[INFO] cloning repository https://github.com/RussellSprouts/6502-language-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RussellSprouts/6502-language-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRussellSprouts%2F6502-language-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRussellSprouts%2F6502-language-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d77c31f2f401ed975bf0e3a4c3497bf7e297654
[INFO] checking RussellSprouts/6502-language-rust against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRussellSprouts%2F6502-language-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/RussellSprouts/6502-language-rust
[INFO] finished tweaking git repo https://github.com/RussellSprouts/6502-language-rust
[INFO] tweaked toml for git repo https://github.com/RussellSprouts/6502-language-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RussellSprouts/6502-language-rust on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RussellSprouts/6502-language-rust 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fede7f396945c91b32b4ab0c7bf0ca28abe565641fdba99e891bc4a30809ca9
[INFO] running `Command { std: "docker" "start" "-a" "3fede7f396945c91b32b4ab0c7bf0ca28abe565641fdba99e891bc4a30809ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fede7f396945c91b32b4ab0c7bf0ca28abe565641fdba99e891bc4a30809ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fede7f396945c91b32b4ab0c7bf0ca28abe565641fdba99e891bc4a30809ca9", kill_on_drop: false }`
[INFO] [stdout] 3fede7f396945c91b32b4ab0c7bf0ca28abe565641fdba99e891bc4a30809ca9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6010c92ae72859b6e86358b2287bfb1352dc954eaedeb9429f4169eee96b4e71
[INFO] running `Command { std: "docker" "start" "-a" "6010c92ae72859b6e86358b2287bfb1352dc954eaedeb9429f4169eee96b4e71", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking typed-arena v1.3.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling peg v0.5.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling rustc_version v0.2.2
[INFO] [stderr]    Compiling im v10.0.0
[INFO] [stderr]    Compiling regex v0.2.6
[INFO] [stderr]    Compiling compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try!(write!(fmt, "error at {}:{}: expected ", self.line,
[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]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 |         { try!(write!(fmt, "EOF")); } else if self.expected.len() == 1
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |             try!(write!(fmt, "`{}`",
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             try!(write!(fmt, "one of `{}`",
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |             { try!(write!(fmt, ", `{}`", escape_default(elem))); }
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:80:320
[INFO] [stdout]    |
[INFO] [stdout] 80 | ..._at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' | '$' | '%' => Matched ( __next , ( ) ) , _ ...
[INFO] [stdout]    |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:80:334
[INFO] [stdout]    |
[INFO] [stdout] 80 | ..., __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' | '$' | '%' => Matched ( __next , ( ) ) , _ => __state . m...
[INFO] [stdout]    |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:80:348
[INFO] [stdout]    |
[INFO] [stdout] 80 | ...tch __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' | '$' | '%' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( ...
[INFO] [stdout]    |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:82:763
[INFO] [stdout]    |
[INFO] [stdout] 82 | ..._at ( __input , __pos ) ; match __ch { '0' ... '9' | 'a' ... 'f' | 'A' ... 'F' => Matched ( __next , ( ) ) , _ => __state . mark_...
[INFO] [stdout]    |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:82:777
[INFO] [stdout]    |
[INFO] [stdout] 82 | ..., __pos ) ; match __ch { '0' ... '9' | 'a' ... 'f' | 'A' ... 'F' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __po...
[INFO] [stdout]    |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:82:791
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...tch __ch { '0' ... '9' | 'a' ... 'f' | 'A' ... 'F' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[0-9a-fA-...
[INFO] [stdout]    |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:86:492
[INFO] [stdout]    |
[INFO] [stdout] 86 | ..._at ( __input , __pos ) ; match __ch { '0' ... '9' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[0-9]" ) ...
[INFO] [stdout]    |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:136:677
[INFO] [stdout]     |
[INFO] [stdout] 136 | ..._at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure...
[INFO] [stdout]     |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:136:691
[INFO] [stdout]     |
[INFO] [stdout] 136 | ..., __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a...
[INFO] [stdout]     |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:136:1088
[INFO] [stdout]     |
[INFO] [stdout] 136 | ..._at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state ...
[INFO] [stdout]     |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:136:1102
[INFO] [stdout]     |
[INFO] [stdout] 136 | ..., __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure...
[INFO] [stdout]     |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:136:1116
[INFO] [stdout]     |
[INFO] [stdout] 136 | ...tch __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a...
[INFO] [stdout]     |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `nll` has been stable since 1.63.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(underscore_lifetimes)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try!(write!(fmt, "error at {}:{}: expected ", self.line,
[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]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 |         { try!(write!(fmt, "EOF")); } else if self.expected.len() == 1
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |             try!(write!(fmt, "`{}`",
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             try!(write!(fmt, "one of `{}`",
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |             { try!(write!(fmt, ", `{}`", escape_default(elem))); }
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:80:320
[INFO] [stdout]    |
[INFO] [stdout] 80 | ..._at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' | '$' | '%' => Matched ( __next , ( ) ) , _ ...
[INFO] [stdout]    |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:80:334
[INFO] [stdout]    |
[INFO] [stdout] 80 | ..., __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' | '$' | '%' => Matched ( __next , ( ) ) , _ => __state . m...
[INFO] [stdout]    |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:80:348
[INFO] [stdout]    |
[INFO] [stdout] 80 | ...tch __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' | '$' | '%' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( ...
[INFO] [stdout]    |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:82:763
[INFO] [stdout]    |
[INFO] [stdout] 82 | ..._at ( __input , __pos ) ; match __ch { '0' ... '9' | 'a' ... 'f' | 'A' ... 'F' => Matched ( __next , ( ) ) , _ => __state . mark_...
[INFO] [stdout]    |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:82:777
[INFO] [stdout]    |
[INFO] [stdout] 82 | ..., __pos ) ; match __ch { '0' ... '9' | 'a' ... 'f' | 'A' ... 'F' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __po...
[INFO] [stdout]    |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:82:791
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...tch __ch { '0' ... '9' | 'a' ... 'f' | 'A' ... 'F' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[0-9a-fA-...
[INFO] [stdout]    |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:86:492
[INFO] [stdout]    |
[INFO] [stdout] 86 | ..._at ( __input , __pos ) ; match __ch { '0' ... '9' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[0-9]" ) ...
[INFO] [stdout]    |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:136:677
[INFO] [stdout]     |
[INFO] [stdout] 136 | ..._at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure...
[INFO] [stdout]     |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:136:691
[INFO] [stdout]     |
[INFO] [stdout] 136 | ..., __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a...
[INFO] [stdout]     |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:136:1088
[INFO] [stdout]     |
[INFO] [stdout] 136 | ..._at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state ...
[INFO] [stdout]     |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:136:1102
[INFO] [stdout]     |
[INFO] [stdout] 136 | ..., __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure...
[INFO] [stdout]     |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compiler-bd1c694e44f469a0/out/grammar.rs:136:1116
[INFO] [stdout]     |
[INFO] [stdout] 136 | ...tch __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a...
[INFO] [stdout]     |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `nll` has been stable since 1.63.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(underscore_lifetimes)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> main.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |     let mut parsed: &Expression2;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `size` is never used
[INFO] [stdout]    --> main.rs:264:8
[INFO] [stdout]     |
[INFO] [stdout] 251 | impl<'a> Ast<'a> {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 264 |     fn size(&self) -> u64 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PrintAst` is never used
[INFO] [stdout]    --> main.rs:441:7
[INFO] [stdout]     |
[INFO] [stdout] 441 | trait PrintAst {
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> main.rs:285:55
[INFO] [stdout]     |
[INFO] [stdout] 285 |     fn create(&'a self, exp: &Expression2<'a>) -> &'a Expression2 {
[INFO] [stdout]     |                --                         --       -- ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |                          |        |
[INFO] [stdout]     |                |                          |        the same lifetime is named here
[INFO] [stdout]     |                |                          the lifetime is named here
[INFO] [stdout]     |                the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 285 |     fn create(&'a self, exp: &Expression2<'a>) -> &'a Expression2<'a> {
[INFO] [stdout]     |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[(Option<&str>, &Expression2<'_>)]` instead of cloning the inner type
[INFO] [stdout]    --> main.rs:358:64
[INFO] [stdout]     |
[INFO] [stdout] 358 |                 let mut result: Vec<&'a Expression2<'a>> = args.clone()
[INFO] [stdout]     |                                                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> main.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |     let mut parsed: &Expression2;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `size` is never used
[INFO] [stdout]    --> main.rs:264:8
[INFO] [stdout]     |
[INFO] [stdout] 251 | impl<'a> Ast<'a> {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 264 |     fn size(&self) -> u64 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PrintAst` is never used
[INFO] [stdout]    --> main.rs:441:7
[INFO] [stdout]     |
[INFO] [stdout] 441 | trait PrintAst {
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> main.rs:285:55
[INFO] [stdout]     |
[INFO] [stdout] 285 |     fn create(&'a self, exp: &Expression2<'a>) -> &'a Expression2 {
[INFO] [stdout]     |                --                         --       -- ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |                          |        |
[INFO] [stdout]     |                |                          |        the same lifetime is named here
[INFO] [stdout]     |                |                          the lifetime is named here
[INFO] [stdout]     |                the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 285 |     fn create(&'a self, exp: &Expression2<'a>) -> &'a Expression2<'a> {
[INFO] [stdout]     |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[(Option<&str>, &Expression2<'_>)]` instead of cloning the inner type
[INFO] [stdout]    --> main.rs:358:64
[INFO] [stdout]     |
[INFO] [stdout] 358 |                 let mut result: Vec<&'a Expression2<'a>> = args.clone()
[INFO] [stdout]     |                                                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.98s
[INFO] running `Command { std: "docker" "inspect" "6010c92ae72859b6e86358b2287bfb1352dc954eaedeb9429f4169eee96b4e71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6010c92ae72859b6e86358b2287bfb1352dc954eaedeb9429f4169eee96b4e71", kill_on_drop: false }`
[INFO] [stdout] 6010c92ae72859b6e86358b2287bfb1352dc954eaedeb9429f4169eee96b4e71
