[INFO] updating cached repository https://github.com/modeverv/fistRust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c765ac8acb46eeb4f16615c30403e35bb5e915d3 [INFO] checking modeverv/fistRust against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodeverv%2FfistRust" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/modeverv/fistRust on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/modeverv/fistRust [INFO] finished tweaking git repo https://github.com/modeverv/fistRust [INFO] tweaked toml for git repo https://github.com/modeverv/fistRust written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/modeverv/fistRust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] db28f86406858f00f944822dd879b0233382e00e8e9836991b6ebb6a0147fa50 [INFO] running `"docker" "start" "-a" "db28f86406858f00f944822dd879b0233382e00e8e9836991b6ebb6a0147fa50"` [INFO] [stderr] Checking firstRust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `v1` [INFO] [stderr] --> src/main.rs:114:10 [INFO] [stderr] | [INFO] [stderr] 114 | let (v1, v2, answer) = foo(v1, v2); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_v1` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v2` [INFO] [stderr] --> src/main.rs:114:14 [INFO] [stderr] | [INFO] [stderr] 114 | let (v1, v2, answer) = foo(v1, v2); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_v2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/main.rs:130:9 [INFO] [stderr] | [INFO] [stderr] 130 | fn foo2(v: &Vec) -> i32 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/main.rs:163:13 [INFO] [stderr] | [INFO] [stderr] 163 | let mut y = &mut x; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y1` [INFO] [stderr] --> src/main.rs:169:9 [INFO] [stderr] | [INFO] [stderr] 169 | let y1 = x1.clone(); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_y1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y2` [INFO] [stderr] --> src/main.rs:172:9 [INFO] [stderr] | [INFO] [stderr] 172 | let y2 = x2.borrow_mut(); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_y2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `black` [INFO] [stderr] --> src/main.rs:193:9 [INFO] [stderr] | [INFO] [stderr] 193 | let black = Color(0,0,0); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_black` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `m` [INFO] [stderr] --> src/main.rs:210:9 [INFO] [stderr] | [INFO] [stderr] 210 | let m = Message::Write("Hello world".to_string()); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:214:9 [INFO] [stderr] | [INFO] [stderr] 214 | for x in v1 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:234:17 [INFO] [stderr] | [INFO] [stderr] 234 | fn change_color(x:i32,y:i32,z:i32){} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/main.rs:234:23 [INFO] [stderr] | [INFO] [stderr] 234 | fn change_color(x:i32,y:i32,z:i32){} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `z` [INFO] [stderr] --> src/main.rs:234:29 [INFO] [stderr] | [INFO] [stderr] 234 | fn change_color(x:i32,y:i32,z:i32){} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:235:16 [INFO] [stderr] | [INFO] [stderr] 235 | fn move_cursor(x:i32,y:i32){} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/main.rs:235:22 [INFO] [stderr] | [INFO] [stderr] 235 | fn move_cursor(x:i32,y:i32){} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:237:9 [INFO] [stderr] | [INFO] [stderr] 237 | let x = 1; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/main.rs:238:9 [INFO] [stderr] | [INFO] [stderr] 238 | let y = 2; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r` [INFO] [stderr] --> src/main.rs:239:9 [INFO] [stderr] | [INFO] [stderr] 239 | let r = 3; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `g` [INFO] [stderr] --> src/main.rs:240:9 [INFO] [stderr] | [INFO] [stderr] 240 | let g = 4; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/main.rs:241:9 [INFO] [stderr] | [INFO] [stderr] 241 | let b = 5; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:163:13 [INFO] [stderr] | [INFO] [stderr] 163 | let mut y = &mut x; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:190:9 [INFO] [stderr] | [INFO] [stderr] 190 | let mut p2 = Point { y: 1, ..point }; [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Quit` [INFO] [stderr] --> src/main.rs:203:5 [INFO] [stderr] | [INFO] [stderr] 203 | Quit, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ChangeColor` [INFO] [stderr] --> src/main.rs:204:5 [INFO] [stderr] | [INFO] [stderr] 204 | ChangeColor(i32, i32, i32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Move` [INFO] [stderr] --> src/main.rs:205:5 [INFO] [stderr] | [INFO] [stderr] 205 | Move { x: i32, y: i32 }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Missing` [INFO] [stderr] --> src/main.rs:253:5 [INFO] [stderr] | [INFO] [stderr] 253 | Missing, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `x` [INFO] [stderr] --> src/main.rs:279:5 [INFO] [stderr] | [INFO] [stderr] 279 | x: f64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `y` [INFO] [stderr] --> src/main.rs:280:5 [INFO] [stderr] | [INFO] [stderr] 280 | y: f64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: crate `firstRust` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `first_rust` [INFO] [stderr] [INFO] [stderr] warning: the `x:` in this pattern is redundant [INFO] [stderr] --> src/main.rs:245:24 [INFO] [stderr] | [INFO] [stderr] 245 | Message::Move {x:x,y:y} => move_cursor(x,y), [INFO] [stderr] | ^^^ help: use shorthand field pattern: `x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_shorthand_field_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the `y:` in this pattern is redundant [INFO] [stderr] --> src/main.rs:245:28 [INFO] [stderr] | [INFO] [stderr] 245 | Message::Move {x:x,y:y} => move_cursor(x,y), [INFO] [stderr] | ^^^ help: use shorthand field pattern: `y` [INFO] [stderr] [INFO] [stderr] warning: 30 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v1` [INFO] [stderr] --> src/main.rs:114:10 [INFO] [stderr] | [INFO] [stderr] 114 | let (v1, v2, answer) = foo(v1, v2); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_v1` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v2` [INFO] [stderr] --> src/main.rs:114:14 [INFO] [stderr] | [INFO] [stderr] 114 | let (v1, v2, answer) = foo(v1, v2); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_v2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/main.rs:130:9 [INFO] [stderr] | [INFO] [stderr] 130 | fn foo2(v: &Vec) -> i32 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/main.rs:163:13 [INFO] [stderr] | [INFO] [stderr] 163 | let mut y = &mut x; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y1` [INFO] [stderr] --> src/main.rs:169:9 [INFO] [stderr] | [INFO] [stderr] 169 | let y1 = x1.clone(); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_y1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y2` [INFO] [stderr] --> src/main.rs:172:9 [INFO] [stderr] | [INFO] [stderr] 172 | let y2 = x2.borrow_mut(); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_y2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `black` [INFO] [stderr] --> src/main.rs:193:9 [INFO] [stderr] | [INFO] [stderr] 193 | let black = Color(0,0,0); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_black` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `m` [INFO] [stderr] --> src/main.rs:210:9 [INFO] [stderr] | [INFO] [stderr] 210 | let m = Message::Write("Hello world".to_string()); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:214:9 [INFO] [stderr] | [INFO] [stderr] 214 | for x in v1 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:234:17 [INFO] [stderr] | [INFO] [stderr] 234 | fn change_color(x:i32,y:i32,z:i32){} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/main.rs:234:23 [INFO] [stderr] | [INFO] [stderr] 234 | fn change_color(x:i32,y:i32,z:i32){} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `z` [INFO] [stderr] --> src/main.rs:234:29 [INFO] [stderr] | [INFO] [stderr] 234 | fn change_color(x:i32,y:i32,z:i32){} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:235:16 [INFO] [stderr] | [INFO] [stderr] 235 | fn move_cursor(x:i32,y:i32){} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/main.rs:235:22 [INFO] [stderr] | [INFO] [stderr] 235 | fn move_cursor(x:i32,y:i32){} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:237:9 [INFO] [stderr] | [INFO] [stderr] 237 | let x = 1; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/main.rs:238:9 [INFO] [stderr] | [INFO] [stderr] 238 | let y = 2; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r` [INFO] [stderr] --> src/main.rs:239:9 [INFO] [stderr] | [INFO] [stderr] 239 | let r = 3; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `g` [INFO] [stderr] --> src/main.rs:240:9 [INFO] [stderr] | [INFO] [stderr] 240 | let g = 4; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/main.rs:241:9 [INFO] [stderr] | [INFO] [stderr] 241 | let b = 5; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:163:13 [INFO] [stderr] | [INFO] [stderr] 163 | let mut y = &mut x; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:190:9 [INFO] [stderr] | [INFO] [stderr] 190 | let mut p2 = Point { y: 1, ..point }; [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Quit` [INFO] [stderr] --> src/main.rs:203:5 [INFO] [stderr] | [INFO] [stderr] 203 | Quit, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ChangeColor` [INFO] [stderr] --> src/main.rs:204:5 [INFO] [stderr] | [INFO] [stderr] 204 | ChangeColor(i32, i32, i32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Move` [INFO] [stderr] --> src/main.rs:205:5 [INFO] [stderr] | [INFO] [stderr] 205 | Move { x: i32, y: i32 }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Missing` [INFO] [stderr] --> src/main.rs:253:5 [INFO] [stderr] | [INFO] [stderr] 253 | Missing, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `x` [INFO] [stderr] --> src/main.rs:279:5 [INFO] [stderr] | [INFO] [stderr] 279 | x: f64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `y` [INFO] [stderr] --> src/main.rs:280:5 [INFO] [stderr] | [INFO] [stderr] 280 | y: f64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: crate `firstRust` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `first_rust` [INFO] [stderr] [INFO] [stderr] warning: the `x:` in this pattern is redundant [INFO] [stderr] --> src/main.rs:245:24 [INFO] [stderr] | [INFO] [stderr] 245 | Message::Move {x:x,y:y} => move_cursor(x,y), [INFO] [stderr] | ^^^ help: use shorthand field pattern: `x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_shorthand_field_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the `y:` in this pattern is redundant [INFO] [stderr] --> src/main.rs:245:28 [INFO] [stderr] | [INFO] [stderr] 245 | Message::Move {x:x,y:y} => move_cursor(x,y), [INFO] [stderr] | ^^^ help: use shorthand field pattern: `y` [INFO] [stderr] [INFO] [stderr] warning: 30 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `"docker" "inspect" "db28f86406858f00f944822dd879b0233382e00e8e9836991b6ebb6a0147fa50"` [INFO] running `"docker" "rm" "-f" "db28f86406858f00f944822dd879b0233382e00e8e9836991b6ebb6a0147fa50"` [INFO] [stdout] db28f86406858f00f944822dd879b0233382e00e8e9836991b6ebb6a0147fa50