[INFO] crate rsc 2.0.0 is already in cache
[INFO] extracting crate rsc 2.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rsc/2.0.0
[INFO] extracting crate rsc 2.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rsc/2.0.0
[INFO] validating manifest of rsc-2.0.0 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 rsc-2.0.0 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 rsc-2.0.0
[INFO] finished frobbing rsc-2.0.0
[INFO] frobbed toml for rsc-2.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rsc/2.0.0/Cargo.toml
[INFO] started frobbing rsc-2.0.0
[INFO] finished frobbing rsc-2.0.0
[INFO] frobbed toml for rsc-2.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rsc/2.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rsc-2.0.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rsc/2.0.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 61094752c26779a73f166726a5e77fc77d38a153a4d1ec48954eaee0cfaaba54
[INFO] running `"docker" "start" "-a" "61094752c26779a73f166726a5e77fc77d38a153a4d1ec48954eaee0cfaaba54"`
[INFO] [stderr]    Compiling rsc v2.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/computer.rs:70:40
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub functions: HashMap<String, &'a Fn(T) -> T>,
[INFO] [stderr]    |                                        ^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> T`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/computer.rs:83:53
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 let mut map = HashMap::<String, &'a Fn(f64) -> f64>::new();
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "61094752c26779a73f166726a5e77fc77d38a153a4d1ec48954eaee0cfaaba54"`
[INFO] running `"docker" "rm" "-f" "61094752c26779a73f166726a5e77fc77d38a153a4d1ec48954eaee0cfaaba54"`
[INFO] [stdout] 61094752c26779a73f166726a5e77fc77d38a153a4d1ec48954eaee0cfaaba54
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rsc/2.0.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c2f1fbc4efb002f2fa971da8054e4a766df8647d4137f08287d1b8545acc6c88
[INFO] running `"docker" "start" "-a" "c2f1fbc4efb002f2fa971da8054e4a766df8647d4137f08287d1b8545acc6c88"`
[INFO] [stderr]    Compiling rsc v2.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/computer.rs:70:40
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub functions: HashMap<String, &'a Fn(T) -> T>,
[INFO] [stderr]    |                                        ^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> T`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/computer.rs:83:53
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 let mut map = HashMap::<String, &'a Fn(f64) -> f64>::new();
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "c2f1fbc4efb002f2fa971da8054e4a766df8647d4137f08287d1b8545acc6c88"`
[INFO] running `"docker" "rm" "-f" "c2f1fbc4efb002f2fa971da8054e4a766df8647d4137f08287d1b8545acc6c88"`
[INFO] [stdout] c2f1fbc4efb002f2fa971da8054e4a766df8647d4137f08287d1b8545acc6c88
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rsc/2.0.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] a2123f9bb0329889b3ccb8329a13d06df7982080333241857d3da50d72516f6d
[INFO] running `"docker" "start" "-a" "a2123f9bb0329889b3ccb8329a13d06df7982080333241857d3da50d72516f6d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rsc-083730d2e13bf96b
[INFO] [stderr]    Doc-tests rsc
[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] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs -  (line 65) ... FAILED
[INFO] [stdout] test src/lib.rs - eval (line 110) ... FAILED
[INFO] [stdout] test src/lexer.rs - lexer::tokenize (line 40) ... FAILED
[INFO] [stdout] test src/lib.rs - eval (line 116) ... FAILED
[INFO] [stdout] test src/computer.rs - computer::Computer (line 54) ... FAILED
[INFO] [stdout] test src/parser.rs - parser::Expr<T>::replace (line 30) ... FAILED
[INFO] [stdout] test src/computer.rs - computer::Computer::compute (line 177) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 29) ... ok
[INFO] [stdout] test src/lib.rs -  (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 65) stdout ----
[INFO] [stdout] error[E0585]: found a documentation comment that doesn't document anything
[INFO] [stdout]  --> src/lib.rs:67:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | /// ... using the computer
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: doc comments must come before what they document, maybe a comment was intended with `//`?
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Computer`
[INFO] [stdout]  --> src/lib.rs:66:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut c = Computer::new();
[INFO] [stdout]   |             ^^^^^^^^ use of undeclared type or module `Computer`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0585.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - eval (line 110) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Computer`
[INFO] [stdout]  --> src/lib.rs:111:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut computer = Computer::<f64>::default();
[INFO] [stdout]   |                    ^^^^^^^^ use of undeclared type or module `Computer`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lexer.rs - lexer::tokenize (line 40) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `rsc::tokenize`
[INFO] [stdout]  --> src/lexer.rs:41:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rsc::tokenize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `tokenize` in the root
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Token`
[INFO] [stdout]  --> src/lexer.rs:43:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(tokens.as_slice(), &[Token::Number(2.0), Token::Operator(Operator::Plus), Token::Number(2.0)]);
[INFO] [stdout]   |                                 ^^^^^ use of undeclared type or module `Token`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Token`
[INFO] [stdout]  --> src/lexer.rs:43:53
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(tokens.as_slice(), &[Token::Number(2.0), Token::Operator(Operator::Plus), Token::Number(2.0)]);
[INFO] [stdout]   |                                                     ^^^^^ use of undeclared type or module `Token`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Operator`
[INFO] [stdout]  --> src/lexer.rs:43:69
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(tokens.as_slice(), &[Token::Number(2.0), Token::Operator(Operator::Plus), Token::Number(2.0)]);
[INFO] [stdout]   |                                                                     ^^^^^^^^ use of undeclared type or module `Operator`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Token`
[INFO] [stdout]  --> src/lexer.rs:43:86
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(tokens.as_slice(), &[Token::Number(2.0), Token::Operator(Operator::Plus), Token::Number(2.0)]);
[INFO] [stdout]   |                                                                                      ^^^^^ use of undeclared type or module `Token`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - eval (line 116) stdout ----
[INFO] [stdout] error[E0283]: type annotations required: cannot resolve `_: std::fmt::Debug`
[INFO] [stdout]  --> src/lib.rs:118:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | assert!(eval("3.1 + 2.2").unwrap() == 5.3);
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: required by `rsc::eval`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/computer.rs - computer::Computer (line 54) stdout ----
[INFO] [stdout] error[E0061]: this function takes 0 parameters but 2 parameters were supplied
[INFO] [stdout]  --> src/computer.rs:60:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | let mut computer = Computer::new(std::f64::consts::PI, std::f64::consts::E);
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected 0 parameters
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 0 parameters but 2 parameters were supplied
[INFO] [stdout]   --> src/computer.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | Computer::new(std::f64::consts::PI, std::f64::consts::E).eval("a");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected 0 parameters
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/parser.rs - parser::Expr<T>::replace (line 30) stdout ----
[INFO] [stdout] error: incorrect close delimiter: `}`
[INFO] [stdout]   --> src/parser.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | fn main() {
[INFO] [stdout]    |           - close delimiter possibly meant for this
[INFO] [stdout] ...
[INFO] [stdout] 13 | assert_eq!(Computer::new(std::f64::consts::PI, std::f64::consts::E).compute(&ast), Ok(1600.0);
[INFO] [stdout]    |           - un-closed delimiter
[INFO] [stdout] 14 | }
[INFO] [stdout]    | ^ incorrect close delimiter
[INFO] [stdout] 
[INFO] [stdout] error: no rules expected the token `;`
[INFO] [stdout]   --> src/parser.rs:40:94
[INFO] [stdout]    |
[INFO] [stdout] 13 | assert_eq!(Computer::new(std::f64::consts::PI, std::f64::consts::E).compute(&ast), Ok(1600.0);
[INFO] [stdout]    |                                                                                              ^
[INFO] [stdout]    |                                                                                              |
[INFO] [stdout]    |                                                                                              no rules expected this token in macro call
[INFO] [stdout]    |                                                                                              help: missing comma here
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `lexer`
[INFO] [stdout]  --> src/parser.rs:36:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | let tokens = lexer::tokenize("x^2 * 4").unwrap();
[INFO] [stdout]   |              ^^^^^ use of undeclared type or module `lexer`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `parser`
[INFO] [stdout]   --> src/parser.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | let replacement = parser::Expr::Constant(20.);
[INFO] [stdout]    |                   ^^^^^^ use of undeclared type or module `parser`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `parser`
[INFO] [stdout]   --> src/parser.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | let mut ast = parser::parse(&tokens).unwrap();
[INFO] [stdout]    |               ^^^^^^ use of undeclared type or module `parser`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `parser`
[INFO] [stdout]   --> src/parser.rs:39:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | ast.replace(&parser::Expr::Identifier(String::from("x")), &replacement, false);
[INFO] [stdout]    |              ^^^^^^ use of undeclared type or module `parser`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/computer.rs - computer::Computer::compute (line 177) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Computer`
[INFO] [stdout]  --> src/computer.rs:179:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | let mut computer = Computer::<f64>::default();
[INFO] [stdout]   |                    ^^^^^^^^ use of undeclared type or module `Computer`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `parse` in this scope
[INFO] [stdout]  --> src/computer.rs:178:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | let ast = parse(/*...*/);
[INFO] [stdout]   |           ^^^^^ not found in this scope
[INFO] [stdout] help: possible candidate is found in another module, you can import it into scope
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rsc::parser::parse;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/computer.rs - computer::Computer (line 54)
[INFO] [stdout]     src/computer.rs - computer::Computer::compute (line 177)
[INFO] [stdout]     src/lexer.rs - lexer::tokenize (line 40)
[INFO] [stdout]     src/lib.rs -  (line 65)
[INFO] [stdout]     src/lib.rs - eval (line 110)
[INFO] [stdout]     src/lib.rs - eval (line 116)
[INFO] [stdout]     src/parser.rs - parser::Expr<T>::replace (line 30)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 7 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "a2123f9bb0329889b3ccb8329a13d06df7982080333241857d3da50d72516f6d"`
[INFO] running `"docker" "rm" "-f" "a2123f9bb0329889b3ccb8329a13d06df7982080333241857d3da50d72516f6d"`
[INFO] [stdout] a2123f9bb0329889b3ccb8329a13d06df7982080333241857d3da50d72516f6d