Dec 12 03:06:03.036 INFO checking EFulmer/gawain against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 03:06:03.036 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 03:06:03.444 INFO [stdout] d2d0c7d080bd60207813344841995d75b6266239f8e9e7fb966e3d12044b4206
Dec 12 03:06:03.446 INFO running `"docker" "start" "-a" "d2d0c7d080bd60207813344841995d75b6266239f8e9e7fb966e3d12044b4206"`
Dec 12 03:06:04.129 INFO [stderr] usermod: no changes
Dec 12 03:06:04.157 INFO [stderr]     Checking gawain v0.1.0 (/source)
Dec 12 03:06:04.564 INFO [stderr] warning: unused variable: `program`
Dec 12 03:06:04.566 INFO [stderr]   --> src/main.rs:17:10
Dec 12 03:06:04.566 INFO [stderr]    |
Dec 12 03:06:04.566 INFO [stderr] 17 | fn parse(program: &str) -> Val { 
Dec 12 03:06:04.566 INFO [stderr]    |          ^^^^^^^ help: consider using `_program` instead
Dec 12 03:06:04.566 INFO [stderr]    |
Dec 12 03:06:04.566 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 03:06:04.566 INFO [stderr] 
Dec 12 03:06:04.580 INFO [stderr] warning: variant is never constructed: `Symbol`
Dec 12 03:06:04.580 INFO [stderr]  --> src/main.rs:3:5
Dec 12 03:06:04.580 INFO [stderr]   |
Dec 12 03:06:04.580 INFO [stderr] 3 |     Symbol(String),
Dec 12 03:06:04.580 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 12 03:06:04.582 INFO [stderr]   |
Dec 12 03:06:04.582 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 03:06:04.582 INFO [stderr] 
Dec 12 03:06:04.583 INFO [stderr] warning: variant is never constructed: `List`
Dec 12 03:06:04.583 INFO [stderr]  --> src/main.rs:4:5
Dec 12 03:06:04.583 INFO [stderr]   |
Dec 12 03:06:04.583 INFO [stderr] 4 |     List(Vec<Val>),
Dec 12 03:06:04.583 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 12 03:06:04.583 INFO [stderr] 
Dec 12 03:06:04.583 INFO [stderr] warning: variant is never constructed: `Int`
Dec 12 03:06:04.583 INFO [stderr]  --> src/main.rs:5:5
Dec 12 03:06:04.583 INFO [stderr]   |
Dec 12 03:06:04.583 INFO [stderr] 5 |     Int(i32),
Dec 12 03:06:04.583 INFO [stderr]   |     ^^^^^^^^
Dec 12 03:06:04.583 INFO [stderr] 
Dec 12 03:06:04.583 INFO [stderr] warning: variant is never constructed: `Float`
Dec 12 03:06:04.583 INFO [stderr]  --> src/main.rs:6:5
Dec 12 03:06:04.583 INFO [stderr]   |
Dec 12 03:06:04.583 INFO [stderr] 6 |     Float(f64),
Dec 12 03:06:04.583 INFO [stderr]   |     ^^^^^^^^^^
Dec 12 03:06:04.583 INFO [stderr] 
Dec 12 03:06:04.583 INFO [stderr] warning: function is never used: `tokenize`
Dec 12 03:06:04.583 INFO [stderr]  --> src/main.rs:9:1
Dec 12 03:06:04.583 INFO [stderr]   |
Dec 12 03:06:04.583 INFO [stderr] 9 | fn tokenize(s: &str) -> String {
Dec 12 03:06:04.583 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:06:04.583 INFO [stderr] 
Dec 12 03:06:04.583 INFO [stderr] warning: function is never used: `parse`
Dec 12 03:06:04.583 INFO [stderr]   --> src/main.rs:17:1
Dec 12 03:06:04.583 INFO [stderr]    |
Dec 12 03:06:04.583 INFO [stderr] 17 | fn parse(program: &str) -> Val { 
Dec 12 03:06:04.583 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:06:04.583 INFO [stderr] 
Dec 12 03:06:04.583 INFO [stderr] warning: function is never used: `read_from_tokens`
Dec 12 03:06:04.583 INFO [stderr]   --> src/main.rs:22:1
Dec 12 03:06:04.583 INFO [stderr]    |
Dec 12 03:06:04.583 INFO [stderr] 22 | fn read_from_tokens(tokens: &mut Vec<String>) -> Val {
Dec 12 03:06:04.583 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:06:04.583 INFO [stderr] 
Dec 12 03:06:04.583 INFO [stderr] warning: function is never used: `atom`
Dec 12 03:06:04.583 INFO [stderr]   --> src/main.rs:44:1
Dec 12 03:06:04.583 INFO [stderr]    |
Dec 12 03:06:04.583 INFO [stderr] 44 | fn atom(s: &str) -> Val {
Dec 12 03:06:04.583 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:06:04.583 INFO [stderr] 
Dec 12 03:06:04.791 INFO [stderr] warning: unused variable: `program`
Dec 12 03:06:04.791 INFO [stderr]   --> src/main.rs:17:10
Dec 12 03:06:04.791 INFO [stderr]    |
Dec 12 03:06:04.791 INFO [stderr] 17 | fn parse(program: &str) -> Val { 
Dec 12 03:06:04.791 INFO [stderr]    |          ^^^^^^^ help: consider using `_program` instead
Dec 12 03:06:04.791 INFO [stderr]    |
Dec 12 03:06:04.791 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 03:06:04.792 INFO [stderr] 
Dec 12 03:06:04.816 INFO [stderr] warning: variant is never constructed: `List`
Dec 12 03:06:04.816 INFO [stderr]  --> src/main.rs:4:5
Dec 12 03:06:04.816 INFO [stderr]   |
Dec 12 03:06:04.816 INFO [stderr] 4 |     List(Vec<Val>),
Dec 12 03:06:04.816 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 12 03:06:04.816 INFO [stderr]   |
Dec 12 03:06:04.816 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 03:06:04.816 INFO [stderr] 
Dec 12 03:06:04.816 INFO [stderr] warning: function is never used: `tokenize`
Dec 12 03:06:04.816 INFO [stderr]  --> src/main.rs:9:1
Dec 12 03:06:04.816 INFO [stderr]   |
Dec 12 03:06:04.816 INFO [stderr] 9 | fn tokenize(s: &str) -> String {
Dec 12 03:06:04.816 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:06:04.816 INFO [stderr] 
Dec 12 03:06:04.816 INFO [stderr] warning: function is never used: `parse`
Dec 12 03:06:04.816 INFO [stderr]   --> src/main.rs:17:1
Dec 12 03:06:04.816 INFO [stderr]    |
Dec 12 03:06:04.816 INFO [stderr] 17 | fn parse(program: &str) -> Val { 
Dec 12 03:06:04.816 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:06:04.816 INFO [stderr] 
Dec 12 03:06:04.816 INFO [stderr] warning: function is never used: `read_from_tokens`
Dec 12 03:06:04.816 INFO [stderr]   --> src/main.rs:22:1
Dec 12 03:06:04.816 INFO [stderr]    |
Dec 12 03:06:04.816 INFO [stderr] 22 | fn read_from_tokens(tokens: &mut Vec<String>) -> Val {
Dec 12 03:06:04.816 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:06:04.816 INFO [stderr] 
Dec 12 03:06:04.832 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Dec 12 03:06:04.840 INFO [stderr] su: No module specific data is present
Dec 12 03:06:05.185 INFO running `"docker" "inspect" "d2d0c7d080bd60207813344841995d75b6266239f8e9e7fb966e3d12044b4206"`
Dec 12 03:06:05.298 INFO running `"docker" "rm" "-f" "d2d0c7d080bd60207813344841995d75b6266239f8e9e7fb966e3d12044b4206"`
Dec 12 03:06:05.429 INFO [stdout] d2d0c7d080bd60207813344841995d75b6266239f8e9e7fb966e3d12044b4206