[INFO] cloning repository https://github.com/layik/mdbook-rtl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/layik/mdbook-rtl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flayik%2Fmdbook-rtl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flayik%2Fmdbook-rtl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f4ceddd0bee06ffdc7bf5c03fac914e8c1c0e3b
[INFO] testing layik/mdbook-rtl against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flayik%2Fmdbook-rtl" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/layik/mdbook-rtl on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/layik/mdbook-rtl
[INFO] finished tweaking git repo https://github.com/layik/mdbook-rtl
[INFO] tweaked toml for git repo https://github.com/layik/mdbook-rtl written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/layik/mdbook-rtl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2632e11acd682fa476e7b3ed08a3cf05f4ca3fdcb6dc6f44f3d12b02177f694e
[INFO] running `Command { std: "docker" "start" "-a" "2632e11acd682fa476e7b3ed08a3cf05f4ca3fdcb6dc6f44f3d12b02177f694e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2632e11acd682fa476e7b3ed08a3cf05f4ca3fdcb6dc6f44f3d12b02177f694e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2632e11acd682fa476e7b3ed08a3cf05f4ca3fdcb6dc6f44f3d12b02177f694e", kill_on_drop: false }`
[INFO] [stdout] 2632e11acd682fa476e7b3ed08a3cf05f4ca3fdcb6dc6f44f3d12b02177f694e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4beca40143357cf9bba394e2e8a7a9f75a70f789c9e2151c25ba6c32506f017a
[INFO] running `Command { std: "docker" "start" "-a" "4beca40143357cf9bba394e2e8a7a9f75a70f789c9e2151c25ba6c32506f017a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mdbook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "4beca40143357cf9bba394e2e8a7a9f75a70f789c9e2151c25ba6c32506f017a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4beca40143357cf9bba394e2e8a7a9f75a70f789c9e2151c25ba6c32506f017a", kill_on_drop: false }`
[INFO] [stdout] 4beca40143357cf9bba394e2e8a7a9f75a70f789c9e2151c25ba6c32506f017a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 938cd7c3a9e5f1d19d4d0ccd5b82927b94f3c38ec190f59712195e687ec90269
[INFO] running `Command { std: "docker" "start" "-a" "938cd7c3a9e5f1d19d4d0ccd5b82927b94f3c38ec190f59712195e687ec90269", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdbook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "938cd7c3a9e5f1d19d4d0ccd5b82927b94f3c38ec190f59712195e687ec90269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938cd7c3a9e5f1d19d4d0ccd5b82927b94f3c38ec190f59712195e687ec90269", kill_on_drop: false }`
[INFO] [stdout] 938cd7c3a9e5f1d19d4d0ccd5b82927b94f3c38ec190f59712195e687ec90269
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9460d7657bfdb164296fc2869655b8c73834f2ff241af7ce80e348f72a6988d
[INFO] running `Command { std: "docker" "start" "-a" "d9460d7657bfdb164296fc2869655b8c73834f2ff241af7ce80e348f72a6988d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mdbook-283cd946249d498a)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d9460d7657bfdb164296fc2869655b8c73834f2ff241af7ce80e348f72a6988d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9460d7657bfdb164296fc2869655b8c73834f2ff241af7ce80e348f72a6988d", kill_on_drop: false }`
[INFO] [stdout] d9460d7657bfdb164296fc2869655b8c73834f2ff241af7ce80e348f72a6988d