[INFO] cloning repository https://github.com/jmacIndy/cpu-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmacIndy/cpu-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjmacIndy%2Fcpu-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjmacIndy%2Fcpu-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0820598d5b61e534500a9ed52859c75c89a1141e
[INFO] documenting jmacIndy/cpu-rust against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjmacIndy%2Fcpu-rust" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmacIndy/cpu-rust on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmacIndy/cpu-rust
[INFO] finished tweaking git repo https://github.com/jmacIndy/cpu-rust
[INFO] tweaked toml for git repo https://github.com/jmacIndy/cpu-rust written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/jmacIndy/cpu-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 274f6e9b63f80bf43322597ad2e9dae0caf422d4d7cc30ab426ce22f9cf1f53d
[INFO] running `Command { std: "docker" "start" "-a" "274f6e9b63f80bf43322597ad2e9dae0caf422d4d7cc30ab426ce22f9cf1f53d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "274f6e9b63f80bf43322597ad2e9dae0caf422d4d7cc30ab426ce22f9cf1f53d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "274f6e9b63f80bf43322597ad2e9dae0caf422d4d7cc30ab426ce22f9cf1f53d", kill_on_drop: false }`
[INFO] [stdout] 274f6e9b63f80bf43322597ad2e9dae0caf422d4d7cc30ab426ce22f9cf1f53d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77652d837f0a88eb634952025801dad82309c228e59df188b96dab8789922913
[INFO] running `Command { std: "docker" "start" "-a" "77652d837f0a88eb634952025801dad82309c228e59df188b96dab8789922913", kill_on_drop: false }`
[INFO] [stderr]  Documenting cpur v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cpur v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/memory.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/cpu.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/heap.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/stack.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/ops.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]   --> src/ops.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         stack: &mut Stack)
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `Command { std: "docker" "inspect" "77652d837f0a88eb634952025801dad82309c228e59df188b96dab8789922913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77652d837f0a88eb634952025801dad82309c228e59df188b96dab8789922913", kill_on_drop: false }`
[INFO] [stdout] 77652d837f0a88eb634952025801dad82309c228e59df188b96dab8789922913
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] d6e7c7b8920f15fa39a576f09acee03ae0fae247b4a9817e9b86de16e7f09d1f
[INFO] running `Command { std: "docker" "start" "-a" "d6e7c7b8920f15fa39a576f09acee03ae0fae247b4a9817e9b86de16e7f09d1f", kill_on_drop: false }`
[INFO] [stderr]  Documenting cpur v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "d6e7c7b8920f15fa39a576f09acee03ae0fae247b4a9817e9b86de16e7f09d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6e7c7b8920f15fa39a576f09acee03ae0fae247b4a9817e9b86de16e7f09d1f", kill_on_drop: false }`
[INFO] [stdout] d6e7c7b8920f15fa39a576f09acee03ae0fae247b4a9817e9b86de16e7f09d1f