[INFO] cloning repository https://github.com/wijiler/Ferriclang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wijiler/Ferriclang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwijiler%2FFerriclang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwijiler%2FFerriclang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c07c179c54bb83e113dc10099c44cc5105ce537
[INFO] checking wijiler/Ferriclang against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwijiler%2FFerriclang" "/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/wijiler/Ferriclang on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wijiler/Ferriclang
[INFO] finished tweaking git repo https://github.com/wijiler/Ferriclang
[INFO] tweaked toml for git repo https://github.com/wijiler/Ferriclang written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/wijiler/Ferriclang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f87056aefa1168cd391aa9d68dca5084c40df538252e1bccb10bee4c6eb23812
[INFO] running `Command { std: "docker" "start" "-a" "f87056aefa1168cd391aa9d68dca5084c40df538252e1bccb10bee4c6eb23812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f87056aefa1168cd391aa9d68dca5084c40df538252e1bccb10bee4c6eb23812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f87056aefa1168cd391aa9d68dca5084c40df538252e1bccb10bee4c6eb23812", kill_on_drop: false }`
[INFO] [stdout] f87056aefa1168cd391aa9d68dca5084c40df538252e1bccb10bee4c6eb23812
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ef90497aafef578ef725cdad44ef3feaf476212ce4a0f3bfdcd89ef7b42597a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1ef90497aafef578ef725cdad44ef3feaf476212ce4a0f3bfdcd89ef7b42597a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ferriclang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::lexer::token::*`
[INFO] [stdout]  --> src/compiler/comp.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::lexer::token::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lexer::token::*`
[INFO] [stdout]  --> src/compiler/comp.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::lexer::token::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lexadvancer`
[INFO] [stdout]   --> src/compiler/comp.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn lexadvancer() {}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plus`
[INFO] [stdout]  --> src/lexer/token.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Plus,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Lparen`
[INFO] [stdout]  --> src/lexer/token.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Lparen,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Rparen`
[INFO] [stdout]  --> src/lexer/token.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Rparen,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Colon`
[INFO] [stdout]  --> src/lexer/token.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Colon,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ColonColon`
[INFO] [stdout]   --> src/lexer/token.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     ColonColon,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Semi`
[INFO] [stdout]   --> src/lexer/token.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Semi,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Rbrack`
[INFO] [stdout]   --> src/lexer/token.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Rbrack,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Lbrack`
[INFO] [stdout]   --> src/lexer/token.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Lbrack,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RCbrack`
[INFO] [stdout]   --> src/lexer/token.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     RCbrack,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LCbrack`
[INFO] [stdout]   --> src/lexer/token.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     LCbrack,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GT`
[INFO] [stdout]   --> src/lexer/token.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     GT,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LT`
[INFO] [stdout]   --> src/lexer/token.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     LT,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OArrowfunc`
[INFO] [stdout]   --> src/lexer/token.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     OArrowfunc,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CArrowfunc`
[INFO] [stdout]   --> src/lexer/token.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     CArrowfunc,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GTET`
[INFO] [stdout]   --> src/lexer/token.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     GTET,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LTET`
[INFO] [stdout]   --> src/lexer/token.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     LTET,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Equals`
[INFO] [stdout]   --> src/lexer/token.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Equals,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Minus`
[INFO] [stdout]   --> src/lexer/token.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Minus,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> src/lexer/token.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Int,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/lexer/token.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Float,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]   --> src/lexer/token.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `True`
[INFO] [stdout]   --> src/lexer/token.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     True,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `False`
[INFO] [stdout]   --> src/lexer/token.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     False,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Fn`
[INFO] [stdout]   --> src/lexer/token.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Fn,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/lexer/token.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lexadvancer`
[INFO] [stdout]   --> src/compiler/comp.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn lexadvancer() {}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plus`
[INFO] [stdout]  --> src/lexer/token.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Plus,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Lparen`
[INFO] [stdout]  --> src/lexer/token.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Lparen,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Rparen`
[INFO] [stdout]  --> src/lexer/token.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Rparen,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Colon`
[INFO] [stdout]  --> src/lexer/token.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Colon,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ColonColon`
[INFO] [stdout]   --> src/lexer/token.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     ColonColon,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Semi`
[INFO] [stdout]   --> src/lexer/token.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Semi,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Rbrack`
[INFO] [stdout]   --> src/lexer/token.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Rbrack,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Lbrack`
[INFO] [stdout]   --> src/lexer/token.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Lbrack,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RCbrack`
[INFO] [stdout]   --> src/lexer/token.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     RCbrack,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LCbrack`
[INFO] [stdout]   --> src/lexer/token.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     LCbrack,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GT`
[INFO] [stdout]   --> src/lexer/token.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     GT,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LT`
[INFO] [stdout]   --> src/lexer/token.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     LT,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OArrowfunc`
[INFO] [stdout]   --> src/lexer/token.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     OArrowfunc,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CArrowfunc`
[INFO] [stdout]   --> src/lexer/token.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     CArrowfunc,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GTET`
[INFO] [stdout]   --> src/lexer/token.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     GTET,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LTET`
[INFO] [stdout]   --> src/lexer/token.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     LTET,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Equals`
[INFO] [stdout]   --> src/lexer/token.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Equals,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Minus`
[INFO] [stdout]   --> src/lexer/token.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Minus,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> src/lexer/token.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Int,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/lexer/token.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Float,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]   --> src/lexer/token.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `True`
[INFO] [stdout]   --> src/lexer/token.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     True,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `False`
[INFO] [stdout]   --> src/lexer/token.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     False,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Fn`
[INFO] [stdout]   --> src/lexer/token.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Fn,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/lexer/token.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             compiler::comp::comp();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             compiler::comp::comp();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "1ef90497aafef578ef725cdad44ef3feaf476212ce4a0f3bfdcd89ef7b42597a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef90497aafef578ef725cdad44ef3feaf476212ce4a0f3bfdcd89ef7b42597a", kill_on_drop: false }`
[INFO] [stdout] 1ef90497aafef578ef725cdad44ef3feaf476212ce4a0f3bfdcd89ef7b42597a