Dec 12 03:42:00.230 INFO checking BookOwl/stack-machine-rs against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 03:42:00.230 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 03:42:00.461 INFO [stdout] 8040df66c07211e924ceeb4c249e961f926e8ade783b056983c0c5f4f36e9763
Dec 12 03:42:00.463 INFO running `"docker" "start" "-a" "8040df66c07211e924ceeb4c249e961f926e8ade783b056983c0c5f4f36e9763"`
Dec 12 03:42:01.014 INFO [stderr] usermod: no changes
Dec 12 03:42:01.056 INFO [stderr]     Checking stack-machine v0.1.0 (/source)
Dec 12 03:42:02.016 INFO [stderr] warning: unused variable: `ipstack`
Dec 12 03:42:02.016 INFO [stderr]    --> src/main.rs:106:13
Dec 12 03:42:02.016 INFO [stderr]     |
Dec 12 03:42:02.016 INFO [stderr] 106 |     let mut ipstack: Vec<usize>  = Vec::new();
Dec 12 03:42:02.016 INFO [stderr]     |             ^^^^^^^ help: consider using `_ipstack` instead
Dec 12 03:42:02.016 INFO [stderr]     |
Dec 12 03:42:02.016 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 03:42:02.016 INFO [stderr] 
Dec 12 03:42:02.016 INFO [stderr] warning: unused variable: `callstack`
Dec 12 03:42:02.016 INFO [stderr]    --> src/main.rs:107:13
Dec 12 03:42:02.016 INFO [stderr]     |
Dec 12 03:42:02.016 INFO [stderr] 107 |     let mut callstack: CallStack = Vec::new();
Dec 12 03:42:02.016 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_callstack` instead
Dec 12 03:42:02.016 INFO [stderr] 
Dec 12 03:42:02.068 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:42:02.068 INFO [stderr]    --> src/main.rs:106:9
Dec 12 03:42:02.068 INFO [stderr]     |
Dec 12 03:42:02.068 INFO [stderr] 106 |     let mut ipstack: Vec<usize>  = Vec::new();
Dec 12 03:42:02.068 INFO [stderr]     |         ----^^^^^^^
Dec 12 03:42:02.068 INFO [stderr]     |         |
Dec 12 03:42:02.068 INFO [stderr]     |         help: remove this `mut`
Dec 12 03:42:02.068 INFO [stderr]     |
Dec 12 03:42:02.076 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 03:42:02.077 INFO [stderr] 
Dec 12 03:42:02.077 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:42:02.077 INFO [stderr]    --> src/main.rs:107:9
Dec 12 03:42:02.077 INFO [stderr]     |
Dec 12 03:42:02.077 INFO [stderr] 107 |     let mut callstack: CallStack = Vec::new();
Dec 12 03:42:02.077 INFO [stderr]     |         ----^^^^^^^^^
Dec 12 03:42:02.077 INFO [stderr]     |         |
Dec 12 03:42:02.077 INFO [stderr]     |         help: remove this `mut`
Dec 12 03:42:02.077 INFO [stderr] 
Dec 12 03:42:02.077 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:42:02.077 INFO [stderr]    --> src/main.rs:110:9
Dec 12 03:42:02.077 INFO [stderr]     |
Dec 12 03:42:02.077 INFO [stderr] 110 |     let mut current_frame = program.frame_info.get("main").ok_or(Error::NoMain)?;
Dec 12 03:42:02.077 INFO [stderr]     |         ----^^^^^^^^^^^^^
Dec 12 03:42:02.077 INFO [stderr]     |         |
Dec 12 03:42:02.077 INFO [stderr]     |         help: remove this `mut`
Dec 12 03:42:02.077 INFO [stderr] 
Dec 12 03:42:02.089 INFO [stderr] warning: variant is never constructed: `Add`
Dec 12 03:42:02.089 INFO [stderr]   --> src/main.rs:19:5
Dec 12 03:42:02.089 INFO [stderr]    |
Dec 12 03:42:02.089 INFO [stderr] 19 |     Add,
Dec 12 03:42:02.089 INFO [stderr]    |     ^^^
Dec 12 03:42:02.089 INFO [stderr]    |
Dec 12 03:42:02.089 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 03:42:02.089 INFO [stderr] 
Dec 12 03:42:02.089 INFO [stderr] warning: variant is never constructed: `Mul`
Dec 12 03:42:02.089 INFO [stderr]   --> src/main.rs:21:5
Dec 12 03:42:02.089 INFO [stderr]    |
Dec 12 03:42:02.089 INFO [stderr] 21 |     Mul,
Dec 12 03:42:02.089 INFO [stderr]    |     ^^^
Dec 12 03:42:02.089 INFO [stderr] 
Dec 12 03:42:02.089 INFO [stderr] warning: variant is never constructed: `IntDiv`
Dec 12 03:42:02.089 INFO [stderr]   --> src/main.rs:22:5
Dec 12 03:42:02.089 INFO [stderr]    |
Dec 12 03:42:02.089 INFO [stderr] 22 |     IntDiv,
Dec 12 03:42:02.089 INFO [stderr]    |     ^^^^^^
Dec 12 03:42:02.089 INFO [stderr] 
Dec 12 03:42:02.089 INFO [stderr] warning: variant is never constructed: `Equal`
Dec 12 03:42:02.089 INFO [stderr]   --> src/main.rs:24:5
Dec 12 03:42:02.089 INFO [stderr]    |
Dec 12 03:42:02.089 INFO [stderr] 24 |     Equal,
Dec 12 03:42:02.089 INFO [stderr]    |     ^^^^^
Dec 12 03:42:02.089 INFO [stderr] 
Dec 12 03:42:02.089 INFO [stderr] warning: variant is never constructed: `Less`
Dec 12 03:42:02.089 INFO [stderr]   --> src/main.rs:25:5
Dec 12 03:42:02.089 INFO [stderr]    |
Dec 12 03:42:02.089 INFO [stderr] 25 |     Less,
Dec 12 03:42:02.089 INFO [stderr]    |     ^^^^
Dec 12 03:42:02.089 INFO [stderr] 
Dec 12 03:42:02.089 INFO [stderr] warning: variant is never constructed: `Greater`
Dec 12 03:42:02.089 INFO [stderr]   --> src/main.rs:26:5
Dec 12 03:42:02.089 INFO [stderr]    |
Dec 12 03:42:02.089 INFO [stderr] 26 |     Greater,
Dec 12 03:42:02.089 INFO [stderr]    |     ^^^^^^^
Dec 12 03:42:02.089 INFO [stderr] 
Dec 12 03:42:02.089 INFO [stderr] warning: variant is never constructed: `LessEq`
Dec 12 03:42:02.089 INFO [stderr]   --> src/main.rs:27:5
Dec 12 03:42:02.089 INFO [stderr]    |
Dec 12 03:42:02.089 INFO [stderr] 27 |     LessEq,
Dec 12 03:42:02.089 INFO [stderr]    |     ^^^^^^
Dec 12 03:42:02.089 INFO [stderr] 
Dec 12 03:42:02.089 INFO [stderr] warning: variant is never constructed: `GreaterEq`
Dec 12 03:42:02.089 INFO [stderr]   --> src/main.rs:28:5
Dec 12 03:42:02.089 INFO [stderr]    |
Dec 12 03:42:02.089 INFO [stderr] 28 |     GreaterEq,
Dec 12 03:42:02.089 INFO [stderr]    |     ^^^^^^^^^
Dec 12 03:42:02.089 INFO [stderr] 
Dec 12 03:42:02.089 INFO [stderr] warning: field is never used: `num_bindings`
Dec 12 03:42:02.089 INFO [stderr]   --> src/main.rs:52:5
Dec 12 03:42:02.089 INFO [stderr]    |
Dec 12 03:42:02.089 INFO [stderr] 52 |     num_bindings: usize,
Dec 12 03:42:02.089 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 03:42:02.089 INFO [stderr] 
Dec 12 03:42:02.089 INFO [stderr] warning: unused variable: `ipstack`
Dec 12 03:42:02.089 INFO [stderr]    --> src/main.rs:106:13
Dec 12 03:42:02.089 INFO [stderr]     |
Dec 12 03:42:02.089 INFO [stderr] 106 |     let mut ipstack: Vec<usize>  = Vec::new();
Dec 12 03:42:02.089 INFO [stderr]     |             ^^^^^^^ help: consider using `_ipstack` instead
Dec 12 03:42:02.089 INFO [stderr]     |
Dec 12 03:42:02.089 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 03:42:02.089 INFO [stderr] 
Dec 12 03:42:02.089 INFO [stderr] warning: unused variable: `callstack`
Dec 12 03:42:02.089 INFO [stderr]    --> src/main.rs:107:13
Dec 12 03:42:02.089 INFO [stderr]     |
Dec 12 03:42:02.089 INFO [stderr] 107 |     let mut callstack: CallStack = Vec::new();
Dec 12 03:42:02.089 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_callstack` instead
Dec 12 03:42:02.089 INFO [stderr] 
Dec 12 03:42:02.184 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:42:02.184 INFO [stderr]    --> src/main.rs:106:9
Dec 12 03:42:02.184 INFO [stderr]     |
Dec 12 03:42:02.184 INFO [stderr] 106 |     let mut ipstack: Vec<usize>  = Vec::new();
Dec 12 03:42:02.184 INFO [stderr]     |         ----^^^^^^^
Dec 12 03:42:02.184 INFO [stderr]     |         |
Dec 12 03:42:02.184 INFO [stderr]     |         help: remove this `mut`
Dec 12 03:42:02.184 INFO [stderr]     |
Dec 12 03:42:02.184 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 03:42:02.184 INFO [stderr] 
Dec 12 03:42:02.184 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:42:02.184 INFO [stderr]    --> src/main.rs:107:9
Dec 12 03:42:02.184 INFO [stderr]     |
Dec 12 03:42:02.184 INFO [stderr] 107 |     let mut callstack: CallStack = Vec::new();
Dec 12 03:42:02.184 INFO [stderr]     |         ----^^^^^^^^^
Dec 12 03:42:02.185 INFO [stderr]     |         |
Dec 12 03:42:02.188 INFO [stderr]     |         help: remove this `mut`
Dec 12 03:42:02.188 INFO [stderr] 
Dec 12 03:42:02.188 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:42:02.188 INFO [stderr]    --> src/main.rs:110:9
Dec 12 03:42:02.188 INFO [stderr]     |
Dec 12 03:42:02.188 INFO [stderr] 110 |     let mut current_frame = program.frame_info.get("main").ok_or(Error::NoMain)?;
Dec 12 03:42:02.188 INFO [stderr]     |         ----^^^^^^^^^^^^^
Dec 12 03:42:02.188 INFO [stderr]     |         |
Dec 12 03:42:02.188 INFO [stderr]     |         help: remove this `mut`
Dec 12 03:42:02.188 INFO [stderr] 
Dec 12 03:42:02.189 INFO [stderr] warning: variant is never constructed: `Add`
Dec 12 03:42:02.189 INFO [stderr]   --> src/main.rs:19:5
Dec 12 03:42:02.189 INFO [stderr]    |
Dec 12 03:42:02.189 INFO [stderr] 19 |     Add,
Dec 12 03:42:02.189 INFO [stderr]    |     ^^^
Dec 12 03:42:02.189 INFO [stderr]    |
Dec 12 03:42:02.189 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 03:42:02.189 INFO [stderr] 
Dec 12 03:42:02.189 INFO [stderr] warning: variant is never constructed: `Mul`
Dec 12 03:42:02.189 INFO [stderr]   --> src/main.rs:21:5
Dec 12 03:42:02.189 INFO [stderr]    |
Dec 12 03:42:02.189 INFO [stderr] 21 |     Mul,
Dec 12 03:42:02.190 INFO [stderr]    |     ^^^
Dec 12 03:42:02.190 INFO [stderr] 
Dec 12 03:42:02.190 INFO [stderr] warning: variant is never constructed: `IntDiv`
Dec 12 03:42:02.190 INFO [stderr]   --> src/main.rs:22:5
Dec 12 03:42:02.190 INFO [stderr]    |
Dec 12 03:42:02.190 INFO [stderr] 22 |     IntDiv,
Dec 12 03:42:02.190 INFO [stderr]    |     ^^^^^^
Dec 12 03:42:02.190 INFO [stderr] 
Dec 12 03:42:02.190 INFO [stderr] warning: variant is never constructed: `Equal`
Dec 12 03:42:02.190 INFO [stderr]   --> src/main.rs:24:5
Dec 12 03:42:02.190 INFO [stderr]    |
Dec 12 03:42:02.190 INFO [stderr] 24 |     Equal,
Dec 12 03:42:02.190 INFO [stderr]    |     ^^^^^
Dec 12 03:42:02.190 INFO [stderr] 
Dec 12 03:42:02.190 INFO [stderr] warning: variant is never constructed: `Less`
Dec 12 03:42:02.190 INFO [stderr]   --> src/main.rs:25:5
Dec 12 03:42:02.190 INFO [stderr]    |
Dec 12 03:42:02.190 INFO [stderr] 25 |     Less,
Dec 12 03:42:02.190 INFO [stderr]    |     ^^^^
Dec 12 03:42:02.190 INFO [stderr] 
Dec 12 03:42:02.190 INFO [stderr] warning: variant is never constructed: `Greater`
Dec 12 03:42:02.190 INFO [stderr]   --> src/main.rs:26:5
Dec 12 03:42:02.190 INFO [stderr]    |
Dec 12 03:42:02.190 INFO [stderr] 26 |     Greater,
Dec 12 03:42:02.190 INFO [stderr]    |     ^^^^^^^
Dec 12 03:42:02.190 INFO [stderr] 
Dec 12 03:42:02.190 INFO [stderr] warning: variant is never constructed: `LessEq`
Dec 12 03:42:02.190 INFO [stderr]   --> src/main.rs:27:5
Dec 12 03:42:02.190 INFO [stderr]    |
Dec 12 03:42:02.190 INFO [stderr] 27 |     LessEq,
Dec 12 03:42:02.190 INFO [stderr]    |     ^^^^^^
Dec 12 03:42:02.190 INFO [stderr] 
Dec 12 03:42:02.190 INFO [stderr] warning: variant is never constructed: `GreaterEq`
Dec 12 03:42:02.190 INFO [stderr]   --> src/main.rs:28:5
Dec 12 03:42:02.190 INFO [stderr]    |
Dec 12 03:42:02.190 INFO [stderr] 28 |     GreaterEq,
Dec 12 03:42:02.190 INFO [stderr]    |     ^^^^^^^^^
Dec 12 03:42:02.190 INFO [stderr] 
Dec 12 03:42:02.190 INFO [stderr] warning: field is never used: `num_bindings`
Dec 12 03:42:02.190 INFO [stderr]   --> src/main.rs:52:5
Dec 12 03:42:02.190 INFO [stderr]    |
Dec 12 03:42:02.190 INFO [stderr] 52 |     num_bindings: usize,
Dec 12 03:42:02.190 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 03:42:02.190 INFO [stderr] 
Dec 12 03:42:02.234 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
Dec 12 03:42:02.236 INFO [stderr] su: No module specific data is present
Dec 12 03:42:03.158 INFO running `"docker" "inspect" "8040df66c07211e924ceeb4c249e961f926e8ade783b056983c0c5f4f36e9763"`
Dec 12 03:42:03.270 INFO running `"docker" "rm" "-f" "8040df66c07211e924ceeb4c249e961f926e8ade783b056983c0c5f4f36e9763"`
Dec 12 03:42:03.389 INFO [stdout] 8040df66c07211e924ceeb4c249e961f926e8ade783b056983c0c5f4f36e9763