[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] testing osmanmesutozcan/schwifty against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosmanmesutozcan%2Fschwifty" "/workspace/builds/worker-57/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-57/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/osmanmesutozcan/schwifty on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-57/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: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0c20e3adcd7a78dae896fbc17a30fe1b731aee952b19a7c84f78d1489c76a51
[INFO] running `Command { std: "docker" "start" "-a" "d0c20e3adcd7a78dae896fbc17a30fe1b731aee952b19a7c84f78d1489c76a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0c20e3adcd7a78dae896fbc17a30fe1b731aee952b19a7c84f78d1489c76a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0c20e3adcd7a78dae896fbc17a30fe1b731aee952b19a7c84f78d1489c76a51", kill_on_drop: false }`
[INFO] [stdout] d0c20e3adcd7a78dae896fbc17a30fe1b731aee952b19a7c84f78d1489c76a51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e0f13c993e498e2f8d66d5c9e0a7fe73567b18f8d6cc04cc6fc5e12be2f8d93
[INFO] running `Command { std: "docker" "start" "-a" "5e0f13c993e498e2f8d66d5c9e0a7fe73567b18f8d6cc04cc6fc5e12be2f8d93", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling schwifty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `TokenError`
[INFO] [stdout]  --> src/lexer.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     TokenError,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `builtins`
[INFO] [stdout]   --> src/eval.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     builtins: HashMap<String, Token>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cdr`
[INFO] [stdout]   --> src/eval.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn cdr(expression: Rc<Expression>) -> Rc<Expression> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eq`
[INFO] [stdout]   --> src/eval.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn eq(&self, expression: Rc<Expression>) -> Rc<Expression> {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `Command { std: "docker" "inspect" "5e0f13c993e498e2f8d66d5c9e0a7fe73567b18f8d6cc04cc6fc5e12be2f8d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e0f13c993e498e2f8d66d5c9e0a7fe73567b18f8d6cc04cc6fc5e12be2f8d93", kill_on_drop: false }`
[INFO] [stdout] 5e0f13c993e498e2f8d66d5c9e0a7fe73567b18f8d6cc04cc6fc5e12be2f8d93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13e6d9513099805f42076659154b331da8639de9160a6d740c99726b9076f2a2
[INFO] running `Command { std: "docker" "start" "-a" "13e6d9513099805f42076659154b331da8639de9160a6d740c99726b9076f2a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling schwifty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `TokenError`
[INFO] [stdout]  --> src/lexer.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     TokenError,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `builtins`
[INFO] [stdout]   --> src/eval.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     builtins: HashMap<String, Token>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cdr`
[INFO] [stdout]   --> src/eval.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn cdr(expression: Rc<Expression>) -> Rc<Expression> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eq`
[INFO] [stdout]   --> src/eval.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn eq(&self, expression: Rc<Expression>) -> Rc<Expression> {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "13e6d9513099805f42076659154b331da8639de9160a6d740c99726b9076f2a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e6d9513099805f42076659154b331da8639de9160a6d740c99726b9076f2a2", kill_on_drop: false }`
[INFO] [stdout] 13e6d9513099805f42076659154b331da8639de9160a6d740c99726b9076f2a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d892745fc9f201f3dd5061b6fb31acc29324a4189f8ad78c6bb62850734c464d
[INFO] running `Command { std: "docker" "start" "-a" "d892745fc9f201f3dd5061b6fb31acc29324a4189f8ad78c6bb62850734c464d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variant is never constructed: `TokenError`
[INFO] [stderr]  --> src/lexer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     TokenError,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `builtins`
[INFO] [stderr]   --> src/eval.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     builtins: HashMap<String, Token>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `cdr`
[INFO] [stderr]   --> src/eval.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn cdr(expression: Rc<Expression>) -> Rc<Expression> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `eq`
[INFO] [stderr]   --> src/eval.rs:71:12
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn eq(&self, expression: Rc<Expression>) -> Rc<Expression> {
[INFO] [stderr]    |            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: `schwifty` (bin "schwifty" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 34.44s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/schwifty-d9646b05374dbd4a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d892745fc9f201f3dd5061b6fb31acc29324a4189f8ad78c6bb62850734c464d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d892745fc9f201f3dd5061b6fb31acc29324a4189f8ad78c6bb62850734c464d", kill_on_drop: false }`
[INFO] [stdout] d892745fc9f201f3dd5061b6fb31acc29324a4189f8ad78c6bb62850734c464d