[INFO] updating cached repository https://github.com/cmonkey/rust_project [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] a90eaec20b182a93bc1981d13d7443b2a2df139f [INFO] checking cmonkey/rust_project against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmonkey%2Frust_project" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cmonkey/rust_project 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/cmonkey/rust_project [INFO] finished tweaking git repo https://github.com/cmonkey/rust_project [INFO] tweaked toml for git repo https://github.com/cmonkey/rust_project written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/cmonkey/rust_project 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 9fff8a5b182dbc869e5466b6df67eb27cd71f703049680464ee087351f9ef692 [INFO] running `"docker" "start" "-a" "9fff8a5b182dbc869e5466b6df67eb27cd71f703049680464ee087351f9ef692"` [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking rust_project v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression [INFO] [stderr] --> src/main.rs:71:19 [INFO] [stderr] | [INFO] [stderr] 71 | for number in (1..10) { [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression [INFO] [stderr] --> src/main.rs:71:19 [INFO] [stderr] | [INFO] [stderr] 71 | for number in (1..10) { [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `back` [INFO] [stderr] --> src/main.rs:135:9 [INFO] [stderr] | [INFO] [stderr] 135 | let back = Color(0, 0, 0); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_back` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `origin` [INFO] [stderr] --> src/main.rs:136:9 [INFO] [stderr] | [INFO] [stderr] 136 | let origin = Point(0, 0, 0); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `some_number` [INFO] [stderr] --> src/main.rs:185:9 [INFO] [stderr] | [INFO] [stderr] 185 | let some_number = Some(1); [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_number` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `some_string` [INFO] [stderr] --> src/main.rs:186:9 [INFO] [stderr] | [INFO] [stderr] 186 | let some_string = Some("s string"); [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_string` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `absent_number` [INFO] [stderr] --> src/main.rs:187:9 [INFO] [stderr] | [INFO] [stderr] 187 | let absent_number: Option = None; [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_absent_number` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:189:9 [INFO] [stderr] | [INFO] [stderr] 189 | let x: i8 = 5; [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:190:9 [INFO] [stderr] | [INFO] [stderr] 190 | let y: Option = Some(5); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `six` [INFO] [stderr] --> src/main.rs:199:9 [INFO] [stderr] | [INFO] [stderr] 199 | let six = plus_one_option(five); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `none` [INFO] [stderr] --> src/main.rs:200:9 [INFO] [stderr] | [INFO] [stderr] 200 | let none = plus_one_option(None); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_none` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/main.rs:239:9 [INFO] [stderr] | [INFO] [stderr] 239 | let f = match f { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `other_error` [INFO] [stderr] --> src/main.rs:246:13 [INFO] [stderr] | [INFO] [stderr] 246 | other_error => panic!("There was a problem opening the file: {:?}", error) [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_error` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `back` [INFO] [stderr] --> src/main.rs:135:9 [INFO] [stderr] | [INFO] [stderr] 135 | let back = Color(0, 0, 0); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_back` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `origin` [INFO] [stderr] --> src/main.rs:136:9 [INFO] [stderr] | [INFO] [stderr] 136 | let origin = Point(0, 0, 0); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `some_number` [INFO] [stderr] --> src/main.rs:185:9 [INFO] [stderr] | [INFO] [stderr] 185 | let some_number = Some(1); [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_number` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `some_string` [INFO] [stderr] --> src/main.rs:186:9 [INFO] [stderr] | [INFO] [stderr] 186 | let some_string = Some("s string"); [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_string` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `absent_number` [INFO] [stderr] --> src/main.rs:187:9 [INFO] [stderr] | [INFO] [stderr] 187 | let absent_number: Option = None; [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_absent_number` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:189:9 [INFO] [stderr] | [INFO] [stderr] 189 | let x: i8 = 5; [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:190:9 [INFO] [stderr] | [INFO] [stderr] 190 | let y: Option = Some(5); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `six` [INFO] [stderr] --> src/main.rs:199:9 [INFO] [stderr] | [INFO] [stderr] 199 | let six = plus_one_option(five); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `none` [INFO] [stderr] --> src/main.rs:200:9 [INFO] [stderr] | [INFO] [stderr] 200 | let none = plus_one_option(None); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_none` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/main.rs:239:9 [INFO] [stderr] | [INFO] [stderr] 239 | let f = match f { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `other_error` [INFO] [stderr] --> src/main.rs:246:13 [INFO] [stderr] | [INFO] [stderr] 246 | other_error => panic!("There was a problem opening the file: {:?}", error) [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_error` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `userName` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | userName: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sign_in_count` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | sign_in_count: u64, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `build_user` [INFO] [stderr] --> src/main.rs:314:4 [INFO] [stderr] | [INFO] [stderr] 314 | fn build_user(email: String, userName: String) -> User { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `area` [INFO] [stderr] --> src/main.rs:323:4 [INFO] [stderr] | [INFO] [stderr] 323 | fn area(rectangle: &Rectangle) -> u32 { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nickel` [INFO] [stderr] --> src/main.rs:335:5 [INFO] [stderr] | [INFO] [stderr] 335 | Nickel, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Dime` [INFO] [stderr] --> src/main.rs:336:5 [INFO] [stderr] | [INFO] [stderr] 336 | Dime, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Quarter` [INFO] [stderr] --> src/main.rs:337:5 [INFO] [stderr] | [INFO] [stderr] 337 | Quarter, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: structure field `userName` should have a snake case name [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | userName: String, [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `user_name` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `lenS` should have a snake case name [INFO] [stderr] --> src/main.rs:85:9 [INFO] [stderr] | [INFO] [stderr] 85 | let lenS = String::from("hello"); [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `len_s` [INFO] [stderr] [INFO] [stderr] warning: variable `userName` should have a snake case name [INFO] [stderr] --> src/main.rs:314:30 [INFO] [stderr] | [INFO] [stderr] 314 | fn build_user(email: String, userName: String) -> User { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `user_name` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `userName` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | userName: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sign_in_count` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | sign_in_count: u64, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `build_user` [INFO] [stderr] --> src/main.rs:314:4 [INFO] [stderr] | [INFO] [stderr] 314 | fn build_user(email: String, userName: String) -> User { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `area` [INFO] [stderr] --> src/main.rs:323:4 [INFO] [stderr] | [INFO] [stderr] 323 | fn area(rectangle: &Rectangle) -> u32 { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nickel` [INFO] [stderr] --> src/main.rs:335:5 [INFO] [stderr] | [INFO] [stderr] 335 | Nickel, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Dime` [INFO] [stderr] --> src/main.rs:336:5 [INFO] [stderr] | [INFO] [stderr] 336 | Dime, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Quarter` [INFO] [stderr] --> src/main.rs:337:5 [INFO] [stderr] | [INFO] [stderr] 337 | Quarter, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: structure field `userName` should have a snake case name [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | userName: String, [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `user_name` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `lenS` should have a snake case name [INFO] [stderr] --> src/main.rs:85:9 [INFO] [stderr] | [INFO] [stderr] 85 | let lenS = String::from("hello"); [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `len_s` [INFO] [stderr] [INFO] [stderr] warning: variable `userName` should have a snake case name [INFO] [stderr] --> src/main.rs:314:30 [INFO] [stderr] | [INFO] [stderr] 314 | fn build_user(email: String, userName: String) -> User { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `user_name` [INFO] [stderr] [INFO] [stderr] warning: 22 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 22 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.07s [INFO] running `"docker" "inspect" "9fff8a5b182dbc869e5466b6df67eb27cd71f703049680464ee087351f9ef692"` [INFO] running `"docker" "rm" "-f" "9fff8a5b182dbc869e5466b6df67eb27cd71f703049680464ee087351f9ef692"` [INFO] [stdout] 9fff8a5b182dbc869e5466b6df67eb27cd71f703049680464ee087351f9ef692