Dec 17 14:05:55.365 INFO checking tasdomas/sc against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 14:05:55.365 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/tasdomas/sc:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 14:05:55.940 INFO [stdout] 22b3cd7f0ef1db8a47edc5f5d99a9dc921448e255705e6a0716ef3f99005074c
Dec 17 14:05:55.944 INFO running `"docker" "start" "-a" "22b3cd7f0ef1db8a47edc5f5d99a9dc921448e255705e6a0716ef3f99005074c"`
Dec 17 14:05:57.220 INFO [stderr]     Checking sc v0.1.0 (/opt/crater/workdir)
Dec 17 14:05:57.500 INFO [stderr] warning: value assigned to `a` is never read
Dec 17 14:05:57.500 INFO [stderr]  --> src/ops.rs:6:13
Dec 17 14:05:57.500 INFO [stderr]   |
Dec 17 14:05:57.500 INFO [stderr] 6 |     let mut a :f32 = 0.0;
Dec 17 14:05:57.500 INFO [stderr]   |             ^
Dec 17 14:05:57.500 INFO [stderr]   |
Dec 17 14:05:57.500 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 17 14:05:57.500 INFO [stderr] 
Dec 17 14:05:57.500 INFO [stderr] warning: value assigned to `b` is never read
Dec 17 14:05:57.500 INFO [stderr]   --> src/ops.rs:15:13
Dec 17 14:05:57.500 INFO [stderr]    |
Dec 17 14:05:57.500 INFO [stderr] 15 |     let mut b :f32 = 0.0;
Dec 17 14:05:57.500 INFO [stderr]    |             ^
Dec 17 14:05:57.500 INFO [stderr] 
Dec 17 14:05:57.508 INFO [stderr] warning: structure field `S` should have a snake case name such as `s`
Dec 17 14:05:57.509 INFO [stderr]  --> src/stack.rs:4:5
Dec 17 14:05:57.509 INFO [stderr]   |
Dec 17 14:05:57.509 INFO [stderr] 4 |     S: Option<Box<StackElement<T>>>,
Dec 17 14:05:57.509 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:05:57.509 INFO [stderr]   |
Dec 17 14:05:57.509 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 17 14:05:57.509 INFO [stderr] 
Dec 17 14:05:57.509 INFO [stderr] warning: function `Sum` should have a snake case name such as `sum`
Dec 17 14:05:57.509 INFO [stderr]   --> src/ops.rs:5:1
Dec 17 14:05:57.509 INFO [stderr]    |
Dec 17 14:05:57.509 INFO [stderr] 5  | / pub fn Sum(mut s: Stack<f32>) -> Stack<f32> {
Dec 17 14:05:57.509 INFO [stderr] 6  | |     let mut a :f32 = 0.0;
Dec 17 14:05:57.509 INFO [stderr] 7  | |     {
Dec 17 14:05:57.509 INFO [stderr] 8  | |         let (ss, input_a) = s.pop();
Dec 17 14:05:57.509 INFO [stderr] ...  |
Dec 17 14:05:57.509 INFO [stderr] 24 | |     s.push(a+b)
Dec 17 14:05:57.509 INFO [stderr] 25 | | }
Dec 17 14:05:57.509 INFO [stderr]    | |_^
Dec 17 14:05:57.509 INFO [stderr] 
Dec 17 14:05:57.570 INFO [stderr] warning: value assigned to `a` is never read
Dec 17 14:05:57.570 INFO [stderr]  --> src/ops.rs:6:13
Dec 17 14:05:57.570 INFO [stderr]   |
Dec 17 14:05:57.570 INFO [stderr] 6 |     let mut a :f32 = 0.0;
Dec 17 14:05:57.570 INFO [stderr]   |             ^
Dec 17 14:05:57.570 INFO [stderr]   |
Dec 17 14:05:57.570 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 17 14:05:57.570 INFO [stderr] 
Dec 17 14:05:57.570 INFO [stderr] warning: value assigned to `b` is never read
Dec 17 14:05:57.570 INFO [stderr]   --> src/ops.rs:15:13
Dec 17 14:05:57.570 INFO [stderr]    |
Dec 17 14:05:57.570 INFO [stderr] 15 |     let mut b :f32 = 0.0;
Dec 17 14:05:57.570 INFO [stderr]    |             ^
Dec 17 14:05:57.570 INFO [stderr] 
Dec 17 14:05:57.584 INFO [stderr] warning: structure field `S` should have a snake case name such as `s`
Dec 17 14:05:57.584 INFO [stderr]  --> src/stack.rs:4:5
Dec 17 14:05:57.584 INFO [stderr]   |
Dec 17 14:05:57.584 INFO [stderr] 4 |     S: Option<Box<StackElement<T>>>,
Dec 17 14:05:57.584 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:05:57.584 INFO [stderr]   |
Dec 17 14:05:57.584 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 17 14:05:57.584 INFO [stderr] 
Dec 17 14:05:57.584 INFO [stderr] warning: function `Sum` should have a snake case name such as `sum`
Dec 17 14:05:57.584 INFO [stderr]   --> src/ops.rs:5:1
Dec 17 14:05:57.584 INFO [stderr]    |
Dec 17 14:05:57.584 INFO [stderr] 5  | / pub fn Sum(mut s: Stack<f32>) -> Stack<f32> {
Dec 17 14:05:57.584 INFO [stderr] 6  | |     let mut a :f32 = 0.0;
Dec 17 14:05:57.584 INFO [stderr] 7  | |     {
Dec 17 14:05:57.584 INFO [stderr] 8  | |         let (ss, input_a) = s.pop();
Dec 17 14:05:57.584 INFO [stderr] ...  |
Dec 17 14:05:57.584 INFO [stderr] 24 | |     s.push(a+b)
Dec 17 14:05:57.584 INFO [stderr] 25 | | }
Dec 17 14:05:57.584 INFO [stderr]    | |_^
Dec 17 14:05:57.584 INFO [stderr] 
Dec 17 14:05:57.788 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 17 14:05:58.257 INFO running `"docker" "inspect" "22b3cd7f0ef1db8a47edc5f5d99a9dc921448e255705e6a0716ef3f99005074c"`
Dec 17 14:05:58.498 INFO running `"docker" "rm" "-f" "22b3cd7f0ef1db8a47edc5f5d99a9dc921448e255705e6a0716ef3f99005074c"`
Dec 17 14:05:58.748 INFO [stdout] 22b3cd7f0ef1db8a47edc5f5d99a9dc921448e255705e6a0716ef3f99005074c