[INFO] cloning repository https://github.com/malt03/malt-language
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/malt03/malt-language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalt03%2Fmalt-language", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalt03%2Fmalt-language'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31ca3090a7dedb91534cc697f419004dddc7519f
[INFO] testing malt03/malt-language against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalt03%2Fmalt-language" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/malt03/malt-language
[INFO] finished tweaking git repo https://github.com/malt03/malt-language
[INFO] tweaked toml for git repo https://github.com/malt03/malt-language written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/malt03/malt-language on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/malt03/malt-language already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.3.23
[INFO] [stderr]   Downloaded strum_macros v0.21.1
[INFO] [stderr]   Downloaded structopt-derive v0.4.16
[INFO] [stderr]   Downloaded strum v0.21.0
[INFO] [stderr]   Downloaded libc v0.2.101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39efa50eb996c57b85c76c4d417dd00768b4ede52c77fb61080663b9ff01b837
[INFO] running `Command { std: "docker" "start" "-a" "39efa50eb996c57b85c76c4d417dd00768b4ede52c77fb61080663b9ff01b837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39efa50eb996c57b85c76c4d417dd00768b4ede52c77fb61080663b9ff01b837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39efa50eb996c57b85c76c4d417dd00768b4ede52c77fb61080663b9ff01b837", kill_on_drop: false }`
[INFO] [stdout] 39efa50eb996c57b85c76c4d417dd00768b4ede52c77fb61080663b9ff01b837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b4ae4cde14f0843512eb58b6251a5ab707f0b6163cf30b59f32a7299a5d467a
[INFO] running `Command { std: "docker" "start" "-a" "2b4ae4cde14f0843512eb58b6251a5ab707f0b6163cf30b59f32a7299a5d467a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling structopt v0.3.23
[INFO] [stderr]    Compiling lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `expected_arguments`
[INFO] [stdout]    --> src/compiler/syntax_tree/generate_wasm/generate_wasm.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 let expected_arguments = &function.entity.arguments;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected_arguments`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/compiler/syntax_tree/generate_wasm/generate_wasm.rs:104:22
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 for (i, argument) in arguments.iter().enumerate() {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/compiler/tokens.rs:19:41
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub(crate) fn new(text: &'a str) -> PeekableTokens {
[INFO] [stdout]    |                              --         ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub(crate) fn new(text: &'a str) -> PeekableTokens<'a> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/compiler/tokens.rs:74:30
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn new(text: &'a str) -> Tokens {
[INFO] [stdout]    |                   --         ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn new(text: &'a str) -> Tokens<'a> {
[INFO] [stdout]    |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/compiler/tokens/token.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |         value: &'a str,
[INFO] [stdout]    |                 -- the lifetime is named here
[INFO] [stdout] 15 |         range: Range<usize>,
[INFO] [stdout] 16 |     ) -> Token {
[INFO] [stdout]    |          ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     ) -> Token<'a> {
[INFO] [stdout]    |               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.87s
[INFO] running `Command { std: "docker" "inspect" "2b4ae4cde14f0843512eb58b6251a5ab707f0b6163cf30b59f32a7299a5d467a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b4ae4cde14f0843512eb58b6251a5ab707f0b6163cf30b59f32a7299a5d467a", kill_on_drop: false }`
[INFO] [stdout] 2b4ae4cde14f0843512eb58b6251a5ab707f0b6163cf30b59f32a7299a5d467a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c912a926811cf624c1ce642b3e9a7ce39af2ed5cb3655c16b7564cdab58760b
[INFO] running `Command { std: "docker" "start" "-a" "4c912a926811cf624c1ce642b3e9a7ce39af2ed5cb3655c16b7564cdab58760b", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `expected_arguments`
[INFO] [stdout]    --> src/compiler/syntax_tree/generate_wasm/generate_wasm.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 let expected_arguments = &function.entity.arguments;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected_arguments`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/compiler/syntax_tree/generate_wasm/generate_wasm.rs:104:22
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 for (i, argument) in arguments.iter().enumerate() {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/compiler/tokens.rs:19:41
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub(crate) fn new(text: &'a str) -> PeekableTokens {
[INFO] [stdout]    |                              --         ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub(crate) fn new(text: &'a str) -> PeekableTokens<'a> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/compiler/tokens.rs:74:30
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn new(text: &'a str) -> Tokens {
[INFO] [stdout]    |                   --         ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn new(text: &'a str) -> Tokens<'a> {
[INFO] [stdout]    |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/compiler/tokens/token.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |         value: &'a str,
[INFO] [stdout]    |                 -- the lifetime is named here
[INFO] [stdout] 15 |         range: Range<usize>,
[INFO] [stdout] 16 |     ) -> Token {
[INFO] [stdout]    |          ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     ) -> Token<'a> {
[INFO] [stdout]    |               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `expected_arguments`
[INFO] [stdout]    --> src/compiler/syntax_tree/generate_wasm/generate_wasm.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 let expected_arguments = &function.entity.arguments;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected_arguments`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/compiler/syntax_tree/generate_wasm/generate_wasm.rs:104:22
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 for (i, argument) in arguments.iter().enumerate() {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/compiler/tokens.rs:19:41
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub(crate) fn new(text: &'a str) -> PeekableTokens {
[INFO] [stdout]    |                              --         ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub(crate) fn new(text: &'a str) -> PeekableTokens<'a> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/compiler/tokens.rs:74:30
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn new(text: &'a str) -> Tokens {
[INFO] [stdout]    |                   --         ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn new(text: &'a str) -> Tokens<'a> {
[INFO] [stdout]    |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/compiler/tokens/token.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |         value: &'a str,
[INFO] [stdout]    |                 -- the lifetime is named here
[INFO] [stdout] 15 |         range: Range<usize>,
[INFO] [stdout] 16 |     ) -> Token {
[INFO] [stdout]    |          ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     ) -> Token<'a> {
[INFO] [stdout]    |               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "4c912a926811cf624c1ce642b3e9a7ce39af2ed5cb3655c16b7564cdab58760b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c912a926811cf624c1ce642b3e9a7ce39af2ed5cb3655c16b7564cdab58760b", kill_on_drop: false }`
[INFO] [stdout] 4c912a926811cf624c1ce642b3e9a7ce39af2ed5cb3655c16b7564cdab58760b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a1e9bc83ab1f0c13eb62e264b197adb487887aa6985b34a834b5eb74edb1e164
[INFO] running `Command { std: "docker" "start" "-a" "a1e9bc83ab1f0c13eb62e264b197adb487887aa6985b34a834b5eb74edb1e164", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `expected_arguments`
[INFO] [stderr]    --> src/compiler/syntax_tree/generate_wasm/generate_wasm.rs:101:21
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 let expected_arguments = &function.entity.arguments;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected_arguments`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/compiler/syntax_tree/generate_wasm/generate_wasm.rs:104:22
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 for (i, argument) in arguments.iter().enumerate() {
[INFO] [stderr]     |                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/compiler/tokens.rs:19:41
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub(crate) fn new(text: &'a str) -> PeekableTokens {
[INFO] [stderr]    |                              --         ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                              |
[INFO] [stderr]    |                              the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub(crate) fn new(text: &'a str) -> PeekableTokens<'a> {
[INFO] [stderr]    |                                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/compiler/tokens.rs:74:30
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn new(text: &'a str) -> Tokens {
[INFO] [stderr]    |                   --         ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn new(text: &'a str) -> Tokens<'a> {
[INFO] [stderr]    |                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/compiler/tokens/token.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 14 |         value: &'a str,
[INFO] [stderr]    |                 -- the lifetime is named here
[INFO] [stderr] 15 |         range: Range<usize>,
[INFO] [stderr] 16 |     ) -> Token {
[INFO] [stderr]    |          ^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 16 |     ) -> Token<'a> {
[INFO] [stderr]    |               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `lang` (lib) generated 5 warnings (run `cargo fix --lib -p lang` to apply 5 suggestions)
[INFO] [stderr] warning: `lang` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lang-8a46a815107366df)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test compiler::syntax_tree::syntax_tree::tests::error ... ok
[INFO] [stdout] test compiler::tokens::tests::error ... ok
[INFO] [stdout] test compiler::tokens::tests::it_works ... ok
[INFO] [stdout] test compiler::tokens::token_converter::tests::it_works ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test compiler::syntax_tree::generate_wasm::generate_wasm::tests::it_works ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- compiler::syntax_tree::generate_wasm::generate_wasm::tests::it_works stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'compiler::syntax_tree::generate_wasm::generate_wasm::tests::it_works' (17) panicked at src/compiler/syntax_tree/generate_wasm/generate_wasm.rs:157:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: UnexpectedToken { expected_kinds: [CloseBrace], kind: Return, cursor: 79, text: "fn main() {\n    foo: I32 = 2 + 3 * ((5 - 1) + 1) / 3\n    bar: I32 = 10 - 4\n    return foo + bar\n}\n" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ef5f0e3a4f2 - std::backtrace_rs::backtrace::libunwind::trace::h786de35fecf3582f
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ef5f0e3a4f2 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a7da1a2a64387f1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ef5f0e3a4f2 - std::sys::backtrace::_print_fmt::h6bd7d500070c788c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5ef5f0e3a4f2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d82c1afff976903
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5ef5f0e4a55f - core::fmt::rt::Argument::fmt::hc4ce6d643d397690
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5ef5f0e4a55f - core::fmt::write::hb1e7ca88b6a3936e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5ef5f0e07d83 - std::io::default_write_fmt::haffd49d96f1984a8
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5ef5f0e07d83 - std::io::Write::write_fmt::h027871c57cf57c01
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5ef5f0e13c52 - std::sys::backtrace::BacktraceLock::print::ha2430613ee79d059
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5ef5f0e1878f - std::panicking::default_hook::{{closure}}::hdbd2db9e5c303cf6
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5ef5f0e18621 - std::panicking::default_hook::hed93c70cba5fdcf0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5ef5f0ddb78e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd0ee8b569efc6a07
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5ef5f0ddb78e - test::test_main_with_exit_callback::{{closure}}::hf10864b576ecd15d
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5ef5f0e18d9f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3a55ca34534c0d00
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5ef5f0e18d9f - std::panicking::panic_with_hook::h3862d766c2cec19b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5ef5f0e18bfa - std::panicking::panic_handler::{{closure}}::hb95eb402b5e28ee1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5ef5f0e13d99 - std::sys::backtrace::__rust_end_short_backtrace::hf73a26dc1835d85a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5ef5f0dfc67d - __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5ef5f0e524d0 - core::panicking::panic_fmt::h3454303eb8e6f7cd
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5ef5f0e51b56 - core::result::unwrap_failed::h2380020e6daeb464
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x5ef5f0da6cc1 - core::result::Result<T,E>::unwrap::h100e1d664aa1daeb
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5ef5f0da6cc1 - lang::compiler::syntax_tree::generate_wasm::generate_wasm::tests::it_works::hf13621723a894bf8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/compiler/syntax_tree/generate_wasm/generate_wasm.rs:157:63
[INFO] [stdout]   22:     0x5ef5f0da7077 - lang::compiler::syntax_tree::generate_wasm::generate_wasm::tests::it_works::{{closure}}::hb9208e17db9f380e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/compiler/syntax_tree/generate_wasm/generate_wasm.rs:142:18
[INFO] [stdout]   23:     0x5ef5f0da48c6 - core::ops::function::FnOnce::call_once::hb97a1396e0df87a0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5ef5f0ddb56b - core::ops::function::FnOnce::call_once::ha729ee35d2fab541
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5ef5f0ddb56b - test::__rust_begin_short_backtrace::ha40f4db8207e1111
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5ef5f0def5ed - test::run_test_in_process::{{closure}}::hc1b77cda5d44f0f3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5ef5f0def5ed - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1dbea1de64785521
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5ef5f0def5ed - std::panicking::catch_unwind::do_call::hd5febe9affd5a1b3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x5ef5f0def5ed - std::panicking::catch_unwind::h51ea89627559b6f4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x5ef5f0def5ed - std::panic::catch_unwind::hb8b8c2367cae3d66
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5ef5f0def5ed - test::run_test_in_process::ha5b55801407ea100
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5ef5f0def5ed - test::run_test::{{closure}}::h0b9d4072b527abf5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5ef5f0dc8b04 - test::run_test::{{closure}}::hb1056b5731205822
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5ef5f0dc8b04 - std::sys::backtrace::__rust_begin_short_backtrace::hb61ff5a34023c7ef
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5ef5f0dcc43a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hb0a83c0e8b353cff
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x5ef5f0dcc43a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb4f32cb008535298
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5ef5f0dcc43a - std::panicking::catch_unwind::do_call::h16d110e4fc35789a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x5ef5f0dcc43a - std::panicking::catch_unwind::hea9118f355699c4b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x5ef5f0dcc43a - std::panic::catch_unwind::hf4b3c2a06d3f42f5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5ef5f0dcc43a - std::thread::Builder::spawn_unchecked_::{{closure}}::h3f4cb733a52d53d5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x5ef5f0dcc43a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4052f0967b37caeb
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5ef5f0e0f18f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ec433abd3f148b4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x5ef5f0e0f18f - std::sys::thread::unix::Thread::new::thread_start::he514622d3d7ba65c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x723ec8e2aaa4 - <unknown>
[INFO] [stdout]   45:     0x723ec8eb7a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     compiler::syntax_tree::generate_wasm::generate_wasm::tests::it_works
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a1e9bc83ab1f0c13eb62e264b197adb487887aa6985b34a834b5eb74edb1e164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1e9bc83ab1f0c13eb62e264b197adb487887aa6985b34a834b5eb74edb1e164", kill_on_drop: false }`
[INFO] [stdout] a1e9bc83ab1f0c13eb62e264b197adb487887aa6985b34a834b5eb74edb1e164
