[INFO] cloning repository https://github.com/nobrayner/pil
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nobrayner/pil" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnobrayner%2Fpil", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnobrayner%2Fpil'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 818a8e8be7664670ad480ec8f2d40f5de9676c29
[INFO] testing nobrayner/pil against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnobrayner%2Fpil" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nobrayner/pil on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nobrayner/pil
[INFO] finished tweaking git repo https://github.com/nobrayner/pil
[INFO] tweaked toml for git repo https://github.com/nobrayner/pil written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/nobrayner/pil already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aabdf0b477d0b0a51a802c6ef18ca839e13fc9e6791020ef176b55dc0ff44091
[INFO] running `Command { std: "docker" "start" "-a" "aabdf0b477d0b0a51a802c6ef18ca839e13fc9e6791020ef176b55dc0ff44091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aabdf0b477d0b0a51a802c6ef18ca839e13fc9e6791020ef176b55dc0ff44091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aabdf0b477d0b0a51a802c6ef18ca839e13fc9e6791020ef176b55dc0ff44091", kill_on_drop: false }`
[INFO] [stdout] aabdf0b477d0b0a51a802c6ef18ca839e13fc9e6791020ef176b55dc0ff44091
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50c401ba9fa48a8945b9839fda9eee7d7830efef498c290e5e5ee981c3d6bb5b
[INFO] running `Command { std: "docker" "start" "-a" "50c401ba9fa48a8945b9839fda9eee7d7830efef498c290e5e5ee981c3d6bb5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling pil v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `is_letter`
[INFO] [stdout]  --> src/lexer.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn is_letter(character: char) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_whitespace`
[INFO] [stdout]  --> src/lexer.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn is_whitespace(character: char) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_number`
[INFO] [stdout]  --> src/lexer.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn is_number(character: char) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_open_paren`
[INFO] [stdout]   --> src/lexer.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn is_open_paren(character: char) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_close_paren`
[INFO] [stdout]   --> src/lexer.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn is_close_paren(character: char) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_paren`
[INFO] [stdout]   --> src/lexer.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn is_paren(character: char) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_quote`
[INFO] [stdout]   --> src/lexer.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn is_quote(character: char) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Paren`
[INFO] [stdout]   --> src/lexer.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     Paren {
[INFO] [stdout] 27 | |         value: char,
[INFO] [stdout] 28 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lexer.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Debug, Eq, PartialEq)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]   --> src/lexer.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     Number {
[INFO] [stdout] 30 | |         value: i32,
[INFO] [stdout] 31 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lexer.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Debug, Eq, PartialEq)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Word`
[INFO] [stdout]   --> src/lexer.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | /     Word {
[INFO] [stdout] 33 | |         value: String,
[INFO] [stdout] 34 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lexer.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Debug, Eq, PartialEq)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/lexer.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | /     String {
[INFO] [stdout] 36 | |         value: String,
[INFO] [stdout] 37 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lexer.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Debug, Eq, PartialEq)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lex`
[INFO] [stdout]   --> src/lexer.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn lex(source: String) -> Vec<Token> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "50c401ba9fa48a8945b9839fda9eee7d7830efef498c290e5e5ee981c3d6bb5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50c401ba9fa48a8945b9839fda9eee7d7830efef498c290e5e5ee981c3d6bb5b", kill_on_drop: false }`
[INFO] [stdout] 50c401ba9fa48a8945b9839fda9eee7d7830efef498c290e5e5ee981c3d6bb5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cca98a165a70dc8aa243c7d25565c076dc2daafd1b33c525a7ed902af565de6
[INFO] running `Command { std: "docker" "start" "-a" "3cca98a165a70dc8aa243c7d25565c076dc2daafd1b33c525a7ed902af565de6", kill_on_drop: false }`
[INFO] [stdout] warning: function is never used: `is_letter`
[INFO] [stdout]  --> src/lexer.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn is_letter(character: char) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_whitespace`
[INFO] [stdout]  --> src/lexer.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn is_whitespace(character: char) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_number`
[INFO] [stdout]  --> src/lexer.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn is_number(character: char) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_open_paren`
[INFO] [stdout]   --> src/lexer.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn is_open_paren(character: char) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_close_paren`
[INFO] [stdout]   --> src/lexer.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn is_close_paren(character: char) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_paren`
[INFO] [stdout]   --> src/lexer.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn is_paren(character: char) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_quote`
[INFO] [stdout]   --> src/lexer.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn is_quote(character: char) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Paren`
[INFO] [stdout]   --> src/lexer.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     Paren {
[INFO] [stdout] 27 | |         value: char,
[INFO] [stdout] 28 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lexer.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Debug, Eq, PartialEq)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]   --> src/lexer.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     Number {
[INFO] [stdout] 30 | |         value: i32,
[INFO] [stdout] 31 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lexer.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Debug, Eq, PartialEq)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Word`
[INFO] [stdout]   --> src/lexer.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | /     Word {
[INFO] [stdout] 33 | |         value: String,
[INFO] [stdout] 34 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lexer.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Debug, Eq, PartialEq)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/lexer.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | /     String {
[INFO] [stdout] 36 | |         value: String,
[INFO] [stdout] 37 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lexer.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Debug, Eq, PartialEq)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pil v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `lex`
[INFO] [stdout]   --> src/lexer.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn lex(source: String) -> Vec<Token> {
[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 0.47s
[INFO] running `Command { std: "docker" "inspect" "3cca98a165a70dc8aa243c7d25565c076dc2daafd1b33c525a7ed902af565de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cca98a165a70dc8aa243c7d25565c076dc2daafd1b33c525a7ed902af565de6", kill_on_drop: false }`
[INFO] [stdout] 3cca98a165a70dc8aa243c7d25565c076dc2daafd1b33c525a7ed902af565de6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ffdaed044474f538994867733dc223da39672b401c85068e39bc327c34f4d9e9
[INFO] running `Command { std: "docker" "start" "-a" "ffdaed044474f538994867733dc223da39672b401c85068e39bc327c34f4d9e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `is_letter`
[INFO] [stderr]  --> src/lexer.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn is_letter(character: char) -> bool {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_whitespace`
[INFO] [stderr]  --> src/lexer.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn is_whitespace(character: char) -> bool {
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_number`
[INFO] [stderr]  --> src/lexer.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn is_number(character: char) -> bool {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_open_paren`
[INFO] [stderr]   --> src/lexer.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn is_open_paren(character: char) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_close_paren`
[INFO] [stderr]   --> src/lexer.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn is_close_paren(character: char) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_paren`
[INFO] [stderr]   --> src/lexer.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn is_paren(character: char) -> bool {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_quote`
[INFO] [stderr]   --> src/lexer.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn is_quote(character: char) -> bool {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Paren`
[INFO] [stderr]   --> src/lexer.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | /     Paren {
[INFO] [stderr] 27 | |         value: char,
[INFO] [stderr] 28 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/lexer.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 | #[derive(Debug, Eq, PartialEq)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/lexer.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | /     Number {
[INFO] [stderr] 30 | |         value: i32,
[INFO] [stderr] 31 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/lexer.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 | #[derive(Debug, Eq, PartialEq)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Word`
[INFO] [stderr]   --> src/lexer.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | /     Word {
[INFO] [stderr] 33 | |         value: String,
[INFO] [stderr] 34 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/lexer.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 | #[derive(Debug, Eq, PartialEq)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]   --> src/lexer.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | /     String {
[INFO] [stderr] 36 | |         value: String,
[INFO] [stderr] 37 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/lexer.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 | #[derive(Debug, Eq, PartialEq)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lex`
[INFO] [stderr]   --> src/lexer.rs:41:4
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn lex(source: String) -> Vec<Token> {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pil` (lib) generated 12 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pil-3914f081ef539908)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test lexer::unit_tests::ignores_whitespace ... ok
[INFO] [stdout] test lexer::unit_tests::lex_multi_digit ... ok
[INFO] [stdout] test lexer::unit_tests::lex_parens ... ok
[INFO] [stdout] test lexer::unit_tests::lex_multi_letter ... ok
[INFO] [stdout] test lexer::unit_tests::lex_single_digit ... ok
[INFO] [stdout] test lexer::unit_tests::lex_single_letter ... ok
[INFO] [stdout] test lexer::unit_tests::lex_single_digit_expression ... ok
[INFO] [stdout] test lexer::unit_tests::lex_single_letter_expression ... ok
[INFO] [stdout] test lexer::unit_tests::lex_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pil-a66746b04e499940)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pil
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ffdaed044474f538994867733dc223da39672b401c85068e39bc327c34f4d9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffdaed044474f538994867733dc223da39672b401c85068e39bc327c34f4d9e9", kill_on_drop: false }`
[INFO] [stdout] ffdaed044474f538994867733dc223da39672b401c85068e39bc327c34f4d9e9