[INFO] cloning repository https://github.com/andresilva/rust-okasaki
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andresilva/rust-okasaki" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandresilva%2Frust-okasaki", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandresilva%2Frust-okasaki'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da0f298d49be46ba9899f78944ec2b0fbbf64885
[INFO] documenting andresilva/rust-okasaki 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%2Fandresilva%2Frust-okasaki" "/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/andresilva/rust-okasaki 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/andresilva/rust-okasaki
[INFO] finished tweaking git repo https://github.com/andresilva/rust-okasaki
[INFO] tweaked toml for git repo https://github.com/andresilva/rust-okasaki written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/andresilva/rust-okasaki already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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-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" "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] 09d03125daa32db461704875eb9b4da2b2ad31285a9ffc0c4294031a368438d7
[INFO] running `Command { std: "docker" "start" "-a" "09d03125daa32db461704875eb9b4da2b2ad31285a9ffc0c4294031a368438d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09d03125daa32db461704875eb9b4da2b2ad31285a9ffc0c4294031a368438d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d03125daa32db461704875eb9b4da2b2ad31285a9ffc0c4294031a368438d7", kill_on_drop: false }`
[INFO] [stdout] 09d03125daa32db461704875eb9b4da2b2ad31285a9ffc0c4294031a368438d7
[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" "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] [stdout] 41817d659fcd4dfc676f2acfa171d698a8b74b046d30b08c7c997d7be56ec420
[INFO] running `Command { std: "docker" "start" "-a" "41817d659fcd4dfc676f2acfa171d698a8b74b046d30b08c7c997d7be56ec420", kill_on_drop: false }`
[INFO] [stderr]  Documenting okasaki v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::num::Int`
[INFO] [stdout]  --> src/tree.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::num::Int;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Int` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Float`
[INFO] [stdout]  --> src/tree_layout.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::num::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/heap.rs:184:16
[INFO] [stdout]     |
[INFO] [stdout] 184 |             if (root(t) < root(&t1)) {
[INFO] [stdout]     |                ^                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 184 -             if (root(t) < root(&t1)) {
[INFO] [stdout] 184 +             if root(t) < root(&t1) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/tree_layout.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |         for _ in (0..n) {
[INFO] [stdout]    |                  ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 -         for _ in (0..n) {
[INFO] [stdout] 14 +         for _ in 0..n {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `okasaki`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name okasaki src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6747cb5d40d1e7d2 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "41817d659fcd4dfc676f2acfa171d698a8b74b046d30b08c7c997d7be56ec420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41817d659fcd4dfc676f2acfa171d698a8b74b046d30b08c7c997d7be56ec420", kill_on_drop: false }`
[INFO] [stdout] 41817d659fcd4dfc676f2acfa171d698a8b74b046d30b08c7c997d7be56ec420