[INFO] cloning repository https://github.com/Ndeta100/advanced_features_in_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ndeta100/advanced_features_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNdeta100%2Fadvanced_features_in_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNdeta100%2Fadvanced_features_in_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8f159d32cdb7b5554502ebd6903937988f18bbdb [INFO] checking Ndeta100/advanced_features_in_rust against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNdeta100%2Fadvanced_features_in_rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Ndeta100/advanced_features_in_rust on toolchain 5518eaa946291f00471af8b254b2a1715f234882 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Ndeta100/advanced_features_in_rust [INFO] finished tweaking git repo https://github.com/Ndeta100/advanced_features_in_rust [INFO] tweaked toml for git repo https://github.com/Ndeta100/advanced_features_in_rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Ndeta100/advanced_features_in_rust 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 04bf486596a4f7f519ebdd92ef662d644d00c84e387aa13770a7aa0757b3df64 [INFO] running `Command { std: "docker" "start" "-a" "04bf486596a4f7f519ebdd92ef662d644d00c84e387aa13770a7aa0757b3df64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04bf486596a4f7f519ebdd92ef662d644d00c84e387aa13770a7aa0757b3df64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04bf486596a4f7f519ebdd92ef662d644d00c84e387aa13770a7aa0757b3df64", kill_on_drop: false }` [INFO] [stdout] 04bf486596a4f7f519ebdd92ef662d644d00c84e387aa13770a7aa0757b3df64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1be95a2c178e2d8d5c5289d6bc97a65d49728f6ad7c78d51bd0685c2d20a0c8b [INFO] running `Command { std: "docker" "start" "-a" "1be95a2c178e2d8d5c5289d6bc97a65d49728f6ad7c78d51bd0685c2d20a0c8b", kill_on_drop: false }` [INFO] [stderr] Checking advanced_features_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `proc_macro` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use proc_macro; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `proc_macro` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use proc_macro; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let r = address as *const i32; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w_vec` [INFO] [stdout] --> src/main.rs:162:9 [INFO] [stdout] | [INFO] [stdout] 162 | let w_vec = &*w; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_w_vec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `distance` [INFO] [stdout] --> src/main.rs:165:9 [INFO] [stdout] | [INFO] [stdout] 165 | let distance: Kilometer = 3894; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_distance` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/main.rs:167:9 [INFO] [stdout] | [INFO] [stdout] 167 | let f: Thunk = Box::new(|| println!("Hi")); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list_of_strings` [INFO] [stdout] --> src/main.rs:197:9 [INFO] [stdout] | [INFO] [stdout] 197 | let list_of_strings: Vec = list_of_numbers.iter().map(ToString::to_string).collect(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_list_of_strings` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `V` [INFO] [stdout] --> src/main.rs:211:9 [INFO] [stdout] | [INFO] [stdout] 211 | let V: Vec = vec![1, 2, 3]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_V` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let r = address as *const i32; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w_vec` [INFO] [stdout] --> src/main.rs:162:9 [INFO] [stdout] | [INFO] [stdout] 162 | let w_vec = &*w; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_w_vec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `distance` [INFO] [stdout] --> src/main.rs:165:9 [INFO] [stdout] | [INFO] [stdout] 165 | let distance: Kilometer = 3894; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_distance` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/main.rs:167:9 [INFO] [stdout] | [INFO] [stdout] 167 | let f: Thunk = Box::new(|| println!("Hi")); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list_of_strings` [INFO] [stdout] --> src/main.rs:197:9 [INFO] [stdout] | [INFO] [stdout] 197 | let list_of_strings: Vec = list_of_numbers.iter().map(ToString::to_string).collect(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_list_of_strings` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `V` [INFO] [stdout] --> src/main.rs:211:9 [INFO] [stdout] | [INFO] [stdout] 211 | let V: Vec = vec![1, 2, 3]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_V` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/main.rs:168:24 [INFO] [stdout] | [INFO] [stdout] 168 | fn takes_long_type(f: Thunk) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/main.rs:183:20 [INFO] [stdout] | [INFO] [stdout] 183 | fn generics(t: T) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/main.rs:186:30 [INFO] [stdout] | [INFO] [stdout] 186 | fn generics_1(t: &T) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `split_at_mut` is never used [INFO] [stdout] --> src/main.rs:231:4 [INFO] [stdout] | [INFO] [stdout] 231 | fn split_at_mut(slice: &mut [i32], mid: usize) -> (&mut [i32], &mut [i32]) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/main.rs:168:24 [INFO] [stdout] | [INFO] [stdout] 168 | fn takes_long_type(f: Thunk) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/main.rs:183:20 [INFO] [stdout] | [INFO] [stdout] 183 | fn generics(t: T) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/main.rs:186:30 [INFO] [stdout] | [INFO] [stdout] 186 | fn generics_1(t: &T) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `V` should have a snake case name [INFO] [stdout] --> src/main.rs:211:9 [INFO] [stdout] | [INFO] [stdout] 211 | let V: Vec = vec![1, 2, 3]; [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fly` is never used [INFO] [stdout] --> src/main.rs:110:12 [INFO] [stdout] | [INFO] [stdout] 109 | impl Human { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 110 | fn fly(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `baby_name` is never used [INFO] [stdout] --> src/main.rs:119:12 [INFO] [stdout] | [INFO] [stdout] 118 | impl Dog { [INFO] [stdout] | -------- associated function in this implementation [INFO] [stdout] 119 | fn baby_name() -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `takes_long_type` is never used [INFO] [stdout] --> src/main.rs:168:8 [INFO] [stdout] | [INFO] [stdout] 168 | fn takes_long_type(f: Thunk) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generics` is never used [INFO] [stdout] --> src/main.rs:183:8 [INFO] [stdout] | [INFO] [stdout] 183 | fn generics(t: T) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generics_1` is never used [INFO] [stdout] --> src/main.rs:186:8 [INFO] [stdout] | [INFO] [stdout] 186 | fn generics_1(t: &T) {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Status` is never used [INFO] [stdout] --> src/main.rs:198:10 [INFO] [stdout] | [INFO] [stdout] 198 | enum Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `return_closure_1` is never used [INFO] [stdout] --> src/main.rs:207:8 [INFO] [stdout] | [INFO] [stdout] 207 | fn return_closure_1() -> Box i32> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `split_at_mut` is never used [INFO] [stdout] --> src/main.rs:231:4 [INFO] [stdout] | [INFO] [stdout] 231 | fn split_at_mut(slice: &mut [i32], mid: usize) -> (&mut [i32], &mut [i32]) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `V` should have a snake case name [INFO] [stdout] --> src/main.rs:211:9 [INFO] [stdout] | [INFO] [stdout] 211 | let V: Vec = vec![1, 2, 3]; [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "1be95a2c178e2d8d5c5289d6bc97a65d49728f6ad7c78d51bd0685c2d20a0c8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1be95a2c178e2d8d5c5289d6bc97a65d49728f6ad7c78d51bd0685c2d20a0c8b", kill_on_drop: false }` [INFO] [stdout] 1be95a2c178e2d8d5c5289d6bc97a65d49728f6ad7c78d51bd0685c2d20a0c8b