Oct 13 04:58:08.768 INFO checking EFulmer/gawain against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 04:58:08.769 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 04:58:09.163 INFO blam! 6d8b2263e402748cd830669d57520632cf7af4f551c38ccdf27b87b7c93deeaa
Oct 13 04:58:09.168 INFO running `"docker" "start" "-a" "6d8b2263e402748cd830669d57520632cf7af4f551c38ccdf27b87b7c93deeaa"`
Oct 13 04:58:10.328 INFO kablam! usermod: no changes
Oct 13 04:58:10.376 INFO kablam!     Checking gawain v0.1.0 (/source)
Oct 13 04:58:11.392 INFO kablam! warning: unused variable: `program`
Oct 13 04:58:11.392 INFO kablam!   --> src/main.rs:17:10
Oct 13 04:58:11.392 INFO kablam!    |
Oct 13 04:58:11.392 INFO kablam! 17 | fn parse(program: &str) -> Val { 
Oct 13 04:58:11.392 INFO kablam!    |          ^^^^^^^ help: consider using `_program` instead
Oct 13 04:58:11.392 INFO kablam!    |
Oct 13 04:58:11.392 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 04:58:11.392 INFO kablam! 
Oct 13 04:58:11.407 INFO kablam! warning: variant is never constructed: `Symbol`
Oct 13 04:58:11.407 INFO kablam!  --> src/main.rs:3:5
Oct 13 04:58:11.407 INFO kablam!   |
Oct 13 04:58:11.407 INFO kablam! 3 |     Symbol(String),
Oct 13 04:58:11.407 INFO kablam!   |     ^^^^^^^^^^^^^^
Oct 13 04:58:11.407 INFO kablam!   |
Oct 13 04:58:11.407 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 04:58:11.407 INFO kablam! 
Oct 13 04:58:11.407 INFO kablam! warning: variant is never constructed: `List`
Oct 13 04:58:11.407 INFO kablam!  --> src/main.rs:4:5
Oct 13 04:58:11.407 INFO kablam!   |
Oct 13 04:58:11.407 INFO kablam! 4 |     List(Vec<Val>),
Oct 13 04:58:11.407 INFO kablam!   |     ^^^^^^^^^^^^^^
Oct 13 04:58:11.407 INFO kablam! 
Oct 13 04:58:11.407 INFO kablam! warning: variant is never constructed: `Int`
Oct 13 04:58:11.407 INFO kablam!  --> src/main.rs:5:5
Oct 13 04:58:11.407 INFO kablam!   |
Oct 13 04:58:11.407 INFO kablam! 5 |     Int(i32),
Oct 13 04:58:11.407 INFO kablam!   |     ^^^^^^^^
Oct 13 04:58:11.407 INFO kablam! 
Oct 13 04:58:11.407 INFO kablam! warning: variant is never constructed: `Float`
Oct 13 04:58:11.407 INFO kablam!  --> src/main.rs:6:5
Oct 13 04:58:11.407 INFO kablam!   |
Oct 13 04:58:11.407 INFO kablam! 6 |     Float(f64),
Oct 13 04:58:11.407 INFO kablam!   |     ^^^^^^^^^^
Oct 13 04:58:11.407 INFO kablam! 
Oct 13 04:58:11.407 INFO kablam! warning: function is never used: `tokenize`
Oct 13 04:58:11.407 INFO kablam!  --> src/main.rs:9:1
Oct 13 04:58:11.407 INFO kablam!   |
Oct 13 04:58:11.407 INFO kablam! 9 | fn tokenize(s: &str) -> String {
Oct 13 04:58:11.407 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 04:58:11.407 INFO kablam! 
Oct 13 04:58:11.407 INFO kablam! warning: function is never used: `parse`
Oct 13 04:58:11.407 INFO kablam!   --> src/main.rs:17:1
Oct 13 04:58:11.407 INFO kablam!    |
Oct 13 04:58:11.407 INFO kablam! 17 | fn parse(program: &str) -> Val { 
Oct 13 04:58:11.407 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 04:58:11.407 INFO kablam! 
Oct 13 04:58:11.407 INFO kablam! warning: function is never used: `read_from_tokens`
Oct 13 04:58:11.407 INFO kablam!   --> src/main.rs:22:1
Oct 13 04:58:11.407 INFO kablam!    |
Oct 13 04:58:11.407 INFO kablam! 22 | fn read_from_tokens(tokens: &mut Vec<String>) -> Val {
Oct 13 04:58:11.407 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 04:58:11.407 INFO kablam! 
Oct 13 04:58:11.407 INFO kablam! warning: function is never used: `atom`
Oct 13 04:58:11.407 INFO kablam!   --> src/main.rs:44:1
Oct 13 04:58:11.407 INFO kablam!    |
Oct 13 04:58:11.407 INFO kablam! 44 | fn atom(s: &str) -> Val {
Oct 13 04:58:11.407 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 04:58:11.407 INFO kablam! 
Oct 13 04:58:11.424 INFO kablam! warning: unused variable: `program`
Oct 13 04:58:11.424 INFO kablam!   --> src/main.rs:17:10
Oct 13 04:58:11.424 INFO kablam!    |
Oct 13 04:58:11.424 INFO kablam! 17 | fn parse(program: &str) -> Val { 
Oct 13 04:58:11.424 INFO kablam!    |          ^^^^^^^ help: consider using `_program` instead
Oct 13 04:58:11.424 INFO kablam!    |
Oct 13 04:58:11.424 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 04:58:11.424 INFO kablam! 
Oct 13 04:58:11.424 INFO kablam! warning: variant is never constructed: `List`
Oct 13 04:58:11.424 INFO kablam!  --> src/main.rs:4:5
Oct 13 04:58:11.424 INFO kablam!   |
Oct 13 04:58:11.424 INFO kablam! 4 |     List(Vec<Val>),
Oct 13 04:58:11.424 INFO kablam!   |     ^^^^^^^^^^^^^^
Oct 13 04:58:11.425 INFO kablam!   |
Oct 13 04:58:11.425 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 04:58:11.425 INFO kablam! 
Oct 13 04:58:11.425 INFO kablam! warning: function is never used: `tokenize`
Oct 13 04:58:11.425 INFO kablam!  --> src/main.rs:9:1
Oct 13 04:58:11.425 INFO kablam!   |
Oct 13 04:58:11.425 INFO kablam! 9 | fn tokenize(s: &str) -> String {
Oct 13 04:58:11.425 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 04:58:11.425 INFO kablam! 
Oct 13 04:58:11.425 INFO kablam! warning: function is never used: `parse`
Oct 13 04:58:11.425 INFO kablam!   --> src/main.rs:17:1
Oct 13 04:58:11.425 INFO kablam!    |
Oct 13 04:58:11.425 INFO kablam! 17 | fn parse(program: &str) -> Val { 
Oct 13 04:58:11.425 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 04:58:11.425 INFO kablam! 
Oct 13 04:58:11.425 INFO kablam! warning: function is never used: `read_from_tokens`
Oct 13 04:58:11.425 INFO kablam!   --> src/main.rs:22:1
Oct 13 04:58:11.425 INFO kablam!    |
Oct 13 04:58:11.425 INFO kablam! 22 | fn read_from_tokens(tokens: &mut Vec<String>) -> Val {
Oct 13 04:58:11.425 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 04:58:11.425 INFO kablam! 
Oct 13 04:58:11.472 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Oct 13 04:58:11.474 INFO kablam! su: No module specific data is present
Oct 13 04:58:12.581 INFO running `"docker" "rm" "-f" "6d8b2263e402748cd830669d57520632cf7af4f551c38ccdf27b87b7c93deeaa"`
Oct 13 04:58:12.840 INFO blam! 6d8b2263e402748cd830669d57520632cf7af4f551c38ccdf27b87b7c93deeaa