[INFO] fetching crate rusty-peg 0.3.0...
[INFO] testing rusty-peg-0.3.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate rusty-peg 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rusty-peg 0.3.0
[INFO] finished tweaking crates.io crate rusty-peg 0.3.0
[INFO] tweaked toml for crates.io crate rusty-peg 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty-peg 0.3.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding regex v0.1.80 (available: v1.11.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78a099bc4653013252a0d73db5bced14e450891cff494186231168f889b5ebbf
[INFO] running `Command { std: "docker" "start" "-a" "78a099bc4653013252a0d73db5bced14e450891cff494186231168f889b5ebbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78a099bc4653013252a0d73db5bced14e450891cff494186231168f889b5ebbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78a099bc4653013252a0d73db5bced14e450891cff494186231168f889b5ebbf", kill_on_drop: false }`
[INFO] [stdout] 78a099bc4653013252a0d73db5bced14e450891cff494186231168f889b5ebbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 7127f85a9b03b0564a1a83bfc94160f0da57aea5038bb1b3c09a9b1a8adee151
[INFO] running `Command { std: "docker" "start" "-a" "7127f85a9b03b0564a1a83bfc94160f0da57aea5038bb1b3c09a9b1a8adee151", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling rusty-peg v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:22:29
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let (mid, result) = try!(self.parse(grammar, start));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:69:28
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let (mid, first) = try!(self.first.parse(grammar, start));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let (sep, ()) = try!(self.sep.parse(grammar, mid));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:71:29
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let (end, second) = try!(self.second.parse(grammar, sep));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/util.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let mut err;
[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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/tree.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn children(&self) -> ChildIterator<K> {
[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] 52 |     pub fn children(&self) -> ChildIterator<'_, K> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "7127f85a9b03b0564a1a83bfc94160f0da57aea5038bb1b3c09a9b1a8adee151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7127f85a9b03b0564a1a83bfc94160f0da57aea5038bb1b3c09a9b1a8adee151", kill_on_drop: false }`
[INFO] [stdout] 7127f85a9b03b0564a1a83bfc94160f0da57aea5038bb1b3c09a9b1a8adee151
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 72201b5312f2f80f360845d8f4a68f36bd76816be6526410d7d6620111f6adca
[INFO] running `Command { std: "docker" "start" "-a" "72201b5312f2f80f360845d8f4a68f36bd76816be6526410d7d6620111f6adca", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling rusty-peg v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:22:29
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let (mid, result) = try!(self.parse(grammar, start));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:69:28
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let (mid, first) = try!(self.first.parse(grammar, start));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let (sep, ()) = try!(self.sep.parse(grammar, mid));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:71:29
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let (end, second) = try!(self.second.parse(grammar, sep));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/util.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let mut err;
[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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/tree.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn children(&self) -> ChildIterator<K> {
[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] 52 |     pub fn children(&self) -> ChildIterator<'_, K> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:22:29
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let (mid, result) = try!(self.parse(grammar, start));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:69:28
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let (mid, first) = try!(self.first.parse(grammar, start));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let (sep, ()) = try!(self.sep.parse(grammar, mid));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:71:29
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let (end, second) = try!(self.second.parse(grammar, sep));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/test/calculator.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout] 4   | / rusty_peg! {
[INFO] [stdout] 5   | |     parser Calculator<'input> {
[INFO] [stdout] 6   | |         EXPR: u32 =
[INFO] [stdout] 7   | |             ADD_SUB_EXPR;
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `rusty_peg_declare_map_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/test/calculator.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout] 4   | / rusty_peg! {
[INFO] [stdout] 5   | |     parser Calculator<'input> {
[INFO] [stdout] 6   | |         EXPR: u32 =
[INFO] [stdout] 7   | |             ADD_SUB_EXPR;
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `rusty_peg_declare_map_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:408:29
[INFO] [stdout]     |
[INFO] [stdout] 408 |   ...                   try!($crate::Symbol::parse(&lhs_parser,
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/test/calculator.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout] 4   | / rusty_peg! {
[INFO] [stdout] 5   | |     parser Calculator<'input> {
[INFO] [stdout] 6   | |         EXPR: u32 =
[INFO] [stdout] 7   | |             ADD_SUB_EXPR;
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `rusty_peg_declare_fold_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]   --> src/test/calculator.rs:14:46
[INFO] [stdout]    |
[INFO] [stdout] 14 |                  ("+" <rhs:MUL_DIV_EXPR>) => { lhs + rhs },
[INFO] [stdout]    |                                              ^^         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 14 -                  ("+" <rhs:MUL_DIV_EXPR>) => { lhs + rhs },
[INFO] [stdout] 14 +                  ("+" <rhs:MUL_DIV_EXPR>) => lhs + rhs,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]   --> src/test/calculator.rs:15:46
[INFO] [stdout]    |
[INFO] [stdout] 15 |                  ("-" <rhs:MUL_DIV_EXPR>) => { lhs - rhs });
[INFO] [stdout]    |                                              ^^         ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 15 -                  ("-" <rhs:MUL_DIV_EXPR>) => { lhs - rhs });
[INFO] [stdout] 15 +                  ("-" <rhs:MUL_DIV_EXPR>) => lhs - rhs);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:408:29
[INFO] [stdout]     |
[INFO] [stdout] 408 |   ...                   try!($crate::Symbol::parse(&lhs_parser,
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/test/calculator.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout] 4   | / rusty_peg! {
[INFO] [stdout] 5   | |     parser Calculator<'input> {
[INFO] [stdout] 6   | |         EXPR: u32 =
[INFO] [stdout] 7   | |             ADD_SUB_EXPR;
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `rusty_peg_declare_fold_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]   --> src/test/calculator.rs:19:43
[INFO] [stdout]    |
[INFO] [stdout] 19 |                  ("*" <rhs:ATOM_EXPR>) => { lhs * rhs },
[INFO] [stdout]    |                                           ^^         ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 19 -                  ("*" <rhs:ATOM_EXPR>) => { lhs * rhs },
[INFO] [stdout] 19 +                  ("*" <rhs:ATOM_EXPR>) => lhs * rhs,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]   --> src/test/calculator.rs:20:43
[INFO] [stdout]    |
[INFO] [stdout] 20 |                  ("/" <rhs:ATOM_EXPR>) => { lhs / rhs });
[INFO] [stdout]    |                                           ^^         ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 20 -                  ("/" <rhs:ATOM_EXPR>) => { lhs / rhs });
[INFO] [stdout] 20 +                  ("/" <rhs:ATOM_EXPR>) => lhs / rhs);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/test/classy.rs:35:1
[INFO] [stdout]     |
[INFO] [stdout] 35  | / rusty_peg! {
[INFO] [stdout] 36  | |     parser Classy<'input> {
[INFO] [stdout] 37  | |         ID: &'input str =
[INFO] [stdout] 38  | |             regex(r"^[a-zA-Z_][a-zA-Z_0-9]*") - ["class"];
[INFO] [stdout] ...   |
[INFO] [stdout] 65  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `rusty_peg_declare_map_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/test/classy.rs:35:1
[INFO] [stdout]     |
[INFO] [stdout] 35  | / rusty_peg! {
[INFO] [stdout] 36  | |     parser Classy<'input> {
[INFO] [stdout] 37  | |         ID: &'input str =
[INFO] [stdout] 38  | |             regex(r"^[a-zA-Z_][a-zA-Z_0-9]*") - ["class"];
[INFO] [stdout] ...   |
[INFO] [stdout] 65  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `rusty_peg_declare_map_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/test/classy.rs:35:1
[INFO] [stdout]     |
[INFO] [stdout] 35  | / rusty_peg! {
[INFO] [stdout] 36  | |     parser Classy<'input> {
[INFO] [stdout] 37  | |         ID: &'input str =
[INFO] [stdout] 38  | |             regex(r"^[a-zA-Z_][a-zA-Z_0-9]*") - ["class"];
[INFO] [stdout] ...   |
[INFO] [stdout] 65  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `rusty_peg_declare_map_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/test/classy.rs:35:1
[INFO] [stdout]     |
[INFO] [stdout] 35  | / rusty_peg! {
[INFO] [stdout] 36  | |     parser Classy<'input> {
[INFO] [stdout] 37  | |         ID: &'input str =
[INFO] [stdout] 38  | |             regex(r"^[a-zA-Z_][a-zA-Z_0-9]*") - ["class"];
[INFO] [stdout] ...   |
[INFO] [stdout] 65  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `rusty_peg_declare_map_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/test/combos.rs:8:1
[INFO] [stdout]     |
[INFO] [stdout] 8   | / rusty_peg! {
[INFO] [stdout] 9   | |     parser Parser<'input> {
[INFO] [stdout] 10  | |         StrHi: &'input str = "Hi";
[INFO] [stdout] 11  | |         StrHi1: &'input str = ("Hi");
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `rusty_peg_declare_map_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/test/combos.rs:8:1
[INFO] [stdout]     |
[INFO] [stdout] 8   | / rusty_peg! {
[INFO] [stdout] 9   | |     parser Parser<'input> {
[INFO] [stdout] 10  | |         StrHi: &'input str = "Hi";
[INFO] [stdout] 11  | |         StrHi1: &'input str = ("Hi");
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `rusty_peg_declare_map_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/test/combos.rs:8:1
[INFO] [stdout]     |
[INFO] [stdout] 8   | / rusty_peg! {
[INFO] [stdout] 9   | |     parser Parser<'input> {
[INFO] [stdout] 10  | |         StrHi: &'input str = "Hi";
[INFO] [stdout] 11  | |         StrHi1: &'input str = ("Hi");
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `rusty_peg_declare_map_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/test/combos.rs:8:1
[INFO] [stdout]     |
[INFO] [stdout] 8   | / rusty_peg! {
[INFO] [stdout] 9   | |     parser Parser<'input> {
[INFO] [stdout] 10  | |         StrHi: &'input str = "Hi";
[INFO] [stdout] 11  | |         StrHi1: &'input str = ("Hi");
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `rusty_peg_declare_map_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/test/combos.rs:8:1
[INFO] [stdout]     |
[INFO] [stdout] 8   | / rusty_peg! {
[INFO] [stdout] 9   | |     parser Parser<'input> {
[INFO] [stdout] 10  | |         StrHi: &'input str = "Hi";
[INFO] [stdout] 11  | |         StrHi1: &'input str = ("Hi");
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `rusty_peg_declare_map_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/test/combos.rs:8:1
[INFO] [stdout]     |
[INFO] [stdout] 8   | / rusty_peg! {
[INFO] [stdout] 9   | |     parser Parser<'input> {
[INFO] [stdout] 10  | |         StrHi: &'input str = "Hi";
[INFO] [stdout] 11  | |         StrHi1: &'input str = ("Hi");
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `rusty_peg_declare_map_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/test/silly_grammar.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / rusty_peg! {
[INFO] [stdout] 8   | |     parser Parser<'input>: Foo {
[INFO] [stdout] 9   | |         Hi: u32 = ("Hi") => 1;
[INFO] [stdout] 10  | |         Ho: u32 = "Ho" => 2;
[INFO] [stdout] ...   |
[INFO] [stdout] 21  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `rusty_peg_declare_map_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/test/silly_grammar.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / rusty_peg! {
[INFO] [stdout] 8   | |     parser Parser<'input>: Foo {
[INFO] [stdout] 9   | |         Hi: u32 = ("Hi") => 1;
[INFO] [stdout] 10  | |         Ho: u32 = "Ho" => 2;
[INFO] [stdout] ...   |
[INFO] [stdout] 21  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `rusty_peg_declare_map_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/test/silly_grammar.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / rusty_peg! {
[INFO] [stdout] 8   | |     parser Parser<'input>: Foo {
[INFO] [stdout] 9   | |         Hi: u32 = ("Hi") => 1;
[INFO] [stdout] 10  | |         Ho: u32 = "Ho" => 2;
[INFO] [stdout] ...   |
[INFO] [stdout] 21  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `rusty_peg_declare_map_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/test/silly_grammar.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / rusty_peg! {
[INFO] [stdout] 8   | |     parser Parser<'input>: Foo {
[INFO] [stdout] 9   | |         Hi: u32 = ("Hi") => 1;
[INFO] [stdout] 10  | |         Ho: u32 = "Ho" => 2;
[INFO] [stdout] ...   |
[INFO] [stdout] 21  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `rusty_peg_declare_map_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/util.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let mut err;
[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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/tree.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn children(&self) -> ChildIterator<K> {
[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] 52 |     pub fn children(&self) -> ChildIterator<'_, K> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "72201b5312f2f80f360845d8f4a68f36bd76816be6526410d7d6620111f6adca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72201b5312f2f80f360845d8f4a68f36bd76816be6526410d7d6620111f6adca", kill_on_drop: false }`
[INFO] [stdout] 72201b5312f2f80f360845d8f4a68f36bd76816be6526410d7d6620111f6adca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] a111e5f20547ba16d308b904cff7e21dcb0fb52ceb4468dfce3f9daa892d9b24
[INFO] running `Command { std: "docker" "start" "-a" "a111e5f20547ba16d308b904cff7e21dcb0fb52ceb4468dfce3f9daa892d9b24", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:22:29
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let (mid, result) = try!(self.parse(grammar, start));
[INFO] [stderr]    |                             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:69:28
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let (mid, first) = try!(self.first.parse(grammar, start));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:70:25
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let (sep, ()) = try!(self.sep.parse(grammar, mid));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:71:29
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let (end, second) = try!(self.second.parse(grammar, sep));
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/util.rs:169:13
[INFO] [stderr]     |
[INFO] [stderr] 169 |         let mut err;
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 15 tests
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/tree.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn children(&self) -> ChildIterator<K> {
[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] 52 |     pub fn children(&self) -> ChildIterator<'_, K> {
[INFO] [stderr]    |                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/macros.rs:315:29
[INFO] [stderr]     |
[INFO] [stderr] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/test/calculator.rs:4:1
[INFO] [stderr]     |
[INFO] [stderr] 4   | / rusty_peg! {
[INFO] [stderr] 5   | |     parser Calculator<'input> {
[INFO] [stderr] 6   | |         EXPR: u32 =
[INFO] [stderr] 7   | |             ADD_SUB_EXPR;
[INFO] [stderr] ...   |
[INFO] [stderr] 31  | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `rusty_peg_declare_map_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/macros.rs:408:29
[INFO] [stderr]     |
[INFO] [stderr] 408 |   ...                   try!($crate::Symbol::parse(&lhs_parser,
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/test/calculator.rs:4:1
[INFO] [stderr]     |
[INFO] [stderr] 4   | / rusty_peg! {
[INFO] [stderr] 5   | |     parser Calculator<'input> {
[INFO] [stderr] 6   | |         EXPR: u32 =
[INFO] [stderr] 7   | |             ADD_SUB_EXPR;
[INFO] [stderr] ...   |
[INFO] [stderr] 31  | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `rusty_peg_declare_fold_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> src/test/calculator.rs:14:46
[INFO] [stderr]    |
[INFO] [stderr] 14 |                  ("+" <rhs:MUL_DIV_EXPR>) => { lhs + rhs },
[INFO] [stderr]    |                                              ^^         ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 14 -                  ("+" <rhs:MUL_DIV_EXPR>) => { lhs + rhs },
[INFO] [stderr] 14 +                  ("+" <rhs:MUL_DIV_EXPR>) => lhs + rhs,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> src/test/calculator.rs:15:46
[INFO] [stderr]    |
[INFO] [stderr] 15 |                  ("-" <rhs:MUL_DIV_EXPR>) => { lhs - rhs });
[INFO] [stderr]    |                                              ^^         ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 15 -                  ("-" <rhs:MUL_DIV_EXPR>) => { lhs - rhs });
[INFO] [stderr] 15 +                  ("-" <rhs:MUL_DIV_EXPR>) => lhs - rhs);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> src/test/calculator.rs:19:43
[INFO] [stderr]    |
[INFO] [stderr] 19 |                  ("*" <rhs:ATOM_EXPR>) => { lhs * rhs },
[INFO] [stderr]    |                                           ^^         ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 19 -                  ("*" <rhs:ATOM_EXPR>) => { lhs * rhs },
[INFO] [stderr] 19 +                  ("*" <rhs:ATOM_EXPR>) => lhs * rhs,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> src/test/calculator.rs:20:43
[INFO] [stderr]    |
[INFO] [stderr] 20 |                  ("/" <rhs:ATOM_EXPR>) => { lhs / rhs });
[INFO] [stderr]    |                                           ^^         ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 20 -                  ("/" <rhs:ATOM_EXPR>) => { lhs / rhs });
[INFO] [stderr] 20 +                  ("/" <rhs:ATOM_EXPR>) => lhs / rhs);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/macros.rs:315:29
[INFO] [stderr]     |
[INFO] [stderr] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/test/classy.rs:35:1
[INFO] [stderr]     |
[INFO] [stderr] 35  | / rusty_peg! {
[INFO] [stderr] 36  | |     parser Classy<'input> {
[INFO] [stderr] 37  | |         ID: &'input str =
[INFO] [stderr] 38  | |             regex(r"^[a-zA-Z_][a-zA-Z_0-9]*") - ["class"];
[INFO] [stderr] ...   |
[INFO] [stderr] 65  | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `rusty_peg_declare_map_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/macros.rs:315:29
[INFO] [stderr]     |
[INFO] [stderr] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/test/combos.rs:8:1
[INFO] [stderr]     |
[INFO] [stderr] 8   | / rusty_peg! {
[INFO] [stderr] 9   | |     parser Parser<'input> {
[INFO] [stderr] 10  | |         StrHi: &'input str = "Hi";
[INFO] [stderr] 11  | |         StrHi1: &'input str = ("Hi");
[INFO] [stderr] ...   |
[INFO] [stderr] 31  | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `rusty_peg_declare_map_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/macros.rs:315:29
[INFO] [stderr]     |
[INFO] [stderr] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/test/silly_grammar.rs:7:1
[INFO] [stderr]     |
[INFO] [stderr] 7   | / rusty_peg! {
[INFO] [stderr] 8   | |     parser Parser<'input>: Foo {
[INFO] [stderr] 9   | |         Hi: u32 = ("Hi") => 1;
[INFO] [stderr] 10  | |         Ho: u32 = "Ho" => 2;
[INFO] [stderr] ...   |
[INFO] [stderr] 21  | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `rusty_peg_declare_map_nonterminal` which comes from the expansion of the macro `rusty_peg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty-peg` (lib) generated 6 warnings (run `cargo fix --lib -p rusty-peg` to apply 2 suggestions)
[INFO] [stderr] warning: `rusty-peg` (lib test) generated 28 warnings (19 duplicates) (run `cargo fix --lib -p rusty-peg --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rusty_peg-3ccb7bfdd04c4c2b)
[INFO] [stdout] test test::combos::test_position ... ok
[INFO] [stdout] test test::calculator::parse_plus ... ok
[INFO] [stdout] test test::calculator::parse_expr ... ok
[INFO] [stdout] test test::silly_grammar::parse_hiorho_from_hi ... ok
[INFO] [stdout] test test::silly_grammar::parse_hiho_from_ho ... ok
[INFO] [stdout] test test::silly_grammar::parse_hi_from_hi ... ok
[INFO] [stdout] test test::silly_grammar::parse_hiorho_from_ho ... ok
[INFO] [stdout] test test::calculator::parse_number ... ok
[INFO] [stdout] test test::silly_grammar::parse_repeat ... ok
[INFO] [stdout] test tree::test::iterate ... ok
[INFO] [stdout] test test::calculator::parse_parens ... ok
[INFO] [stdout] test test::calculator::parse_mul ... ok
[INFO] [stdout] test test::silly_grammar::parse_sum_from_ho ... ok
[INFO] [stdout] test test::classy::parse_a_class ... ok
[INFO] [stdout] test test::silly_grammar::parse_hi_from_ho - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a111e5f20547ba16d308b904cff7e21dcb0fb52ceb4468dfce3f9daa892d9b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a111e5f20547ba16d308b904cff7e21dcb0fb52ceb4468dfce3f9daa892d9b24", kill_on_drop: false }`
[INFO] [stdout] a111e5f20547ba16d308b904cff7e21dcb0fb52ceb4468dfce3f9daa892d9b24