[INFO] cloning repository https://github.com/farahfinn/learning-nom [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/farahfinn/learning-nom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffarahfinn%2Flearning-nom", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffarahfinn%2Flearning-nom'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d1207d6bab4df26444d8ccbe5c16a703907aafb9 [INFO] checking farahfinn/learning-nom against try#b98202ad067d72e45cec8be3d5c15d86ef0fd086 for pr-155193 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffarahfinn%2Flearning-nom" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/farahfinn/learning-nom [INFO] finished tweaking git repo https://github.com/farahfinn/learning-nom [INFO] tweaked toml for git repo https://github.com/farahfinn/learning-nom written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/farahfinn/learning-nom on toolchain b98202ad067d72e45cec8be3d5c15d86ef0fd086 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/farahfinn/learning-nom 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" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2753da0d2ea242ecb234cda84bbff32205f0b1c29a43bebfc073db16e8a7b138 [INFO] running `Command { std: "docker" "start" "-a" "2753da0d2ea242ecb234cda84bbff32205f0b1c29a43bebfc073db16e8a7b138", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2753da0d2ea242ecb234cda84bbff32205f0b1c29a43bebfc073db16e8a7b138", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2753da0d2ea242ecb234cda84bbff32205f0b1c29a43bebfc073db16e8a7b138", kill_on_drop: false }` [INFO] [stdout] 2753da0d2ea242ecb234cda84bbff32205f0b1c29a43bebfc073db16e8a7b138 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78f5b2e2cb68f5f7f80499e30caf3130b0f4d3ee7a2ca957efd0434d373d33fb [INFO] running `Command { std: "docker" "start" "-a" "78f5b2e2cb68f5f7f80499e30caf3130b0f4d3ee7a2ca957efd0434d373d33fb", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking learning-nom v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `ErrorKind` and `ParseError` [INFO] [stdout] --> src/main.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | error::{ErrorKind, ParseError}, [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ErrorKind` and `ParseError` [INFO] [stdout] --> src/main.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | error::{ErrorKind, ParseError}, [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name`, `age`, and `language` are never read [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | struct Person<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 12 | name: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] 13 | age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] 14 | language: &'a str, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:41:24 [INFO] [stdout] | [INFO] [stdout] 41 | fn parse_person(input: &str) -> IResult<&str, Person> { [INFO] [stdout] | ^^^^ ^^^^ ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 41 | fn parse_person(input: &str) -> IResult<&str, Person<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name`, `age`, and `language` are never read [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | struct Person<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 12 | name: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] 13 | age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] 14 | language: &'a str, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:41:24 [INFO] [stdout] | [INFO] [stdout] 41 | fn parse_person(input: &str) -> IResult<&str, Person> { [INFO] [stdout] | ^^^^ ^^^^ ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 41 | fn parse_person(input: &str) -> IResult<&str, Person<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 73 | / dbg!(parse_person( [INFO] [stdout] 74 | | "Hello, my name is Farah and I am 30 years old and I like rust." [INFO] [stdout] 75 | | )); [INFO] [stdout] | |______^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = dbg!(parse_person( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | / dbg!(parse_person( [INFO] [stdout] 77 | | "Hello, my name is Finn and I like python and I am 40 years old." [INFO] [stdout] 78 | | )); [INFO] [stdout] | |______^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = dbg!(parse_person( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:80:5 [INFO] [stdout] | [INFO] [stdout] 80 | dbg!(parser("begining middle end.")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 80 | let _ = dbg!(parser("begining middle end.")); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 73 | / dbg!(parse_person( [INFO] [stdout] 74 | | "Hello, my name is Farah and I am 30 years old and I like rust." [INFO] [stdout] 75 | | )); [INFO] [stdout] | |______^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = dbg!(parse_person( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | / dbg!(parse_person( [INFO] [stdout] 77 | | "Hello, my name is Finn and I like python and I am 40 years old." [INFO] [stdout] 78 | | )); [INFO] [stdout] | |______^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = dbg!(parse_person( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:80:5 [INFO] [stdout] | [INFO] [stdout] 80 | dbg!(parser("begining middle end.")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 80 | let _ = dbg!(parser("begining middle end.")); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.58s [INFO] running `Command { std: "docker" "inspect" "78f5b2e2cb68f5f7f80499e30caf3130b0f4d3ee7a2ca957efd0434d373d33fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78f5b2e2cb68f5f7f80499e30caf3130b0f4d3ee7a2ca957efd0434d373d33fb", kill_on_drop: false }` [INFO] [stdout] 78f5b2e2cb68f5f7f80499e30caf3130b0f4d3ee7a2ca957efd0434d373d33fb