[INFO] cloning repository https://github.com/chaseklake/enumerator.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chaseklake/enumerator.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchaseklake%2Fenumerator.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchaseklake%2Fenumerator.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8801aa0347bd435696d5524bd1ff746e148acc1e [INFO] checking chaseklake/enumerator.rs against try#969026c535f4240ff7866ef11207dfda18a26af6 for pr-146504 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchaseklake%2Fenumerator.rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/chaseklake/enumerator.rs [INFO] finished tweaking git repo https://github.com/chaseklake/enumerator.rs [INFO] tweaked toml for git repo https://github.com/chaseklake/enumerator.rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/chaseklake/enumerator.rs on toolchain 969026c535f4240ff7866ef11207dfda18a26af6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+969026c535f4240ff7866ef11207dfda18a26af6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/chaseklake/enumerator.rs 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" "+969026c535f4240ff7866ef11207dfda18a26af6" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+969026c535f4240ff7866ef11207dfda18a26af6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a3faa76f6d0eabd13b7145cbaccaeedb39503a7221acd7f2b815e574f7211689 [INFO] running `Command { std: "docker" "start" "-a" "a3faa76f6d0eabd13b7145cbaccaeedb39503a7221acd7f2b815e574f7211689", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a3faa76f6d0eabd13b7145cbaccaeedb39503a7221acd7f2b815e574f7211689", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3faa76f6d0eabd13b7145cbaccaeedb39503a7221acd7f2b815e574f7211689", kill_on_drop: false }` [INFO] [stdout] a3faa76f6d0eabd13b7145cbaccaeedb39503a7221acd7f2b815e574f7211689 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+969026c535f4240ff7866ef11207dfda18a26af6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2da8f38bad70f8daad320d12b3a07f7e45615016d741159bacee0a178ecf4574 [INFO] running `Command { std: "docker" "start" "-a" "2da8f38bad70f8daad320d12b3a07f7e45615016d741159bacee0a178ecf4574", kill_on_drop: false }` [INFO] [stderr] Checking enumerator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `some_number` [INFO] [stdout] --> src/main.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let some_number = Some(5); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_number` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `some_char` [INFO] [stdout] --> src/main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let some_char = Some('e'); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_char` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `absent_number` [INFO] [stdout] --> src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let absent_number: Option = None; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_absent_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `some_number` [INFO] [stdout] --> src/main.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let some_number = Some(5); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_number` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num1` [INFO] [stdout] --> src/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let num1: i32 = 5; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_num1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `some_char` [INFO] [stdout] --> src/main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let some_char = Some('e'); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_char` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `absent_number` [INFO] [stdout] --> src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let absent_number: Option = None; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_absent_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num1` [INFO] [stdout] --> src/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let num1: i32 = 5; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_num1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> src/main.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | V4(u8, u8, u8, u8), // The "(u8...)" tells us we can hold four u8 values [INFO] [stdout] | -- ^^ ^^ ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 5 - V4(u8, u8, u8, u8), // The "(u8...)" tells us we can hold four u8 values [INFO] [stdout] 5 + V4((), (), (), ()), // The "(u8...)" tells us we can hold four u8 values [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | V6(String), // This acts like an "V6" constructor with a String parameter [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 - V6(String), // This acts like an "V6" constructor with a String parameter [INFO] [stdout] 6 + V6(()), // This acts like an "V6" constructor with a String parameter [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> src/main.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | V4(u8, u8, u8, u8), // The "(u8...)" tells us we can hold four u8 values [INFO] [stdout] | -- ^^ ^^ ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 5 - V4(u8, u8, u8, u8), // The "(u8...)" tells us we can hold four u8 values [INFO] [stdout] 5 + V4((), (), (), ()), // The "(u8...)" tells us we can hold four u8 values [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | V6(String), // This acts like an "V6" constructor with a String parameter [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 - V6(String), // This acts like an "V6" constructor with a String parameter [INFO] [stdout] 6 + V6(()), // This acts like an "V6" constructor with a String parameter [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:50:11 [INFO] [stdout] | [INFO] [stdout] 50 | Write(String), // a single string [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 50 - Write(String), // a single string [INFO] [stdout] 50 + Write(()), // a single string [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Quit`, `Move`, and `ChangeColor` are never constructed [INFO] [stdout] --> src/main.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 47 | enum Message { // Here are four "struct-like" variants grouped into one "Message" enum [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 48 | Quit, // no associated data [INFO] [stdout] | ^^^^ [INFO] [stdout] 49 | Move { x: i32, y: i32 }, // two named fields, like a struct [INFO] [stdout] | ^^^^ [INFO] [stdout] 50 | Write(String), // a single string [INFO] [stdout] 51 | ChangeColor(i32, i32, i32), // three i32 values [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:50:11 [INFO] [stdout] | [INFO] [stdout] 50 | Write(String), // a single string [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 50 - Write(String), // a single string [INFO] [stdout] 50 + Write(()), // a single string [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Quit`, `Move`, and `ChangeColor` are never constructed [INFO] [stdout] --> src/main.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 47 | enum Message { // Here are four "struct-like" variants grouped into one "Message" enum [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 48 | Quit, // no associated data [INFO] [stdout] | ^^^^ [INFO] [stdout] 49 | Move { x: i32, y: i32 }, // two named fields, like a struct [INFO] [stdout] | ^^^^ [INFO] [stdout] 50 | Write(String), // a single string [INFO] [stdout] 51 | ChangeColor(i32, i32, i32), // three i32 values [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] running `Command { std: "docker" "inspect" "2da8f38bad70f8daad320d12b3a07f7e45615016d741159bacee0a178ecf4574", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2da8f38bad70f8daad320d12b3a07f7e45615016d741159bacee0a178ecf4574", kill_on_drop: false }` [INFO] [stdout] 2da8f38bad70f8daad320d12b3a07f7e45615016d741159bacee0a178ecf4574