Dec 11 20:57:04.012 INFO checking chickenbreeder/billabong against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 20:57:04.012 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 20:57:04.203 INFO [stdout] 5a8e44916e583449ff861e39909826a3a8fc8616b2c839008cd15949701f799d
Dec 11 20:57:04.205 INFO running `"docker" "start" "-a" "5a8e44916e583449ff861e39909826a3a8fc8616b2c839008cd15949701f799d"`
Dec 11 20:57:04.640 INFO [stderr] usermod: no changes
Dec 11 20:57:04.662 INFO [stderr]     Checking billabong v0.1.0 (/source)
Dec 11 20:57:04.997 INFO [stderr] warning: unused import: `KeywordType`
Dec 11 20:57:04.997 INFO [stderr]  --> src/parser.rs:7:5
Dec 11 20:57:04.997 INFO [stderr]   |
Dec 11 20:57:04.997 INFO [stderr] 7 |     KeywordType
Dec 11 20:57:04.997 INFO [stderr]   |     ^^^^^^^^^^^
Dec 11 20:57:04.998 INFO [stderr]   |
Dec 11 20:57:04.998 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 20:57:04.998 INFO [stderr] 
Dec 11 20:57:04.998 INFO [stderr] warning: unused import: `node::Expression::*`
Dec 11 20:57:04.998 INFO [stderr]    --> src/parser.rs:116:13
Dec 11 20:57:04.998 INFO [stderr]     |
Dec 11 20:57:04.998 INFO [stderr] 116 |         use node::Expression::*;
Dec 11 20:57:04.998 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^
Dec 11 20:57:04.998 INFO [stderr] 
Dec 11 20:57:04.998 INFO [stderr] warning: unused import: `parser::Parser`
Dec 11 20:57:04.998 INFO [stderr]  --> src/main.rs:6:5
Dec 11 20:57:04.998 INFO [stderr]   |
Dec 11 20:57:04.998 INFO [stderr] 6 | use parser::Parser;
Dec 11 20:57:04.998 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 11 20:57:04.998 INFO [stderr] 
Dec 11 20:57:04.998 INFO [stderr] warning: unused import: `node::Node`
Dec 11 20:57:04.998 INFO [stderr]  --> src/main.rs:7:5
Dec 11 20:57:04.998 INFO [stderr]   |
Dec 11 20:57:04.998 INFO [stderr] 7 | use node::Node;
Dec 11 20:57:04.998 INFO [stderr]   |     ^^^^^^^^^^
Dec 11 20:57:04.998 INFO [stderr] 
Dec 11 20:57:05.124 INFO [stderr] warning: unused import: `KeywordType`
Dec 11 20:57:05.124 INFO [stderr]  --> src/parser.rs:7:5
Dec 11 20:57:05.124 INFO [stderr]   |
Dec 11 20:57:05.124 INFO [stderr] 7 |     KeywordType
Dec 11 20:57:05.124 INFO [stderr]   |     ^^^^^^^^^^^
Dec 11 20:57:05.124 INFO [stderr]   |
Dec 11 20:57:05.124 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 20:57:05.124 INFO [stderr] 
Dec 11 20:57:05.124 INFO [stderr] warning: unused import: `node::Expression::*`
Dec 11 20:57:05.124 INFO [stderr]    --> src/parser.rs:116:13
Dec 11 20:57:05.124 INFO [stderr]     |
Dec 11 20:57:05.124 INFO [stderr] 116 |         use node::Expression::*;
Dec 11 20:57:05.124 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^
Dec 11 20:57:05.124 INFO [stderr] 
Dec 11 20:57:05.124 INFO [stderr] warning: unused import: `parser::Parser`
Dec 11 20:57:05.124 INFO [stderr]  --> src/main.rs:6:5
Dec 11 20:57:05.124 INFO [stderr]   |
Dec 11 20:57:05.124 INFO [stderr] 6 | use parser::Parser;
Dec 11 20:57:05.124 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 11 20:57:05.124 INFO [stderr] 
Dec 11 20:57:05.124 INFO [stderr] warning: unused import: `node::Node`
Dec 11 20:57:05.124 INFO [stderr]  --> src/main.rs:7:5
Dec 11 20:57:05.124 INFO [stderr]   |
Dec 11 20:57:05.124 INFO [stderr] 7 | use node::Node;
Dec 11 20:57:05.124 INFO [stderr]   |     ^^^^^^^^^^
Dec 11 20:57:05.124 INFO [stderr] 
Dec 11 20:57:05.150 INFO [stderr] warning: method is never used: `from_str`
Dec 11 20:57:05.150 INFO [stderr]   --> src/lexer.rs:30:5
Dec 11 20:57:05.150 INFO [stderr]    |
Dec 11 20:57:05.150 INFO [stderr] 30 |     pub fn from_str(src: &'s str) -> Lexer<'s> {
Dec 11 20:57:05.150 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:57:05.150 INFO [stderr]    |
Dec 11 20:57:05.150 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 20:57:05.150 INFO [stderr] 
Dec 11 20:57:05.150 INFO [stderr] warning: method is never used: `from_str`
Dec 11 20:57:05.150 INFO [stderr]   --> src/parser.rs:16:5
Dec 11 20:57:05.150 INFO [stderr]    |
Dec 11 20:57:05.150 INFO [stderr] 16 |     pub fn from_str(src: &'s str) -> Parser<'s> {
Dec 11 20:57:05.150 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:57:05.150 INFO [stderr] 
Dec 11 20:57:05.150 INFO [stderr] warning: variant is never constructed: `Expr`
Dec 11 20:57:05.150 INFO [stderr]  --> src/node.rs:4:5
Dec 11 20:57:05.150 INFO [stderr]   |
Dec 11 20:57:05.150 INFO [stderr] 4 |     Expr(Expression),
Dec 11 20:57:05.150 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 11 20:57:05.150 INFO [stderr] 
Dec 11 20:57:05.300 INFO [stderr] warning: variant is never constructed: `Expr`
Dec 11 20:57:05.300 INFO [stderr]  --> src/node.rs:4:5
Dec 11 20:57:05.300 INFO [stderr]   |
Dec 11 20:57:05.300 INFO [stderr] 4 |     Expr(Expression),
Dec 11 20:57:05.300 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 11 20:57:05.300 INFO [stderr]   |
Dec 11 20:57:05.300 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 20:57:05.300 INFO [stderr] 
Dec 11 20:57:05.315 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
Dec 11 20:57:05.317 INFO [stderr] su: No module specific data is present
Dec 11 20:57:05.668 INFO running `"docker" "inspect" "5a8e44916e583449ff861e39909826a3a8fc8616b2c839008cd15949701f799d"`
Dec 11 20:57:05.771 INFO running `"docker" "rm" "-f" "5a8e44916e583449ff861e39909826a3a8fc8616b2c839008cd15949701f799d"`
Dec 11 20:57:05.952 INFO [stdout] 5a8e44916e583449ff861e39909826a3a8fc8616b2c839008cd15949701f799d