[INFO] updating cached repository https://github.com/maxdotdotg/rust_exercises [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] 415483b495fda562ccf51029830316b231861bfb [INFO] testing maxdotdotg/rust_exercises against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxdotdotg%2Frust_exercises" "/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/maxdotdotg/rust_exercises on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/maxdotdotg/rust_exercises [INFO] finished tweaking git repo https://github.com/maxdotdotg/rust_exercises [INFO] tweaked toml for git repo https://github.com/maxdotdotg/rust_exercises written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/maxdotdotg/rust_exercises already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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" "+beta-2020-06-03" "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] bb46bf5f4d14fc1940d60163aa8c5820ab87f5e2684d0af01c6ae7f4eb34a75f [INFO] running `"docker" "start" "-a" "bb46bf5f4d14fc1940d60163aa8c5820ab87f5e2684d0af01c6ae7f4eb34a75f"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling exercises v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: type `IpAddrKind_with_types` should have an upper camel case name [INFO] [stderr] --> src/bin/enums.rs:9:6 [INFO] [stderr] | [INFO] [stderr] 9 | enum IpAddrKind_with_types { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IpAddrKindWithTypes` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v_four` [INFO] [stderr] --> src/bin/enums.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | let v_four = IpAddrKind::V4; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_v_four` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v_six` [INFO] [stderr] --> src/bin/enums.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let v_six = IpAddrKind::V6; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_v_six` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `home` [INFO] [stderr] --> src/bin/enums.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | let home = IpAddr { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `loopback` [INFO] [stderr] --> src/bin/enums.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let loopback = IpAddr { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `loop_again` [INFO] [stderr] --> src/bin/enums.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | let loop_again = IpAddrKind_with_types::V6(String::from("::1")); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loop_again` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ip_kind` [INFO] [stderr] --> src/bin/enums.rs:42:10 [INFO] [stderr] | [INFO] [stderr] 42 | fn route(ip_kind: IpAddrKind) { } [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_kind` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `kind` [INFO] [stderr] --> src/bin/enums.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | kind: IpAddrKind, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `address` [INFO] [stderr] --> src/bin/enums.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | address: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `route` [INFO] [stderr] --> src/bin/enums.rs:42:4 [INFO] [stderr] | [INFO] [stderr] 42 | fn route(ip_kind: IpAddrKind) { } [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `user5` [INFO] [stderr] --> src/bin/struct.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | let user5 = User { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_user5` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `color_var` [INFO] [stderr] --> src/bin/struct.rs:63:9 [INFO] [stderr] | [INFO] [stderr] 63 | let color_var = Color(0, 0, 0); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_color_var` [INFO] [stderr] [INFO] [stderr] warning: variable `count` is assigned to, but never used [INFO] [stderr] --> src/bin/match.rs:56:9 [INFO] [stderr] | [INFO] [stderr] 56 | let mut count = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_count` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `count` is never read [INFO] [stderr] --> src/bin/match.rs:60:14 [INFO] [stderr] | [INFO] [stderr] 60 | _ => count += 1, [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: variable `count_2` is assigned to, but never used [INFO] [stderr] --> src/bin/match.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let mut count_2 = 0; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_count_2` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `count_2` is never read [INFO] [stderr] --> src/bin/match.rs:73:9 [INFO] [stderr] | [INFO] [stderr] 73 | count_2 += 1; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nickel` [INFO] [stderr] --> src/bin/match.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Nickel, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Dime` [INFO] [stderr] --> src/bin/match.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | Dime, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/bin/functions.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | let x = 5; [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: `six` [INFO] [stderr] --> src/bin/option.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let six = plus_one(five); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `none` [INFO] [stderr] --> src/bin/option.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let none = plus_one(None); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_none` [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.23s [INFO] running `"docker" "inspect" "bb46bf5f4d14fc1940d60163aa8c5820ab87f5e2684d0af01c6ae7f4eb34a75f"` [INFO] running `"docker" "rm" "-f" "bb46bf5f4d14fc1940d60163aa8c5820ab87f5e2684d0af01c6ae7f4eb34a75f"` [INFO] [stdout] bb46bf5f4d14fc1940d60163aa8c5820ab87f5e2684d0af01c6ae7f4eb34a75f [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" "+beta-2020-06-03" "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] e8a8d7c4c9d062d51ca7625a73496660d67ec2e7e861a55151639ec80e2d87d8 [INFO] running `"docker" "start" "-a" "e8a8d7c4c9d062d51ca7625a73496660d67ec2e7e861a55151639ec80e2d87d8"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling exercises v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable `count` is assigned to, but never used [INFO] [stderr] --> src/bin/match.rs:56:9 [INFO] [stderr] | [INFO] [stderr] 56 | let mut count = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_count` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `count` is never read [INFO] [stderr] --> src/bin/match.rs:60:14 [INFO] [stderr] | [INFO] [stderr] 60 | _ => count += 1, [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: variable `count_2` is assigned to, but never used [INFO] [stderr] --> src/bin/match.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let mut count_2 = 0; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_count_2` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `count_2` is never read [INFO] [stderr] --> src/bin/match.rs:73:9 [INFO] [stderr] | [INFO] [stderr] 73 | count_2 += 1; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nickel` [INFO] [stderr] --> src/bin/match.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Nickel, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Dime` [INFO] [stderr] --> src/bin/match.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | Dime, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: type `IpAddrKind_with_types` should have an upper camel case name [INFO] [stderr] --> src/bin/enums.rs:9:6 [INFO] [stderr] | [INFO] [stderr] 9 | enum IpAddrKind_with_types { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IpAddrKindWithTypes` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/bin/functions.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | let x = 5; [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: `user5` [INFO] [stderr] --> src/bin/struct.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | let user5 = User { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_user5` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `color_var` [INFO] [stderr] --> src/bin/struct.rs:63:9 [INFO] [stderr] | [INFO] [stderr] 63 | let color_var = Color(0, 0, 0); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_color_var` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `six` [INFO] [stderr] --> src/bin/option.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let six = plus_one(five); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `none` [INFO] [stderr] --> src/bin/option.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let none = plus_one(None); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_none` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v_four` [INFO] [stderr] --> src/bin/enums.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | let v_four = IpAddrKind::V4; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_v_four` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v_six` [INFO] [stderr] --> src/bin/enums.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let v_six = IpAddrKind::V6; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_v_six` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `home` [INFO] [stderr] --> src/bin/enums.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | let home = IpAddr { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `loopback` [INFO] [stderr] --> src/bin/enums.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let loopback = IpAddr { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `loop_again` [INFO] [stderr] --> src/bin/enums.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | let loop_again = IpAddrKind_with_types::V6(String::from("::1")); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loop_again` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ip_kind` [INFO] [stderr] --> src/bin/enums.rs:42:10 [INFO] [stderr] | [INFO] [stderr] 42 | fn route(ip_kind: IpAddrKind) { } [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_kind` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `kind` [INFO] [stderr] --> src/bin/enums.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | kind: IpAddrKind, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `address` [INFO] [stderr] --> src/bin/enums.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | address: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `route` [INFO] [stderr] --> src/bin/enums.rs:42:4 [INFO] [stderr] | [INFO] [stderr] 42 | fn route(ip_kind: IpAddrKind) { } [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.05s [INFO] running `"docker" "inspect" "e8a8d7c4c9d062d51ca7625a73496660d67ec2e7e861a55151639ec80e2d87d8"` [INFO] running `"docker" "rm" "-f" "e8a8d7c4c9d062d51ca7625a73496660d67ec2e7e861a55151639ec80e2d87d8"` [INFO] [stdout] e8a8d7c4c9d062d51ca7625a73496660d67ec2e7e861a55151639ec80e2d87d8 [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" "+beta-2020-06-03" "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] 93dd3ec5b4156983bf1c20efbe3b8e3762f7f55ec68c1b37aa6e2dd81e34abee [INFO] running `"docker" "start" "-a" "93dd3ec5b4156983bf1c20efbe3b8e3762f7f55ec68c1b37aa6e2dd81e34abee"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/bin/functions.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | let x = 5; [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `user5` [INFO] [stderr] --> src/bin/struct.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | let user5 = User { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_user5` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `color_var` [INFO] [stderr] --> src/bin/struct.rs:63:9 [INFO] [stderr] | [INFO] [stderr] 63 | let color_var = Color(0, 0, 0); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_color_var` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `six` [INFO] [stderr] --> src/bin/option.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let six = plus_one(five); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `none` [INFO] [stderr] --> src/bin/option.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let none = plus_one(None); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_none` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable `count` is assigned to, but never used [INFO] [stderr] --> src/bin/match.rs:56:9 [INFO] [stderr] | [INFO] [stderr] 56 | let mut count = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_count` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `count` is never read [INFO] [stderr] --> src/bin/match.rs:60:14 [INFO] [stderr] | [INFO] [stderr] 60 | _ => count += 1, [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: variable `count_2` is assigned to, but never used [INFO] [stderr] --> src/bin/match.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let mut count_2 = 0; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_count_2` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `count_2` is never read [INFO] [stderr] --> src/bin/match.rs:73:9 [INFO] [stderr] | [INFO] [stderr] 73 | count_2 += 1; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nickel` [INFO] [stderr] --> src/bin/match.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Nickel, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Dime` [INFO] [stderr] --> src/bin/match.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | Dime, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: type `IpAddrKind_with_types` should have an upper camel case name [INFO] [stderr] --> src/bin/enums.rs:9:6 [INFO] [stderr] | [INFO] [stderr] 9 | enum IpAddrKind_with_types { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IpAddrKindWithTypes` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v_four` [INFO] [stderr] --> src/bin/enums.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | let v_four = IpAddrKind::V4; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_v_four` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v_six` [INFO] [stderr] --> src/bin/enums.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let v_six = IpAddrKind::V6; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_v_six` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `home` [INFO] [stderr] --> src/bin/enums.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | let home = IpAddr { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `loopback` [INFO] [stderr] --> src/bin/enums.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let loopback = IpAddr { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `loop_again` [INFO] [stderr] --> src/bin/enums.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | let loop_again = IpAddrKind_with_types::V6(String::from("::1")); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loop_again` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ip_kind` [INFO] [stderr] --> src/bin/enums.rs:42:10 [INFO] [stderr] | [INFO] [stderr] 42 | fn route(ip_kind: IpAddrKind) { } [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_kind` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `kind` [INFO] [stderr] --> src/bin/enums.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | kind: IpAddrKind, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `address` [INFO] [stderr] --> src/bin/enums.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | address: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `route` [INFO] [stderr] --> src/bin/enums.rs:42:4 [INFO] [stderr] | [INFO] [stderr] 42 | fn route(ip_kind: IpAddrKind) { } [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/control_flow-edaa298ad2340abe [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/enums-4db16a13c3bda085 [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] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/functions-ba143e617a4f6148 [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/match-47d192f855c2d7ed [INFO] [stdout] [INFO] [stdout] test result: ok. 0 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/option-f611341507a60fd7 [INFO] [stderr] Running /opt/rustwide/target/debug/deps/references-3b98627ffd124499 [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] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/slice-3b2bf152454ec611 [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] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/struct-826e2efff314afda [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] [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] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/variables-6e4a0511d8af66f9 [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 `"docker" "inspect" "93dd3ec5b4156983bf1c20efbe3b8e3762f7f55ec68c1b37aa6e2dd81e34abee"` [INFO] running `"docker" "rm" "-f" "93dd3ec5b4156983bf1c20efbe3b8e3762f7f55ec68c1b37aa6e2dd81e34abee"` [INFO] [stdout] 93dd3ec5b4156983bf1c20efbe3b8e3762f7f55ec68c1b37aa6e2dd81e34abee