Nov 28 13:52:00.398 INFO checking EFulmer/gawain against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 13:52:00.399 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 13:52:00.702 INFO [stdout] 6dc02e1e23c8daa91e71ad225fa4bf48548eac39e8dfa4911840e3ced7e67983
Nov 28 13:52:00.706 INFO running `"docker" "start" "-a" "6dc02e1e23c8daa91e71ad225fa4bf48548eac39e8dfa4911840e3ced7e67983"`
Nov 28 13:52:01.361 INFO [stderr] usermod: no changes
Nov 28 13:52:01.389 INFO [stderr]     Checking gawain v0.1.0 (/source)
Nov 28 13:52:01.852 INFO [stderr] warning: unused variable: `program`
Nov 28 13:52:01.852 INFO [stderr]   --> src/main.rs:17:10
Nov 28 13:52:01.852 INFO [stderr]    |
Nov 28 13:52:01.852 INFO [stderr] 17 | fn parse(program: &str) -> Val { 
Nov 28 13:52:01.852 INFO [stderr]    |          ^^^^^^^ help: consider using `_program` instead
Nov 28 13:52:01.852 INFO [stderr]    |
Nov 28 13:52:01.852 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 13:52:01.852 INFO [stderr] 
Nov 28 13:52:01.857 INFO [stderr] warning: variant is never constructed: `Symbol`
Nov 28 13:52:01.857 INFO [stderr]  --> src/main.rs:3:5
Nov 28 13:52:01.857 INFO [stderr]   |
Nov 28 13:52:01.857 INFO [stderr] 3 |     Symbol(String),
Nov 28 13:52:01.857 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 28 13:52:01.857 INFO [stderr]   |
Nov 28 13:52:01.857 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 13:52:01.857 INFO [stderr] 
Nov 28 13:52:01.857 INFO [stderr] warning: variant is never constructed: `List`
Nov 28 13:52:01.857 INFO [stderr]  --> src/main.rs:4:5
Nov 28 13:52:01.857 INFO [stderr]   |
Nov 28 13:52:01.857 INFO [stderr] 4 |     List(Vec<Val>),
Nov 28 13:52:01.857 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 28 13:52:01.857 INFO [stderr] 
Nov 28 13:52:01.857 INFO [stderr] warning: variant is never constructed: `Int`
Nov 28 13:52:01.857 INFO [stderr]  --> src/main.rs:5:5
Nov 28 13:52:01.857 INFO [stderr]   |
Nov 28 13:52:01.857 INFO [stderr] 5 |     Int(i32),
Nov 28 13:52:01.857 INFO [stderr]   |     ^^^^^^^^
Nov 28 13:52:01.857 INFO [stderr] 
Nov 28 13:52:01.857 INFO [stderr] warning: variant is never constructed: `Float`
Nov 28 13:52:01.857 INFO [stderr]  --> src/main.rs:6:5
Nov 28 13:52:01.857 INFO [stderr]   |
Nov 28 13:52:01.857 INFO [stderr] 6 |     Float(f64),
Nov 28 13:52:01.857 INFO [stderr]   |     ^^^^^^^^^^
Nov 28 13:52:01.857 INFO [stderr] 
Nov 28 13:52:01.857 INFO [stderr] warning: function is never used: `tokenize`
Nov 28 13:52:01.857 INFO [stderr]  --> src/main.rs:9:1
Nov 28 13:52:01.857 INFO [stderr]   |
Nov 28 13:52:01.857 INFO [stderr] 9 | fn tokenize(s: &str) -> String {
Nov 28 13:52:01.857 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 13:52:01.857 INFO [stderr] 
Nov 28 13:52:01.857 INFO [stderr] warning: function is never used: `parse`
Nov 28 13:52:01.857 INFO [stderr]   --> src/main.rs:17:1
Nov 28 13:52:01.857 INFO [stderr]    |
Nov 28 13:52:01.857 INFO [stderr] 17 | fn parse(program: &str) -> Val { 
Nov 28 13:52:01.857 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 13:52:01.857 INFO [stderr] 
Nov 28 13:52:01.857 INFO [stderr] warning: function is never used: `read_from_tokens`
Nov 28 13:52:01.857 INFO [stderr]   --> src/main.rs:22:1
Nov 28 13:52:01.857 INFO [stderr]    |
Nov 28 13:52:01.857 INFO [stderr] 22 | fn read_from_tokens(tokens: &mut Vec<String>) -> Val {
Nov 28 13:52:01.857 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 13:52:01.857 INFO [stderr] 
Nov 28 13:52:01.857 INFO [stderr] warning: function is never used: `atom`
Nov 28 13:52:01.857 INFO [stderr]   --> src/main.rs:44:1
Nov 28 13:52:01.857 INFO [stderr]    |
Nov 28 13:52:01.857 INFO [stderr] 44 | fn atom(s: &str) -> Val {
Nov 28 13:52:01.857 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 13:52:01.857 INFO [stderr] 
Nov 28 13:52:01.940 INFO [stderr] warning: unused variable: `program`
Nov 28 13:52:01.940 INFO [stderr]   --> src/main.rs:17:10
Nov 28 13:52:01.940 INFO [stderr]    |
Nov 28 13:52:01.940 INFO [stderr] 17 | fn parse(program: &str) -> Val { 
Nov 28 13:52:01.940 INFO [stderr]    |          ^^^^^^^ help: consider using `_program` instead
Nov 28 13:52:01.940 INFO [stderr]    |
Nov 28 13:52:01.940 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 13:52:01.941 INFO [stderr] 
Nov 28 13:52:01.961 INFO [stderr] warning: variant is never constructed: `List`
Nov 28 13:52:01.961 INFO [stderr]  --> src/main.rs:4:5
Nov 28 13:52:01.961 INFO [stderr]   |
Nov 28 13:52:01.961 INFO [stderr] 4 |     List(Vec<Val>),
Nov 28 13:52:01.961 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 28 13:52:01.961 INFO [stderr]   |
Nov 28 13:52:01.961 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 13:52:01.961 INFO [stderr] 
Nov 28 13:52:01.961 INFO [stderr] warning: function is never used: `tokenize`
Nov 28 13:52:01.961 INFO [stderr]  --> src/main.rs:9:1
Nov 28 13:52:01.961 INFO [stderr]   |
Nov 28 13:52:01.961 INFO [stderr] 9 | fn tokenize(s: &str) -> String {
Nov 28 13:52:01.961 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 13:52:01.962 INFO [stderr] 
Nov 28 13:52:01.962 INFO [stderr] warning: function is never used: `parse`
Nov 28 13:52:01.962 INFO [stderr]   --> src/main.rs:17:1
Nov 28 13:52:01.962 INFO [stderr]    |
Nov 28 13:52:01.962 INFO [stderr] 17 | fn parse(program: &str) -> Val { 
Nov 28 13:52:01.962 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 13:52:01.962 INFO [stderr] 
Nov 28 13:52:01.962 INFO [stderr] warning: function is never used: `read_from_tokens`
Nov 28 13:52:01.962 INFO [stderr]   --> src/main.rs:22:1
Nov 28 13:52:01.962 INFO [stderr]    |
Nov 28 13:52:01.962 INFO [stderr] 22 | fn read_from_tokens(tokens: &mut Vec<String>) -> Val {
Nov 28 13:52:01.962 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 13:52:01.962 INFO [stderr] 
Nov 28 13:52:01.980 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Nov 28 13:52:01.981 INFO [stderr] su: No module specific data is present
Nov 28 13:52:02.403 INFO running `"docker" "inspect" "6dc02e1e23c8daa91e71ad225fa4bf48548eac39e8dfa4911840e3ced7e67983"`
Nov 28 13:52:02.514 INFO running `"docker" "rm" "-f" "6dc02e1e23c8daa91e71ad225fa4bf48548eac39e8dfa4911840e3ced7e67983"`
Nov 28 13:52:02.783 INFO [stdout] 6dc02e1e23c8daa91e71ad225fa4bf48548eac39e8dfa4911840e3ced7e67983