[INFO] cloning repository https://github.com/Verdex/silica
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Verdex/silica" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVerdex%2Fsilica", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVerdex%2Fsilica'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45fb246c5a48a8613ae29376a7d0d892fe5595ab
[INFO] testing Verdex/silica against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVerdex%2Fsilica" "/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/Verdex/silica on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Verdex/silica
[INFO] finished tweaking git repo https://github.com/Verdex/silica
[INFO] tweaked toml for git repo https://github.com/Verdex/silica written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Verdex/silica already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 367f62f416462ed4fcd3aa1f603feee4e754bb8080e483f2ad754da2ddb4db27
[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" "367f62f416462ed4fcd3aa1f603feee4e754bb8080e483f2ad754da2ddb4db27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "367f62f416462ed4fcd3aa1f603feee4e754bb8080e483f2ad754da2ddb4db27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "367f62f416462ed4fcd3aa1f603feee4e754bb8080e483f2ad754da2ddb4db27", kill_on_drop: false }`
[INFO] [stdout] 367f62f416462ed4fcd3aa1f603feee4e754bb8080e483f2ad754da2ddb4db27
[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=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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02bda0a149596ea1e84805fb21c2074a01ed36159329854cf5aa3cd72df932f6
[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" "02bda0a149596ea1e84805fb21c2074a01ed36159329854cf5aa3cd72df932f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling silica v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `RParen`
[INFO] [stdout]  --> src/parsing/lexeme.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     RParen,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LParen`
[INFO] [stdout]  --> src/parsing/lexeme.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     LParen,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RAngle`
[INFO] [stdout]  --> src/parsing/lexeme.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     RAngle,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LAngle`
[INFO] [stdout]  --> src/parsing/lexeme.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     LAngle,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RCurl`
[INFO] [stdout]  --> src/parsing/lexeme.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     RCurl,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LCurl`
[INFO] [stdout]   --> src/parsing/lexeme.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     LCurl,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RightDoubleArrow`
[INFO] [stdout]   --> src/parsing/lexeme.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     RightDoubleArrow,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OrBar`
[INFO] [stdout]   --> src/parsing/lexeme.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     OrBar,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Fun`
[INFO] [stdout]   --> src/parsing/lexeme.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Fun,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Let`
[INFO] [stdout]   --> src/parsing/lexeme.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Let,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Data`
[INFO] [stdout]   --> src/parsing/lexeme.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Data,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Spec`
[INFO] [stdout]   --> src/parsing/lexeme.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Spec,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SemiColon`
[INFO] [stdout]   --> src/parsing/lexeme.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     SemiColon,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Comma`
[INFO] [stdout]   --> src/parsing/lexeme.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Comma,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Equal`
[INFO] [stdout]   --> src/parsing/lexeme.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Equal,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start_index`
[INFO] [stdout]   --> src/parsing/lexeme.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn start_index(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `end_index`
[INFO] [stdout]   --> src/parsing/lexeme.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn end_index(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lex`
[INFO] [stdout]  --> src/parsing/lex.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn lex(s : &str) -> Result<Vec<Lexeme>, usize> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Ast`
[INFO] [stdout]  --> src/parsing/ast.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Ast {
[INFO] [stdout]   |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "02bda0a149596ea1e84805fb21c2074a01ed36159329854cf5aa3cd72df932f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02bda0a149596ea1e84805fb21c2074a01ed36159329854cf5aa3cd72df932f6", kill_on_drop: false }`
[INFO] [stdout] 02bda0a149596ea1e84805fb21c2074a01ed36159329854cf5aa3cd72df932f6
[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=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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7de4037f457ff61b873d5cdf1e657b559108714bfbaffdbe3ef0da2aed9dfc7f
[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" "7de4037f457ff61b873d5cdf1e657b559108714bfbaffdbe3ef0da2aed9dfc7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling silica v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `RParen`
[INFO] [stdout]  --> src/parsing/lexeme.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     RParen,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LParen`
[INFO] [stdout]  --> src/parsing/lexeme.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     LParen,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RAngle`
[INFO] [stdout]  --> src/parsing/lexeme.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     RAngle,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LAngle`
[INFO] [stdout]  --> src/parsing/lexeme.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     LAngle,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RCurl`
[INFO] [stdout]  --> src/parsing/lexeme.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     RCurl,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LCurl`
[INFO] [stdout]   --> src/parsing/lexeme.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     LCurl,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RightDoubleArrow`
[INFO] [stdout]   --> src/parsing/lexeme.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     RightDoubleArrow,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OrBar`
[INFO] [stdout]   --> src/parsing/lexeme.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     OrBar,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Fun`
[INFO] [stdout]   --> src/parsing/lexeme.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Fun,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Let`
[INFO] [stdout]   --> src/parsing/lexeme.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Let,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Data`
[INFO] [stdout]   --> src/parsing/lexeme.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Data,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Spec`
[INFO] [stdout]   --> src/parsing/lexeme.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Spec,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SemiColon`
[INFO] [stdout]   --> src/parsing/lexeme.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     SemiColon,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Comma`
[INFO] [stdout]   --> src/parsing/lexeme.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Comma,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Equal`
[INFO] [stdout]   --> src/parsing/lexeme.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Equal,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start_index`
[INFO] [stdout]   --> src/parsing/lexeme.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn start_index(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `end_index`
[INFO] [stdout]   --> src/parsing/lexeme.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn end_index(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lex`
[INFO] [stdout]  --> src/parsing/lex.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn lex(s : &str) -> Result<Vec<Lexeme>, usize> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Ast`
[INFO] [stdout]  --> src/parsing/ast.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Ast {
[INFO] [stdout]   |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "7de4037f457ff61b873d5cdf1e657b559108714bfbaffdbe3ef0da2aed9dfc7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7de4037f457ff61b873d5cdf1e657b559108714bfbaffdbe3ef0da2aed9dfc7f", kill_on_drop: false }`
[INFO] [stdout] 7de4037f457ff61b873d5cdf1e657b559108714bfbaffdbe3ef0da2aed9dfc7f
[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=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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 86e6c000b5f1b07505ede830f89b1043df3fe68681a958215d3bebc6d0f6bda7
[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" "86e6c000b5f1b07505ede830f89b1043df3fe68681a958215d3bebc6d0f6bda7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variant is never constructed: `RParen`
[INFO] [stdout] running 20 tests
[INFO] [stderr]  --> src/parsing/lexeme.rs:5:5
[INFO] [stdout] test parsing::lex::test::junk_lexer_should_lex_almost_but_not_quite_comment_end ... ok
[INFO] [stderr]   |
[INFO] [stdout] test parsing::lex::test::junk_lexer_should_lex_nested_comment ... ok
[INFO] [stderr] 5 |     RParen,
[INFO] [stdout] test parsing::lex::test::number_lexer_should_fail_second_dot ... ok
[INFO] [stderr]   |     ^^^^^^
[INFO] [stdout] test parsing::lex::test::junk_lexer_should_lex_whitespace_and_comment ... ok
[INFO] [stderr]   |
[INFO] [stdout] test parsing::lex::test::number_lexer_should_lex_decimal ... ok
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] test parsing::lex::test::bool_lexer_should_lex_false ... ok
[INFO] [stderr] 
[INFO] [stdout] test parsing::lex::test::number_lexer_should_lex_negative_input ... ok
[INFO] [stderr] warning: variant is never constructed: `LParen`
[INFO] [stdout] test parsing::lex::test::number_lexer_should_lex_negative_decimal ... ok
[INFO] [stderr]  --> src/parsing/lexeme.rs:6:5
[INFO] [stdout] test parsing::lex::test::number_lexer_should_lex_standard_integer ... ok
[INFO] [stderr]   |
[INFO] [stdout] test parsing::lex::test::junk_lexer_should_leave_lonely_slash ... ok
[INFO] [stderr] 6 |     LParen,
[INFO] [stdout] test parsing::lex::test::number_lexer_should_not_conume_ending_input ... ok
[INFO] [stderr]   |     ^^^^^^
[INFO] [stdout] test parsing::lex::test::number_lexer_should_stop_and_ignore_trailing_dot_on_decimal ... ok
[INFO] [stderr] 
[INFO] [stdout] test parsing::lex::test::string_lexer_should_lex_string ... ok
[INFO] [stderr] warning: variant is never constructed: `RAngle`
[INFO] [stdout] test parsing::lex::test::number_lexer_should_stop_and_ignore_trailing_dot_on_integer ... ok
[INFO] [stderr]  --> src/parsing/lexeme.rs:7:5
[INFO] [stdout] test parsing::lex::test::symbol_lexer_should_lex_upper_case_symbol ... ok
[INFO] [stderr]   |
[INFO] [stdout] test parsing::lex::test::bool_lexer_should_not_consume_boolish_symbol ... ok
[INFO] [stderr] 7 |     RAngle,
[INFO] [stdout] test parsing::lex::test::junk_lexer_usable_should_leave_input_alone_for_lonely_slash ... ok
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LAngle`
[INFO] [stderr]  --> src/parsing/lexeme.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     LAngle,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RCurl`
[INFO] [stderr]  --> src/parsing/lexeme.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     RCurl,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LCurl`
[INFO] [stderr]   --> src/parsing/lexeme.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     LCurl,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RightDoubleArrow`
[INFO] [stderr]   --> src/parsing/lexeme.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     RightDoubleArrow,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OrBar`
[INFO] [stderr]   --> src/parsing/lexeme.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     OrBar,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fun`
[INFO] [stderr]   --> src/parsing/lexeme.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Fun,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Let`
[INFO] [stderr]   --> src/parsing/lexeme.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Let,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Data`
[INFO] [stderr]   --> src/parsing/lexeme.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Data,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Spec`
[INFO] [stderr]   --> src/parsing/lexeme.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Spec,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SemiColon`
[INFO] [stderr]   --> src/parsing/lexeme.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     SemiColon,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Comma`
[INFO] [stderr]   --> src/parsing/lexeme.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Comma,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equal`
[INFO] [stderr]   --> src/parsing/lexeme.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Equal,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `start_index`
[INFO] [stderr]   --> src/parsing/lexeme.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn start_index(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `end_index`
[INFO] [stderr]   --> src/parsing/lexeme.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn end_index(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lex`
[INFO] [stderr]  --> src/parsing/lex.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn lex(s : &str) -> Result<Vec<Lexeme>, usize> {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Ast`
[INFO] [stderr]  --> src/parsing/ast.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum Ast {
[INFO] [stderr]   |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `silica` (bin "silica" test) generated 19 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/silica-7704cd0e0193c5c2)
[INFO] [stdout] test parsing::lex::test::symbol_lexer_should_lex_lower_case_symbol ... ok
[INFO] [stdout] test parsing::lex::test::junk_lexer_should_lex_whitespace ... ok
[INFO] [stdout] test parsing::lex::test::bool_lexer_should_lex_true ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "86e6c000b5f1b07505ede830f89b1043df3fe68681a958215d3bebc6d0f6bda7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e6c000b5f1b07505ede830f89b1043df3fe68681a958215d3bebc6d0f6bda7", kill_on_drop: false }`
[INFO] [stdout] 86e6c000b5f1b07505ede830f89b1043df3fe68681a958215d3bebc6d0f6bda7