[INFO] updating cached repository Malmz/pascal-parser-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Malmz/pascal-parser-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Malmz/pascal-parser-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/Malmz/pascal-parser-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Malmz/pascal-parser-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Malmz/pascal-parser-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Malmz/pascal-parser-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Malmz/pascal-parser-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 10481f4d90875a836580176c277d812a279c01b4 [INFO] sha for GitHub repo Malmz/pascal-parser-rs: 10481f4d90875a836580176c277d812a279c01b4 [INFO] validating manifest of Malmz/pascal-parser-rs 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 Malmz/pascal-parser-rs 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 Malmz/pascal-parser-rs [INFO] finished frobbing Malmz/pascal-parser-rs [INFO] frobbed toml for Malmz/pascal-parser-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/Malmz/pascal-parser-rs/Cargo.toml [INFO] started frobbing Malmz/pascal-parser-rs [INFO] finished frobbing Malmz/pascal-parser-rs [INFO] frobbed toml for Malmz/pascal-parser-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Malmz/pascal-parser-rs/Cargo.toml [INFO] crate Malmz/pascal-parser-rs 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 Malmz/pascal-parser-rs 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-0/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/Malmz/pascal-parser-rs:/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] 7479c4a97ee175eff9510c302c0fb23704469a740355efccb57467cc8950d3bd [INFO] running `"docker" "start" "-a" "7479c4a97ee175eff9510c302c0fb23704469a740355efccb57467cc8950d3bd"` [INFO] [stderr] Compiling parser v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error: expected expression, found `=>` [INFO] [stderr] --> src/parser/lexer2.rs:36:33 [INFO] [stderr] | [INFO] [stderr] 36 | Some(val) if val != => { [INFO] [stderr] | ^^ expected expression [INFO] [stderr] [INFO] [stderr] error[E0557]: feature has been removed [INFO] [stderr] --> src/main.rs:1:28 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(slice_patterns, advanced_slice_patterns)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: merged into `#![feature(slice_patterns)]` [INFO] [stderr] --> src/main.rs:1:28 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(slice_patterns, advanced_slice_patterns)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(slice_patterns, advanced_slice_patterns)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/ast/leaf.rs:24:36 [INFO] [stderr] | [INFO] [stderr] 24 | fn accept(&self, visitor: &mut AstVisitor) { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn AstVisitor` [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/parser/ast/binop.rs:10:12 [INFO] [stderr] | [INFO] [stderr] 10 | l: Box, [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/ast/binop.rs:11:12 [INFO] [stderr] | [INFO] [stderr] 11 | r: Box [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/ast/binop.rs:15:43 [INFO] [stderr] | [INFO] [stderr] 15 | pub fn new(op: BinOperator, left: Box, right: Box) -> Box { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/ast/binop.rs:15:61 [INFO] [stderr] | [INFO] [stderr] 15 | pub fn new(op: BinOperator, left: Box, right: Box) -> Box { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/ast/binop.rs:27:28 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn left(&self) -> &Node { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/ast/binop.rs:31:29 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn right(&self) -> &Node { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/ast/binop.rs:37:36 [INFO] [stderr] | [INFO] [stderr] 37 | fn accept(&self, visitor: &mut AstVisitor) { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn AstVisitor` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/ast/unaryop.rs:10:14 [INFO] [stderr] | [INFO] [stderr] 10 | val: Box, [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/ast/unaryop.rs:14:44 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn new(op: UnaryOperator, val: Box) -> Box { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/ast/unaryop.rs:25:27 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn val(&self) -> &Node { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/ast/unaryop.rs:31:36 [INFO] [stderr] | [INFO] [stderr] 31 | fn accept(&self, visitor: &mut AstVisitor) { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn AstVisitor` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/ast/mod.rs:16:36 [INFO] [stderr] | [INFO] [stderr] 16 | fn accept(&self, visitor: &mut AstVisitor); [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn AstVisitor` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/parser.rs:14:58 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn evaluate(text: String) -> std::result::Result, ParseError> { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/parser.rs:22:39 [INFO] [stderr] | [INFO] [stderr] 22 | fn expr(tokens: Tokens) -> Result, Tokens> { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/parser.rs:36:39 [INFO] [stderr] | [INFO] [stderr] 36 | fn term(tokens: Tokens) -> Result, Tokens> { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/parser.rs:50:41 [INFO] [stderr] | [INFO] [stderr] 50 | fn parens(tokens: Tokens) -> Result, Tokens> { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/parser.rs:57:41 [INFO] [stderr] | [INFO] [stderr] 57 | fn factor(tokens: Tokens) -> Result, Tokens> { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/parser.rs:61:42 [INFO] [stderr] | [INFO] [stderr] 61 | fn integer(tokens: Tokens) -> Result, Tokens> { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/parser.rs:68:40 [INFO] [stderr] | [INFO] [stderr] 68 | fn unary(tokens: Tokens) -> Result, Tokens> { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Node` [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/parser/lexer2.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | / loop { [INFO] [stderr] 45 | | match chars.first() { [INFO] [stderr] 46 | | Some(val) => match get_digit(*val) { [INFO] [stderr] 47 | | Some(val) => { [INFO] [stderr] ... | [INFO] [stderr] 54 | | } [INFO] [stderr] 55 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0554, E0557. [INFO] [stderr] For more information about an error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `parser`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "7479c4a97ee175eff9510c302c0fb23704469a740355efccb57467cc8950d3bd"` [INFO] running `"docker" "rm" "-f" "7479c4a97ee175eff9510c302c0fb23704469a740355efccb57467cc8950d3bd"` [INFO] [stdout] 7479c4a97ee175eff9510c302c0fb23704469a740355efccb57467cc8950d3bd