[INFO] cloning repository https://github.com/csvsoft/rust-note [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/csvsoft/rust-note" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsvsoft%2Frust-note", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsvsoft%2Frust-note'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 440fa47ce2d9f2a747bbf4e8d3bd543422b6fb7d [INFO] checking csvsoft/rust-note against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsvsoft%2Frust-note" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/csvsoft/rust-note on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/csvsoft/rust-note [INFO] finished tweaking git repo https://github.com/csvsoft/rust-note [INFO] tweaked toml for git repo https://github.com/csvsoft/rust-note written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/csvsoft/rust-note already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0497ccaab8c1e552a7a133ae394dc7cd7875746599220d42f36f361a8e003fdf [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0497ccaab8c1e552a7a133ae394dc7cd7875746599220d42f36f361a8e003fdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0497ccaab8c1e552a7a133ae394dc7cd7875746599220d42f36f361a8e003fdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0497ccaab8c1e552a7a133ae394dc7cd7875746599220d42f36f361a8e003fdf", kill_on_drop: false }` [INFO] [stdout] 0497ccaab8c1e552a7a133ae394dc7cd7875746599220d42f36f361a8e003fdf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c9eeaa374a82b4ba7be5786f1ac7cef3e44579b96b91f4e03cdffdb202e85cb3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c9eeaa374a82b4ba7be5786f1ac7cef3e44579b96b91f4e03cdffdb202e85cb3", kill_on_drop: false }` [INFO] [stderr] Checking unicode-segmentation v1.3.0 [INFO] [stderr] Checking rust_note v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> tests/test_rc.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let b = Con(3,Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> tests/test_rc.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | let c = Con(4 ,Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `HashMap` is imported redundantly [INFO] [stdout] --> src/collection/mod.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ------------------------- the item `HashMap` is already imported here [INFO] [stdout] ... [INFO] [stdout] 54 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: functions used as tests can not have any arguments [INFO] [stdout] --> tests/thread.rs:101:1 [INFO] [stdout] | [INFO] [stdout] 101 | / fn reverse_str(str:&str) -> String{ [INFO] [stdout] 102 | | [INFO] [stdout] 103 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> tests/test_deref.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `HashMap` is imported redundantly [INFO] [stdout] --> src/collection/mod.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ------------------------- the item `HashMap` is already imported here [INFO] [stdout] ... [INFO] [stdout] 54 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `myBox` should have a snake case name [INFO] [stdout] --> tests/test_deref.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let myBox = MyBox::new(String::from("world")); [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `my_box` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `str_a` [INFO] [stdout] --> src/collection/mod.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let str_a = "stra".to_string(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_str_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `str_b` [INFO] [stdout] --> src/collection/mod.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let str_b = String::from("strb"); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_str_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `team_score` [INFO] [stdout] --> src/collection/mod.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let team_score :HashMap<_,_>= teams.iter().zip(scores.iter()).collect(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_team_score` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `median` [INFO] [stdout] --> src/collection/mod.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | let median = list[list.len()/2]; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_median` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/collection/mod.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | let value = map.entry(x.clone()).or_insert(0); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `avg` [INFO] [stdout] --> src/collection/mod.rs:92:11 [INFO] [stdout] | [INFO] [stdout] 92 | let avg = sum/(list.len() as i32); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_avg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `str_a` [INFO] [stdout] --> src/collection/mod.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let str_a = "stra".to_string(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_str_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `str_b` [INFO] [stdout] --> src/collection/mod.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let str_b = String::from("strb"); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_str_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `team_score` [INFO] [stdout] --> src/collection/mod.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let team_score :HashMap<_,_>= teams.iter().zip(scores.iter()).collect(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_team_score` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `median` [INFO] [stdout] --> src/collection/mod.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | let median = list[list.len()/2]; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_median` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/collection/mod.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | let value = map.entry(x.clone()).or_insert(0); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `avg` [INFO] [stdout] --> src/collection/mod.rs:92:11 [INFO] [stdout] | [INFO] [stdout] 92 | let avg = sum/(list.len() as i32); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_avg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `list_excercise` [INFO] [stdout] --> src/collection/mod.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn list_excercise(mut list: Vec){ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `largest_num` [INFO] [stdout] --> src/traits/mod.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn largest_num(list:&[T]) -> T{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `vectInt` should have a snake case name [INFO] [stdout] --> src/collection/mod.rs:6:14 [INFO] [stdout] | [INFO] [stdout] 6 | let mut vectInt = vec![1,2,3]; [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `vect_int` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `list_excercise` [INFO] [stdout] --> src/collection/mod.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn list_excercise(mut list: Vec){ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `largest_num` [INFO] [stdout] --> src/traits/mod.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn largest_num(list:&[T]) -> T{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `vectInt` should have a snake case name [INFO] [stdout] --> src/collection/mod.rs:6:14 [INFO] [stdout] | [INFO] [stdout] 6 | let mut vectInt = vec![1,2,3]; [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `vect_int` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> tests/thread.rs:101:29 [INFO] [stdout] | [INFO] [stdout] 101 | fn reverse_str(str:&str) -> String{ [INFO] [stdout] | ----------- ^^^^^^ expected struct `String`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_note` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "c9eeaa374a82b4ba7be5786f1ac7cef3e44579b96b91f4e03cdffdb202e85cb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9eeaa374a82b4ba7be5786f1ac7cef3e44579b96b91f4e03cdffdb202e85cb3", kill_on_drop: false }` [INFO] [stdout] c9eeaa374a82b4ba7be5786f1ac7cef3e44579b96b91f4e03cdffdb202e85cb3