[INFO] cloning repository https://github.com/Horovtom/Rust-Sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Horovtom/Rust-Sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHorovtom%2FRust-Sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHorovtom%2FRust-Sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f4fe7585c32c2d4d4b15b6a07e9b172b1498e67
[INFO] documenting Horovtom/Rust-Sandbox against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHorovtom%2FRust-Sandbox" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Horovtom/Rust-Sandbox on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Horovtom/Rust-Sandbox
[INFO] finished tweaking git repo https://github.com/Horovtom/Rust-Sandbox
[INFO] tweaked toml for git repo https://github.com/Horovtom/Rust-Sandbox written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Horovtom/Rust-Sandbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 008921a5d367cbace4319bf8c789d0a0c4aca2b86839d81f6f862461e4c39ebe
[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" "008921a5d367cbace4319bf8c789d0a0c4aca2b86839d81f6f862461e4c39ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "008921a5d367cbace4319bf8c789d0a0c4aca2b86839d81f6f862461e4c39ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "008921a5d367cbace4319bf8c789d0a0c4aca2b86839d81f6f862461e4c39ebe", kill_on_drop: false }`
[INFO] [stdout] 008921a5d367cbace4319bf8c789d0a0c4aca2b86839d81f6f862461e4c39ebe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 432364d081cf45b372615feaadab90b92a56ca6813d6c62ce96fcd7b54766be9
[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" "432364d081cf45b372615feaadab90b92a56ca6813d6c62ce96fcd7b54766be9", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0762]: unterminated character literal
[INFO] [stdout]   --> src/types.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let a2 = '\u{1F600};
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0762`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `rust_sandbox`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name rust_sandbox src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "432364d081cf45b372615feaadab90b92a56ca6813d6c62ce96fcd7b54766be9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "432364d081cf45b372615feaadab90b92a56ca6813d6c62ce96fcd7b54766be9", kill_on_drop: false }`
[INFO] [stdout] 432364d081cf45b372615feaadab90b92a56ca6813d6c62ce96fcd7b54766be9