[INFO] cloning repository https://github.com/zhang915/rust-simpleallocator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhang915/rust-simpleallocator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhang915%2Frust-simpleallocator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhang915%2Frust-simpleallocator'... 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[INFO] started tweaking git repo https://github.com/zhang915/rust-simpleallocator [INFO] finished tweaking git repo https://github.com/zhang915/rust-simpleallocator [INFO] tweaked toml for git repo https://github.com/zhang915/rust-simpleallocator written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/zhang915/rust-simpleallocator on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/zhang915/rust-simpleallocator 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4cab01fad7e58b5c88909a98e5efc19c0a7672d02b40a355e778a9976dae54e0 [INFO] running `Command { std: "docker" "start" "-a" "4cab01fad7e58b5c88909a98e5efc19c0a7672d02b40a355e778a9976dae54e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4cab01fad7e58b5c88909a98e5efc19c0a7672d02b40a355e778a9976dae54e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cab01fad7e58b5c88909a98e5efc19c0a7672d02b40a355e778a9976dae54e0", kill_on_drop: false }` [INFO] [stdout] 4cab01fad7e58b5c88909a98e5efc19c0a7672d02b40a355e778a9976dae54e0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ddf9ff374f1cca00027f2fbcdd92ce85bb3a600486d24fd3986d7a2ef5f030ed [INFO] running `Command { std: "docker" "start" "-a" "ddf9ff374f1cca00027f2fbcdd92ce85bb3a600486d24fd3986d7a2ef5f030ed", kill_on_drop: false }` [INFO] [stderr] Checking simple_allocator2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::ptr::null_mut` [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::ptr::null_mut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ptr::null_mut` [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::ptr::null_mut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_mut_refs)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_mut_refs)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `as_array_of_cells` has been stable since 1.91.0-nightly and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(as_array_of_cells)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `cell_update` has been stable since 1.88.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(cell_update)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `as_array_of_cells` has been stable since 1.91.0-nightly and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(as_array_of_cells)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `cell_update` has been stable since 1.88.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(cell_update)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/lib.rs:442:9 [INFO] [stdout] | [INFO] [stdout] 439 | return self.alloc(new_layout); [INFO] [stdout] | ----------------------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 442 | self.update_alloc(new_size); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/lib.rs:442:9 [INFO] [stdout] | [INFO] [stdout] 439 | return self.alloc(new_layout); [INFO] [stdout] | ----------------------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 442 | self.update_alloc(new_size); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pos` is never read [INFO] [stdout] --> src/cal_tools.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | let mut pos: usize = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pos` is never read [INFO] [stdout] --> src/cal_tools.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | let mut pos: usize = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `size_class` [INFO] [stdout] --> src/cal_tools.rs:19:33 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn decal_position(i :usize, size_class: usize) -> (usize, u64){ [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_size_class` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `size_class` [INFO] [stdout] --> src/cal_tools.rs:19:33 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn decal_position(i :usize, size_class: usize) -> (usize, u64){ [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_size_class` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:63:13 [INFO] [stdout] | [INFO] [stdout] 63 | let mut temp_ptr = self.ptr; [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: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:63:13 [INFO] [stdout] | [INFO] [stdout] 63 | let mut temp_ptr = self.ptr; [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: value assigned to `ret_ptr` is never read [INFO] [stdout] --> src/lib.rs:296:21 [INFO] [stdout] | [INFO] [stdout] 296 | ret_ptr = f[i].reserve_page(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ret_ptr` is never read [INFO] [stdout] --> src/lib.rs:296:21 [INFO] [stdout] | [INFO] [stdout] 296 | ret_ptr = f[i].reserve_page(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MAX_SUPPORTED_ALIGN` is never used [INFO] [stdout] --> src/lib.rs:12:7 [INFO] [stdout] | [INFO] [stdout] 12 | const MAX_SUPPORTED_ALIGN: usize = 4096; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_sizeclass` is never used [INFO] [stdout] --> src/lib.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 48 | impl PageListHead{ [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 57 | fn get_sizeclass(&self) -> usize{ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MAX_SUPPORTED_ALIGN` is never used [INFO] [stdout] --> src/lib.rs:12:7 [INFO] [stdout] | [INFO] [stdout] 12 | const MAX_SUPPORTED_ALIGN: usize = 4096; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_sizeclass` is never used [INFO] [stdout] --> src/lib.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 48 | impl PageListHead{ [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 57 | fn get_sizeclass(&self) -> usize{ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `count` should have an upper case name [INFO] [stdout] --> src/lib.rs:131:16 [INFO] [stdout] | [INFO] [stdout] 131 | pub static count: Count = Count{ [INFO] [stdout] | ^^^^^ help: convert the identifier to upper case: `COUNT` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `count` should have an upper case name [INFO] [stdout] --> src/lib.rs:131:16 [INFO] [stdout] | [INFO] [stdout] 131 | pub static count: Count = Count{ [INFO] [stdout] | ^^^^^ help: convert the identifier to upper case: `COUNT` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MyPages` should have an upper case name [INFO] [stdout] --> src/lib.rs:142:16 [INFO] [stdout] | [INFO] [stdout] 142 | pub static MyPages:[PageListHead;5] = [PageListHead::new(16), PageListHead::new(32), PageListHead::new(64), PageListHead::new(128), P... [INFO] [stdout] | ^^^^^^^ help: convert the identifier to upper case: `MY_PAGES` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MyPages` should have an upper case name [INFO] [stdout] --> src/lib.rs:142:16 [INFO] [stdout] | [INFO] [stdout] 142 | pub static MyPages:[PageListHead;5] = [PageListHead::new(16), PageListHead::new(32), PageListHead::new(64), PageListHead::new(128), P... [INFO] [stdout] | ^^^^^^^ help: convert the identifier to upper case: `MY_PAGES` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `power_2` should have an upper case name [INFO] [stdout] --> src/cal_tools.rs:2:7 [INFO] [stdout] | [INFO] [stdout] 2 | const power_2: &[u64] = &[4, 16, 256, 65536, 4294967296 ]; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: convert the identifier to upper case [INFO] [stdout] | [INFO] [stdout] 2 - const power_2: &[u64] = &[4, 16, 256, 65536, 4294967296 ]; [INFO] [stdout] 2 + const POWER_2: &[u64] = &[4, 16, 256, 65536, 4294967296 ]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `power_2` should have an upper case name [INFO] [stdout] --> src/cal_tools.rs:2:7 [INFO] [stdout] | [INFO] [stdout] 2 | const power_2: &[u64] = &[4, 16, 256, 65536, 4294967296 ]; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: convert the identifier to upper case [INFO] [stdout] | [INFO] [stdout] 2 - const power_2: &[u64] = &[4, 16, 256, 65536, 4294967296 ]; [INFO] [stdout] 2 + const POWER_2: &[u64] = &[4, 16, 256, 65536, 4294967296 ]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `simple_allocator2::breakpoint` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use simple_allocator2::breakpoint; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `simple_allocator2::breakpoint` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use simple_allocator2::breakpoint; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vector` [INFO] [stdout] --> src/main.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let mut vector = vec![1, 2, 4, 8];// 16 [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_vector` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vector` [INFO] [stdout] --> src/main.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let mut vector = vec![1, 2, 4, 8];// 16 [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_vector` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let mut a = vector2[4]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let mut a = vector2[4]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vector3` [INFO] [stdout] --> src/main.rs:21:17 [INFO] [stdout] | [INFO] [stdout] 21 | let mut vector3 = vec![1, 2, 4, 8];// 16 [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vector3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vector4` [INFO] [stdout] --> src/main.rs:22:17 [INFO] [stdout] | [INFO] [stdout] 22 | let mut vector4 = vec![1, 2, 4, 8];// 16 [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vector4` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vector3` [INFO] [stdout] --> src/main.rs:21:17 [INFO] [stdout] | [INFO] [stdout] 21 | let mut vector3 = vec![1, 2, 4, 8];// 16 [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vector3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vector4` [INFO] [stdout] --> src/main.rs:22:17 [INFO] [stdout] | [INFO] [stdout] 22 | let mut vector4 = vec![1, 2, 4, 8];// 16 [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vector4` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut vector = vec![1, 2, 4, 8];// 16 [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut vector = vec![1, 2, 4, 8];// 16 [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mut a = vector2[4]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mut a = vector2[4]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | let mut vector3 = vec![1, 2, 4, 8];// 16 [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | let mut vector3 = vec![1, 2, 4, 8];// 16 [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | let mut vector4 = vec![1, 2, 4, 8];// 16 [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | let mut vector4 = vec![1, 2, 4, 8];// 16 [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "ddf9ff374f1cca00027f2fbcdd92ce85bb3a600486d24fd3986d7a2ef5f030ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddf9ff374f1cca00027f2fbcdd92ce85bb3a600486d24fd3986d7a2ef5f030ed", kill_on_drop: false }` [INFO] [stdout] ddf9ff374f1cca00027f2fbcdd92ce85bb3a600486d24fd3986d7a2ef5f030ed