[INFO] cloning repository https://github.com/finnkauski/finn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/finnkauski/finn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinnkauski%2Ffinn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinnkauski%2Ffinn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd4bd2f375aec0cad194321ce523049aedc1bb37
[INFO] checking finnkauski/finn against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinnkauski%2Ffinn" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/finnkauski/finn
[INFO] finished tweaking git repo https://github.com/finnkauski/finn
[INFO] tweaked toml for git repo https://github.com/finnkauski/finn written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/finnkauski/finn on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/finnkauski/finn 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0ee6bad4cec1d45bcebafa7ce87ca00c66e2ebc835a3226f553dcd77e9c842c
[INFO] running `Command { std: "docker" "start" "-a" "f0ee6bad4cec1d45bcebafa7ce87ca00c66e2ebc835a3226f553dcd77e9c842c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0ee6bad4cec1d45bcebafa7ce87ca00c66e2ebc835a3226f553dcd77e9c842c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ee6bad4cec1d45bcebafa7ce87ca00c66e2ebc835a3226f553dcd77e9c842c", kill_on_drop: false }`
[INFO] [stdout] f0ee6bad4cec1d45bcebafa7ce87ca00c66e2ebc835a3226f553dcd77e9c842c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2589c096acf2459c13838fbd7c69b6a21d58011dc380fec5a087059883348bb4
[INFO] running `Command { std: "docker" "start" "-a" "2589c096acf2459c13838fbd7c69b6a21d58011dc380fec5a087059883348bb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking finn_core v0.1.0 (/opt/rustwide/workdir/finn_core)
[INFO] [stdout] warning: unused import: `macros::*`
[INFO] [stdout]  --> finn_core/src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use macros::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `macros::*`
[INFO] [stdout]  --> finn_core/src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use macros::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `open` is never read
[INFO] [stdout]    --> finn_core/src/lexer.rs:439:39
[INFO] [stdout]     |
[INFO] [stdout] 439 |     MisbalancedSymbol { symbol: char, open: char },
[INFO] [stdout]     |                                       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `invalid` is never read
[INFO] [stdout]    --> finn_core/src/lexer.rs:442:39
[INFO] [stdout]     |
[INFO] [stdout] 442 |     NumericInvalidChar { raw: String, invalid: char },
[INFO] [stdout]     |                                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `open` is never read
[INFO] [stdout]    --> finn_core/src/lexer.rs:439:39
[INFO] [stdout]     |
[INFO] [stdout] 439 |     MisbalancedSymbol { symbol: char, open: char },
[INFO] [stdout]     |                                       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `invalid` is never read
[INFO] [stdout]    --> finn_core/src/lexer.rs:442:39
[INFO] [stdout]     |
[INFO] [stdout] 442 |     NumericInvalidChar { raw: String, invalid: char },
[INFO] [stdout]     |                                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> finn_core/src/lexer.rs:135:24
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn convert_to_type(&mut self, c: char) -> LResult<TokenType> {
[INFO] [stdout]     |                        ^^^^^^^^^              ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn convert_to_type(&mut self, c: char) -> LResult<'_, TokenType> {
[INFO] [stdout]     |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> finn_core/src/lexer.rs:230:23
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn next_token(&mut self) -> LResult<TokenType> {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn next_token(&mut self) -> LResult<'_, TokenType> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> finn_core/src/lexer.rs:255:25
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn update_balancing(&mut self, c: &char, how: BalancingUpdate) -> LResult<BalancingDepth> {
[INFO] [stdout]     |                         ^^^^^^^^^ the lifetime is elided here         ^^^^^^^^^^^^^^^^^^^^^^^ 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn update_balancing(&mut self, c: &char, how: BalancingUpdate) -> LResult<'_, BalancingDepth> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> finn_core/src/lexer.rs:281:21
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn parse_digits(&mut self, radix: u32, allow_empty: bool) -> LResult<String> {
[INFO] [stdout]     |                     ^^^^^^^^^ the lifetime is elided here        ^^^^^^^^^^^^^^^ 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn parse_digits(&mut self, radix: u32, allow_empty: bool) -> LResult<'_, String> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> finn_core/src/lexer.rs:326:21
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn parse_number(&mut self, start: char) -> LResult<TokenType> {
[INFO] [stdout]     |                     ^^^^^^^^^                  ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn parse_number(&mut self, start: char) -> LResult<'_, TokenType> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> finn_core/src/lexer.rs:374:21
[INFO] [stdout]     |
[INFO] [stdout] 374 |     fn parse_string(&mut self) -> LResult<TokenType> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 374 |     fn parse_string(&mut self) -> LResult<'_, TokenType> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> finn_core/src/lexer.rs:390:20
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn parse_ident(&mut self, start: char) -> LResult<TokenType> {
[INFO] [stdout]     |                    ^^^^^^^^^                  ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn parse_ident(&mut self, start: char) -> LResult<'_, TokenType> {
[INFO] [stdout]     |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> finn_core/src/lexer.rs:135:24
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn convert_to_type(&mut self, c: char) -> LResult<TokenType> {
[INFO] [stdout]     |                        ^^^^^^^^^              ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn convert_to_type(&mut self, c: char) -> LResult<'_, TokenType> {
[INFO] [stdout]     |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> finn_core/src/lexer.rs:404:23
[INFO] [stdout]     |
[INFO] [stdout] 404 |     fn parse_operator(&mut self, raw: char) -> LResult<TokenType> {
[INFO] [stdout]     |                       ^^^^^^^^^                ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 404 |     fn parse_operator(&mut self, raw: char) -> LResult<'_, TokenType> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> finn_core/src/lexer.rs:230:23
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn next_token(&mut self) -> LResult<TokenType> {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn next_token(&mut self) -> LResult<'_, TokenType> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> finn_core/src/lexer.rs:255:25
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn update_balancing(&mut self, c: &char, how: BalancingUpdate) -> LResult<BalancingDepth> {
[INFO] [stdout]     |                         ^^^^^^^^^ the lifetime is elided here         ^^^^^^^^^^^^^^^^^^^^^^^ 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn update_balancing(&mut self, c: &char, how: BalancingUpdate) -> LResult<'_, BalancingDepth> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> finn_core/src/lexer.rs:281:21
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn parse_digits(&mut self, radix: u32, allow_empty: bool) -> LResult<String> {
[INFO] [stdout]     |                     ^^^^^^^^^ the lifetime is elided here        ^^^^^^^^^^^^^^^ 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn parse_digits(&mut self, radix: u32, allow_empty: bool) -> LResult<'_, String> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> finn_core/src/lexer.rs:326:21
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn parse_number(&mut self, start: char) -> LResult<TokenType> {
[INFO] [stdout]     |                     ^^^^^^^^^                  ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn parse_number(&mut self, start: char) -> LResult<'_, TokenType> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> finn_core/src/lexer.rs:374:21
[INFO] [stdout]     |
[INFO] [stdout] 374 |     fn parse_string(&mut self) -> LResult<TokenType> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 374 |     fn parse_string(&mut self) -> LResult<'_, TokenType> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> finn_core/src/lexer.rs:390:20
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn parse_ident(&mut self, start: char) -> LResult<TokenType> {
[INFO] [stdout]     |                    ^^^^^^^^^                  ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn parse_ident(&mut self, start: char) -> LResult<'_, TokenType> {
[INFO] [stdout]     |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> finn_core/src/lexer.rs:404:23
[INFO] [stdout]     |
[INFO] [stdout] 404 |     fn parse_operator(&mut self, raw: char) -> LResult<TokenType> {
[INFO] [stdout]     |                       ^^^^^^^^^                ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 404 |     fn parse_operator(&mut self, raw: char) -> LResult<'_, TokenType> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking finn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | /     /// File to be used as source code
[INFO] [stdout] 8 | |     file: String,
[INFO] [stdout]   | |________________^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | /     /// File to be used as source code
[INFO] [stdout] 8 | |     file: String,
[INFO] [stdout]   | |________________^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `finn` (bin "finn") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `finn` (bin "finn" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2589c096acf2459c13838fbd7c69b6a21d58011dc380fec5a087059883348bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2589c096acf2459c13838fbd7c69b6a21d58011dc380fec5a087059883348bb4", kill_on_drop: false }`
[INFO] [stdout] 2589c096acf2459c13838fbd7c69b6a21d58011dc380fec5a087059883348bb4
