[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/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/steffenhaug/lie-parser"` [INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/steffenhaug/lie-parser'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/steffenhaug/lie-parser" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/steffenhaug/lie-parser"` [INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/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 master#39401465da4ce27aeeb2c2a26133ac35c63aa515 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of steffenhaug/lie-parser on toolchain try#f45cc3094ee337acd688771b9234318046b0572d [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "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/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/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/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/steffenhaug/lie-parser/Cargo.toml [INFO] crate steffenhaug/lie-parser already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking steffenhaug/lie-parser against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-4/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/steffenhaug/lie-parser:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 9cb99560521690724e86deba4615e0b50483906fd4d300eea2cb706c56e82ddd [INFO] running `"docker" "start" "-a" "9cb99560521690724e86deba4615e0b50483906fd4d300eea2cb706c56e82ddd"` [INFO] [stderr] Checking bytecount v0.1.7 [INFO] [stderr] Checking termion v1.5.1 [INFO] [stderr] Checking 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] [INFO] [stderr] Checking parser v0.1.0 (/opt/crater/workdir) [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] 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 3.61s [INFO] running `"docker" "inspect" "9cb99560521690724e86deba4615e0b50483906fd4d300eea2cb706c56e82ddd"` [INFO] running `"docker" "rm" "-f" "9cb99560521690724e86deba4615e0b50483906fd4d300eea2cb706c56e82ddd"` [INFO] [stdout] 9cb99560521690724e86deba4615e0b50483906fd4d300eea2cb706c56e82ddd