[INFO] fetching crate maroon 0.1.0...
[INFO] checking maroon-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate maroon 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate maroon 0.1.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-tc2/source/Cargo.toml
[INFO] crate crates.io crate maroon 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 014b4766ba1f7f8be0b63c427dba04d896b7953f6a0c97b459e8c5671c986fd4
[INFO] running `Command { std: "docker" "start" "-a" "014b4766ba1f7f8be0b63c427dba04d896b7953f6a0c97b459e8c5671c986fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "014b4766ba1f7f8be0b63c427dba04d896b7953f6a0c97b459e8c5671c986fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "014b4766ba1f7f8be0b63c427dba04d896b7953f6a0c97b459e8c5671c986fd4", kill_on_drop: false }`
[INFO] [stdout] 014b4766ba1f7f8be0b63c427dba04d896b7953f6a0c97b459e8c5671c986fd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4304e68b7f9be29c863e88acae4dc1d7bee9141da2af49d848c0ac387863730
[INFO] running `Command { std: "docker" "start" "-a" "b4304e68b7f9be29c863e88acae4dc1d7bee9141da2af49d848c0ac387863730", kill_on_drop: false }`
[INFO] [stderr]     Checking maroon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/parser.rs:114:3
[INFO] [stdout]     |
[INFO] [stdout] 101 | /   loop {
[INFO] [stdout] 102 | |     match tokens.peek() {
[INFO] [stdout] 103 | |       Some(Token::CBRACKET(line)) => {
[INFO] [stdout] 104 | |         tokens.next();
[INFO] [stdout] ...   |
[INFO] [stdout] 112 | |     };
[INFO] [stdout] 113 | |   }
[INFO] [stdout]     | |___- any code following this expression is unreachable
[INFO] [stdout] 114 |     Err(ParseError::Unknown(2))
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/parser.rs:133:3
[INFO] [stdout]     |
[INFO] [stdout] 120 | /   loop {
[INFO] [stdout] 121 | |     match tokens.peek() {
[INFO] [stdout] 122 | |       Some(Token::CPAREN(line)) => {
[INFO] [stdout] 123 | |         tokens.next();
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |     };
[INFO] [stdout] 132 | |   }
[INFO] [stdout]     | |___- any code following this expression is unreachable
[INFO] [stdout] 133 |     Err(ParseError::Unknown(3))
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/parser.rs:114:3
[INFO] [stdout]     |
[INFO] [stdout] 101 | /   loop {
[INFO] [stdout] 102 | |     match tokens.peek() {
[INFO] [stdout] 103 | |       Some(Token::CBRACKET(line)) => {
[INFO] [stdout] 104 | |         tokens.next();
[INFO] [stdout] ...   |
[INFO] [stdout] 112 | |     };
[INFO] [stdout] 113 | |   }
[INFO] [stdout]     | |___- any code following this expression is unreachable
[INFO] [stdout] 114 |     Err(ParseError::Unknown(2))
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/parser.rs:133:3
[INFO] [stdout]     |
[INFO] [stdout] 120 | /   loop {
[INFO] [stdout] 121 | |     match tokens.peek() {
[INFO] [stdout] 122 | |       Some(Token::CPAREN(line)) => {
[INFO] [stdout] 123 | |         tokens.next();
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |     };
[INFO] [stdout] 132 | |   }
[INFO] [stdout]     | |___- any code following this expression is unreachable
[INFO] [stdout] 133 |     Err(ParseError::Unknown(3))
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fndec`
[INFO] [stdout]    --> src/parser.rs:151:19
[INFO] [stdout]     |
[INFO] [stdout] 151 |               let fndec = stmt[0].clone();
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_fndec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `builtins` is never used
[INFO] [stdout]   --> src/parser.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const builtins: &'static [&'static str] = &[
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fndec`
[INFO] [stdout]    --> src/parser.rs:151:19
[INFO] [stdout]     |
[INFO] [stdout] 151 |               let fndec = stmt[0].clone();
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_fndec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `keywords` should have an upper case name
[INFO] [stdout]   --> src/parser.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const keywords: &'static [&'static str] = &[
[INFO] [stdout]    |       ^^^^^^^^ help: convert the identifier to upper case: `KEYWORDS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `builtins` should have an upper case name
[INFO] [stdout]   --> src/parser.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const builtins: &'static [&'static str] = &[
[INFO] [stdout]    |       ^^^^^^^^ help: convert the identifier to upper case: `BUILTINS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `builtins` is never used
[INFO] [stdout]   --> src/parser.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const builtins: &'static [&'static str] = &[
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `keywords` should have an upper case name
[INFO] [stdout]   --> src/parser.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const keywords: &'static [&'static str] = &[
[INFO] [stdout]    |       ^^^^^^^^ help: convert the identifier to upper case: `KEYWORDS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `builtins` should have an upper case name
[INFO] [stdout]   --> src/parser.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const builtins: &'static [&'static str] = &[
[INFO] [stdout]    |       ^^^^^^^^ help: convert the identifier to upper case: `BUILTINS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "b4304e68b7f9be29c863e88acae4dc1d7bee9141da2af49d848c0ac387863730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4304e68b7f9be29c863e88acae4dc1d7bee9141da2af49d848c0ac387863730", kill_on_drop: false }`
[INFO] [stdout] b4304e68b7f9be29c863e88acae4dc1d7bee9141da2af49d848c0ac387863730