[INFO] cloning repository https://github.com/C0RR1T/brainfuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/C0RR1T/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FC0RR1T%2Fbrainfuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FC0RR1T%2Fbrainfuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5207f1db4fcd54eb36090cc8c40c678c216d5507
[INFO] documenting C0RR1T/brainfuck 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%2FC0RR1T%2Fbrainfuck" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/C0RR1T/brainfuck 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/C0RR1T/brainfuck
[INFO] finished tweaking git repo https://github.com/C0RR1T/brainfuck
[INFO] tweaked toml for git repo https://github.com/C0RR1T/brainfuck written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/C0RR1T/brainfuck 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 90cdd9716c01d79d73e02eabb6b4f21cd22612fc4c28617af2ff644deaeb7e4e
[INFO] running `Command { std: "docker" "start" "-a" "90cdd9716c01d79d73e02eabb6b4f21cd22612fc4c28617af2ff644deaeb7e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90cdd9716c01d79d73e02eabb6b4f21cd22612fc4c28617af2ff644deaeb7e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90cdd9716c01d79d73e02eabb6b4f21cd22612fc4c28617af2ff644deaeb7e4e", kill_on_drop: false }`
[INFO] [stdout] 90cdd9716c01d79d73e02eabb6b4f21cd22612fc4c28617af2ff644deaeb7e4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] c35edd7ae2a95b819b88cdf5450650ecb10fd6ebf0eac59fb4facfce7950f849
[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" "c35edd7ae2a95b819b88cdf5450650ecb10fd6ebf0eac59fb4facfce7950f849", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking lexer v0.1.0 (/opt/rustwide/workdir/lexer)
[INFO] [stderr]     Checking owo-colors v3.4.0
[INFO] [stderr]  Documenting lexer v0.1.0 (/opt/rustwide/workdir/lexer)
[INFO] [stderr]     Checking peekmore v1.0.0
[INFO] [stderr]     Checking parser v0.1.0 (/opt/rustwide/workdir/parser)
[INFO] [stderr]  Documenting parser v0.1.0 (/opt/rustwide/workdir/parser)
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]    --> parser/src/lib.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn peek(&mut self) -> Option<LexerToken> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking error-messages v0.1.0 (/opt/rustwide/workdir/error-messages)
[INFO] [stderr]  Documenting error-messages v0.1.0 (/opt/rustwide/workdir/error-messages)
[INFO] [stdout] warning: unused return value of `str::<impl str>::repeat` that must be used
[INFO] [stdout]   --> error-messages/src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     " ".repeat(info_string.len() - 3);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting interpreter v0.2.0 (/opt/rustwide/workdir/interpreter)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.38s
[INFO] running `Command { std: "docker" "inspect" "c35edd7ae2a95b819b88cdf5450650ecb10fd6ebf0eac59fb4facfce7950f849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c35edd7ae2a95b819b88cdf5450650ecb10fd6ebf0eac59fb4facfce7950f849", kill_on_drop: false }`
[INFO] [stdout] c35edd7ae2a95b819b88cdf5450650ecb10fd6ebf0eac59fb4facfce7950f849
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 259bba73b8a62ee329c33201948225f2e877e2811ed45259d6e90c34d33f08c7
[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" "259bba73b8a62ee329c33201948225f2e877e2811ed45259d6e90c34d33f08c7", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "259bba73b8a62ee329c33201948225f2e877e2811ed45259d6e90c34d33f08c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "259bba73b8a62ee329c33201948225f2e877e2811ed45259d6e90c34d33f08c7", kill_on_drop: false }`
[INFO] [stdout] 259bba73b8a62ee329c33201948225f2e877e2811ed45259d6e90c34d33f08c7