[INFO] cloning repository https://github.com/aarestad/writing-a-c-compiler-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aarestad/writing-a-c-compiler-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faarestad%2Fwriting-a-c-compiler-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faarestad%2Fwriting-a-c-compiler-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f65cc905669952d53d5075fa96e0e16e48cb16f
[INFO] checking aarestad/writing-a-c-compiler-rs against master#ba412a6e70ac84641be7764d088acabd0eb3fa39 for pr-145457
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faarestad%2Fwriting-a-c-compiler-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/aarestad/writing-a-c-compiler-rs
[INFO] finished tweaking git repo https://github.com/aarestad/writing-a-c-compiler-rs
[INFO] tweaked toml for git repo https://github.com/aarestad/writing-a-c-compiler-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aarestad/writing-a-c-compiler-rs on toolchain ba412a6e70ac84641be7764d088acabd0eb3fa39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aarestad/writing-a-c-compiler-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7732ee21f8217b6b6840342071d3eb29a3776ea2b19166a4493623d6e731697
[INFO] running `Command { std: "docker" "start" "-a" "a7732ee21f8217b6b6840342071d3eb29a3776ea2b19166a4493623d6e731697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7732ee21f8217b6b6840342071d3eb29a3776ea2b19166a4493623d6e731697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7732ee21f8217b6b6840342071d3eb29a3776ea2b19166a4493623d6e731697", kill_on_drop: false }`
[INFO] [stdout] a7732ee21f8217b6b6840342071d3eb29a3776ea2b19166a4493623d6e731697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6617ceda22589ca87e3e0f3a081ae27587798b6bb658675e839162088c3bb72a
[INFO] running `Command { std: "docker" "start" "-a" "6617ceda22589ca87e3e0f3a081ae27587798b6bb658675e839162088c3bb72a", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling logos-codegen v0.15.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling logos-derive v0.15.0
[INFO] [stderr]     Checking logos v0.15.0
[INFO] [stderr]     Checking nqcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Return` and `Constant` are never constructed
[INFO] [stdout]  --> src/parser.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) enum NqcNode {
[INFO] [stdout]   |                 ------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8 |     Return(Box<NqcNode>),
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 9 |     Constant(u64),
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `NqcNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_recurse` is never used
[INFO] [stdout]   --> src/parser.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse_recurse(tokens: Vec<TokenResult>) -> Result<Box<NqcNode>, CompilerError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Return` and `Constant` are never constructed
[INFO] [stdout]  --> src/parser.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) enum NqcNode {
[INFO] [stdout]   |                 ------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8 |     Return(Box<NqcNode>),
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 9 |     Constant(u64),
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `NqcNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_recurse` is never used
[INFO] [stdout]   --> src/parser.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse_recurse(tokens: Vec<TokenResult>) -> Result<Box<NqcNode>, CompilerError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.57s
[INFO] running `Command { std: "docker" "inspect" "6617ceda22589ca87e3e0f3a081ae27587798b6bb658675e839162088c3bb72a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6617ceda22589ca87e3e0f3a081ae27587798b6bb658675e839162088c3bb72a", kill_on_drop: false }`
[INFO] [stdout] 6617ceda22589ca87e3e0f3a081ae27587798b6bb658675e839162088c3bb72a