[INFO] cloning repository https://github.com/pr0n1x/intl-svc-test-task
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pr0n1x/intl-svc-test-task" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpr0n1x%2Fintl-svc-test-task", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpr0n1x%2Fintl-svc-test-task'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80e0754ffb1aa7ba163c6391e166ff178d6ce3da
[INFO] checking pr0n1x/intl-svc-test-task against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpr0n1x%2Fintl-svc-test-task" "/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/pr0n1x/intl-svc-test-task
[INFO] finished tweaking git repo https://github.com/pr0n1x/intl-svc-test-task
[INFO] tweaked toml for git repo https://github.com/pr0n1x/intl-svc-test-task written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pr0n1x/intl-svc-test-task on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pr0n1x/intl-svc-test-task 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" "+52995a223f2919dd3e2e427231db90a257350ded" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 14b667487ddefb9675b18f205e2bf58188c8dd5a570400e7f067f847c89f1eea
[INFO] running `Command { std: "docker" "start" "14b667487ddefb9675b18f205e2bf58188c8dd5a570400e7f067f847c89f1eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14b667487ddefb9675b18f205e2bf58188c8dd5a570400e7f067f847c89f1eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "14b667487ddefb9675b18f205e2bf58188c8dd5a570400e7f067f847c89f1eea" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14b667487ddefb9675b18f205e2bf58188c8dd5a570400e7f067f847c89f1eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "14b667487ddefb9675b18f205e2bf58188c8dd5a570400e7f067f847c89f1eea" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking writeable v0.5.5
[INFO] [stderr]     Checking litemap v0.7.3
[INFO] [stderr]     Checking icu_locid_transform_data v1.5.0
[INFO] [stderr]     Checking icu_properties_data v1.5.0
[INFO] [stderr]     Checking write16 v1.0.0
[INFO] [stderr]     Checking icu_normalizer_data v1.5.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking utf16_iter v1.0.5
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling zerofrom-derive v0.1.4
[INFO] [stderr]    Compiling yoke-derive v0.7.4
[INFO] [stderr]     Checking zerofrom v0.1.4
[INFO] [stderr]     Checking yoke v0.7.4
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.3
[INFO] [stderr]     Checking intl-svc-test-task v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `SimplestSlugGenerator` is never constructed
[INFO] [stdout]   --> src/gen.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct SimplestSlugGenerator;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generate` is never used
[INFO] [stdout]   --> src/gen.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl SimplestSlugGenerator {
[INFO] [stdout]    | -------------------------- method in this implementation
[INFO] [stdout] 20 |     fn generate(&self, bump: u16) -> Slug {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Url` is never constructed
[INFO] [stdout]   --> src/base64.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct Url;
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `encode` is never used
[INFO] [stdout]   --> src/base64.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl Url {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 69 |     pub fn encode(data: &[u8]) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]    --> src/string_based_type.rs:27:29
[INFO] [stdout]     |
[INFO] [stdout]   2 | macro_rules! string_based_type {
[INFO] [stdout] ...
[INFO] [stdout]  27 |                 $owned_type(s.into())
[INFO] [stdout]     |                             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:235:1
[INFO] [stdout]     |
[INFO] [stdout] 235 | string_based_type!(Slug exists, SlugRef);
[INFO] [stdout]     | ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<String as Into<String>::into(val) to avoid triggering this lint
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]    --> src/string_based_type.rs:27:29
[INFO] [stdout]     |
[INFO] [stdout]   2 | macro_rules! string_based_type {
[INFO] [stdout] ...
[INFO] [stdout]  27 |                 $owned_type(s.into())
[INFO] [stdout]     |                             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:236:1
[INFO] [stdout]     |
[INFO] [stdout] 236 | string_based_type!(Url exists, UrlRef);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<String as Into<String>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]    --> src/string_based_type.rs:27:29
[INFO] [stdout]     |
[INFO] [stdout]   2 | macro_rules! string_based_type {
[INFO] [stdout] ...
[INFO] [stdout]  27 |                 $owned_type(s.into())
[INFO] [stdout]     |                             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:235:1
[INFO] [stdout]     |
[INFO] [stdout] 235 | string_based_type!(Slug exists, SlugRef);
[INFO] [stdout]     | ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<String as Into<String>::into(val) to avoid triggering this lint
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]    --> src/string_based_type.rs:27:29
[INFO] [stdout]     |
[INFO] [stdout]   2 | macro_rules! string_based_type {
[INFO] [stdout] ...
[INFO] [stdout]  27 |                 $owned_type(s.into())
[INFO] [stdout]     |                             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:236:1
[INFO] [stdout]     |
[INFO] [stdout] 236 | string_based_type!(Url exists, UrlRef);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<String as Into<String>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `intl-svc-test-task` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `intl-svc-test-task` (lib) due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "14b667487ddefb9675b18f205e2bf58188c8dd5a570400e7f067f847c89f1eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b667487ddefb9675b18f205e2bf58188c8dd5a570400e7f067f847c89f1eea", kill_on_drop: false }`
[INFO] [stdout] 14b667487ddefb9675b18f205e2bf58188c8dd5a570400e7f067f847c89f1eea
