[INFO] cloning repository https://github.com/sombrastudios/simple_lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sombrastudios/simple_lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsombrastudios%2Fsimple_lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsombrastudios%2Fsimple_lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac6f67876d91f80f7801094aa1f6cb1338e09866
[INFO] testing sombrastudios/simple_lang against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsombrastudios%2Fsimple_lang" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sombrastudios/simple_lang on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sombrastudios/simple_lang
[INFO] finished tweaking git repo https://github.com/sombrastudios/simple_lang
[INFO] tweaked toml for git repo https://github.com/sombrastudios/simple_lang written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/sombrastudios/simple_lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] ec9b2e2a3970afc353df34a90a9885017a143882292e3f256609cbb2379a6cf2
[INFO] running `Command { std: "docker" "start" "-a" "ec9b2e2a3970afc353df34a90a9885017a143882292e3f256609cbb2379a6cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec9b2e2a3970afc353df34a90a9885017a143882292e3f256609cbb2379a6cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9b2e2a3970afc353df34a90a9885017a143882292e3f256609cbb2379a6cf2", kill_on_drop: false }`
[INFO] [stdout] ec9b2e2a3970afc353df34a90a9885017a143882292e3f256609cbb2379a6cf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e47eec933b41464799acc47004db4ccb0e9c2e4a20973b4f57cf37a0cae7552
[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" "3e47eec933b41464799acc47004db4ccb0e9c2e4a20973b4f57cf37a0cae7552", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling simple_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `util::tag_ws`
[INFO] [stdout]  --> src/parse/instructions/statements.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     util::tag_ws,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `map_res`
[INFO] [stdout]   --> src/parse/signature/functions.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     combinator::{map, map_res, opt},
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bytes::complete::tag`, `character::complete::one_of`, `terminated`
[INFO] [stdout]   --> src/parse/signature/vars.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             bytes::complete::tag,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |             character::complete::one_of,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |             combinator::{map, opt},
[INFO] [stdout] 17 |             sequence::{preceded, terminated, tuple},
[INFO] [stdout]    |                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/parse/instructions/control_flow.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn parse(input: &str) -> nom::IResult<&str, Self> {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/parse/instructions/expression.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn parse(input: &str) -> nom::IResult<&str, Self> {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cases`
[INFO] [stdout]   --> src/parse/instructions/is_expression.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     cases: Vec<Case>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `matcher`
[INFO] [stdout]   --> src/parse/instructions/is_expression.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     matcher: Box<Expression>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `then`
[INFO] [stdout]   --> src/parse/instructions/is_expression.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     then: Box<Expression>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tag_let`
[INFO] [stdout]   --> src/parse/keyword.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn tag_let(i: &str) -> IResult<&str, &str> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `not_followed`
[INFO] [stdout]   --> src/parse/util.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn not_followed<'a, A, B>(
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `concat`
[INFO] [stdout]   --> src/parse/util.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn concat<'a, T, Elem>(
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fold_concat`
[INFO] [stdout]    --> src/parse/util.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn fold_concat<'a, T, E>(
[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 12.22s
[INFO] running `Command { std: "docker" "inspect" "3e47eec933b41464799acc47004db4ccb0e9c2e4a20973b4f57cf37a0cae7552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e47eec933b41464799acc47004db4ccb0e9c2e4a20973b4f57cf37a0cae7552", kill_on_drop: false }`
[INFO] [stdout] 3e47eec933b41464799acc47004db4ccb0e9c2e4a20973b4f57cf37a0cae7552
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", 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] cfe09f68d372e2c7b33dd1ff46d5be44f114bf135493dfd92b51ea183183ed24
[INFO] running `Command { std: "docker" "start" "-a" "cfe09f68d372e2c7b33dd1ff46d5be44f114bf135493dfd92b51ea183183ed24", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `util::tag_ws`
[INFO] [stdout]  --> src/parse/instructions/statements.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     util::tag_ws,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `map_res`
[INFO] [stdout]   --> src/parse/signature/functions.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     combinator::{map, map_res, opt},
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bytes::complete::tag`, `character::complete::one_of`, `terminated`
[INFO] [stdout]   --> src/parse/signature/vars.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             bytes::complete::tag,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |             character::complete::one_of,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |             combinator::{map, opt},
[INFO] [stdout] 17 |             sequence::{preceded, terminated, tuple},
[INFO] [stdout]    |                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/parse/instructions/control_flow.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn parse(input: &str) -> nom::IResult<&str, Self> {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/parse/instructions/expression.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn parse(input: &str) -> nom::IResult<&str, Self> {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cases`
[INFO] [stdout]   --> src/parse/instructions/is_expression.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     cases: Vec<Case>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `matcher`
[INFO] [stdout]   --> src/parse/instructions/is_expression.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     matcher: Box<Expression>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `then`
[INFO] [stdout]   --> src/parse/instructions/is_expression.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     then: Box<Expression>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `not_followed`
[INFO] [stdout]   --> src/parse/util.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn not_followed<'a, A, B>(
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fold_concat`
[INFO] [stdout]    --> src/parse/util.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn fold_concat<'a, T, E>(
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "cfe09f68d372e2c7b33dd1ff46d5be44f114bf135493dfd92b51ea183183ed24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfe09f68d372e2c7b33dd1ff46d5be44f114bf135493dfd92b51ea183183ed24", kill_on_drop: false }`
[INFO] [stdout] cfe09f68d372e2c7b33dd1ff46d5be44f114bf135493dfd92b51ea183183ed24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e36263d536d0dd9aef7eac449636f25edc2969dc93e4e63ac43e09aa6ecd4db3
[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" "e36263d536d0dd9aef7eac449636f25edc2969dc93e4e63ac43e09aa6ecd4db3", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `util::tag_ws`
[INFO] [stderr]  --> src/parse/instructions/statements.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     util::tag_ws,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `map_res`
[INFO] [stderr]   --> src/parse/signature/functions.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 12 |     combinator::{map, map_res, opt},
[INFO] [stderr]    |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `bytes::complete::tag`, `character::complete::one_of`, `terminated`
[INFO] [stderr]   --> src/parse/signature/vars.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |             bytes::complete::tag,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 15 |             character::complete::one_of,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 16 |             combinator::{map, opt},
[INFO] [stderr] 17 |             sequence::{preceded, terminated, tuple},
[INFO] [stderr]    |                                  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/parse/instructions/control_flow.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn parse(input: &str) -> nom::IResult<&str, Self> {
[INFO] [stderr]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]  --> src/parse/instructions/expression.rs:6:14
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn parse(input: &str) -> nom::IResult<&str, Self> {
[INFO] [stderr]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cases`
[INFO] [stderr]   --> src/parse/instructions/is_expression.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     cases: Vec<Case>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `matcher`
[INFO] [stderr]   --> src/parse/instructions/is_expression.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     matcher: Box<Expression>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `then`
[INFO] [stderr]   --> src/parse/instructions/is_expression.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     then: Box<Expression>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `not_followed`
[INFO] [stderr]   --> src/parse/util.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub fn not_followed<'a, A, B>(
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fold_concat`
[INFO] [stderr]    --> src/parse/util.rs:117:8
[INFO] [stderr]     |
[INFO] [stderr] 117 | pub fn fold_concat<'a, T, E>(
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_lang-0de154039027adfc
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test parse::keyword::keyword_tests::tag_keywords ... ok
[INFO] [stdout] test parse::util::tests::test_empty_concat ... ok
[INFO] [stdout] test parse::util::tests::test_ignore_ws ... ok
[INFO] [stdout] test parse::util::tests::test_concat ... ok
[INFO] [stdout] test parse::signature::types::test_paramter::basic ... ok
[INFO] [stdout] test parse::util::tests::test_tag_ws ... ok
[INFO] [stdout] test parse::signature::functions::test_function_signature::basic ... ok
[INFO] [stdout] test parse::util::tests::test_whitespace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e36263d536d0dd9aef7eac449636f25edc2969dc93e4e63ac43e09aa6ecd4db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e36263d536d0dd9aef7eac449636f25edc2969dc93e4e63ac43e09aa6ecd4db3", kill_on_drop: false }`
[INFO] [stdout] e36263d536d0dd9aef7eac449636f25edc2969dc93e4e63ac43e09aa6ecd4db3