[INFO] cloning repository https://github.com/llamachannel/timpani
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/llamachannel/timpani" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllamachannel%2Ftimpani", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllamachannel%2Ftimpani'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddd641ca4d82510f5a3e240dbd7e92109ae40d72
[INFO] testing llamachannel/timpani against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllamachannel%2Ftimpani" "/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/llamachannel/timpani
[INFO] finished tweaking git repo https://github.com/llamachannel/timpani
[INFO] tweaked toml for git repo https://github.com/llamachannel/timpani written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/llamachannel/timpani on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/llamachannel/timpani 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitvec v0.19.5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27b4b865c7f937192c60c8d8045bb2157a931381f2f1a89391cb55bfa334455e
[INFO] running `Command { std: "docker" "start" "-a" "27b4b865c7f937192c60c8d8045bb2157a931381f2f1a89391cb55bfa334455e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27b4b865c7f937192c60c8d8045bb2157a931381f2f1a89391cb55bfa334455e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b4b865c7f937192c60c8d8045bb2157a931381f2f1a89391cb55bfa334455e", kill_on_drop: false }`
[INFO] [stdout] 27b4b865c7f937192c60c8d8045bb2157a931381f2f1a89391cb55bfa334455e
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c5966721322c9e29ecb93e6df0b08a8f36165b80f0470b5d2bdab7304e73315
[INFO] running `Command { std: "docker" "start" "-a" "9c5966721322c9e29ecb93e6df0b08a8f36165b80f0470b5d2bdab7304e73315", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling timpani v0.1.0-pre (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `nom::multi::many0`
[INFO] [stdout]   --> src/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use nom::multi::many0;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParseInfo` is never constructed
[INFO] [stdout]   --> src/parser.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct ParseInfo<'a, T> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parseStatement` is never used
[INFO] [stdout]    --> src/parser.rs:195:4
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn parseStatement(input: &str) -> PResult<Statement> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parseStatement` should have a snake case name
[INFO] [stdout]    --> src/parser.rs:195:4
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn parseStatement(input: &str) -> PResult<Statement> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `parse_statement`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/parser.rs:195:26
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn parseStatement(input: &str) -> PResult<Statement> {
[INFO] [stdout]     |                          ^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn parseStatement(input: &str) -> PResult<'_, Statement> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.62s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "9c5966721322c9e29ecb93e6df0b08a8f36165b80f0470b5d2bdab7304e73315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c5966721322c9e29ecb93e6df0b08a8f36165b80f0470b5d2bdab7304e73315", kill_on_drop: false }`
[INFO] [stdout] 9c5966721322c9e29ecb93e6df0b08a8f36165b80f0470b5d2bdab7304e73315
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e15da19284d29686bfe3ecaeb3ea041cc4661b3d19a300bdde548267609bf97
[INFO] running `Command { std: "docker" "start" "-a" "6e15da19284d29686bfe3ecaeb3ea041cc4661b3d19a300bdde548267609bf97", kill_on_drop: false }`
[INFO] [stderr]    Compiling timpani v0.1.0-pre (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `nom::multi::many0`
[INFO] [stdout]   --> src/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use nom::multi::many0;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParseInfo` is never constructed
[INFO] [stdout]   --> src/parser.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct ParseInfo<'a, T> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parseStatement` is never used
[INFO] [stdout]    --> src/parser.rs:195:4
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn parseStatement(input: &str) -> PResult<Statement> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parseStatement` should have a snake case name
[INFO] [stdout]    --> src/parser.rs:195:4
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn parseStatement(input: &str) -> PResult<Statement> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `parse_statement`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/parser.rs:195:26
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn parseStatement(input: &str) -> PResult<Statement> {
[INFO] [stdout]     |                          ^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn parseStatement(input: &str) -> PResult<'_, Statement> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom::multi::many0`
[INFO] [stdout]   --> src/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use nom::multi::many0;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:307:9
[INFO] [stdout]     |
[INFO] [stdout] 307 |     let mut parse_result = parse_expression("id(456)");
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr2`
[INFO] [stdout]    --> src/parser.rs:385:45
[INFO] [stdout]     |
[INFO] [stdout] 385 |     if let Expression::BinOp(bin_op, expr1, expr2) = parse_result1.unwrap().1 {
[INFO] [stdout]     |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_expr2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParseInfo` is never constructed
[INFO] [stdout]   --> src/parser.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct ParseInfo<'a, T> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parseStatement` is never used
[INFO] [stdout]    --> src/parser.rs:195:4
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn parseStatement(input: &str) -> PResult<Statement> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parseStatement` should have a snake case name
[INFO] [stdout]    --> src/parser.rs:195:4
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn parseStatement(input: &str) -> PResult<Statement> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `parse_statement`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/parser.rs:195:26
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn parseStatement(input: &str) -> PResult<Statement> {
[INFO] [stdout]     |                          ^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn parseStatement(input: &str) -> PResult<'_, Statement> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "6e15da19284d29686bfe3ecaeb3ea041cc4661b3d19a300bdde548267609bf97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e15da19284d29686bfe3ecaeb3ea041cc4661b3d19a300bdde548267609bf97", kill_on_drop: false }`
[INFO] [stdout] 6e15da19284d29686bfe3ecaeb3ea041cc4661b3d19a300bdde548267609bf97
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0921e91ec9c3b1b5d06b6d2e9d0ad8fadb23c1c7ef9ca4b7ea47fecbe8c2191d
[INFO] running `Command { std: "docker" "start" "-a" "0921e91ec9c3b1b5d06b6d2e9d0ad8fadb23c1c7ef9ca4b7ea47fecbe8c2191d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `nom::multi::many0`
[INFO] [stderr]   --> src/parser.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use nom::multi::many0;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ParseInfo` is never constructed
[INFO] [stderr]   --> src/parser.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | struct ParseInfo<'a, T> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `parseStatement` is never used
[INFO] [stderr]    --> src/parser.rs:195:4
[INFO] [stderr]     |
[INFO] [stderr] 195 | fn parseStatement(input: &str) -> PResult<Statement> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parseStatement` should have a snake case name
[INFO] [stderr]    --> src/parser.rs:195:4
[INFO] [stderr]     |
[INFO] [stderr] 195 | fn parseStatement(input: &str) -> PResult<Statement> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `parse_statement`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/parser.rs:195:26
[INFO] [stderr]     |
[INFO] [stderr] 195 | fn parseStatement(input: &str) -> PResult<Statement> {
[INFO] [stderr]     |                          ^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 195 | fn parseStatement(input: &str) -> PResult<'_, Statement> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser.rs:307:9
[INFO] [stderr]     |
[INFO] [stderr] 307 |     let mut parse_result = parse_expression("id(456)");
[INFO] [stderr]     |         ----^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr2`
[INFO] [stderr]    --> src/parser.rs:385:45
[INFO] [stderr]     |
[INFO] [stderr] 385 |     if let Expression::BinOp(bin_op, expr1, expr2) = parse_result1.unwrap().1 {
[INFO] [stderr]     |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_expr2`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `timpani` (lib) generated 5 warnings (run `cargo fix --lib -p timpani` to apply 1 suggestion)
[INFO] [stderr] warning: `timpani` (lib test) generated 7 warnings (5 duplicates) (run `cargo fix --lib -p timpani --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/timpani-577e2535385b4e96)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test parser::tests::test_parse_basic_ident ... ok
[INFO] [stdout] test parser::tests::test_parse_expression_func_call ... ok
[INFO] [stdout] test parser::tests::test_parse_expression_bin_op ... FAILED
[INFO] [stderr] 
[INFO] [stderr] thread '<unknown>' has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow, aborting
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/timpani-577e2535385b4e96` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "0921e91ec9c3b1b5d06b6d2e9d0ad8fadb23c1c7ef9ca4b7ea47fecbe8c2191d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0921e91ec9c3b1b5d06b6d2e9d0ad8fadb23c1c7ef9ca4b7ea47fecbe8c2191d", kill_on_drop: false }`
[INFO] [stdout] 0921e91ec9c3b1b5d06b6d2e9d0ad8fadb23c1c7ef9ca4b7ea47fecbe8c2191d
