[INFO] cloning repository https://github.com/tcr/rust-acorn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tcr/rust-acorn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcr%2Frust-acorn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcr%2Frust-acorn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 18da0981a78f94da2c35afbede7f199e26327d18 [INFO] documenting tcr/rust-acorn against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcr%2Frust-acorn" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tcr/rust-acorn 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/tcr/rust-acorn [INFO] finished tweaking git repo https://github.com/tcr/rust-acorn [INFO] tweaked toml for git repo https://github.com/tcr/rust-acorn written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/tcr/rust-acorn 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 974b451da47a1c066dcf4a0fdbfb9626a3f4c629808784c280623dcf5bfce0e2 [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" "974b451da47a1c066dcf4a0fdbfb9626a3f4c629808784c280623dcf5bfce0e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "974b451da47a1c066dcf4a0fdbfb9626a3f4c629808784c280623dcf5bfce0e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "974b451da47a1c066dcf4a0fdbfb9626a3f4c629808784c280623dcf5bfce0e2", kill_on_drop: false }` [INFO] [stdout] 974b451da47a1c066dcf4a0fdbfb9626a3f4c629808784c280623dcf5bfce0e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] da56a299663e949e32d0ee2e312efab01b7bed0043de63c504b3007e342d2755 [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" "da56a299663e949e32d0ee2e312efab01b7bed0043de63c504b3007e342d2755", kill_on_drop: false }` [INFO] [stderr] Documenting acorn v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error: incorrect unicode escape sequence [INFO] [stdout] --> src/acorn.rs:992:38 [INFO] [stdout] | [INFO] [stdout] 992 | 98 => {out.push('\u0008');; [INFO] [stdout] | ^^^--- [INFO] [stdout] | | [INFO] [stdout] | help: format of unicode escape sequences uses braces: `\u{0008}` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: incorrect unicode escape sequence [INFO] [stdout] --> src/acorn.rs:994:39 [INFO] [stdout] | [INFO] [stdout] 994 | 118 => {out.push('\u000b');; [INFO] [stdout] | ^^^--- [INFO] [stdout] | | [INFO] [stdout] | help: format of unicode escape sequences uses braces: `\u{000b}` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: incorrect unicode escape sequence [INFO] [stdout] --> src/acorn.rs:996:39 [INFO] [stdout] | [INFO] [stdout] 996 | 102 => {out.push('\u000c');; [INFO] [stdout] | ^^^--- [INFO] [stdout] | | [INFO] [stdout] | help: format of unicode escape sequences uses braces: `\u{000c}` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: incorrect unicode escape sequence [INFO] [stdout] --> src/acorn.rs:998:38 [INFO] [stdout] | [INFO] [stdout] 998 | 48 => {out.push('\u0000');; [INFO] [stdout] | ^^^--- [INFO] [stdout] | | [INFO] [stdout] | help: format of unicode escape sequences uses braces: `\u{0000}` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected type, found `|` [INFO] [stdout] --> src/acorn.rs:80:21 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn exec (regex: |arg:&str| -> bool, val:&str ) -> Option>> { [INFO] [stdout] | ^ expected type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected type, found `|` [INFO] [stdout] --> src/acorn.rs:104:21 [INFO] [stdout] | [INFO] [stdout] 104 | pub fn test (regex: |arg:&str| -> bool, val:&str ) -> bool { [INFO] [stdout] | ^ expected type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected type, found `|` [INFO] [stdout] --> src/acorn.rs:246:23 [INFO] [stdout] | [INFO] [stdout] 246 | const isReservedWord3:|arg:&str|:'static -> bool = predicate_0; [INFO] [stdout] | ^ expected type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `serialize` [INFO] [stdout] --> src/main.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | extern crate serialize; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stderr] error: Could not document `acorn`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type bin --crate-name acorn 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" "da56a299663e949e32d0ee2e312efab01b7bed0043de63c504b3007e342d2755", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da56a299663e949e32d0ee2e312efab01b7bed0043de63c504b3007e342d2755", kill_on_drop: false }` [INFO] [stdout] da56a299663e949e32d0ee2e312efab01b7bed0043de63c504b3007e342d2755