[INFO] updating cached repository bradyjoestar/rust-learning [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/bradyjoestar/rust-learning [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/bradyjoestar/rust-learning" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/bradyjoestar/rust-learning"` [INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/bradyjoestar/rust-learning'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/bradyjoestar/rust-learning" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/bradyjoestar/rust-learning"` [INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/bradyjoestar/rust-learning'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b1a1a67c20aebbe0a1c5787220376097c1b85ed6 [INFO] sha for GitHub repo bradyjoestar/rust-learning: b1a1a67c20aebbe0a1c5787220376097c1b85ed6 [INFO] validating manifest of bradyjoestar/rust-learning on toolchain master#a850a426491e14186af2250549bf41256b5938d2 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of bradyjoestar/rust-learning on toolchain try#06a150c7d11500b41499224f165e9de1de096768 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing bradyjoestar/rust-learning [INFO] finished frobbing bradyjoestar/rust-learning [INFO] frobbed toml for bradyjoestar/rust-learning written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/bradyjoestar/rust-learning/Cargo.toml [INFO] started frobbing bradyjoestar/rust-learning [INFO] finished frobbing bradyjoestar/rust-learning [INFO] frobbed toml for bradyjoestar/rust-learning written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/bradyjoestar/rust-learning/Cargo.toml [INFO] crate bradyjoestar/rust-learning already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking bradyjoestar/rust-learning against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-5/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/bradyjoestar/rust-learning:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] b99bd8dfc7eeaf1d6e4e6b6ce27328158680039b5028234afe4a0bfb0485e566 [INFO] running `"docker" "start" "-a" "b99bd8dfc7eeaf1d6e4e6b6ce27328158680039b5028234afe4a0bfb0485e566"` [INFO] [stderr] Checking tiwenbin v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `complex_language_demo::collection_demo::vec_simple_test` [INFO] [stderr] --> src/complex_language_demo/enum_demo.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use complex_language_demo::collection_demo::vec_simple_test; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `complex_language_demo::collection_demo::vec_simple_test` [INFO] [stderr] --> src/complex_language_demo/enum_demo.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use complex_language_demo::collection_demo::vec_simple_test; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `row` [INFO] [stderr] --> src/complex_language_demo/collection_demo.rs:37:13 [INFO] [stderr] | [INFO] [stderr] 37 | let mut row = vec![ [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_row` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `msgA` [INFO] [stderr] --> src/complex_language_demo/enum_demo.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let msgA = Message::Quit; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_msgA` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `msgB` [INFO] [stderr] --> src/complex_language_demo/enum_demo.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let msgB = Message::Move { x: 10, y: 20 }; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_msgB` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `msgD` [INFO] [stderr] --> src/complex_language_demo/enum_demo.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let msgD = ChangeColor(10, 20, 30); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_msgD` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `file` [INFO] [stderr] --> src/complex_language_demo/panic_result_test.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let file = match f { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_file` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `file` [INFO] [stderr] --> src/complex_language_demo/panic_result_test.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let file = File::open("hello.txt").map_err(|error| { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_file` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `test` [INFO] [stderr] --> src/ownership_demo/simple_ownership_demo.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let test = "test"; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_test` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/complex_language_demo/collection_demo.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | let mut row = vec![ [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/complex_language_demo/collection_demo.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | let mut s = String::from("yellow"); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `row` [INFO] [stderr] --> src/complex_language_demo/collection_demo.rs:37:13 [INFO] [stderr] | [INFO] [stderr] 37 | let mut row = vec![ [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_row` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `msgA` [INFO] [stderr] --> src/complex_language_demo/enum_demo.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let msgA = Message::Quit; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_msgA` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `msgB` [INFO] [stderr] --> src/complex_language_demo/enum_demo.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let msgB = Message::Move { x: 10, y: 20 }; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_msgB` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `msgD` [INFO] [stderr] --> src/complex_language_demo/enum_demo.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let msgD = ChangeColor(10, 20, 30); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_msgD` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `file` [INFO] [stderr] --> src/complex_language_demo/panic_result_test.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let file = match f { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_file` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `file` [INFO] [stderr] --> src/complex_language_demo/panic_result_test.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let file = File::open("hello.txt").map_err(|error| { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_file` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `test` [INFO] [stderr] --> src/ownership_demo/simple_ownership_demo.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let test = "test"; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_test` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/ownership_demo/complex_ownership_demo.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | let mut s = String::from("slice"); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/ownership_demo/complex_ownership_demo.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | let mut slice = &s[0..3]; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/ownership_demo/simple_ownership_demo.rs:19:13 [INFO] [stderr] | [INFO] [stderr] 19 | let mut s4 = &s3; // &s3 是一个不可变引用 [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/ownership_demo/simple_ownership_demo.rs:78:9 [INFO] [stderr] | [INFO] [stderr] 78 | let mut s3 = String::from("hello"); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `username` [INFO] [stderr] --> src/complex_language_demo/struct_simple_demo.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | username: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `sign_in_count` [INFO] [stderr] --> src/complex_language_demo/struct_simple_demo.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | sign_in_count: u64, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `active` [INFO] [stderr] --> src/complex_language_demo/struct_simple_demo.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | active: bool, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `msgA` should have a snake case name [INFO] [stderr] --> src/complex_language_demo/enum_demo.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let msgA = Message::Quit; [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `msg_a` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `msgB` should have a snake case name [INFO] [stderr] --> src/complex_language_demo/enum_demo.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let msgB = Message::Move { x: 10, y: 20 }; [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `msg_b` [INFO] [stderr] [INFO] [stderr] warning: variable `msgC` should have a snake case name [INFO] [stderr] --> src/complex_language_demo/enum_demo.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let msgC = Message::Write(String::from("enum_test_string")); [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `msg_c` [INFO] [stderr] [INFO] [stderr] warning: variable `msgD` should have a snake case name [INFO] [stderr] --> src/complex_language_demo/enum_demo.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let msgD = ChangeColor(10, 20, 30); [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `msg_d` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/complex_language_demo/collection_demo.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | let mut row = vec![ [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/complex_language_demo/collection_demo.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | let mut s = String::from("yellow"); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/ownership_demo/complex_ownership_demo.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | let mut s = String::from("slice"); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/ownership_demo/complex_ownership_demo.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | let mut slice = &s[0..3]; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/ownership_demo/simple_ownership_demo.rs:19:13 [INFO] [stderr] | [INFO] [stderr] 19 | let mut s4 = &s3; // &s3 是一个不可变引用 [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/ownership_demo/simple_ownership_demo.rs:78:9 [INFO] [stderr] | [INFO] [stderr] 78 | let mut s3 = String::from("hello"); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `username` [INFO] [stderr] --> src/complex_language_demo/struct_simple_demo.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | username: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `sign_in_count` [INFO] [stderr] --> src/complex_language_demo/struct_simple_demo.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | sign_in_count: u64, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `active` [INFO] [stderr] --> src/complex_language_demo/struct_simple_demo.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | active: bool, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `msgA` should have a snake case name [INFO] [stderr] --> src/complex_language_demo/enum_demo.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let msgA = Message::Quit; [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `msg_a` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `msgB` should have a snake case name [INFO] [stderr] --> src/complex_language_demo/enum_demo.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let msgB = Message::Move { x: 10, y: 20 }; [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `msg_b` [INFO] [stderr] [INFO] [stderr] warning: variable `msgC` should have a snake case name [INFO] [stderr] --> src/complex_language_demo/enum_demo.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let msgC = Message::Write(String::from("enum_test_string")); [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `msg_c` [INFO] [stderr] [INFO] [stderr] warning: variable `msgD` should have a snake case name [INFO] [stderr] --> src/complex_language_demo/enum_demo.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let msgD = ChangeColor(10, 20, 30); [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `msg_d` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.56s [INFO] running `"docker" "inspect" "b99bd8dfc7eeaf1d6e4e6b6ce27328158680039b5028234afe4a0bfb0485e566"` [INFO] running `"docker" "rm" "-f" "b99bd8dfc7eeaf1d6e4e6b6ce27328158680039b5028234afe4a0bfb0485e566"` [INFO] [stdout] b99bd8dfc7eeaf1d6e4e6b6ce27328158680039b5028234afe4a0bfb0485e566