[INFO] cloning repository https://github.com/HADMARINE/what-is-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HADMARINE/what-is-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHADMARINE%2Fwhat-is-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHADMARINE%2Fwhat-is-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e949250360a4e6bf88ec4c9f1b77ffd9f919a847 [INFO] checking HADMARINE/what-is-rust against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHADMARINE%2Fwhat-is-rust" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/HADMARINE/what-is-rust on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/HADMARINE/what-is-rust [INFO] finished tweaking git repo https://github.com/HADMARINE/what-is-rust [INFO] tweaked toml for git repo https://github.com/HADMARINE/what-is-rust written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/HADMARINE/what-is-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1605d3159f788563fce941d5a878d443f2fe442c449bfe785c153b18fa9e1469 [INFO] running `Command { std: "docker" "start" "-a" "1605d3159f788563fce941d5a878d443f2fe442c449bfe785c153b18fa9e1469", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1605d3159f788563fce941d5a878d443f2fe442c449bfe785c153b18fa9e1469", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1605d3159f788563fce941d5a878d443f2fe442c449bfe785c153b18fa9e1469", kill_on_drop: false }` [INFO] [stdout] 1605d3159f788563fce941d5a878d443f2fe442c449bfe785c153b18fa9e1469 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15fef88803d7137c7a00c4cfcab2480c2d61364470a58f4e7d9dc76f7d2a7e70 [INFO] running `Command { std: "docker" "start" "-a" "15fef88803d7137c7a00c4cfcab2480c2d61364470a58f4e7d9dc76f7d2a7e70", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking what-is-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:118:6 [INFO] [stdout] | [INFO] [stdout] 118 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:118:6 [INFO] [stdout] | [INFO] [stdout] 118 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:181:9 [INFO] [stdout] | [INFO] [stdout] 181 | let x = 5; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hello` [INFO] [stdout] --> src/main.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn hello() -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:181:9 [INFO] [stdout] | [INFO] [stdout] 181 | let x = 5; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hello` [INFO] [stdout] --> src/main.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn hello() -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hello_priv` [INFO] [stdout] --> src/main.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | fn hello_priv() -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_enum` [INFO] [stdout] --> src/main.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn first_enum() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `struct_impl` [INFO] [stdout] --> src/main.rs:83:4 [INFO] [stdout] | [INFO] [stdout] 83 | fn struct_impl() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_tuples` [INFO] [stdout] --> src/main.rs:106:4 [INFO] [stdout] | [INFO] [stdout] 106 | fn first_tuples(dim: (u32, u32)) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_struct` [INFO] [stdout] --> src/main.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | fn first_struct() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `str_ownership_test_1` [INFO] [stdout] --> src/main.rs:146:4 [INFO] [stdout] | [INFO] [stdout] 146 | fn str_ownership_test_1() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `for_loop` [INFO] [stdout] --> src/main.rs:160:4 [INFO] [stdout] | [INFO] [stdout] 160 | fn for_loop() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_ptr_in_rs_fn` [INFO] [stdout] --> src/main.rs:168:4 [INFO] [stdout] | [INFO] [stdout] 168 | fn first_ptr_in_rs_fn(s: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `if__fn` [INFO] [stdout] --> src/main.rs:172:4 [INFO] [stdout] | [INFO] [stdout] 172 | fn if__fn() -> i32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `scope_fn` [INFO] [stdout] --> src/main.rs:180:4 [INFO] [stdout] | [INFO] [stdout] 180 | fn scope_fn() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `array_index_fn` [INFO] [stdout] --> src/main.rs:191:4 [INFO] [stdout] | [INFO] [stdout] 191 | fn array_index_fn() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `tuples_fn` [INFO] [stdout] --> src/main.rs:215:4 [INFO] [stdout] | [INFO] [stdout] 215 | fn tuples_fn() -> [(i32, f64, u8); 3] { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `guess_provider` [INFO] [stdout] --> src/main.rs:220:4 [INFO] [stdout] | [INFO] [stdout] 220 | fn guess_provider() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `range` [INFO] [stdout] --> src/main.rs:228:4 [INFO] [stdout] | [INFO] [stdout] 228 | fn range() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `closure` [INFO] [stdout] --> src/main.rs:234:4 [INFO] [stdout] | [INFO] [stdout] 234 | fn closure(start: i32) -> impl Fn(i32) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ten_times` [INFO] [stdout] --> src/main.rs:243:4 [INFO] [stdout] | [INFO] [stdout] 243 | fn ten_times(f: F) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hello_priv` [INFO] [stdout] --> src/main.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | fn hello_priv() -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_enum` [INFO] [stdout] --> src/main.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn first_enum() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `struct_impl` [INFO] [stdout] --> src/main.rs:83:4 [INFO] [stdout] | [INFO] [stdout] 83 | fn struct_impl() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_tuples` [INFO] [stdout] --> src/main.rs:106:4 [INFO] [stdout] | [INFO] [stdout] 106 | fn first_tuples(dim: (u32, u32)) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_struct` [INFO] [stdout] --> src/main.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | fn first_struct() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `str_ownership_test_1` [INFO] [stdout] --> src/main.rs:146:4 [INFO] [stdout] | [INFO] [stdout] 146 | fn str_ownership_test_1() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `for_loop` [INFO] [stdout] --> src/main.rs:160:4 [INFO] [stdout] | [INFO] [stdout] 160 | fn for_loop() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_ptr_in_rs_fn` [INFO] [stdout] --> src/main.rs:168:4 [INFO] [stdout] | [INFO] [stdout] 168 | fn first_ptr_in_rs_fn(s: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `if__fn` [INFO] [stdout] --> src/main.rs:172:4 [INFO] [stdout] | [INFO] [stdout] 172 | fn if__fn() -> i32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `scope_fn` [INFO] [stdout] --> src/main.rs:180:4 [INFO] [stdout] | [INFO] [stdout] 180 | fn scope_fn() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `array_index_fn` [INFO] [stdout] --> src/main.rs:191:4 [INFO] [stdout] | [INFO] [stdout] 191 | fn array_index_fn() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `tuples_fn` [INFO] [stdout] --> src/main.rs:215:4 [INFO] [stdout] | [INFO] [stdout] 215 | fn tuples_fn() -> [(i32, f64, u8); 3] { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `guess_provider` [INFO] [stdout] --> src/main.rs:220:4 [INFO] [stdout] | [INFO] [stdout] 220 | fn guess_provider() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `range` [INFO] [stdout] --> src/main.rs:228:4 [INFO] [stdout] | [INFO] [stdout] 228 | fn range() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `closure` [INFO] [stdout] --> src/main.rs:234:4 [INFO] [stdout] | [INFO] [stdout] 234 | fn closure(start: i32) -> impl Fn(i32) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ten_times` [INFO] [stdout] --> src/main.rs:243:4 [INFO] [stdout] | [INFO] [stdout] 243 | fn ten_times(f: F) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `guess_fn` [INFO] [stdout] --> src/main.rs:264:4 [INFO] [stdout] | [INFO] [stdout] 264 | fn guess_fn() -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `if__fn` should have a snake case name [INFO] [stdout] --> src/main.rs:172:4 [INFO] [stdout] | [INFO] [stdout] 172 | fn if__fn() -> i32 { [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `if_fn` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `guess_fn` [INFO] [stdout] --> src/main.rs:264:4 [INFO] [stdout] | [INFO] [stdout] 264 | fn guess_fn() -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `if__fn` should have a snake case name [INFO] [stdout] --> src/main.rs:172:4 [INFO] [stdout] | [INFO] [stdout] 172 | fn if__fn() -> i32 { [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `if_fn` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "15fef88803d7137c7a00c4cfcab2480c2d61364470a58f4e7d9dc76f7d2a7e70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15fef88803d7137c7a00c4cfcab2480c2d61364470a58f4e7d9dc76f7d2a7e70", kill_on_drop: false }` [INFO] [stdout] 15fef88803d7137c7a00c4cfcab2480c2d61364470a58f4e7d9dc76f7d2a7e70