[INFO] updating cached repository elipmoc/mincaml-rs-llvm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/elipmoc/mincaml-rs-llvm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/elipmoc/mincaml-rs-llvm" "work/ex/beta-1.38-1/sources/1.37.0/gh/elipmoc/mincaml-rs-llvm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/elipmoc/mincaml-rs-llvm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/elipmoc/mincaml-rs-llvm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elipmoc/mincaml-rs-llvm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elipmoc/mincaml-rs-llvm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 817e477463c14c8386926d865fcac4e18fab4ad5
[INFO] sha for GitHub repo elipmoc/mincaml-rs-llvm: 817e477463c14c8386926d865fcac4e18fab4ad5
[INFO] validating manifest of elipmoc/mincaml-rs-llvm on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of elipmoc/mincaml-rs-llvm on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing elipmoc/mincaml-rs-llvm
[INFO] finished frobbing elipmoc/mincaml-rs-llvm
[INFO] frobbed toml for elipmoc/mincaml-rs-llvm written to work/ex/beta-1.38-1/sources/1.37.0/gh/elipmoc/mincaml-rs-llvm/Cargo.toml
[INFO] started frobbing elipmoc/mincaml-rs-llvm
[INFO] finished frobbing elipmoc/mincaml-rs-llvm
[INFO] frobbed toml for elipmoc/mincaml-rs-llvm written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elipmoc/mincaml-rs-llvm/Cargo.toml
[INFO] crate elipmoc/mincaml-rs-llvm already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing elipmoc/mincaml-rs-llvm against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elipmoc/mincaml-rs-llvm:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1ebeff5b942a151fe114503f54b148da3c5ba23f179104ff91da5c0e043568f8
[INFO] running `"docker" "start" "-a" "1ebeff5b942a151fe114503f54b148da3c5ba23f179104ff91da5c0e043568f8"`
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling nom v5.0.0
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.2
[INFO] [stderr]    Compiling mincaml_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'ws': whitespace parsing only works with macros and will not be updated anymore
[INFO] [stderr]   --> src/parser/parser.rs:94:1
[INFO] [stderr]    |
[INFO] [stderr] 94 | / named!(pub exp_parser<Syntax>,
[INFO] [stderr] 95 | |         ws!(binary_op_exp_parser)
[INFO] [stderr] 96 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::slice::<impl [T]>::connect': renamed to join
[INFO] [stderr]   --> src/id.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 |     xs.connect(" ")
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `IdGenerator`
[INFO] [stderr]   --> src/id.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | struct IdGenerator {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/id.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn new() -> IdGenerator { IdGenerator { counter: 0 } }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `gen_id`
[INFO] [stderr]   --> src/id.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn gen_id(&mut self, s: String) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `gen_tmp`
[INFO] [stderr]   --> src/id.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn gen_tmp(&mut self, ty: &Ty) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `count_up`
[INFO] [stderr]   --> src/id.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn count_up(&mut self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `id_of_type`
[INFO] [stderr]   --> src/id.rs:73:1
[INFO] [stderr]    |
[INFO] [stderr] 73 | fn id_of_type(ty: &Ty) -> &'static str {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'ws': whitespace parsing only works with macros and will not be updated anymore
[INFO] [stderr]   --> src/parser/parser.rs:94:1
[INFO] [stderr]    |
[INFO] [stderr] 94 | / named!(pub exp_parser<Syntax>,
[INFO] [stderr] 95 | |         ws!(binary_op_exp_parser)
[INFO] [stderr] 96 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::slice::<impl [T]>::connect': renamed to join
[INFO] [stderr]   --> src/id.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 |     xs.connect(" ")
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unit`
[INFO] [stderr]  --> src/ty.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Unit,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bool`
[INFO] [stderr]  --> src/ty.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Bool,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]  --> src/ty.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Int,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]  --> src/ty.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Float,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fun`
[INFO] [stderr]  --> src/ty.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Fun(Box<Ty>, Vec<Box<Ty>>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tuple`
[INFO] [stderr]  --> src/ty.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Tuple(Vec<Box<Ty>>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Array`
[INFO] [stderr]   --> src/ty.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Array(Box<Ty>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Var`
[INFO] [stderr]   --> src/ty.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Var(Option<Box<Ty>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `gen_var_ty`
[INFO] [stderr]   --> src/ty.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn gen_var_ty() -> Ty {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Label`
[INFO] [stderr]  --> src/id.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Label(String);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pp_list`
[INFO] [stderr]  --> src/id.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn pp_list(xs: &Vec<String>) -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `IdGenerator`
[INFO] [stderr]   --> src/id.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | struct IdGenerator {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/id.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn new() -> IdGenerator { IdGenerator { counter: 0 } }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `gen_id`
[INFO] [stderr]   --> src/id.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn gen_id(&mut self, s: String) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `gen_tmp`
[INFO] [stderr]   --> src/id.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn gen_tmp(&mut self, ty: &Ty) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `count_up`
[INFO] [stderr]   --> src/id.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn count_up(&mut self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `id_of_type`
[INFO] [stderr]   --> src/id.rs:73:1
[INFO] [stderr]    |
[INFO] [stderr] 73 | fn id_of_type(ty: &Ty) -> &'static str {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unit`
[INFO] [stderr]  --> src/syntax.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Unit,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bool`
[INFO] [stderr]   --> src/syntax.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Bool(bool),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]   --> src/syntax.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Int(i32),
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]   --> src/syntax.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Float(f32),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Not`
[INFO] [stderr]   --> src/syntax.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Not(BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Neg`
[INFO] [stderr]   --> src/syntax.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Neg(BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]   --> src/syntax.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Add(BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sub`
[INFO] [stderr]   --> src/syntax.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Sub(BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FNeg`
[INFO] [stderr]   --> src/syntax.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     FNeg(BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FAdd`
[INFO] [stderr]   --> src/syntax.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     FAdd(BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FSub`
[INFO] [stderr]   --> src/syntax.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     FSub(BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FMul`
[INFO] [stderr]   --> src/syntax.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     FMul(BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FDiv`
[INFO] [stderr]   --> src/syntax.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     FDiv(BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Eq`
[INFO] [stderr]   --> src/syntax.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Eq(BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LE`
[INFO] [stderr]   --> src/syntax.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     LE(BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `If`
[INFO] [stderr]   --> src/syntax.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     If(BSyntax, BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Let`
[INFO] [stderr]   --> src/syntax.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Let((VarId, Ty), BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Var`
[INFO] [stderr]   --> src/syntax.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Var(VarId),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IgnoreVar`
[INFO] [stderr]   --> src/syntax.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     IgnoreVar,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LetRec`
[INFO] [stderr]   --> src/syntax.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     LetRec(Box<FunDef>, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `App`
[INFO] [stderr]   --> src/syntax.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     App(BSyntax, Vec<BSyntax>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tuple`
[INFO] [stderr]   --> src/syntax.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Tuple(Vec<BSyntax>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LetTuple`
[INFO] [stderr]   --> src/syntax.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     LetTuple((VarId, Ty), Vec<BSyntax>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Array`
[INFO] [stderr]   --> src/syntax.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     Array(BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Get`
[INFO] [stderr]   --> src/syntax.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Get(BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Put`
[INFO] [stderr]   --> src/syntax.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Put(BSyntax, BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unwrap_or_empty_string`
[INFO] [stderr]   --> src/token_parser/number.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn unwrap_or_empty_string(so:Option<String>)->String{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_not_syntax`
[INFO] [stderr]  --> src/parser/helper.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn create_not_syntax(e: Syntax) -> Syntax {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_minus_syntax`
[INFO] [stderr]  --> src/parser/helper.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn create_minus_syntax(e: Syntax) -> Syntax {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_plus_syntax`
[INFO] [stderr]   --> src/parser/helper.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn create_plus_syntax((e1, e2): (Syntax, Syntax)) -> Syntax {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.67s
[INFO] running `"docker" "inspect" "1ebeff5b942a151fe114503f54b148da3c5ba23f179104ff91da5c0e043568f8"`
[INFO] running `"docker" "rm" "-f" "1ebeff5b942a151fe114503f54b148da3c5ba23f179104ff91da5c0e043568f8"`
[INFO] [stdout] 1ebeff5b942a151fe114503f54b148da3c5ba23f179104ff91da5c0e043568f8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elipmoc/mincaml-rs-llvm:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1cfc131f2582b8b46e6978c6775a759413115b0818aff5b67101a0a44a1d31fa
[INFO] running `"docker" "start" "-a" "1cfc131f2582b8b46e6978c6775a759413115b0818aff5b67101a0a44a1d31fa"`
[INFO] [stderr]    Compiling mincaml_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'ws': whitespace parsing only works with macros and will not be updated anymore
[INFO] [stderr]   --> src/parser/parser.rs:94:1
[INFO] [stderr]    |
[INFO] [stderr] 94 | / named!(pub exp_parser<Syntax>,
[INFO] [stderr] 95 | |         ws!(binary_op_exp_parser)
[INFO] [stderr] 96 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'ws': whitespace parsing only works with macros and will not be updated anymore
[INFO] [stderr]   --> src/parser/parser.rs:94:1
[INFO] [stderr]    |
[INFO] [stderr] 94 | / named!(pub exp_parser<Syntax>,
[INFO] [stderr] 95 | |         ws!(binary_op_exp_parser)
[INFO] [stderr] 96 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::slice::<impl [T]>::connect': renamed to join
[INFO] [stderr]   --> src/id.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 |     xs.connect(" ")
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::slice::<impl [T]>::connect': renamed to join
[INFO] [stderr]   --> src/id.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 |     xs.connect(" ")
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tuple`
[INFO] [stderr]  --> src/ty.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Tuple(Vec<Box<Ty>>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Array`
[INFO] [stderr]   --> src/ty.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Array(Box<Ty>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Label`
[INFO] [stderr]  --> src/id.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Label(String);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sub`
[INFO] [stderr]   --> src/syntax.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Sub(BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FNeg`
[INFO] [stderr]   --> src/syntax.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     FNeg(BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FAdd`
[INFO] [stderr]   --> src/syntax.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     FAdd(BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FSub`
[INFO] [stderr]   --> src/syntax.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     FSub(BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FMul`
[INFO] [stderr]   --> src/syntax.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     FMul(BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FDiv`
[INFO] [stderr]   --> src/syntax.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     FDiv(BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Eq`
[INFO] [stderr]   --> src/syntax.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Eq(BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LE`
[INFO] [stderr]   --> src/syntax.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     LE(BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `If`
[INFO] [stderr]   --> src/syntax.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     If(BSyntax, BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Let`
[INFO] [stderr]   --> src/syntax.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Let((VarId, Ty), BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Var`
[INFO] [stderr]   --> src/syntax.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Var(VarId),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LetRec`
[INFO] [stderr]   --> src/syntax.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     LetRec(Box<FunDef>, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `App`
[INFO] [stderr]   --> src/syntax.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     App(BSyntax, Vec<BSyntax>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tuple`
[INFO] [stderr]   --> src/syntax.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Tuple(Vec<BSyntax>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LetTuple`
[INFO] [stderr]   --> src/syntax.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     LetTuple((VarId, Ty), Vec<BSyntax>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Array`
[INFO] [stderr]   --> src/syntax.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     Array(BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Put`
[INFO] [stderr]   --> src/syntax.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Put(BSyntax, BSyntax, BSyntax),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.83s
[INFO] running `"docker" "inspect" "1cfc131f2582b8b46e6978c6775a759413115b0818aff5b67101a0a44a1d31fa"`
[INFO] running `"docker" "rm" "-f" "1cfc131f2582b8b46e6978c6775a759413115b0818aff5b67101a0a44a1d31fa"`
[INFO] [stdout] 1cfc131f2582b8b46e6978c6775a759413115b0818aff5b67101a0a44a1d31fa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elipmoc/mincaml-rs-llvm:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 76eddb4c369ebfb31d143c244684ee2d3baded3645ea5ce7d1214ba4765ecf13
[INFO] running `"docker" "start" "-a" "76eddb4c369ebfb31d143c244684ee2d3baded3645ea5ce7d1214ba4765ecf13"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mincaml_rs-4cfe7b5d6b0dd4ae
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test token_parser::boool::bool_token_parser_test ... ok
[INFO] [stdout] test id::id_of_type_test ... ok
[INFO] [stdout] test id::gen_id_test ... ok
[INFO] [stdout] test id::gen_tmp_test ... ok
[INFO] [stdout] test id::pp_list_test ... ok
[INFO] [stdout] test parser::parser::simple_exp_test ... ok
[INFO] [stdout] test parser::parser::exp_test ... ok
[INFO] [stdout] test token_parser::comment::comment_token_parser_test ... ok
[INFO] [stdout] test token_parser::number::number_token_parser_test ... ok
[INFO] [stdout] test token_parser::op::not_token_parser_test ... ok
[INFO] [stdout] test token_parser::paren::paren_token_parser_test ... ok
[INFO] [stdout] test ty::gen_var_ty_test ... ok
[INFO] [stdout] test token_parser::etc::ident_lower_parser_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mincaml_rs-c3bb5a93105aa86a
[INFO] [stdout] running 13 tests
[INFO] [stdout] test id::gen_tmp_test ... ok
[INFO] [stdout] test id::id_of_type_test ... ok
[INFO] [stdout] test token_parser::boool::bool_token_parser_test ... ok
[INFO] [stdout] test id::pp_list_test ... ok
[INFO] [stdout] test id::gen_id_test ... ok
[INFO] [stdout] test token_parser::op::not_token_parser_test ... ok
[INFO] [stdout] test parser::parser::simple_exp_test ... ok
[INFO] [stdout] test parser::parser::exp_test ... ok
[INFO] [stdout] test token_parser::etc::ident_lower_parser_test ... ok
[INFO] [stdout] test token_parser::number::number_token_parser_test ... ok
[INFO] [stdout] test token_parser::comment::comment_token_parser_test ... ok
[INFO] [stdout] test token_parser::paren::paren_token_parser_test ... ok
[INFO] [stdout] test ty::gen_var_ty_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mincaml_rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "76eddb4c369ebfb31d143c244684ee2d3baded3645ea5ce7d1214ba4765ecf13"`
[INFO] running `"docker" "rm" "-f" "76eddb4c369ebfb31d143c244684ee2d3baded3645ea5ce7d1214ba4765ecf13"`
[INFO] [stdout] 76eddb4c369ebfb31d143c244684ee2d3baded3645ea5ce7d1214ba4765ecf13