[INFO] cloning repository https://github.com/snewcomer/parser_combinator_tut [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snewcomer/parser_combinator_tut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnewcomer%2Fparser_combinator_tut", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnewcomer%2Fparser_combinator_tut'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 76a5c3f1a4116a35cdb566424a2c3e4f41da7b3d [INFO] checking snewcomer/parser_combinator_tut against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnewcomer%2Fparser_combinator_tut" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/snewcomer/parser_combinator_tut on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/snewcomer/parser_combinator_tut [INFO] finished tweaking git repo https://github.com/snewcomer/parser_combinator_tut [INFO] tweaked toml for git repo https://github.com/snewcomer/parser_combinator_tut written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/snewcomer/parser_combinator_tut 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4515c2539152795aa7c22a38423bce5ab5fc7205c4004074d15df67c475ab04b [INFO] running `Command { std: "docker" "start" "-a" "4515c2539152795aa7c22a38423bce5ab5fc7205c4004074d15df67c475ab04b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4515c2539152795aa7c22a38423bce5ab5fc7205c4004074d15df67c475ab04b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4515c2539152795aa7c22a38423bce5ab5fc7205c4004074d15df67c475ab04b", kill_on_drop: false }` [INFO] [stdout] 4515c2539152795aa7c22a38423bce5ab5fc7205c4004074d15df67c475ab04b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8fcfe26ac183b376c649c23f2a48e98f8580625ccab70f9df280a2bc8d300033 [INFO] running `Command { std: "docker" "start" "-a" "8fcfe26ac183b376c649c23f2a48e98f8580625ccab70f9df280a2bc8d300033", kill_on_drop: false }` [INFO] [stderr] Checking parser_combinator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Element` is never constructed [INFO] [stdout] --> src/main.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct Element { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `ParseResult` is never used [INFO] [stdout] --> src/main.rs:8:6 [INFO] [stdout] | [INFO] [stdout] 8 | type ParseResult<'a, Output> = Result<(&'a str, Output), &'a str>; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Parser` is never used [INFO] [stdout] --> src/main.rs:10:7 [INFO] [stdout] | [INFO] [stdout] 10 | trait Parser<'a, Output> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BoxedParser` is never constructed [INFO] [stdout] --> src/main.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | struct BoxedParser<'a, Output> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 48 | impl<'a, Output> BoxedParser<'a, Output> { [INFO] [stdout] | ---------------------------------------- associated function in this implementation [INFO] [stdout] 49 | fn new
(parser: P) -> Self
[INFO] [stdout] | ^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `identifier` is never used
[INFO] [stdout] --> src/main.rs:74:4
[INFO] [stdout] |
[INFO] [stdout] 74 | fn identifier(input: &str) -> Result<(&str, String), &str> {
[INFO] [stdout] | ^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `map` is never used
[INFO] [stdout] --> src/main.rs:106:4
[INFO] [stdout] |
[INFO] [stdout] 106 | fn map<'a, P, F, A, B>(parser: P, map_fn: F) -> impl Parser<'a, B>
[INFO] [stdout] | ^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `pair` is never used
[INFO] [stdout] --> src/main.rs:116:4
[INFO] [stdout] |
[INFO] [stdout] 116 | fn pair<'a, P1, P2, R1, R2>(parser1: P1, parser2: P2) -> impl Parser<'a, (R1, R2)>
[INFO] [stdout] | ^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `left` is never used
[INFO] [stdout] --> src/main.rs:130:4
[INFO] [stdout] |
[INFO] [stdout] 130 | fn left<'a, P1, P2, R1, R2>(parser1: P1, parser2: P2) -> impl Parser<'a, R1>
[INFO] [stdout] | ^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `right` is never used
[INFO] [stdout] --> src/main.rs:138:4
[INFO] [stdout] |
[INFO] [stdout] 138 | fn right<'a, P1, P2, R1, R2>(parser1: P1, parser2: P2) -> impl Parser<'a, R2>
[INFO] [stdout] | ^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `zero_or_more` is never used
[INFO] [stdout] --> src/main.rs:146:4
[INFO] [stdout] |
[INFO] [stdout] 146 | fn zero_or_more<'a, P, A>(parser: P) -> impl Parser<'a, Vec>
[INFO] [stdout] | ^^^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `one_or_more` is never used
[INFO] [stdout] --> src/main.rs:161:4
[INFO] [stdout] |
[INFO] [stdout] 161 | fn one_or_more<'a, P, A>(parser: P) -> impl Parser<'a, Vec>
[INFO] [stdout] | ^^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `any_char` is never used
[INFO] [stdout] --> src/main.rs:184:4
[INFO] [stdout] |
[INFO] [stdout] 184 | fn any_char(input: &str) -> ParseResult (parser: P) -> Self
[INFO] [stdout] | ^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `identifier` is never used
[INFO] [stdout] --> src/main.rs:74:4
[INFO] [stdout] |
[INFO] [stdout] 74 | fn identifier(input: &str) -> Result<(&str, String), &str> {
[INFO] [stdout] | ^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `map` is never used
[INFO] [stdout] --> src/main.rs:106:4
[INFO] [stdout] |
[INFO] [stdout] 106 | fn map<'a, P, F, A, B>(parser: P, map_fn: F) -> impl Parser<'a, B>
[INFO] [stdout] | ^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `pair` is never used
[INFO] [stdout] --> src/main.rs:116:4
[INFO] [stdout] |
[INFO] [stdout] 116 | fn pair<'a, P1, P2, R1, R2>(parser1: P1, parser2: P2) -> impl Parser<'a, (R1, R2)>
[INFO] [stdout] | ^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `left` is never used
[INFO] [stdout] --> src/main.rs:130:4
[INFO] [stdout] |
[INFO] [stdout] 130 | fn left<'a, P1, P2, R1, R2>(parser1: P1, parser2: P2) -> impl Parser<'a, R1>
[INFO] [stdout] | ^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `right` is never used
[INFO] [stdout] --> src/main.rs:138:4
[INFO] [stdout] |
[INFO] [stdout] 138 | fn right<'a, P1, P2, R1, R2>(parser1: P1, parser2: P2) -> impl Parser<'a, R2>
[INFO] [stdout] | ^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `zero_or_more` is never used
[INFO] [stdout] --> src/main.rs:146:4
[INFO] [stdout] |
[INFO] [stdout] 146 | fn zero_or_more<'a, P, A>(parser: P) -> impl Parser<'a, Vec>
[INFO] [stdout] | ^^^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `one_or_more` is never used
[INFO] [stdout] --> src/main.rs:161:4
[INFO] [stdout] |
[INFO] [stdout] 161 | fn one_or_more<'a, P, A>(parser: P) -> impl Parser<'a, Vec>
[INFO] [stdout] | ^^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `any_char` is never used
[INFO] [stdout] --> src/main.rs:184:4
[INFO] [stdout] |
[INFO] [stdout] 184 | fn any_char(input: &str) -> ParseResult (parser: P) -> Self
[INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 54 | parser: Box::new(parser),
[INFO] [stdout] | ^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = warning: this changes meaning in Rust 2024
[INFO] [stdout] = note: for more information, see issue #123739 (parser: P) -> Self
[INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 54 | parser: Box::new(parser),
[INFO] [stdout] | ^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = warning: this changes meaning in Rust 2024
[INFO] [stdout] = note: for more information, see issue #123739