[INFO] cloning repository https://github.com/zveroboy/exercism-2022 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zveroboy/exercism-2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzveroboy%2Fexercism-2022", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzveroboy%2Fexercism-2022'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 82956abb2c7b083086b562a4f3a31b99bc1ec515 [INFO] checking zveroboy/exercism-2022 against master#613bdd49978298648ed05ace086bd1ecad54b44a for pr-136458 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzveroboy%2Fexercism-2022" "/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/zveroboy/exercism-2022 on toolchain 613bdd49978298648ed05ace086bd1ecad54b44a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zveroboy/exercism-2022 [INFO] finished tweaking git repo https://github.com/zveroboy/exercism-2022 [INFO] tweaked toml for git repo https://github.com/zveroboy/exercism-2022 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/zveroboy/exercism-2022 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" "+613bdd49978298648ed05ace086bd1ecad54b44a" "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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d37c6e9d867d814691e69b508bf779db16cd1a77a1f2b886a104715440518eb [INFO] running `Command { std: "docker" "start" "-a" "5d37c6e9d867d814691e69b508bf779db16cd1a77a1f2b886a104715440518eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d37c6e9d867d814691e69b508bf779db16cd1a77a1f2b886a104715440518eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d37c6e9d867d814691e69b508bf779db16cd1a77a1f2b886a104715440518eb", kill_on_drop: false }` [INFO] [stdout] 5d37c6e9d867d814691e69b508bf779db16cd1a77a1f2b886a104715440518eb [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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 309e8645f845f27ed112fc70f8c90750c7a46e66a284fc919ba5a0d5debdbeef [INFO] running `Command { std: "docker" "start" "-a" "309e8645f845f27ed112fc70f8c90750c7a46e66a284fc919ba5a0d5debdbeef", kill_on_drop: false }` [INFO] [stderr] Checking time-core v0.1.0 [INFO] [stderr] Checking unicode-segmentation v1.10.1 [INFO] [stderr] Checking time v0.3.20 [INFO] [stderr] Checking exercism_2022 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/exercises/parallel_letter_frequency.rs:47:66 [INFO] [stdout] | [INFO] [stdout] 47 | fn split<'a>(input: &'a [&'a str], len: usize) -> Chunks<'a, &str> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/exercises/parallel_letter_frequency.rs:183:66 [INFO] [stdout] | [INFO] [stdout] 183 | fn split<'a>(input: &'a [&'a str], len: usize) -> Chunks<'a, &str> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `add-a-variant` [INFO] [stdout] --> src/exercises/semi_structured_logs.rs:72:7 [INFO] [stdout] | [INFO] [stdout] 72 | #[cfg(feature = "add-a-variant")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `grapheme` [INFO] [stdout] = help: consider adding `add-a-variant` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/exercises/parallel_letter_frequency.rs:47:66 [INFO] [stdout] | [INFO] [stdout] 47 | fn split<'a>(input: &'a [&'a str], len: usize) -> Chunks<'a, &str> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/exercises/parallel_letter_frequency.rs:183:66 [INFO] [stdout] | [INFO] [stdout] 183 | fn split<'a>(input: &'a [&'a str], len: usize) -> Chunks<'a, &str> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `add-a-variant` [INFO] [stdout] --> src/exercises/semi_structured_logs.rs:72:7 [INFO] [stdout] | [INFO] [stdout] 72 | #[cfg(feature = "add-a-variant")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `grapheme` [INFO] [stdout] = help: consider adding `add-a-variant` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `align_of`, `borrow::BorrowMut`, and `size_of` [INFO] [stdout] --> tests/parallel_letter_frequency.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{borrow::BorrowMut, collections::HashMap, mem::{size_of, align_of}, rc::Rc}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ ^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `S1` should have a snake case name [INFO] [stdout] --> tests/parallel_letter_frequency.rs:171:9 [INFO] [stdout] | [INFO] [stdout] 171 | let S1 = String::from("bbb"); [INFO] [stdout] | ^^ help: convert the identifier to snake case (notice the capitalization): `s1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Rc1` should have a snake case name [INFO] [stdout] --> tests/parallel_letter_frequency.rs:176:9 [INFO] [stdout] | [INFO] [stdout] 176 | let Rc1 = Rc::new(String::from("ccc")); [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `rc1` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.92s [INFO] running `Command { std: "docker" "inspect" "309e8645f845f27ed112fc70f8c90750c7a46e66a284fc919ba5a0d5debdbeef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "309e8645f845f27ed112fc70f8c90750c7a46e66a284fc919ba5a0d5debdbeef", kill_on_drop: false }` [INFO] [stdout] 309e8645f845f27ed112fc70f8c90750c7a46e66a284fc919ba5a0d5debdbeef