[INFO] cloning repository https://github.com/osmanmesutozcan/schwifty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/osmanmesutozcan/schwifty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosmanmesutozcan%2Fschwifty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosmanmesutozcan%2Fschwifty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12bb9a832e51a990381227d47078a0a5ff223093
[INFO] building osmanmesutozcan/schwifty against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosmanmesutozcan%2Fschwifty" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/osmanmesutozcan/schwifty
[INFO] finished tweaking git repo https://github.com/osmanmesutozcan/schwifty
[INFO] tweaked toml for git repo https://github.com/osmanmesutozcan/schwifty written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/osmanmesutozcan/schwifty on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/osmanmesutozcan/schwifty 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4a3e31a52fbf2eb972af0fdc5b35184300635dce721d8cd89f2b013a0958380
[INFO] running `Command { std: "docker" "start" "-a" "c4a3e31a52fbf2eb972af0fdc5b35184300635dce721d8cd89f2b013a0958380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4a3e31a52fbf2eb972af0fdc5b35184300635dce721d8cd89f2b013a0958380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4a3e31a52fbf2eb972af0fdc5b35184300635dce721d8cd89f2b013a0958380", kill_on_drop: false }`
[INFO] [stdout] c4a3e31a52fbf2eb972af0fdc5b35184300635dce721d8cd89f2b013a0958380
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b57d19ae511cd95ec8d75663283575aec8716541783a70da27c9f7efab61c73b
[INFO] running `Command { std: "docker" "start" "-a" "b57d19ae511cd95ec8d75663283575aec8716541783a70da27c9f7efab61c73b", kill_on_drop: false }`
[INFO] [stderr]    Compiling schwifty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `TokenError` is never constructed
[INFO] [stdout]  --> src/lexer.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum TokenType {
[INFO] [stdout]   |          --------- variant in this enum
[INFO] [stdout] 8 |     TokenError,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `builtins` is never read
[INFO] [stdout]   --> src/eval.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Environment {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 11 |     builtins: HashMap<String, Token>
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `cdr` and `eq` are never used
[INFO] [stdout]   --> src/eval.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Environment {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn cdr(expression: Rc<Expression>) -> Rc<Expression> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn eq(&self, expression: Rc<Expression>) -> Rc<Expression> {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "b57d19ae511cd95ec8d75663283575aec8716541783a70da27c9f7efab61c73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b57d19ae511cd95ec8d75663283575aec8716541783a70da27c9f7efab61c73b", kill_on_drop: false }`
[INFO] [stdout] b57d19ae511cd95ec8d75663283575aec8716541783a70da27c9f7efab61c73b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7bde8890142a55a8caae84be13ea0172c3430023f6aecfbea9cd867d49a9fac
[INFO] running `Command { std: "docker" "start" "-a" "c7bde8890142a55a8caae84be13ea0172c3430023f6aecfbea9cd867d49a9fac", kill_on_drop: false }`
[INFO] [stderr]    Compiling schwifty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `TokenError` is never constructed
[INFO] [stdout]  --> src/lexer.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum TokenType {
[INFO] [stdout]   |          --------- variant in this enum
[INFO] [stdout] 8 |     TokenError,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `builtins` is never read
[INFO] [stdout]   --> src/eval.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Environment {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 11 |     builtins: HashMap<String, Token>
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `cdr` and `eq` are never used
[INFO] [stdout]   --> src/eval.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Environment {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn cdr(expression: Rc<Expression>) -> Rc<Expression> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn eq(&self, expression: Rc<Expression>) -> Rc<Expression> {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "c7bde8890142a55a8caae84be13ea0172c3430023f6aecfbea9cd867d49a9fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7bde8890142a55a8caae84be13ea0172c3430023f6aecfbea9cd867d49a9fac", kill_on_drop: false }`
[INFO] [stdout] c7bde8890142a55a8caae84be13ea0172c3430023f6aecfbea9cd867d49a9fac