[INFO] cloning repository https://github.com/km-tr/rustlings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/km-tr/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkm-tr%2Frustlings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkm-tr%2Frustlings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 965bd57ff9b3f6c6e9cd16f6e5f779de68ce1f5f
[INFO] documenting km-tr/rustlings against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkm-tr%2Frustlings" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/km-tr/rustlings on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/km-tr/rustlings
[INFO] finished tweaking git repo https://github.com/km-tr/rustlings
[INFO] tweaked toml for git repo https://github.com/km-tr/rustlings written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.0
[INFO] [stderr]   Downloaded once_cell v1.12.0
[INFO] [stderr]   Downloaded syn v1.0.95
[INFO] [stderr]   Downloaded escargot v0.5.7
[INFO] [stderr]   Downloaded proc-macro2 v1.0.39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e0212c9b6b5b5d6a8e06e3bdb60c8a1c4d45d8066016f075a443b88e78c01d9
[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" "9e0212c9b6b5b5d6a8e06e3bdb60c8a1c4d45d8066016f075a443b88e78c01d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e0212c9b6b5b5d6a8e06e3bdb60c8a1c4d45d8066016f075a443b88e78c01d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e0212c9b6b5b5d6a8e06e3bdb60c8a1c4d45d8066016f075a443b88e78c01d9", kill_on_drop: false }`
[INFO] [stdout] 9e0212c9b6b5b5d6a8e06e3bdb60c8a1c4d45d8066016f075a443b88e78c01d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] e0798b553578cbcd64723390c563adff859e8ecade88ccd299462df77cb24c7d
[INFO] running `Command { std: "docker" "start" "-a" "e0798b553578cbcd64723390c563adff859e8ecade88ccd299462df77cb24c7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling escargot v0.5.7
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]  Documenting charcaters v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Data Types/Characters)
[INFO] [stderr]  Documenting installation v0.1.0 (/opt/rustwide/workdir/Introduction/Getting started/Installation)
[INFO] [stderr]  Documenting strings_intro v0.1.0 (/opt/rustwide/workdir/Common Collections/Strings/Intro)
[INFO] [stderr]  Documenting bringing_paths_into_scope_with_the_use_keyword v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Modules/Bringing Paths into Scope with the use Keyword)
[INFO] [stderr]  Documenting macro_test v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros and Modules Test/Test Task)
[INFO] [stderr]  Documenting about v0.1.0 (/opt/rustwide/workdir/Introduction/Getting started/About)
[INFO] [stderr]  Documenting variables_and_mutability v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Variables and Mutability)
[INFO] [stderr]  Documenting variables4 v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Variables 4)
[INFO] [stdout] error: expected identifier, found keyword `if`
[INFO] [stdout]   --> Common Programming Concepts/Data Types/Characters/src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     if your_character.is_alphabetic() {
[INFO] [stdout]    |     ^^ expected identifier, found keyword
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `:`, `;`, `=`, `@`, or `|`, found `your_character`
[INFO] [stdout]   --> Common Programming Concepts/Data Types/Characters/src/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     if your_character.is_alphabetic() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^ expected one of `:`, `;`, `=`, `@`, or `|`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `my_macro` in this scope
[INFO] [stdout]  --> Modules and Macros/Macros and Modules Test/Test Task/src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     if my_macro!("world!") != "Hello world!" {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting variables1 v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Variables 1)
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `macro_test`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name macro_test 'Modules and Macros/Macros and Modules Test/Test Task/src/main.rs' -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a02e8ea64ec127a3 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] [stderr] error: could not document `charcaters`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name charcaters 'Common Programming Concepts/Data Types/Characters/src/main.rs' -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a7e7f898adb59722 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e0798b553578cbcd64723390c563adff859e8ecade88ccd299462df77cb24c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0798b553578cbcd64723390c563adff859e8ecade88ccd299462df77cb24c7d", kill_on_drop: false }`
[INFO] [stdout] e0798b553578cbcd64723390c563adff859e8ecade88ccd299462df77cb24c7d