[INFO] cloning repository tasdomas/sc
[INFO] running `"git" "clone" "--bare" "git://github.com/tasdomas/sc.git" "work/cache/sources/gh/tasdomas/sc"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/tasdomas/sc'...
[INFO] running `"git" "clone" "work/cache/sources/gh/tasdomas/sc" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/tasdomas/sc"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/tasdomas/sc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tasdomas/sc" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/tasdomas/sc"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/tasdomas/sc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f75d0e8d5a9d2f5022be574a5e32a4888abe15e
[INFO] sha for GitHub repo tasdomas/sc: 9f75d0e8d5a9d2f5022be574a5e32a4888abe15e
[INFO] validating manifest of tasdomas/sc on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tasdomas/sc on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tasdomas/sc
[INFO] finished frobbing tasdomas/sc
[INFO] frobbed toml for tasdomas/sc written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/tasdomas/sc/Cargo.toml
[INFO] started frobbing tasdomas/sc
[INFO] finished frobbing tasdomas/sc
[INFO] frobbed toml for tasdomas/sc written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/tasdomas/sc/Cargo.toml
[INFO] crate tasdomas/sc has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tasdomas/sc against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-1/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 18efd9f3a59c4aec12adf7b5c969bfacd50a966b69f6f881f1e346d55a683d1b
[INFO] running `"docker" "start" "-a" "18efd9f3a59c4aec12adf7b5c969bfacd50a966b69f6f881f1e346d55a683d1b"`
[INFO] [stderr]     Checking sc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `a` is never read
[INFO] [stderr]  --> src/ops.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut a :f32 = 0.0;
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `b` is never read
[INFO] [stderr]   --> src/ops.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut b :f32 = 0.0;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `S` should have a snake case name
[INFO] [stderr]  --> src/stack.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     S: Option<Box<StackElement<T>>>,
[INFO] [stderr]   |     ^ help: convert the identifier to snake case: `s`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `Sum` should have a snake case name
[INFO] [stderr]  --> src/ops.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn Sum(mut s: Stack<f32>) -> Stack<f32> {
[INFO] [stderr]   |        ^^^ help: convert the identifier to snake case: `sum`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `a` is never read
[INFO] [stderr]  --> src/ops.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut a :f32 = 0.0;
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `b` is never read
[INFO] [stderr]   --> src/ops.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut b :f32 = 0.0;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `S` should have a snake case name
[INFO] [stderr]  --> src/stack.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     S: Option<Box<StackElement<T>>>,
[INFO] [stderr]   |     ^ help: convert the identifier to snake case: `s`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `Sum` should have a snake case name
[INFO] [stderr]  --> src/ops.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn Sum(mut s: Stack<f32>) -> Stack<f32> {
[INFO] [stderr]   |        ^^^ help: convert the identifier to snake case: `sum`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "18efd9f3a59c4aec12adf7b5c969bfacd50a966b69f6f881f1e346d55a683d1b"`
[INFO] running `"docker" "rm" "-f" "18efd9f3a59c4aec12adf7b5c969bfacd50a966b69f6f881f1e346d55a683d1b"`
[INFO] [stdout] 18efd9f3a59c4aec12adf7b5c969bfacd50a966b69f6f881f1e346d55a683d1b