[INFO] cloning repository https://github.com/louisstewart/AVLTreeRs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/louisstewart/AVLTreeRs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flouisstewart%2FAVLTreeRs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flouisstewart%2FAVLTreeRs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc90045787167a00d425ed9b96bccfb4d18de63f
[INFO] documenting louisstewart/AVLTreeRs against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flouisstewart%2FAVLTreeRs" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/louisstewart/AVLTreeRs on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/louisstewart/AVLTreeRs
[INFO] finished tweaking git repo https://github.com/louisstewart/AVLTreeRs
[INFO] tweaked toml for git repo https://github.com/louisstewart/AVLTreeRs written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/louisstewart/AVLTreeRs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7443c9ae9cd57791d05f700fa572b3a1a92448f2d0c66420162cf2aea43e2885
[INFO] running `Command { std: "docker" "start" "-a" "7443c9ae9cd57791d05f700fa572b3a1a92448f2d0c66420162cf2aea43e2885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7443c9ae9cd57791d05f700fa572b3a1a92448f2d0c66420162cf2aea43e2885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7443c9ae9cd57791d05f700fa572b3a1a92448f2d0c66420162cf2aea43e2885", kill_on_drop: false }`
[INFO] [stdout] 7443c9ae9cd57791d05f700fa572b3a1a92448f2d0c66420162cf2aea43e2885
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31eea59039e63f4f106857506ec650222a11f11f7cbf2ffd4c6bcf8378ab3c85
[INFO] running `Command { std: "docker" "start" "-a" "31eea59039e63f4f106857506ec650222a11f11f7cbf2ffd4c6bcf8378ab3c85", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]  Documenting tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found keyword `true`
[INFO] [stdout]   --> src/tree.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 self.root = Some(delete(node, val))
[INFO] [stdout]    |                                                    - expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 60 |                 true
[INFO] [stdout]    |                 ^^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found keyword `false`
[INFO] [stdout]   --> src/tree.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 self.root = None
[INFO] [stdout]    |                                 - expected one of 8 possible tokens
[INFO] [stdout] 64 |                 false
[INFO] [stdout]    |                 ^^^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `t` in this scope
[INFO] [stdout]    --> src/tree.rs:221:79
[INFO] [stdout]     |
[INFO] [stdout] 221 | fn remove_in<T: PartialEq + Ord + Display>(node : Option<Box<Node<T>>>, val : t)
[INFO] [stdout]     |              - similarly named type parameter `T` defined here                ^ help: a type parameter with a similar name exists: `T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `tree`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name tree src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-1c43acabe59be831.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "31eea59039e63f4f106857506ec650222a11f11f7cbf2ffd4c6bcf8378ab3c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31eea59039e63f4f106857506ec650222a11f11f7cbf2ffd4c6bcf8378ab3c85", kill_on_drop: false }`
[INFO] [stdout] 31eea59039e63f4f106857506ec650222a11f11f7cbf2ffd4c6bcf8378ab3c85
