[INFO] updating cached repository https://github.com/aochagavia/rust-syntax-cheat-sheet [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] 61962ddbc2996b1dcbed8f58150e420058f1ddf9 [INFO] testing aochagavia/rust-syntax-cheat-sheet against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faochagavia%2Frust-syntax-cheat-sheet" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aochagavia/rust-syntax-cheat-sheet on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/aochagavia/rust-syntax-cheat-sheet [INFO] finished tweaking git repo https://github.com/aochagavia/rust-syntax-cheat-sheet [INFO] tweaked toml for git repo https://github.com/aochagavia/rust-syntax-cheat-sheet written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/aochagavia/rust-syntax-cheat-sheet already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 158a1ac1bd7cebdab8dc47b23c4bc38ce8760e6ee894d5dbaa35f26444f2ac19 [INFO] running `"docker" "start" "-a" "158a1ac1bd7cebdab8dc47b23c4bc38ce8760e6ee894d5dbaa35f26444f2ac19"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling syntax v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let x: i32 = 42; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `implicit_x` [INFO] [stderr] --> src/main.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let implicit_x = 1; [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_implicit_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `implicit_f` [INFO] [stderr] --> src/main.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | let implicit_f = 1.3; [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_implicit_f` [INFO] [stderr] [INFO] [stderr] warning: variable `mutable` is assigned to, but never used [INFO] [stderr] --> src/main.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | let mut mutable = 1; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_mutable` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `mutable` is never read [INFO] [stderr] --> src/main.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | mutable += 2; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `four_ints` [INFO] [stderr] --> src/main.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 71 | let four_ints: [i32; 4] = [1, 2, 3, 4]; [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_four_ints` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `origin` [INFO] [stderr] --> src/main.rs:108:9 [INFO] [stderr] | [INFO] [stderr] 108 | let origin = Point { x: 0, y: 0 }; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `origin2` [INFO] [stderr] --> src/main.rs:113:9 [INFO] [stderr] | [INFO] [stderr] 113 | let origin2 = Point2(0, 0); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `up` [INFO] [stderr] --> src/main.rs:144:9 [INFO] [stderr] | [INFO] [stderr] 144 | let up = Direction::Up; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_up` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `two` [INFO] [stderr] --> src/main.rs:152:9 [INFO] [stderr] | [INFO] [stderr] 152 | let two: OptionalI32 = OptionalI32::AnI32(2); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_two` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `nothing` [INFO] [stderr] --> src/main.rs:153:9 [INFO] [stderr] | [INFO] [stderr] 153 | let nothing = OptionalI32::Nothing; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nothing` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/main.rs:266:9 [INFO] [stderr] | [INFO] [stderr] 266 | let value = if true { "good" } else { "bad" }; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `another_ref_var` [INFO] [stderr] --> src/main.rs:296:9 [INFO] [stderr] | [INFO] [stderr] 296 | let another_ref_var = &var; [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_another_ref_var` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:294:9 [INFO] [stderr] | [INFO] [stderr] 294 | let mut var = 4; [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: `add_ints` [INFO] [stderr] --> src/main.rs:17:4 [INFO] [stderr] | [INFO] [stderr] 17 | fn add_ints(x: i32, y: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add_uints` [INFO] [stderr] --> src/main.rs:23:4 [INFO] [stderr] | [INFO] [stderr] 23 | fn add_uints(x: i32, y: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Left` [INFO] [stderr] --> src/main.rs:138:9 [INFO] [stderr] | [INFO] [stderr] 138 | Left, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Right` [INFO] [stderr] --> src/main.rs:139:9 [INFO] [stderr] | [INFO] [stderr] 139 | Right, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Down` [INFO] [stderr] --> src/main.rs:141:9 [INFO] [stderr] | [INFO] [stderr] 141 | Down, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/main.rs:158:9 [INFO] [stderr] | [INFO] [stderr] 158 | fn new(x: i32) -> OptionalI32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Foo` [INFO] [stderr] --> src/main.rs:211:12 [INFO] [stderr] | [INFO] [stderr] 211 | struct Foo { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `identity` [INFO] [stderr] --> src/main.rs:215:8 [INFO] [stderr] | [INFO] [stderr] 215 | fn identity(x: T) -> T { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 22 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.56s [INFO] running `"docker" "inspect" "158a1ac1bd7cebdab8dc47b23c4bc38ce8760e6ee894d5dbaa35f26444f2ac19"` [INFO] running `"docker" "rm" "-f" "158a1ac1bd7cebdab8dc47b23c4bc38ce8760e6ee894d5dbaa35f26444f2ac19"` [INFO] [stdout] 158a1ac1bd7cebdab8dc47b23c4bc38ce8760e6ee894d5dbaa35f26444f2ac19 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f519a86fe1cebee3db376ad6cb05f052747e9c4a88a378339fcf84afa90833a3 [INFO] running `"docker" "start" "-a" "f519a86fe1cebee3db376ad6cb05f052747e9c4a88a378339fcf84afa90833a3"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling syntax v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let x: i32 = 42; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `implicit_x` [INFO] [stderr] --> src/main.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let implicit_x = 1; [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_implicit_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `implicit_f` [INFO] [stderr] --> src/main.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | let implicit_f = 1.3; [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_implicit_f` [INFO] [stderr] [INFO] [stderr] warning: variable `mutable` is assigned to, but never used [INFO] [stderr] --> src/main.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | let mut mutable = 1; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_mutable` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `mutable` is never read [INFO] [stderr] --> src/main.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | mutable += 2; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `four_ints` [INFO] [stderr] --> src/main.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 71 | let four_ints: [i32; 4] = [1, 2, 3, 4]; [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_four_ints` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `origin` [INFO] [stderr] --> src/main.rs:108:9 [INFO] [stderr] | [INFO] [stderr] 108 | let origin = Point { x: 0, y: 0 }; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `origin2` [INFO] [stderr] --> src/main.rs:113:9 [INFO] [stderr] | [INFO] [stderr] 113 | let origin2 = Point2(0, 0); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `up` [INFO] [stderr] --> src/main.rs:144:9 [INFO] [stderr] | [INFO] [stderr] 144 | let up = Direction::Up; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_up` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `two` [INFO] [stderr] --> src/main.rs:152:9 [INFO] [stderr] | [INFO] [stderr] 152 | let two: OptionalI32 = OptionalI32::AnI32(2); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_two` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `nothing` [INFO] [stderr] --> src/main.rs:153:9 [INFO] [stderr] | [INFO] [stderr] 153 | let nothing = OptionalI32::Nothing; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nothing` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/main.rs:266:9 [INFO] [stderr] | [INFO] [stderr] 266 | let value = if true { "good" } else { "bad" }; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `another_ref_var` [INFO] [stderr] --> src/main.rs:296:9 [INFO] [stderr] | [INFO] [stderr] 296 | let another_ref_var = &var; [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_another_ref_var` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:294:9 [INFO] [stderr] | [INFO] [stderr] 294 | let mut var = 4; [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: `add_ints` [INFO] [stderr] --> src/main.rs:17:4 [INFO] [stderr] | [INFO] [stderr] 17 | fn add_ints(x: i32, y: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add_uints` [INFO] [stderr] --> src/main.rs:23:4 [INFO] [stderr] | [INFO] [stderr] 23 | fn add_uints(x: i32, y: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `"docker" "inspect" "f519a86fe1cebee3db376ad6cb05f052747e9c4a88a378339fcf84afa90833a3"` [INFO] running `"docker" "rm" "-f" "f519a86fe1cebee3db376ad6cb05f052747e9c4a88a378339fcf84afa90833a3"` [INFO] [stdout] f519a86fe1cebee3db376ad6cb05f052747e9c4a88a378339fcf84afa90833a3 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ae6c829a072c67872d510469a700c7d6bfe3497438a34e24b7911d5a2a502e9f [INFO] running `"docker" "start" "-a" "ae6c829a072c67872d510469a700c7d6bfe3497438a34e24b7911d5a2a502e9f"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let x: i32 = 42; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `implicit_x` [INFO] [stderr] --> src/main.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let implicit_x = 1; [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_implicit_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `implicit_f` [INFO] [stderr] --> src/main.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | let implicit_f = 1.3; [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_implicit_f` [INFO] [stderr] [INFO] [stderr] warning: variable `mutable` is assigned to, but never used [INFO] [stderr] --> src/main.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | let mut mutable = 1; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_mutable` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `mutable` is never read [INFO] [stderr] --> src/main.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | mutable += 2; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `four_ints` [INFO] [stderr] --> src/main.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 71 | let four_ints: [i32; 4] = [1, 2, 3, 4]; [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_four_ints` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `origin` [INFO] [stderr] --> src/main.rs:108:9 [INFO] [stderr] | [INFO] [stderr] 108 | let origin = Point { x: 0, y: 0 }; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `origin2` [INFO] [stderr] --> src/main.rs:113:9 [INFO] [stderr] | [INFO] [stderr] 113 | let origin2 = Point2(0, 0); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `up` [INFO] [stderr] --> src/main.rs:144:9 [INFO] [stderr] | [INFO] [stderr] 144 | let up = Direction::Up; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_up` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `two` [INFO] [stderr] --> src/main.rs:152:9 [INFO] [stderr] | [INFO] [stderr] 152 | let two: OptionalI32 = OptionalI32::AnI32(2); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_two` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `nothing` [INFO] [stderr] --> src/main.rs:153:9 [INFO] [stderr] | [INFO] [stderr] 153 | let nothing = OptionalI32::Nothing; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nothing` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/main.rs:266:9 [INFO] [stderr] | [INFO] [stderr] 266 | let value = if true { "good" } else { "bad" }; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `another_ref_var` [INFO] [stderr] --> src/main.rs:296:9 [INFO] [stderr] | [INFO] [stderr] 296 | let another_ref_var = &var; [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_another_ref_var` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:294:9 [INFO] [stderr] | [INFO] [stderr] 294 | let mut var = 4; [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: `add_ints` [INFO] [stderr] --> src/main.rs:17:4 [INFO] [stderr] | [INFO] [stderr] 17 | fn add_ints(x: i32, y: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add_uints` [INFO] [stderr] --> src/main.rs:23:4 [INFO] [stderr] | [INFO] [stderr] 23 | fn add_uints(x: i32, y: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/syntax-bbd6f197649c877f [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test a_unit_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "ae6c829a072c67872d510469a700c7d6bfe3497438a34e24b7911d5a2a502e9f"` [INFO] running `"docker" "rm" "-f" "ae6c829a072c67872d510469a700c7d6bfe3497438a34e24b7911d5a2a502e9f"` [INFO] [stdout] ae6c829a072c67872d510469a700c7d6bfe3497438a34e24b7911d5a2a502e9f