[INFO] cloning repository https://github.com/mhorod/milang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mhorod/milang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhorod%2Fmilang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhorod%2Fmilang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58951048d54c8a0c398d105d54f40d1275c63404
[INFO] testing mhorod/milang against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhorod%2Fmilang" "/workspace/builds/worker-84/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mhorod/milang on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mhorod/milang
[INFO] finished tweaking git repo https://github.com/mhorod/milang
[INFO] tweaked toml for git repo https://github.com/mhorod/milang written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] crate git repo https://github.com/mhorod/milang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9009c77844d404a490a25e6df59d24c6bece29bb5e58d730a6ad6247186917b
[INFO] running `Command { std: "docker" "start" "-a" "a9009c77844d404a490a25e6df59d24c6bece29bb5e58d730a6ad6247186917b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9009c77844d404a490a25e6df59d24c6bece29bb5e58d730a6ad6247186917b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9009c77844d404a490a25e6df59d24c6bece29bb5e58d730a6ad6247186917b", kill_on_drop: false }`
[INFO] [stdout] a9009c77844d404a490a25e6df59d24c6bece29bb5e58d730a6ad6247186917b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bda6c4ec119d26f75cb87f297f1ad2565e1886a11eb350f6c714e8663a0d9a6
[INFO] running `Command { std: "docker" "start" "-a" "9bda6c4ec119d26f75cb87f297f1ad2565e1886a11eb350f6c714e8663a0d9a6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling milang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Warning`
[INFO] [stdout]   --> src/errors/mod.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Warning,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `CompilerErrorKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/errors/mod.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[derive(Clone, Copy, PartialEq, Eq, Debug)]
[INFO] [stdout]    |          ^^^^^                       ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `UNEXPECTED_TOKEN`
[INFO] [stdout]   --> src/errors/mod.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub const UNEXPECTED_TOKEN: u32 = 1000;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `UNEXPECTED_EOF`
[INFO] [stdout]   --> src/errors/mod.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub const UNEXPECTED_EOF: u32 = 1001;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> src/source/mod.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn empty() -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `spans_union`
[INFO] [stdout]   --> src/source/mod.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn spans_union<T, I>(spans: T) -> Option<Span>
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_file`
[INFO] [stdout]   --> src/source/mod.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn from_file(filename: String) -> Source {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eof_span`
[INFO] [stdout]    --> src/source/mod.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn eof_span(&self) -> Span {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sub`
[INFO] [stdout]   --> src/ast/token.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     Sub,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BinOpKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/ast/token.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | #[derive(Clone, Copy, PartialEq, Eq, Debug)]
[INFO] [stdout]    |          ^^^^^                       ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Black`
[INFO] [stdout]  --> src/utils/color.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Black,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Green`
[INFO] [stdout]  --> src/utils/color.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Green,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Yellow`
[INFO] [stdout]  --> src/utils/color.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Yellow,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `White`
[INFO] [stdout]  --> src/utils/color.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     White,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `True`
[INFO] [stdout]   --> src/utils/color.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     True { r: u8, g: u8, b: u8 },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.14s
[INFO] running `Command { std: "docker" "inspect" "9bda6c4ec119d26f75cb87f297f1ad2565e1886a11eb350f6c714e8663a0d9a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bda6c4ec119d26f75cb87f297f1ad2565e1886a11eb350f6c714e8663a0d9a6", kill_on_drop: false }`
[INFO] [stdout] 9bda6c4ec119d26f75cb87f297f1ad2565e1886a11eb350f6c714e8663a0d9a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64883dd316935744b61fe2e9b7f9e3f2c59988724ca88cfe92961715668b0a0b
[INFO] running `Command { std: "docker" "start" "-a" "64883dd316935744b61fe2e9b7f9e3f2c59988724ca88cfe92961715668b0a0b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling milang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Warning`
[INFO] [stdout]   --> src/errors/mod.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Warning,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `CompilerErrorKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/errors/mod.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[derive(Clone, Copy, PartialEq, Eq, Debug)]
[INFO] [stdout]    |          ^^^^^                       ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `UNEXPECTED_TOKEN`
[INFO] [stdout]   --> src/errors/mod.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub const UNEXPECTED_TOKEN: u32 = 1000;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `UNEXPECTED_EOF`
[INFO] [stdout]   --> src/errors/mod.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub const UNEXPECTED_EOF: u32 = 1001;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> src/source/mod.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn empty() -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_file`
[INFO] [stdout]   --> src/source/mod.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn from_file(filename: String) -> Source {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eof_span`
[INFO] [stdout]    --> src/source/mod.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn eof_span(&self) -> Span {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sub`
[INFO] [stdout]   --> src/ast/token.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     Sub,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BinOpKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/ast/token.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | #[derive(Clone, Copy, PartialEq, Eq, Debug)]
[INFO] [stdout]    |          ^^^^^                       ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Black`
[INFO] [stdout]  --> src/utils/color.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Black,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Green`
[INFO] [stdout]  --> src/utils/color.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Green,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Yellow`
[INFO] [stdout]  --> src/utils/color.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Yellow,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `White`
[INFO] [stdout]  --> src/utils/color.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     White,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `True`
[INFO] [stdout]   --> src/utils/color.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     True { r: u8, g: u8, b: u8 },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.55s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/milang-9a932006c42bb508)
[INFO] running `Command { std: "docker" "inspect" "64883dd316935744b61fe2e9b7f9e3f2c59988724ca88cfe92961715668b0a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64883dd316935744b61fe2e9b7f9e3f2c59988724ca88cfe92961715668b0a0b", kill_on_drop: false }`
[INFO] [stdout] 64883dd316935744b61fe2e9b7f9e3f2c59988724ca88cfe92961715668b0a0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95c1bbb22affdac7c0cc8a122473ff6a8eb592cf4b4890a7469b04c79a8a1c84
[INFO] running `Command { std: "docker" "start" "-a" "95c1bbb22affdac7c0cc8a122473ff6a8eb592cf4b4890a7469b04c79a8a1c84", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `Warning`
[INFO] [stderr]   --> src/errors/mod.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     Warning,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `CompilerErrorKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/errors/mod.rs:48:10
[INFO] [stderr]    |
[INFO] [stderr] 48 | #[derive(Clone, Copy, PartialEq, Eq, Debug)]
[INFO] [stderr]    |          ^^^^^                       ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `UNEXPECTED_TOKEN`
[INFO] [stderr]   --> src/errors/mod.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub const UNEXPECTED_TOKEN: u32 = 1000;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `UNEXPECTED_EOF`
[INFO] [stderr]   --> src/errors/mod.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub const UNEXPECTED_EOF: u32 = 1001;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `empty`
[INFO] [stderr]   --> src/source/mod.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn empty() -> Self {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_file`
[INFO] [stderr]   --> src/source/mod.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn from_file(filename: String) -> Source {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `eof_span`
[INFO] [stderr]    --> src/source/mod.rs:148:12
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn eof_span(&self) -> Span {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sub`
[INFO] [stderr]   --> src/ast/token.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     Sub,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `BinOpKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/ast/token.rs:63:10
[INFO] [stderr]    |
[INFO] [stderr] 63 | #[derive(Clone, Copy, PartialEq, Eq, Debug)]
[INFO] [stderr]    |          ^^^^^                       ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Black`
[INFO] [stderr]  --> src/utils/color.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Black,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Green`
[INFO] [stderr]  --> src/utils/color.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Green,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Yellow`
[INFO] [stderr]  --> src/utils/color.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Yellow,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `White`
[INFO] [stderr]  --> src/utils/color.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     White,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `True`
[INFO] [stderr]   --> src/utils/color.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     True { r: u8, g: u8, b: u8 },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `milang` (bin "milang" test) generated 12 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/milang-9a932006c42bb508)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test lexer::tests::lexer::ignores_whitespace ... ok
[INFO] [stdout] test lexer::tests::lexer::lexing_unterminated_string_literal_emits_an_error ... ok
[INFO] [stdout] test lexer::tests::lexer::tokens_are_glued_from_left ... ok
[INFO] [stdout] test lexer::tests::raw::number_literal::float_cannot_contain_two_consecutive_dots ... ok
[INFO] [stdout] test lexer::tests::raw::number_literal::int_base_8_contains_digits_0_to_7 ... ok
[INFO] [stdout] test lexer::tests::raw::identifier::does_not_contain_symbols ... ok
[INFO] [stdout] test lexer::tests::raw::number_literal::float_cannot_end_with_dot ... ok
[INFO] [stdout] test lexer::tests::raw::number_literal::int_base_16_contains_digits_0_to_f ... ok
[INFO] [stdout] test lexer::tests::raw::number_literal::int_base_10_contains_only_digits_0_to_9 ... ok
[INFO] [stdout] test lexer::tests::raw::string_literal::ends_on_second_double_quote ... ok
[INFO] [stdout] test lexer::tests::raw::number_literal::float_base_10_cannot_contain_two_dots ... ok
[INFO] [stdout] test lexer::tests::raw::number_literal::int_base_2_contains_only_digits_0_and_1 ... ok
[INFO] [stdout] test lexer::tests::raw::identifier::does_not_contain_space ... ok
[INFO] [stdout] test lexer::tests::raw::identifier::can_contain_letters ... ok
[INFO] [stdout] test lexer::tests::raw::identifier::can_contain_underscore ... ok
[INFO] [stdout] test lexer::tests::raw::comment::ends_before_line_break ... ok
[INFO] [stdout] test lexer::tests::raw::string_literal::without_escaped_characters ... ok
[INFO] [stdout] test source::tests::break_span_by_lines::each_span_spans_one_line ... ok
[INFO] [stdout] test lexer::tests::raw::string_literal::terminated_with_escaped_double_quotes ... ok
[INFO] [stdout] test source::tests::source_lines_are_split_on_line_break ... ok
[INFO] [stdout] test source::tests::span::created_from_range_ends_on_range_end ... ok
[INFO] [stdout] test lexer::tests::raw::string_literal::with_trailing_backslash ... ok
[INFO] [stdout] test lexer::tests::raw::string_literal::unterminated_with_escaped_double_quotes ... ok
[INFO] [stdout] test source::tests::break_span_by_lines::union_of_subspans_is_the_original_span ... ok
[INFO] [stdout] test lexer::tests::raw::string_literal::is_unterminated_when_there_is_no_right_delimeter ... ok
[INFO] [stdout] test source::tests::span::spans_union_of_ranges ... ok
[INFO] [stdout] test source::tests::span::union_of_two_overlapping_spans ... ok
[INFO] [stdout] test source::tests::span::union_argument_order_does_not_matter ... ok
[INFO] [stdout] test source::tests::span::union_of_two_nested_spans_is_the_outer_span ... ok
[INFO] [stdout] test source::tests::span::union_of_empty_vector_is_none ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "95c1bbb22affdac7c0cc8a122473ff6a8eb592cf4b4890a7469b04c79a8a1c84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c1bbb22affdac7c0cc8a122473ff6a8eb592cf4b4890a7469b04c79a8a1c84", kill_on_drop: false }`
[INFO] [stdout] 95c1bbb22affdac7c0cc8a122473ff6a8eb592cf4b4890a7469b04c79a8a1c84