[INFO] cloning repository https://github.com/StelarCF/slancf
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStelarCF%2Fslancf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2832a239d91bf7ebb7caf74b3792c9c19308b03d
[INFO] building StelarCF/slancf against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStelarCF%2Fslancf" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/StelarCF/slancf on toolchain 461e8078010433ff7de2db2aaae8a3cfb0847215
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/StelarCF/slancf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfaf06c415d4aa1db07738a82c459ae5a4301fe4eb058108ee8c869feb70d98b
[INFO] running `Command { std: "docker" "start" "-a" "dfaf06c415d4aa1db07738a82c459ae5a4301fe4eb058108ee8c869feb70d98b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfaf06c415d4aa1db07738a82c459ae5a4301fe4eb058108ee8c869feb70d98b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfaf06c415d4aa1db07738a82c459ae5a4301fe4eb058108ee8c869feb70d98b", kill_on_drop: false }`
[INFO] [stdout] dfaf06c415d4aa1db07738a82c459ae5a4301fe4eb058108ee8c869feb70d98b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e7406528482648d1e9c7249a142a9cb613452d946ac9e58b5ff984d78750c1f
[INFO] running `Command { std: "docker" "start" "-a" "6e7406528482648d1e9c7249a142a9cb613452d946ac9e58b5ff984d78750c1f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling slancf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lexer.rs:59:37
[INFO] [stdout]    |
[INFO] [stdout] 59 |             res.push(Token::Literal(try!(parse_literal(crt_string.clone()))));
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lexer.rs:93:48
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     res.push(Token::Expression(try!(lex(crt_string.clone()))));
[INFO] [stdout]    |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 try!(check_forming(&mut res, &mut crt_string, literal));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |                 try!(check_forming(&mut res, &mut crt_string, literal));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(check_forming(&mut res, &mut crt_string, literal));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:143:17
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 try!(check_forming(&mut res, &mut crt_string, literal));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         try!(check_forming(&mut res, &mut crt_string, literal));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 | ...                   let value = try!(self.into_type(token.clone()));
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         try!(self.parse(&expression));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/parser.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         match first_token {
[INFO] [stdout] 49 | |             Token::Name(s) => {
[INFO] [stdout] 50 | |                 match s.as_ref() {
[INFO] [stdout] 51 | |                     "print" => { // print key word
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | |             }
[INFO] [stdout] 80 | |         }
[INFO] [stdout]    | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 81 |           Ok(Type::Empty)
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "6e7406528482648d1e9c7249a142a9cb613452d946ac9e58b5ff984d78750c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e7406528482648d1e9c7249a142a9cb613452d946ac9e58b5ff984d78750c1f", kill_on_drop: false }`
[INFO] [stdout] 6e7406528482648d1e9c7249a142a9cb613452d946ac9e58b5ff984d78750c1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7de36ae513d3fc65c237e81825f47b12676682a8680fc9dac2a68eba189620f0
[INFO] running `Command { std: "docker" "start" "-a" "7de36ae513d3fc65c237e81825f47b12676682a8680fc9dac2a68eba189620f0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lexer.rs:59:37
[INFO] [stdout]    |
[INFO] [stdout] 59 |             res.push(Token::Literal(try!(parse_literal(crt_string.clone()))));
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling slancf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lexer.rs:93:48
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     res.push(Token::Expression(try!(lex(crt_string.clone()))));
[INFO] [stdout]    |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 try!(check_forming(&mut res, &mut crt_string, literal));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |                 try!(check_forming(&mut res, &mut crt_string, literal));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(check_forming(&mut res, &mut crt_string, literal));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:143:17
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 try!(check_forming(&mut res, &mut crt_string, literal));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         try!(check_forming(&mut res, &mut crt_string, literal));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 | ...                   let value = try!(self.into_type(token.clone()));
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         try!(self.parse(&expression));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/parser.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         match first_token {
[INFO] [stdout] 49 | |             Token::Name(s) => {
[INFO] [stdout] 50 | |                 match s.as_ref() {
[INFO] [stdout] 51 | |                     "print" => { // print key word
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | |             }
[INFO] [stdout] 80 | |         }
[INFO] [stdout]    | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 81 |           Ok(Type::Empty)
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.88s
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/slancf-6e539a72e3aa0a4d)
[INFO] running `Command { std: "docker" "inspect" "7de36ae513d3fc65c237e81825f47b12676682a8680fc9dac2a68eba189620f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7de36ae513d3fc65c237e81825f47b12676682a8680fc9dac2a68eba189620f0", kill_on_drop: false }`
[INFO] [stdout] 7de36ae513d3fc65c237e81825f47b12676682a8680fc9dac2a68eba189620f0