[INFO] fetching crate namegen 0.1.4... [INFO] checking namegen-0.1.4 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate namegen 0.1.4 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate namegen 0.1.4 [INFO] finished tweaking crates.io crate namegen 0.1.4 [INFO] tweaked toml for crates.io crate namegen 0.1.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate namegen 0.1.4 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate namegen 0.1.4 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.67 [INFO] [stderr] Downloaded proc-macro2 v1.0.19 [INFO] [stderr] Downloaded ppv-lite86 v0.2.9 [INFO] [stderr] Downloaded getrandom v0.1.14 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.67 [INFO] [stderr] Downloaded serde_derive v1.0.115 [INFO] [stderr] Downloaded serde v1.0.115 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.67 [INFO] [stderr] Downloaded serde_json v1.0.57 [INFO] [stderr] Downloaded wasm-bindgen v0.2.67 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.67 [INFO] [stderr] Downloaded itoa v0.4.6 [INFO] [stderr] Downloaded syn v1.0.39 [INFO] [stderr] Downloaded libc v0.2.76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f1d10a638e8432f89b52014348492cece65b92efae6eeeec62751c5b69a63a43 [INFO] running `Command { std: "docker" "start" "-a" "f1d10a638e8432f89b52014348492cece65b92efae6eeeec62751c5b69a63a43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1d10a638e8432f89b52014348492cece65b92efae6eeeec62751c5b69a63a43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1d10a638e8432f89b52014348492cece65b92efae6eeeec62751c5b69a63a43", kill_on_drop: false }` [INFO] [stdout] f1d10a638e8432f89b52014348492cece65b92efae6eeeec62751c5b69a63a43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 870e0042160e7f67c9d9642de86ec865815b83627c478a12ee971c6657bd2aec [INFO] running `Command { std: "docker" "start" "-a" "870e0042160e7f67c9d9642de86ec865815b83627c478a12ee971c6657bd2aec", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_pcg v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking namegen v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `target` [INFO] [stdout] --> src/sample.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | #[cfg_attr(target = "wasm32-unknown-unknown", wasm_bindgen)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(target, values("wasm32-unknown-unknown"))'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(target, values(\"wasm32-unknown-unknown\"))");` to the top of the `build.rs` [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: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/name.rs:150:21 [INFO] [stdout] | [INFO] [stdout] 150 | pub fn generate(&self, format_name: &str) -> Option> { [INFO] [stdout] | ^^^^^ ----------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 150 | pub fn generate(&self, format_name: &str) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/name.rs:160:26 [INFO] [stdout] | [INFO] [stdout] 160 | pub fn generate_part(&self, part_name: &str) -> Option> { [INFO] [stdout] | ^^^^^ ----------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 160 | pub fn generate_part(&self, part_name: &str) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/name.rs:196:28 [INFO] [stdout] | [INFO] [stdout] 196 | pub fn generate_seeded(&self, seed: u64, format_name: &str) -> Option> { [INFO] [stdout] | ^^^^^ this lifetime flows to the output ----------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 196 | pub fn generate_seeded(&self, seed: u64, format_name: &str) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/name.rs:201:33 [INFO] [stdout] | [INFO] [stdout] 201 | pub fn generate_part_seeded(&self, seed: u64, part_name: &str) -> Option> { [INFO] [stdout] | ^^^^^ this lifetime flows to the output ----------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 201 | pub fn generate_part_seeded(&self, seed: u64, part_name: &str) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/name.rs:206:37 [INFO] [stdout] | [INFO] [stdout] 206 | pub fn generate_with_thread_rng(&self, format_name: &str) -> Option> { [INFO] [stdout] | ^^^^^ ------------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 206 | pub fn generate_with_thread_rng(&self, format_name: &str) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/name.rs:211:42 [INFO] [stdout] | [INFO] [stdout] 211 | pub fn generat_parte_with_thread_rng(&self, part_name: &str) -> Option> { [INFO] [stdout] | ^^^^^ ------------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 211 | pub fn generat_parte_with_thread_rng(&self, part_name: &str) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/name.rs:236:29 [INFO] [stdout] | [INFO] [stdout] 236 | fn generate_with_rng(&self, rng: T, is_part: bool, name: &str) -> Option> where T: Rng { [INFO] [stdout] | ^^^^^ this lifetime flows to the output ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 236 | fn generate_with_rng(&self, rng: T, is_part: bool, name: &str) -> Option> where T: Rng { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `target` [INFO] [stdout] --> src/sample.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | #[cfg_attr(target = "wasm32-unknown-unknown", wasm_bindgen)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(target, values("wasm32-unknown-unknown"))'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(target, values(\"wasm32-unknown-unknown\"))");` to the top of the `build.rs` [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: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/name.rs:150:21 [INFO] [stdout] | [INFO] [stdout] 150 | pub fn generate(&self, format_name: &str) -> Option> { [INFO] [stdout] | ^^^^^ ----------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 150 | pub fn generate(&self, format_name: &str) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/name.rs:160:26 [INFO] [stdout] | [INFO] [stdout] 160 | pub fn generate_part(&self, part_name: &str) -> Option> { [INFO] [stdout] | ^^^^^ ----------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 160 | pub fn generate_part(&self, part_name: &str) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/name.rs:196:28 [INFO] [stdout] | [INFO] [stdout] 196 | pub fn generate_seeded(&self, seed: u64, format_name: &str) -> Option> { [INFO] [stdout] | ^^^^^ this lifetime flows to the output ----------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 196 | pub fn generate_seeded(&self, seed: u64, format_name: &str) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/name.rs:201:33 [INFO] [stdout] | [INFO] [stdout] 201 | pub fn generate_part_seeded(&self, seed: u64, part_name: &str) -> Option> { [INFO] [stdout] | ^^^^^ this lifetime flows to the output ----------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 201 | pub fn generate_part_seeded(&self, seed: u64, part_name: &str) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/name.rs:206:37 [INFO] [stdout] | [INFO] [stdout] 206 | pub fn generate_with_thread_rng(&self, format_name: &str) -> Option> { [INFO] [stdout] | ^^^^^ ------------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 206 | pub fn generate_with_thread_rng(&self, format_name: &str) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/name.rs:211:42 [INFO] [stdout] | [INFO] [stdout] 211 | pub fn generat_parte_with_thread_rng(&self, part_name: &str) -> Option> { [INFO] [stdout] | ^^^^^ ------------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 211 | pub fn generat_parte_with_thread_rng(&self, part_name: &str) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/name.rs:236:29 [INFO] [stdout] | [INFO] [stdout] 236 | fn generate_with_rng(&self, rng: T, is_part: bool, name: &str) -> Option> where T: Rng { [INFO] [stdout] | ^^^^^ this lifetime flows to the output ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 236 | fn generate_with_rng(&self, rng: T, is_part: bool, name: &str) -> Option> where T: Rng { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.72s [INFO] running `Command { std: "docker" "inspect" "870e0042160e7f67c9d9642de86ec865815b83627c478a12ee971c6657bd2aec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "870e0042160e7f67c9d9642de86ec865815b83627c478a12ee971c6657bd2aec", kill_on_drop: false }` [INFO] [stdout] 870e0042160e7f67c9d9642de86ec865815b83627c478a12ee971c6657bd2aec