[INFO] updating cached repository steffenhaug/lie-parser [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/steffenhaug/lie-parser [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/steffenhaug/lie-parser" "work/ex/beta-1.38-1/sources/1.37.0/gh/steffenhaug/lie-parser"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/steffenhaug/lie-parser'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/steffenhaug/lie-parser" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/steffenhaug/lie-parser"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/steffenhaug/lie-parser'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 574c4cb19e9bd3c726aa7b1520a625ed33757218 [INFO] sha for GitHub repo steffenhaug/lie-parser: 574c4cb19e9bd3c726aa7b1520a625ed33757218 [INFO] validating manifest of steffenhaug/lie-parser 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 steffenhaug/lie-parser 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 steffenhaug/lie-parser [INFO] finished frobbing steffenhaug/lie-parser [INFO] frobbed toml for steffenhaug/lie-parser written to work/ex/beta-1.38-1/sources/1.37.0/gh/steffenhaug/lie-parser/Cargo.toml [INFO] started frobbing steffenhaug/lie-parser [INFO] finished frobbing steffenhaug/lie-parser [INFO] frobbed toml for steffenhaug/lie-parser written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/steffenhaug/lie-parser/Cargo.toml [INFO] crate steffenhaug/lie-parser 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing steffenhaug/lie-parser 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/steffenhaug/lie-parser:/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] a93251e2b78a5c3c4e88e12933d485e4545e20cdb816863e66dd6e08b718f4e9 [INFO] running `"docker" "start" "-a" "a93251e2b78a5c3c4e88e12933d485e4545e20cdb816863e66dd6e08b718f4e9"` [INFO] [stderr] Compiling liner v0.4.4 [INFO] [stderr] warning[E0503]: cannot use `self.key_bindings` because it was mutably borrowed [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/liner-0.4.4/src/context.rs:98:17 [INFO] [stderr] | [INFO] [stderr] 96 | let ed = try!(Editor::new_with_init_buffer(stdout, prompt, self, buffer)); [INFO] [stderr] | ---- borrow of `*self` occurs here [INFO] [stderr] 97 | match self.key_bindings { [INFO] [stderr] 98 | KeyBindings::Emacs => Self::handle_keys(keymap::Emacs::new(ed), handler), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ use of borrowed `*self` [INFO] [stderr] 99 | KeyBindings::Vi => Self::handle_keys(keymap::Vi::new(ed), handler), [INFO] [stderr] | -- borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling parser v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lexer.rs:157:35 [INFO] [stderr] | [INFO] [stderr] 157 | type LexResult = Result>; [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:392:21 [INFO] [stderr] | [INFO] [stderr] 392 | let mut args = parser.expression_list(Lexeme::RightParen)?; [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: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:441:21 [INFO] [stderr] | [INFO] [stderr] 441 | let mut start = self.nud(parser)?; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.17s [INFO] running `"docker" "inspect" "a93251e2b78a5c3c4e88e12933d485e4545e20cdb816863e66dd6e08b718f4e9"` [INFO] running `"docker" "rm" "-f" "a93251e2b78a5c3c4e88e12933d485e4545e20cdb816863e66dd6e08b718f4e9"` [INFO] [stdout] a93251e2b78a5c3c4e88e12933d485e4545e20cdb816863e66dd6e08b718f4e9 [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/steffenhaug/lie-parser:/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] d5cfc83395ad2ffd17bfe9b93736346a645bc7487d5bf784bc7920e9bab4db02 [INFO] running `"docker" "start" "-a" "d5cfc83395ad2ffd17bfe9b93736346a645bc7487d5bf784bc7920e9bab4db02"` [INFO] [stderr] Compiling parser v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lexer.rs:157:35 [INFO] [stderr] | [INFO] [stderr] 157 | type LexResult = Result>; [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:392:21 [INFO] [stderr] | [INFO] [stderr] 392 | let mut args = parser.expression_list(Lexeme::RightParen)?; [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: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:441:21 [INFO] [stderr] | [INFO] [stderr] 441 | let mut start = self.nud(parser)?; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.84s [INFO] running `"docker" "inspect" "d5cfc83395ad2ffd17bfe9b93736346a645bc7487d5bf784bc7920e9bab4db02"` [INFO] running `"docker" "rm" "-f" "d5cfc83395ad2ffd17bfe9b93736346a645bc7487d5bf784bc7920e9bab4db02"` [INFO] [stdout] d5cfc83395ad2ffd17bfe9b93736346a645bc7487d5bf784bc7920e9bab4db02 [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/steffenhaug/lie-parser:/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] 05d4a2e6cd5084ffb18e8a4bc8a8e59c8ee48a20057e429209d03f28d7ab1a98 [INFO] running `"docker" "start" "-a" "05d4a2e6cd5084ffb18e8a4bc8a8e59c8ee48a20057e429209d03f28d7ab1a98"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/parser-b6dfad30e2e7fd2c [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stdout] test lexer::test::lex_empty_string ... ok [INFO] [stdout] test lexer::test::lex_file ... ok [INFO] [stdout] test lexer::test::test_character_classes ... ok [INFO] [stdout] test lexer::test::lexer_skips_whitespace ... ok [INFO] [stdout] test stream::test::test_line_break ... ok [INFO] [stdout] test stream::test::test_peek_is ... ok [INFO] [stdout] test stream::test::test_push ... ok [INFO] [stdout] test stream::test::test_peek_is_digit ... ok [INFO] [stdout] test lexer::test::test_lex_numbers ... ok [INFO] [stdout] test lexer::test::lex_operators ... ok [INFO] [stdout] test stream::test::test_advance ... ok [INFO] [stdout] test stream::test::test_empty_stream ... ok [INFO] [stdout] test lexer::test::lexer_skips_comment ... ok [INFO] [stdout] test lexer::test::lexer_skips_multiline_comment ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "05d4a2e6cd5084ffb18e8a4bc8a8e59c8ee48a20057e429209d03f28d7ab1a98"` [INFO] running `"docker" "rm" "-f" "05d4a2e6cd5084ffb18e8a4bc8a8e59c8ee48a20057e429209d03f28d7ab1a98"` [INFO] [stdout] 05d4a2e6cd5084ffb18e8a4bc8a8e59c8ee48a20057e429209d03f28d7ab1a98