[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] checking osmanmesutozcan/schwifty against master#f8c27dfe1a2e7fb538fd91dad53de06992c7c967 for pr-138915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosmanmesutozcan%2Fschwifty" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/osmanmesutozcan/schwifty on toolchain f8c27dfe1a2e7fb538fd91dad53de06992c7c967
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5-tc1/source/Cargo.toml
[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" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce4235f1f2733481d0a00879221527f5bc848c3490d08247696da2c6a4ab0663
[INFO] running `Command { std: "docker" "start" "-a" "ce4235f1f2733481d0a00879221527f5bc848c3490d08247696da2c6a4ab0663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce4235f1f2733481d0a00879221527f5bc848c3490d08247696da2c6a4ab0663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce4235f1f2733481d0a00879221527f5bc848c3490d08247696da2c6a4ab0663", kill_on_drop: false }`
[INFO] [stdout] ce4235f1f2733481d0a00879221527f5bc848c3490d08247696da2c6a4ab0663
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abbac4717f3db30415448055c225bbefc29e440b6e08ce348460a34e75e81306
[INFO] running `Command { std: "docker" "start" "-a" "abbac4717f3db30415448055c225bbefc29e440b6e08ce348460a34e75e81306", kill_on_drop: false }`
[INFO] [stderr]     Checking 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)]` 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] [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)]` 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 0.31s
[INFO] running `Command { std: "docker" "inspect" "abbac4717f3db30415448055c225bbefc29e440b6e08ce348460a34e75e81306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abbac4717f3db30415448055c225bbefc29e440b6e08ce348460a34e75e81306", kill_on_drop: false }`
[INFO] [stdout] abbac4717f3db30415448055c225bbefc29e440b6e08ce348460a34e75e81306