[INFO] cloning repository https://github.com/flamingoodev/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flamingoodev/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflamingoodev%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflamingoodev%2Frust-learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f1b98824d9a30b1d5b33141ea4ae14b6a2940f7f [INFO] testing flamingoodev/rust-learn against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflamingoodev%2Frust-learn" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/flamingoodev/rust-learn on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/flamingoodev/rust-learn [INFO] finished tweaking git repo https://github.com/flamingoodev/rust-learn [INFO] tweaked toml for git repo https://github.com/flamingoodev/rust-learn written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/flamingoodev/rust-learn already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7f73a4219905e48b5e77f1366a86f3f810b587d623f2d3f7e9397f1d68799da6 [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" "7f73a4219905e48b5e77f1366a86f3f810b587d623f2d3f7e9397f1d68799da6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7f73a4219905e48b5e77f1366a86f3f810b587d623f2d3f7e9397f1d68799da6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f73a4219905e48b5e77f1366a86f3f810b587d623f2d3f7e9397f1d68799da6", kill_on_drop: false }` [INFO] [stdout] 7f73a4219905e48b5e77f1366a86f3f810b587d623f2d3f7e9397f1d68799da6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 151fdb4b2ea4872bbc33830d53e209beb9748d5c8eb53a5de22f87a0ab0498f7 [INFO] running `Command { std: "docker" "start" "-a" "151fdb4b2ea4872bbc33830d53e209beb9748d5c8eb53a5de22f87a0ab0498f7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rust-learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/syntax/t_type.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let num = 42u32; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/syntax/t_type.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let num: u32 = 42; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/syntax/t_type.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let num = 0x2A; // 十六进制 [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/syntax/t_type.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let num = 0o106; // 八进制 [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/syntax/t_type.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let num = 3.55f64; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/syntax/t_type.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let mut mut_arr = [1, 2, 3]; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `if_let` [INFO] [stdout] --> src/collections/t_vector.rs:57:4 [INFO] [stdout] | [INFO] [stdout] 57 | fn if_let() -> u8 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/collections/t_vector.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 56 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `while_let` [INFO] [stdout] --> src/collections/t_vector.rs:72:4 [INFO] [stdout] | [INFO] [stdout] 72 | fn while_let() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/collections/t_vector.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `pri_print_role` [INFO] [stdout] --> src/routes/role.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn pri_print_role() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/routes/role.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `pri_print_user` [INFO] [stdout] --> src/routes/user.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn pri_print_user() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `math` [INFO] [stdout] --> src/syntax/t_closure.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn math i32>(op: F) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/syntax/t_closure.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `two_times_impl` [INFO] [stdout] --> src/syntax/t_closure.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn two_times_impl() -> impl Fn(i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/syntax/t_closure.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `math` [INFO] [stdout] --> src/syntax/t_function.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn math(op: fn(i32, i32) -> i32, a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sum` [INFO] [stdout] --> src/syntax/t_function.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn sum(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `product` [INFO] [stdout] --> src/syntax/t_function.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn product(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `init_len` [INFO] [stdout] --> src/syntax/t_function.rs:16:10 [INFO] [stdout] | [INFO] [stdout] 16 | const fn init_len() -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `t_type` [INFO] [stdout] --> src/syntax/t_type.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn t_type() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.25s [INFO] running `Command { std: "docker" "inspect" "151fdb4b2ea4872bbc33830d53e209beb9748d5c8eb53a5de22f87a0ab0498f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "151fdb4b2ea4872bbc33830d53e209beb9748d5c8eb53a5de22f87a0ab0498f7", kill_on_drop: false }` [INFO] [stdout] 151fdb4b2ea4872bbc33830d53e209beb9748d5c8eb53a5de22f87a0ab0498f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7592500fda1fc2df9f42890b8396531e6f5234c48e3ff6e50682e9db5b37f677 [INFO] running `Command { std: "docker" "start" "-a" "7592500fda1fc2df9f42890b8396531e6f5234c48e3ff6e50682e9db5b37f677", kill_on_drop: false }` [INFO] [stderr] Compiling rust-learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/syntax/t_type.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let num = 42u32; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/syntax/t_type.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let num: u32 = 42; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/syntax/t_type.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let num = 0x2A; // 十六进制 [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/syntax/t_type.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let num = 0o106; // 八进制 [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/syntax/t_type.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let num = 3.55f64; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/syntax/t_type.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let mut mut_arr = [1, 2, 3]; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `if_let` [INFO] [stdout] --> src/collections/t_vector.rs:57:4 [INFO] [stdout] | [INFO] [stdout] 57 | fn if_let() -> u8 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/collections/t_vector.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 56 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `while_let` [INFO] [stdout] --> src/collections/t_vector.rs:72:4 [INFO] [stdout] | [INFO] [stdout] 72 | fn while_let() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/collections/t_vector.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `pri_print_role` [INFO] [stdout] --> src/routes/role.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn pri_print_role() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/routes/role.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `pri_print_user` [INFO] [stdout] --> src/routes/user.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn pri_print_user() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `math` [INFO] [stdout] --> src/syntax/t_closure.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn math i32>(op: F) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/syntax/t_closure.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `two_times_impl` [INFO] [stdout] --> src/syntax/t_closure.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn two_times_impl() -> impl Fn(i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/syntax/t_closure.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `math` [INFO] [stdout] --> src/syntax/t_function.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn math(op: fn(i32, i32) -> i32, a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sum` [INFO] [stdout] --> src/syntax/t_function.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn sum(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `product` [INFO] [stdout] --> src/syntax/t_function.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn product(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `init_len` [INFO] [stdout] --> src/syntax/t_function.rs:16:10 [INFO] [stdout] | [INFO] [stdout] 16 | const fn init_len() -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `t_type` [INFO] [stdout] --> src/syntax/t_type.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn t_type() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/syntax/t_type.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let num = 42u32; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/syntax/t_type.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let num: u32 = 42; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/syntax/t_type.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let num = 0x2A; // 十六进制 [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/syntax/t_type.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let num = 0o106; // 八进制 [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/syntax/t_type.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let num = 3.55f64; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/syntax/t_type.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let mut mut_arr = [1, 2, 3]; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `pri_print_role` [INFO] [stdout] --> src/routes/role.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn pri_print_role() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/routes/role.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `pri_print_user` [INFO] [stdout] --> src/routes/user.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn pri_print_user() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.04s [INFO] running `Command { std: "docker" "inspect" "7592500fda1fc2df9f42890b8396531e6f5234c48e3ff6e50682e9db5b37f677", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7592500fda1fc2df9f42890b8396531e6f5234c48e3ff6e50682e9db5b37f677", kill_on_drop: false }` [INFO] [stdout] 7592500fda1fc2df9f42890b8396531e6f5234c48e3ff6e50682e9db5b37f677 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1f6c37bf325c1970f1a455c60c1c43ff7eedb5fa2477adffe29aaddd14110b09 [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" "1f6c37bf325c1970f1a455c60c1c43ff7eedb5fa2477adffe29aaddd14110b09", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/syntax/t_type.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | let num = 42u32; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/syntax/t_type.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | let num: u32 = 42; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/syntax/t_type.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let num = 0x2A; // 十六进制 [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/syntax/t_type.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let num = 0o106; // 八进制 [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/syntax/t_type.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let num = 3.55f64; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/syntax/t_type.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | let mut mut_arr = [1, 2, 3]; [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: function is never used: `if_let` [INFO] [stderr] --> src/collections/t_vector.rs:57:4 [INFO] [stderr] | [INFO] [stderr] 57 | fn if_let() -> u8 { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/collections/t_vector.rs:56:8 [INFO] [stderr] | [INFO] [stderr] 56 | #[warn(dead_code)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `while_let` [INFO] [stderr] --> src/collections/t_vector.rs:72:4 [INFO] [stderr] | [INFO] [stderr] 72 | fn while_let() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/collections/t_vector.rs:71:8 [INFO] [stderr] | [INFO] [stderr] 71 | #[warn(dead_code)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pri_print_role` [INFO] [stderr] --> src/routes/role.rs:8:4 [INFO] [stderr] | [INFO] [stderr] 8 | fn pri_print_role() { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/routes/role.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | #[warn(dead_code)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pri_print_user` [INFO] [stderr] --> src/routes/user.rs:9:4 [INFO] [stderr] | [INFO] [stderr] 9 | fn pri_print_user() { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `math` [INFO] [stderr] --> src/syntax/t_closure.rs:5:4 [INFO] [stderr] | [INFO] [stderr] 5 | fn math i32>(op: F) -> i32 { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/syntax/t_closure.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | #[warn(dead_code)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `two_times_impl` [INFO] [stderr] --> src/syntax/t_closure.rs:11:4 [INFO] [stderr] | [INFO] [stderr] 11 | fn two_times_impl() -> impl Fn(i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/syntax/t_closure.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | #[warn(dead_code)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `math` [INFO] [stderr] --> src/syntax/t_function.rs:3:4 [INFO] [stderr] | [INFO] [stderr] 3 | fn math(op: fn(i32, i32) -> i32, a: i32, b: i32) -> i32 { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sum` [INFO] [stderr] --> src/syntax/t_function.rs:7:4 [INFO] [stderr] | [INFO] [stderr] 7 | fn sum(a: i32, b: i32) -> i32 { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `product` [INFO] [stderr] --> src/syntax/t_function.rs:11:4 [INFO] [stderr] | [INFO] [stderr] 11 | fn product(a: i32, b: i32) -> i32 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `init_len` [INFO] [stderr] --> src/syntax/t_function.rs:16:10 [INFO] [stderr] | [INFO] [stderr] 16 | const fn init_len() -> usize { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `t_type` [INFO] [stderr] --> src/syntax/t_type.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn t_type() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 17 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/syntax/t_type.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | let num = 42u32; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/syntax/t_type.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | let num: u32 = 42; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/syntax/t_type.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let num = 0x2A; // 十六进制 [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/syntax/t_type.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let num = 0o106; // 八进制 [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/syntax/t_type.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let num = 3.55f64; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/syntax/t_type.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | let mut mut_arr = [1, 2, 3]; [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: function is never used: `pri_print_role` [INFO] [stderr] --> src/routes/role.rs:8:4 [INFO] [stderr] | [INFO] [stderr] 8 | fn pri_print_role() { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/routes/role.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | #[warn(dead_code)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pri_print_user` [INFO] [stderr] --> src/routes/user.rs:9:4 [INFO] [stderr] | [INFO] [stderr] 9 | fn pri_print_user() { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_learn-549e899b7b8431a8 [INFO] [stdout] running 12 tests [INFO] [stdout] test collections::t_vector::test_if_let ... ok [INFO] [stdout] test collections::t_vector::test_while_let ... ok [INFO] [stdout] test syntax::t_closure::t_two ... ok [INFO] [stdout] test syntax::t_closure::t_math ... ok [INFO] [stdout] test syntax::t_function::t_init_len ... ok [INFO] [stdout] test tests::t_tests::test_result ... ok [INFO] [stdout] test syntax::t_function::t_math ... ok [INFO] [stdout] test syntax::t_type::test_t_type ... ok [INFO] [stdout] test tests::t_tests::test_iter ... ok [INFO] [stdout] test tests::t_tests::it_works ... ok [INFO] [stdout] test tests::t_tests::test_it_works ... ok [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_learn-87fee494577efa87 [INFO] [stdout] test tests::t_tests::another ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/integration_test-1c6252c9e37cb46f [INFO] [stdout] [INFO] [stderr] Doc-tests rust-learn [INFO] [stdout] running 1 test [INFO] [stdout] test it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1f6c37bf325c1970f1a455c60c1c43ff7eedb5fa2477adffe29aaddd14110b09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f6c37bf325c1970f1a455c60c1c43ff7eedb5fa2477adffe29aaddd14110b09", kill_on_drop: false }` [INFO] [stdout] 1f6c37bf325c1970f1a455c60c1c43ff7eedb5fa2477adffe29aaddd14110b09