8543808d68435d7d55e315adaf621b7b3c6344", kill_on_drop: false }`
[INFO] [stdout] 176d35dca8219427ef28fb5b9b8543808d68435d7d55e315adaf621b7b3c6344
