[INFO] cloning repository wmmnola/Lambda_Calculus
[INFO] running `"git" "clone" "--bare" "git://github.com/wmmnola/Lambda_Calculus.git" "work/cache/sources/gh/wmmnola/Lambda_Calculus"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/wmmnola/Lambda_Calculus'...
[INFO] running `"git" "clone" "work/cache/sources/gh/wmmnola/Lambda_Calculus" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/wmmnola/Lambda_Calculus"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/wmmnola/Lambda_Calculus'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wmmnola/Lambda_Calculus" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/wmmnola/Lambda_Calculus"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/wmmnola/Lambda_Calculus'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8924441f9a07c1a8e050cb35fd66472df871b6ad
[INFO] sha for GitHub repo wmmnola/Lambda_Calculus: 8924441f9a07c1a8e050cb35fd66472df871b6ad
[INFO] validating manifest of wmmnola/Lambda_Calculus 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 wmmnola/Lambda_Calculus 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 wmmnola/Lambda_Calculus
[INFO] finished frobbing wmmnola/Lambda_Calculus
[INFO] frobbed toml for wmmnola/Lambda_Calculus written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/wmmnola/Lambda_Calculus/Cargo.toml
[INFO] started frobbing wmmnola/Lambda_Calculus
[INFO] finished frobbing wmmnola/Lambda_Calculus
[INFO] frobbed toml for wmmnola/Lambda_Calculus written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/wmmnola/Lambda_Calculus/Cargo.toml
[INFO] crate wmmnola/Lambda_Calculus 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 wmmnola/Lambda_Calculus 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/wmmnola/Lambda_Calculus:/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] 4bfde0e4ff8de5d3290ce76054687db85f46dc8f255e49f8fb459cc38bcfea28
[INFO] running `"docker" "start" "-a" "4bfde0e4ff8de5d3290ce76054687db85f46dc8f255e49f8fb459cc38bcfea28"`
[INFO] [stderr]     Checking Lambda_Calculus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `nest_level`
[INFO] [stderr]   --> src/main.rs:24:28
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn parse(input:&Vec<char>, nest_level: i32) -> bool{
[INFO] [stderr]    |                            ^^^^^^^^^^ help: consider prefixing with an underscore: `_nest_level`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let mut f = Function::Function{variable: var, operation: op, nestlevel:1};
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Lambda_Calculus` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `lambda_calculus`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Function` should have a snake case name
[INFO] [stderr]  --> src/main.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod Function;
[INFO] [stderr]   |         ^^^^^^^^ help: convert the identifier to snake case: `function`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nest_level`
[INFO] [stderr]   --> src/main.rs:24:28
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn parse(input:&Vec<char>, nest_level: i32) -> bool{
[INFO] [stderr]    |                            ^^^^^^^^^^ help: consider prefixing with an underscore: `_nest_level`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let mut f = Function::Function{variable: var, operation: op, nestlevel:1};
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Lambda_Calculus` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `lambda_calculus`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Function` should have a snake case name
[INFO] [stderr]  --> src/main.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod Function;
[INFO] [stderr]   |         ^^^^^^^^ help: convert the identifier to snake case: `function`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "4bfde0e4ff8de5d3290ce76054687db85f46dc8f255e49f8fb459cc38bcfea28"`
[INFO] running `"docker" "rm" "-f" "4bfde0e4ff8de5d3290ce76054687db85f46dc8f255e49f8fb459cc38bcfea28"`
[INFO] [stdout] 4bfde0e4ff8de5d3290ce76054687db85f46dc8f255e49f8fb459cc38bcfea28