[INFO] crate maroon 0.1.0 is already in cache
[INFO] testing maroon-0.1.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate maroon 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate maroon 0.1.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate maroon 0.1.0
[INFO] finished tweaking crates.io crate maroon 0.1.0
[INFO] tweaked toml for crates.io crate maroon 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate maroon 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 90bc61f8ddac3a73446f9eef49d5541491e9f18fd3c78d9a5b2c2793da900a64
[INFO] running `"docker" "start" "-a" "90bc61f8ddac3a73446f9eef49d5541491e9f18fd3c78d9a5b2c2793da900a64"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling maroon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/parser.rs:114:3
[INFO] [stderr]     |
[INFO] [stderr] 101 | /   loop {
[INFO] [stderr] 102 | |     match tokens.peek() {
[INFO] [stderr] 103 | |       Some(Token::CBRACKET(line)) => {
[INFO] [stderr] 104 | |         tokens.next();
[INFO] [stderr] ...   |
[INFO] [stderr] 112 | |     };
[INFO] [stderr] 113 | |   }
[INFO] [stderr]     | |___- any code following this expression is unreachable
[INFO] [stderr] 114 |     Err(ParseError::Unknown(2))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/parser.rs:133:3
[INFO] [stderr]     |
[INFO] [stderr] 120 | /   loop {
[INFO] [stderr] 121 | |     match tokens.peek() {
[INFO] [stderr] 122 | |       Some(Token::CPAREN(line)) => {
[INFO] [stderr] 123 | |         tokens.next();
[INFO] [stderr] ...   |
[INFO] [stderr] 131 | |     };
[INFO] [stderr] 132 | |   }
[INFO] [stderr]     | |___- any code following this expression is unreachable
[INFO] [stderr] 133 |     Err(ParseError::Unknown(3))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fndec`
[INFO] [stderr]    --> src/parser.rs:151:19
[INFO] [stderr]     |
[INFO] [stderr] 151 |               let fndec = stmt[0].clone();
[INFO] [stderr]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_fndec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `builtins`
[INFO] [stderr]   --> src/parser.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / const builtins: &'static [&'static str] = &[
[INFO] [stderr] 17 | |   ".", ":", "+", "-", "*", "/", "//", "^", "pow", "sqrt",
[INFO] [stderr] 18 | |   "and", "or", "not", "==", "!=", "&&", "||", "!",
[INFO] [stderr] 19 | |   "print", "type"
[INFO] [stderr] 20 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `keywords` should have an upper case name
[INFO] [stderr]   --> src/parser.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 | const keywords: &'static [&'static str] = &[
[INFO] [stderr]    |       ^^^^^^^^ help: convert the identifier to upper case: `KEYWORDS`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `builtins` should have an upper case name
[INFO] [stderr]   --> src/parser.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | const builtins: &'static [&'static str] = &[
[INFO] [stderr]    |       ^^^^^^^^ help: convert the identifier to upper case: `BUILTINS`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "90bc61f8ddac3a73446f9eef49d5541491e9f18fd3c78d9a5b2c2793da900a64"`
[INFO] running `"docker" "rm" "-f" "90bc61f8ddac3a73446f9eef49d5541491e9f18fd3c78d9a5b2c2793da900a64"`
[INFO] [stdout] 90bc61f8ddac3a73446f9eef49d5541491e9f18fd3c78d9a5b2c2793da900a64
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] b1953a1b9a515b7a5961e9e9b1b8e0d5fecfe8a9a3cb09aa56271c3eb870f981
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b1953a1b9a515b7a5961e9e9b1b8e0d5fecfe8a9a3cb09aa56271c3eb870f981"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling maroon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/parser.rs:114:3
[INFO] [stderr]     |
[INFO] [stderr] 101 | /   loop {
[INFO] [stderr] 102 | |     match tokens.peek() {
[INFO] [stderr] 103 | |       Some(Token::CBRACKET(line)) => {
[INFO] [stderr] 104 | |         tokens.next();
[INFO] [stderr] ...   |
[INFO] [stderr] 112 | |     };
[INFO] [stderr] 113 | |   }
[INFO] [stderr]     | |___- any code following this expression is unreachable
[INFO] [stderr] 114 |     Err(ParseError::Unknown(2))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/parser.rs:133:3
[INFO] [stderr]     |
[INFO] [stderr] 120 | /   loop {
[INFO] [stderr] 121 | |     match tokens.peek() {
[INFO] [stderr] 122 | |       Some(Token::CPAREN(line)) => {
[INFO] [stderr] 123 | |         tokens.next();
[INFO] [stderr] ...   |
[INFO] [stderr] 131 | |     };
[INFO] [stderr] 132 | |   }
[INFO] [stderr]     | |___- any code following this expression is unreachable
[INFO] [stderr] 133 |     Err(ParseError::Unknown(3))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fndec`
[INFO] [stderr]    --> src/parser.rs:151:19
[INFO] [stderr]     |
[INFO] [stderr] 151 |               let fndec = stmt[0].clone();
[INFO] [stderr]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_fndec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `builtins`
[INFO] [stderr]   --> src/parser.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / const builtins: &'static [&'static str] = &[
[INFO] [stderr] 17 | |   ".", ":", "+", "-", "*", "/", "//", "^", "pow", "sqrt",
[INFO] [stderr] 18 | |   "and", "or", "not", "==", "!=", "&&", "||", "!",
[INFO] [stderr] 19 | |   "print", "type"
[INFO] [stderr] 20 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `keywords` should have an upper case name
[INFO] [stderr]   --> src/parser.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 | const keywords: &'static [&'static str] = &[
[INFO] [stderr]    |       ^^^^^^^^ help: convert the identifier to upper case: `KEYWORDS`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `builtins` should have an upper case name
[INFO] [stderr]   --> src/parser.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | const builtins: &'static [&'static str] = &[
[INFO] [stderr]    |       ^^^^^^^^ help: convert the identifier to upper case: `BUILTINS`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "b1953a1b9a515b7a5961e9e9b1b8e0d5fecfe8a9a3cb09aa56271c3eb870f981"`
[INFO] running `"docker" "rm" "-f" "b1953a1b9a515b7a5961e9e9b1b8e0d5fecfe8a9a3cb09aa56271c3eb870f981"`
[INFO] [stdout] b1953a1b9a515b7a5961e9e9b1b8e0d5fecfe8a9a3cb09aa56271c3eb870f981
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3ca28ae01768ffbd9d79ff320d85e269e16133dc7a482914f9f59fac70fa769a
[INFO] running `"docker" "start" "-a" "3ca28ae01768ffbd9d79ff320d85e269e16133dc7a482914f9f59fac70fa769a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/parser.rs:114:3
[INFO] [stderr]     |
[INFO] [stderr] 101 | /   loop {
[INFO] [stderr] 102 | |     match tokens.peek() {
[INFO] [stderr] 103 | |       Some(Token::CBRACKET(line)) => {
[INFO] [stderr] 104 | |         tokens.next();
[INFO] [stderr] ...   |
[INFO] [stderr] 112 | |     };
[INFO] [stderr] 113 | |   }
[INFO] [stderr]     | |___- any code following this expression is unreachable
[INFO] [stderr] 114 |     Err(ParseError::Unknown(2))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/parser.rs:133:3
[INFO] [stderr]     |
[INFO] [stderr] 120 | /   loop {
[INFO] [stderr] 121 | |     match tokens.peek() {
[INFO] [stderr] 122 | |       Some(Token::CPAREN(line)) => {
[INFO] [stderr] 123 | |         tokens.next();
[INFO] [stderr] ...   |
[INFO] [stderr] 131 | |     };
[INFO] [stderr] 132 | |   }
[INFO] [stderr]     | |___- any code following this expression is unreachable
[INFO] [stderr] 133 |     Err(ParseError::Unknown(3))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fndec`
[INFO] [stderr]    --> src/parser.rs:151:19
[INFO] [stderr]     |
[INFO] [stderr] 151 |               let fndec = stmt[0].clone();
[INFO] [stderr]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_fndec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `builtins`
[INFO] [stderr]   --> src/parser.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / const builtins: &'static [&'static str] = &[
[INFO] [stderr] 17 | |   ".", ":", "+", "-", "*", "/", "//", "^", "pow", "sqrt",
[INFO] [stderr] 18 | |   "and", "or", "not", "==", "!=", "&&", "||", "!",
[INFO] [stderr] 19 | |   "print", "type"
[INFO] [stderr] 20 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `keywords` should have an upper case name
[INFO] [stderr]   --> src/parser.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 | const keywords: &'static [&'static str] = &[
[INFO] [stderr]    |       ^^^^^^^^ help: convert the identifier to upper case: `KEYWORDS`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `builtins` should have an upper case name
[INFO] [stderr]   --> src/parser.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | const builtins: &'static [&'static str] = &[
[INFO] [stderr]    |       ^^^^^^^^ help: convert the identifier to upper case: `BUILTINS`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/maroon-a391daca936d58d5
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3ca28ae01768ffbd9d79ff320d85e269e16133dc7a482914f9f59fac70fa769a"`
[INFO] running `"docker" "rm" "-f" "3ca28ae01768ffbd9d79ff320d85e269e16133dc7a482914f9f59fac70fa769a"`
[INFO] [stdout] 3ca28ae01768ffbd9d79ff320d85e269e16133dc7a482914f9f59fac70fa769a