[INFO] cloning repository https://github.com/barafael/rustdoc-including-readmes-with-images
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/barafael/rustdoc-including-readmes-with-images" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarafael%2Frustdoc-including-readmes-with-images", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarafael%2Frustdoc-including-readmes-with-images'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f568a2c178825aaf63735a86b1f423f1d01b71d
[INFO] checking barafael/rustdoc-including-readmes-with-images against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarafael%2Frustdoc-including-readmes-with-images" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/barafael/rustdoc-including-readmes-with-images on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/barafael/rustdoc-including-readmes-with-images
[INFO] finished tweaking git repo https://github.com/barafael/rustdoc-including-readmes-with-images
[INFO] tweaked toml for git repo https://github.com/barafael/rustdoc-including-readmes-with-images written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/barafael/rustdoc-including-readmes-with-images already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a742600348549996553c99f9bcc2d0875ada89486371060142202cde8c17957b
[INFO] running `Command { std: "docker" "start" "-a" "a742600348549996553c99f9bcc2d0875ada89486371060142202cde8c17957b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a742600348549996553c99f9bcc2d0875ada89486371060142202cde8c17957b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a742600348549996553c99f9bcc2d0875ada89486371060142202cde8c17957b", kill_on_drop: false }`
[INFO] [stdout] a742600348549996553c99f9bcc2d0875ada89486371060142202cde8c17957b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTFLAGS=--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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4fc3cb0bbba9300aea6ec8eeceeabcddf65d454b2e325e83ffca79da3a90330
[INFO] running `Command { std: "docker" "start" "-a" "a4fc3cb0bbba9300aea6ec8eeceeabcddf65d454b2e325e83ffca79da3a90330", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking test-docs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `somelib::*`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use somelib::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `somelib::*`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use somelib::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]  --> src/some_bin_module/mod.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn test() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]  --> src/some_bin_module/mod.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn test() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "a4fc3cb0bbba9300aea6ec8eeceeabcddf65d454b2e325e83ffca79da3a90330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4fc3cb0bbba9300aea6ec8eeceeabcddf65d454b2e325e83ffca79da3a90330", kill_on_drop: false }`
[INFO] [stdout] a4fc3cb0bbba9300aea6ec8eeceeabcddf65d454b2e325e83ffca79da3a90330
