[INFO] cloning repository https://github.com/xiaolitongxue666/different_type_closures [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xiaolitongxue666/different_type_closures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaolitongxue666%2Fdifferent_type_closures", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaolitongxue666%2Fdifferent_type_closures'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6c740f9f1ed59164f25d28b0b594d5cd4fc40533 [INFO] checking xiaolitongxue666/different_type_closures against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaolitongxue666%2Fdifferent_type_closures" "/workspace/builds/worker-88/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xiaolitongxue666/different_type_closures on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xiaolitongxue666/different_type_closures [INFO] finished tweaking git repo https://github.com/xiaolitongxue666/different_type_closures [INFO] tweaked toml for git repo https://github.com/xiaolitongxue666/different_type_closures written to /workspace/builds/worker-88/source/Cargo.toml [INFO] crate git repo https://github.com/xiaolitongxue666/different_type_closures already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a45c65740c2a3a2e9a1a7d7697ad775b9cfc19339a85401fb581ec50d0f0e6d5 [INFO] running `Command { std: "docker" "start" "-a" "a45c65740c2a3a2e9a1a7d7697ad775b9cfc19339a85401fb581ec50d0f0e6d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a45c65740c2a3a2e9a1a7d7697ad775b9cfc19339a85401fb581ec50d0f0e6d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a45c65740c2a3a2e9a1a7d7697ad775b9cfc19339a85401fb581ec50d0f0e6d5", kill_on_drop: false }` [INFO] [stdout] a45c65740c2a3a2e9a1a7d7697ad775b9cfc19339a85401fb581ec50d0f0e6d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 35ee172331cec1495fcbd58795b0f2abe7b8d669747bf5c65ddfd09e1733f205 [INFO] running `Command { std: "docker" "start" "-a" "35ee172331cec1495fcbd58795b0f2abe7b8d669747bf5c65ddfd09e1733f205", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking different_type_closures v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `MyStruct` [INFO] [stdout] --> src/main.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct MyStruct { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | fn new (text: &'static str, number: u32) -> MyStruct { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_number` [INFO] [stdout] --> src/main.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | fn get_number(&self)-> u32{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `inc_number` [INFO] [stdout] --> src/main.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | fn inc_number (&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `destructor` [INFO] [stdout] --> src/main.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | fn destructor (self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_fn` [INFO] [stdout] --> src/main.rs:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | fn is_fn (_x: fn(A) -> R) {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_Fn` [INFO] [stdout] --> src/main.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn is_Fn R> (_x: &F) {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_FnMut` [INFO] [stdout] --> src/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn is_FnMut R> (_x: &F) {} fn is_FnOnce R> (_x: &F) {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_FnOnce` [INFO] [stdout] --> src/main.rs:27:53 [INFO] [stdout] | [INFO] [stdout] 27 | fn is_FnMut R> (_x: &F) {} fn is_FnOnce R> (_x: &F) {} [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_Fn` should have a snake case name [INFO] [stdout] --> src/main.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn is_Fn R> (_x: &F) {} [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case (notice the capitalization): `is_fn` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_FnMut` should have a snake case name [INFO] [stdout] --> src/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn is_FnMut R> (_x: &F) {} fn is_FnOnce R> (_x: &F) {} [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `is_fn_mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_FnOnce` should have a snake case name [INFO] [stdout] --> src/main.rs:27:53 [INFO] [stdout] | [INFO] [stdout] 27 | fn is_FnMut R> (_x: &F) {} fn is_FnOnce R> (_x: &F) {} [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `is_fn_once` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_Fn` should have a snake case name [INFO] [stdout] --> src/main.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn is_Fn R> (_x: &F) {} [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case (notice the capitalization): `is_fn` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_FnMut` should have a snake case name [INFO] [stdout] --> src/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn is_FnMut R> (_x: &F) {} fn is_FnOnce R> (_x: &F) {} [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `is_fn_mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_FnOnce` should have a snake case name [INFO] [stdout] --> src/main.rs:27:53 [INFO] [stdout] | [INFO] [stdout] 27 | fn is_FnMut R> (_x: &F) {} fn is_FnOnce R> (_x: &F) {} [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `is_fn_once` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `Command { std: "docker" "inspect" "35ee172331cec1495fcbd58795b0f2abe7b8d669747bf5c65ddfd09e1733f205", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35ee172331cec1495fcbd58795b0f2abe7b8d669747bf5c65ddfd09e1733f205", kill_on_drop: false }` [INFO] [stdout] 35ee172331cec1495fcbd58795b0f2abe7b8d669747bf5c65ddfd09e1733f205