[INFO] cloning repository https://github.com/lutianming/rustile
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lutianming/rustile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flutianming%2Frustile", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flutianming%2Frustile'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d415482664db41661d0b06ada6d08025cad91eeb
[INFO] documenting lutianming/rustile against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flutianming%2Frustile" "/workspace/builds/worker-105/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-105/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lutianming/rustile 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 git repo https://github.com/lutianming/rustile
[INFO] finished tweaking git repo https://github.com/lutianming/rustile
[INFO] tweaked toml for git repo https://github.com/lutianming/rustile written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate git repo https://github.com/lutianming/rustile 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] warning: dependency (x11) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex-syntax v0.1.2
[INFO] [stderr]   Downloaded x11 v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 31e4b992dcdab09fd5cc7a308ef4d14fd36fbe3c350106b0782a6481e2569880
[INFO] running `Command { std: "docker" "start" "-a" "31e4b992dcdab09fd5cc7a308ef4d14fd36fbe3c350106b0782a6481e2569880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31e4b992dcdab09fd5cc7a308ef4d14fd36fbe3c350106b0782a6481e2569880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e4b992dcdab09fd5cc7a308ef4d14fd36fbe3c350106b0782a6481e2569880", kill_on_drop: false }`
[INFO] [stdout] 31e4b992dcdab09fd5cc7a308ef4d14fd36fbe3c350106b0782a6481e2569880
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] d1dbc7cf3f609e9a0a991eb56bfb685d73d422e799965d406a7525f2585bab56
[INFO] running `Command { std: "docker" "start" "-a" "d1dbc7cf3f609e9a0a991eb56bfb685d73d422e799965d406a7525f2585bab56", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (x11) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.4
[INFO] [stderr]     Checking libc v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.1.2
[INFO] [stderr]     Checking log v0.3.1
[INFO] [stderr]    Compiling x11 v1.1.1
[INFO] [stderr]     Checking regex v0.1.33
[INFO] [stderr]     Checking env_logger v0.3.1
[INFO] [stderr]  Documenting rustile v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]  --> src/libx/mod.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![allow(unstable)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/core/layout.rs:188:40
[INFO] [stdout]     |
[INFO] [stdout] 188 |         decorate(client, id==focus_id);;
[INFO] [stdout]     |                                        ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.06s
[INFO] running `Command { std: "docker" "inspect" "d1dbc7cf3f609e9a0a991eb56bfb685d73d422e799965d406a7525f2585bab56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1dbc7cf3f609e9a0a991eb56bfb685d73d422e799965d406a7525f2585bab56", kill_on_drop: false }`
[INFO] [stdout] d1dbc7cf3f609e9a0a991eb56bfb685d73d422e799965d406a7525f2585bab56
