[INFO] updating cached repository https://github.com/mbyio/lcc
[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] 9dabf5ab19490f3378409b6b6d4c713342a9abbf
[INFO] checking mbyio/lcc against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbyio%2Flcc" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mbyio/lcc on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mbyio/lcc
[INFO] finished tweaking git repo https://github.com/mbyio/lcc
[INFO] tweaked toml for git repo https://github.com/mbyio/lcc written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mbyio/lcc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] fef7ecfa10758095604d792efa8d707e46a8ac9fafa2cb4841b048594b5282df
[INFO] running `"docker" "start" "-a" "fef7ecfa10758095604d792efa8d707e46a8ac9fafa2cb4841b048594b5282df"`
[INFO] [stderr]     Checking lcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:175:29
[INFO] [stderr]     |
[INFO] [stderr] 175 |     let mut current_value = try!(parse_var(tokens));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:176:26
[INFO] [stderr]     |
[INFO] [stderr] 176 |     let mut next_value = try!(parse_var(tokens));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:179:22
[INFO] [stderr]     |
[INFO] [stderr] 179 |         next_value = try!(parse_var(tokens));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:194:34
[INFO] [stderr]     |
[INFO] [stderr] 194 |         let arg = LambdaExp::Var(try!(tokens.consume_value(TokenKind::Variable)));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |         try!(tokens.consume(TokenKind::FuncDecEnd));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:196:25
[INFO] [stderr]     |
[INFO] [stderr] 196 |         let func_body = try!(parse_app(tokens));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:205:24
[INFO] [stderr]     |
[INFO] [stderr] 205 |         let contents = try!(parse_app(tokens));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |         try!(tokens.consume(TokenKind::RParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:385:28
[INFO] [stderr]     |
[INFO] [stderr] 385 |             let mut left = try!(parse_var(tokens));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:390:37
[INFO] [stderr]     |
[INFO] [stderr] 390 |                         let right = try!(parse_var(tokens));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:424:24
[INFO] [stderr]     |
[INFO] [stderr] 424 |             let body = try!(parse_app(tokens));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:434:24
[INFO] [stderr]     |
[INFO] [stderr] 434 |             let body = try!(parse_app(tokens));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |     tokens: Box<Iterator<Item=Token<'a>> + 'a>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token<'a>> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:312:20
[INFO] [stderr]     |
[INFO] [stderr] 312 |                 'a'...'z'
[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] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:313:26
[INFO] [stderr]     |
[INFO] [stderr] 313 |                     | 'A'...'Z'
[INFO] [stderr]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:314:26
[INFO] [stderr]     |
[INFO] [stderr] 314 |                     | '0'...'9'
[INFO] [stderr]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:322:20
[INFO] [stderr]     |
[INFO] [stderr] 322 |                 'a'...'z'
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:323:26
[INFO] [stderr]     |
[INFO] [stderr] 323 |                     | 'A'...'Z'
[INFO] [stderr]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:331:20
[INFO] [stderr]     |
[INFO] [stderr] 331 |                 '0'...'9' => true,
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:175:29
[INFO] [stderr]     |
[INFO] [stderr] 175 |     let mut current_value = try!(parse_var(tokens));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:176:26
[INFO] [stderr]     |
[INFO] [stderr] 176 |     let mut next_value = try!(parse_var(tokens));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:179:22
[INFO] [stderr]     |
[INFO] [stderr] 179 |         next_value = try!(parse_var(tokens));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:194:34
[INFO] [stderr]     |
[INFO] [stderr] 194 |         let arg = LambdaExp::Var(try!(tokens.consume_value(TokenKind::Variable)));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |         try!(tokens.consume(TokenKind::FuncDecEnd));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:196:25
[INFO] [stderr]     |
[INFO] [stderr] 196 |         let func_body = try!(parse_app(tokens));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:205:24
[INFO] [stderr]     |
[INFO] [stderr] 205 |         let contents = try!(parse_app(tokens));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |         try!(tokens.consume(TokenKind::RParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:385:28
[INFO] [stderr]     |
[INFO] [stderr] 385 |             let mut left = try!(parse_var(tokens));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:390:37
[INFO] [stderr]     |
[INFO] [stderr] 390 |                         let right = try!(parse_var(tokens));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:424:24
[INFO] [stderr]     |
[INFO] [stderr] 424 |             let body = try!(parse_app(tokens));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:434:24
[INFO] [stderr]     |
[INFO] [stderr] 434 |             let body = try!(parse_app(tokens));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |     tokens: Box<Iterator<Item=Token<'a>> + 'a>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token<'a>> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:312:20
[INFO] [stderr]     |
[INFO] [stderr] 312 |                 'a'...'z'
[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] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:313:26
[INFO] [stderr]     |
[INFO] [stderr] 313 |                     | 'A'...'Z'
[INFO] [stderr]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:314:26
[INFO] [stderr]     |
[INFO] [stderr] 314 |                     | '0'...'9'
[INFO] [stderr]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:322:20
[INFO] [stderr]     |
[INFO] [stderr] 322 |                 'a'...'z'
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:323:26
[INFO] [stderr]     |
[INFO] [stderr] 323 |                     | 'A'...'Z'
[INFO] [stderr]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:331:20
[INFO] [stderr]     |
[INFO] [stderr] 331 |                 '0'...'9' => true,
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new(kind: TokenKind) -> Token<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_value`
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn with_value(kind: TokenKind, value: &'a str) -> Token<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn new(s: &'a str) -> TokenStream<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_next`
[INFO] [stderr]    --> src/main.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     fn has_next(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parenthesize`
[INFO] [stderr]    --> src/main.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn parenthesize(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `substitute`
[INFO] [stderr]    --> src/main.rs:455:5
[INFO] [stderr]     |
[INFO] [stderr] 455 |     fn substitute(&self, target: &str, repl: &LE<'s>) -> LE<'s> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new(kind: TokenKind) -> Token<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_value`
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn with_value(kind: TokenKind, value: &'a str) -> Token<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn new(s: &'a str) -> TokenStream<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_next`
[INFO] [stderr]    --> src/main.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     fn has_next(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parenthesize`
[INFO] [stderr]    --> src/main.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn parenthesize(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "fef7ecfa10758095604d792efa8d707e46a8ac9fafa2cb4841b048594b5282df"`
[INFO] running `"docker" "rm" "-f" "fef7ecfa10758095604d792efa8d707e46a8ac9fafa2cb4841b048594b5282df"`
[INFO] [stdout] fef7ecfa10758095604d792efa8d707e46a8ac9fafa2cb4841b048594b5282df