[INFO] updating cached repository https://github.com/RobMor/rust_regex
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5ac2c685cadc760c0c4f7532a2550ca11f788e03
[INFO] checking RobMor/rust_regex against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobMor%2Frust_regex" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RobMor/rust_regex on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/RobMor/rust_regex
[INFO] finished tweaking git repo https://github.com/RobMor/rust_regex
[INFO] tweaked toml for git repo https://github.com/RobMor/rust_regex written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/RobMor/rust_regex already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 369bc4981cb7ea8f0454362bc696194f6a41585a0823904e2db1c8bf8a5405dc
[INFO] running `"docker" "start" "-a" "369bc4981cb7ea8f0454362bc696194f6a41585a0823904e2db1c8bf8a5405dc"`
[INFO] [stderr]     Checking rust_regex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected identifier, found keyword `while`
[INFO] [stderr]   --> src/main.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 while n.check(&string[1..]) {}
[INFO] [stderr]    |                 ^^^^^ expected identifier, found keyword
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `:`, `;`, `=`, `@`, or `|`, found `n`
[INFO] [stderr]   --> src/main.rs:62:23
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 while n.check(&string[1..]) {}
[INFO] [stderr]    |                       ^ expected one of `:`, `;`, `=`, `@`, or `|`
[INFO] [stderr] 
[INFO] [stderr] error: expected `;` or `{`, found `}`
[INFO] [stderr]   --> src/main.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | impl NFA {
[INFO] [stderr]    |          - while parsing this item list starting here
[INFO] [stderr] ...
[INFO] [stderr] 72 | }
[INFO] [stderr]    | ^
[INFO] [stderr]    | |
[INFO] [stderr]    | expected `;` or `{`
[INFO] [stderr]    | the item list ends here
[INFO] [stderr] 
[INFO] [stderr] error: expected identifier, found keyword `while`
[INFO] [stderr]   --> src/main.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 while n.check(&string[1..]) {}
[INFO] [stderr]    |                 ^^^^^ expected identifier, found keyword
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `:`, `;`, `=`, `@`, or `|`, found `n`
[INFO] [stderr]   --> src/main.rs:62:23
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 while n.check(&string[1..]) {}
[INFO] [stderr]    |                       ^ expected one of `:`, `;`, `=`, `@`, or `|`
[INFO] [stderr] 
[INFO] [stderr] error: expected `;` or `{`, found `}`
[INFO] [stderr]   --> src/main.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | impl NFA {
[INFO] [stderr]    |          - while parsing this item list starting here
[INFO] [stderr] ...
[INFO] [stderr] 72 | }
[INFO] [stderr]    | ^
[INFO] [stderr]    | |
[INFO] [stderr]    | expected `;` or `{`
[INFO] [stderr]    | the item list ends here
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/main.rs:25:20
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 'A'...'z' => stack.push(NFA::CharNode(c)),
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:53:29
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     None => false,
[INFO] [stderr]    |                             ^^^^^ expected `&str`, found `bool`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 l.check(&string) || r.check(&string)
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^ expected `bool`, found `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:58:37
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 l.check(&string) || r.check(&string)
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^ expected `bool`, found `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 l.check(&string) || r.check(&string)
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&str`, found `bool`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 l.check(&string[1..]) && r.check(&string[1..])
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `&str`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/main.rs:25:20
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 'A'...'z' => stack.push(NFA::CharNode(c)),
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:66:42
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 l.check(&string[1..]) && r.check(&string[1..])
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 l.check(&string[1..]) && r.check(&string[1..])
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&str`, found `bool`
[INFO] [stderr] 
[INFO] [stderr] error[E0600]: cannot apply unary operator `!` to type `&str`
[INFO] [stderr]   --> src/main.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     assert!(exp.check("abccbbbccbb"));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot apply unary operator `!`
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0600]: cannot apply unary operator `!` to type `&str`
[INFO] [stderr]   --> src/main.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |     assert!(!exp.check("abcd"));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ cannot apply unary operator `!`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 12 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0600.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `rust_regex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:53:29
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     None => false,
[INFO] [stderr]    |                             ^^^^^ expected `&str`, found `bool`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 l.check(&string) || r.check(&string)
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^ expected `bool`, found `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:58:37
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 l.check(&string) || r.check(&string)
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^ expected `bool`, found `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 l.check(&string) || r.check(&string)
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&str`, found `bool`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 l.check(&string[1..]) && r.check(&string[1..])
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:66:42
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 l.check(&string[1..]) && r.check(&string[1..])
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 l.check(&string[1..]) && r.check(&string[1..])
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&str`, found `bool`
[INFO] [stderr] 
[INFO] [stderr] error[E0600]: cannot apply unary operator `!` to type `&str`
[INFO] [stderr]   --> src/main.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     assert!(exp.check("abccbbbccbb"));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot apply unary operator `!`
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0600]: cannot apply unary operator `!` to type `&str`
[INFO] [stderr]   --> src/main.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |     assert!(!exp.check("abcd"));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ cannot apply unary operator `!`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 12 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0600.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `rust_regex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "369bc4981cb7ea8f0454362bc696194f6a41585a0823904e2db1c8bf8a5405dc"`
[INFO] running `"docker" "rm" "-f" "369bc4981cb7ea8f0454362bc696194f6a41585a0823904e2db1c8bf8a5405dc"`
[INFO] [stdout] 369bc4981cb7ea8f0454362bc696194f6a41585a0823904e2db1c8bf8a5405dc
