[INFO] cloning repository https://github.com/denglitong/data_structure_with_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/denglitong/data_structure_with_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenglitong%2Fdata_structure_with_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenglitong%2Fdata_structure_with_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 833e484d6eac5fdfe5b6605bd931593806eb8843
[INFO] documenting denglitong/data_structure_with_rust 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%2Fdenglitong%2Fdata_structure_with_rust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/denglitong/data_structure_with_rust 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/denglitong/data_structure_with_rust
[INFO] finished tweaking git repo https://github.com/denglitong/data_structure_with_rust
[INFO] tweaked toml for git repo https://github.com/denglitong/data_structure_with_rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/denglitong/data_structure_with_rust 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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 468125944fc554a71698fa064edc8c2c726665a70a9fe6f0ff6c03af9f3756de
[INFO] running `Command { std: "docker" "start" "-a" "468125944fc554a71698fa064edc8c2c726665a70a9fe6f0ff6c03af9f3756de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "468125944fc554a71698fa064edc8c2c726665a70a9fe6f0ff6c03af9f3756de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468125944fc554a71698fa064edc8c2c726665a70a9fe6f0ff6c03af9f3756de", kill_on_drop: false }`
[INFO] [stdout] 468125944fc554a71698fa064edc8c2c726665a70a9fe6f0ff6c03af9f3756de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 80fa395bf11cf88afc328f859b183b06176a1746286cc16005d577d7adc5b6c2
[INFO] running `Command { std: "docker" "start" "-a" "80fa395bf11cf88afc328f859b183b06176a1746286cc16005d577d7adc5b6c2", kill_on_drop: false }`
[INFO] [stderr]     Checking data_structure_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting data_structure_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Index`
[INFO] [stdout]  --> src/queue.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Index, IndexMut};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]    --> src/queue.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |     use std::collections::VecDeque;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> src/queue.rs:334:1
[INFO] [stdout]     |
[INFO] [stdout] 334 | mod tests_rust_vec_queue {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `Command { std: "docker" "inspect" "80fa395bf11cf88afc328f859b183b06176a1746286cc16005d577d7adc5b6c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80fa395bf11cf88afc328f859b183b06176a1746286cc16005d577d7adc5b6c2", kill_on_drop: false }`
[INFO] [stdout] 80fa395bf11cf88afc328f859b183b06176a1746286cc16005d577d7adc5b6c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] fe279e3b22562697eaac8e1c85db11bea96df235b0ea271bc63d791e1d571d36
[INFO] running `Command { std: "docker" "start" "-a" "fe279e3b22562697eaac8e1c85db11bea96df235b0ea271bc63d791e1d571d36", kill_on_drop: false }`
[INFO] [stderr]  Documenting data_structure_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "fe279e3b22562697eaac8e1c85db11bea96df235b0ea271bc63d791e1d571d36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe279e3b22562697eaac8e1c85db11bea96df235b0ea271bc63d791e1d571d36", kill_on_drop: false }`
[INFO] [stdout] fe279e3b22562697eaac8e1c85db11bea96df235b0ea271bc63d791e1d571d36