[INFO] cloning repository https://github.com/StelarCF/slancf
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/StelarCF/slancf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStelarCF%2Fslancf"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStelarCF%2Fslancf'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2832a239d91bf7ebb7caf74b3792c9c19308b03d
[INFO] checking StelarCF/slancf against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStelarCF%2Fslancf" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/StelarCF/slancf 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/StelarCF/slancf
[INFO] finished tweaking git repo https://github.com/StelarCF/slancf
[INFO] tweaked toml for git repo https://github.com/StelarCF/slancf written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/StelarCF/slancf 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 08b63e74b5aa887e6f0ce980cb9f02808b3f1a386c921b6cbc5a03cf5c74b747
[INFO] running `"docker" "start" "-a" "08b63e74b5aa887e6f0ce980cb9f02808b3f1a386c921b6cbc5a03cf5c74b747"`
[INFO] [stderr]     Checking slancf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lexer.rs:59:37
[INFO] [stderr]    |
[INFO] [stderr] 59 |             res.push(Token::Literal(try!(parse_literal(crt_string.clone()))));
[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/lexer.rs:93:48
[INFO] [stderr]    |
[INFO] [stderr] 93 |                     res.push(Token::Expression(try!(lex(crt_string.clone()))));
[INFO] [stderr]    |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:109:17
[INFO] [stderr]     |
[INFO] [stderr] 109 |                 try!(check_forming(&mut res, &mut crt_string, literal));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |                 try!(check_forming(&mut res, &mut crt_string, literal));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(check_forming(&mut res, &mut crt_string, literal));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:143:17
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 try!(check_forming(&mut res, &mut crt_string, literal));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         try!(check_forming(&mut res, &mut crt_string, literal));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:53:41
[INFO] [stderr]    |
[INFO] [stderr] 53 | ...                   let value = try!(self.into_type(token.clone()));
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         try!(self.parse(&expression));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/parser.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 48 | /         match first_token {
[INFO] [stderr] 49 | |             Token::Name(s) => {
[INFO] [stderr] 50 | |                 match s.as_ref() {
[INFO] [stderr] 51 | |                     "print" => { // print key word
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |             }
[INFO] [stderr] 80 | |         }
[INFO] [stderr]    | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr] 81 |           Ok(Type::Empty)
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lexer.rs:59:37
[INFO] [stderr]    |
[INFO] [stderr] 59 |             res.push(Token::Literal(try!(parse_literal(crt_string.clone()))));
[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/lexer.rs:93:48
[INFO] [stderr]    |
[INFO] [stderr] 93 |                     res.push(Token::Expression(try!(lex(crt_string.clone()))));
[INFO] [stderr]    |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:109:17
[INFO] [stderr]     |
[INFO] [stderr] 109 |                 try!(check_forming(&mut res, &mut crt_string, literal));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |                 try!(check_forming(&mut res, &mut crt_string, literal));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(check_forming(&mut res, &mut crt_string, literal));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:143:17
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 try!(check_forming(&mut res, &mut crt_string, literal));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         try!(check_forming(&mut res, &mut crt_string, literal));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:53:41
[INFO] [stderr]    |
[INFO] [stderr] 53 | ...                   let value = try!(self.into_type(token.clone()));
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         try!(self.parse(&expression));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/parser.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 48 | /         match first_token {
[INFO] [stderr] 49 | |             Token::Name(s) => {
[INFO] [stderr] 50 | |                 match s.as_ref() {
[INFO] [stderr] 51 | |                     "print" => { // print key word
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |             }
[INFO] [stderr] 80 | |         }
[INFO] [stderr]    | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr] 81 |           Ok(Type::Empty)
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "08b63e74b5aa887e6f0ce980cb9f02808b3f1a386c921b6cbc5a03cf5c74b747"`
[INFO] running `"docker" "rm" "-f" "08b63e74b5aa887e6f0ce980cb9f02808b3f1a386c921b6cbc5a03cf5c74b747"`
[INFO] [stdout] 08b63e74b5aa887e6f0ce980cb9f02808b3f1a386c921b6cbc5a03cf5c74b747