[INFO] cloning repository https://github.com/ZachClayburn/CompilerDesign-Project2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZachClayburn/CompilerDesign-Project2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZachClayburn%2FCompilerDesign-Project2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZachClayburn%2FCompilerDesign-Project2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5943c0f008f9695a7b1a6e1c7771fe29319b8d5
[INFO] documenting ZachClayburn/CompilerDesign-Project2 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%2FZachClayburn%2FCompilerDesign-Project2" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZachClayburn/CompilerDesign-Project2 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/ZachClayburn/CompilerDesign-Project2
[INFO] finished tweaking git repo https://github.com/ZachClayburn/CompilerDesign-Project2
[INFO] tweaked toml for git repo https://github.com/ZachClayburn/CompilerDesign-Project2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ZachClayburn/CompilerDesign-Project2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded peeking_take_while v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] a9cb1e1dd333663c30790f878df6903091eca1f0d1a1d85af0765c4493862b93
[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" "a9cb1e1dd333663c30790f878df6903091eca1f0d1a1d85af0765c4493862b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9cb1e1dd333663c30790f878df6903091eca1f0d1a1d85af0765c4493862b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9cb1e1dd333663c30790f878df6903091eca1f0d1a1d85af0765c4493862b93", kill_on_drop: false }`
[INFO] [stdout] a9cb1e1dd333663c30790f878df6903091eca1f0d1a1d85af0765c4493862b93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 0c9231aad1d83e70e0407e3c6e09c722964b0ec610b7fd891ff6a35e26d2e8d6
[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" "0c9231aad1d83e70e0407e3c6e09c722964b0ec610b7fd891ff6a35e26d2e8d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking peeking_take_while v1.0.0
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking os_str_bytes v4.2.0
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking simple_logger v1.13.0
[INFO] [stderr]     Checking num-rational v0.4.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]     Checking clap v3.0.0-beta.5
[INFO] [stderr]     Checking compiler_design v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting compiler_design v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CodeGenError`
[INFO] [stdout]  --> src/codegen/symbol_table.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{CodeGenError, Result};
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `return_type`
[INFO] [stdout]  --> src/evaluation/symbol_table.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub return_type: ProcedureType,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.25s
[INFO] running `Command { std: "docker" "inspect" "0c9231aad1d83e70e0407e3c6e09c722964b0ec610b7fd891ff6a35e26d2e8d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c9231aad1d83e70e0407e3c6e09c722964b0ec610b7fd891ff6a35e26d2e8d6", kill_on_drop: false }`
[INFO] [stdout] 0c9231aad1d83e70e0407e3c6e09c722964b0ec610b7fd891ff6a35e26d2e8d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 6d41d4ff3ac894d05993b3f09dd3dd56aae34c537d53ec1ecf48d1c6bafc4e56
[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" "6d41d4ff3ac894d05993b3f09dd3dd56aae34c537d53ec1ecf48d1c6bafc4e56", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking peeking_take_while v1.0.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking os_str_bytes v4.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking simple_logger v1.13.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]     Checking clap v3.0.0-beta.5
[INFO] [stderr]  Documenting compiler_design v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.43s
[INFO] running `Command { std: "docker" "inspect" "6d41d4ff3ac894d05993b3f09dd3dd56aae34c537d53ec1ecf48d1c6bafc4e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d41d4ff3ac894d05993b3f09dd3dd56aae34c537d53ec1ecf48d1c6bafc4e56", kill_on_drop: false }`
[INFO] [stdout] 6d41d4ff3ac894d05993b3f09dd3dd56aae34c537d53ec1ecf48d1c6bafc4e56