[INFO] updating cached repository https://github.com/maxdotdotg/rust_exercises [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 415483b495fda562ccf51029830316b231861bfb [INFO] testing maxdotdotg/rust_exercises against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxdotdotg%2Frust_exercises" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/maxdotdotg/rust_exercises on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-13/source/Cargo.toml [INFO] crate git repo https://github.com/maxdotdotg/rust_exercises already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 68d3910f2498642c0b799fcb6d7dfeb2270d1d20de5beffac8b86c2a3dc8a37d [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" "68d3910f2498642c0b799fcb6d7dfeb2270d1d20de5beffac8b86c2a3dc8a37d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "68d3910f2498642c0b799fcb6d7dfeb2270d1d20de5beffac8b86c2a3dc8a37d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68d3910f2498642c0b799fcb6d7dfeb2270d1d20de5beffac8b86c2a3dc8a37d", kill_on_drop: false }` [INFO] [stdout] 68d3910f2498642c0b799fcb6d7dfeb2270d1d20de5beffac8b86c2a3dc8a37d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6abd6f653b09171ec062195da45aa67899a697f15935bbcf1c53d61d80faa23 [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" "e6abd6f653b09171ec062195da45aa67899a697f15935bbcf1c53d61d80faa23", kill_on_drop: false }` [INFO] [stderr] Compiling exercises v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type `IpAddrKind_with_types` should have an upper camel case name [INFO] [stdout] --> src/bin/enums.rs:9:6 [INFO] [stdout] | [INFO] [stdout] 9 | enum IpAddrKind_with_types { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IpAddrKindWithTypes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/bin/functions.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let x = 5; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v_four` [INFO] [stdout] --> src/bin/enums.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let v_four = IpAddrKind::V4; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_v_four` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v_six` [INFO] [stdout] --> src/bin/enums.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let v_six = IpAddrKind::V6; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_v_six` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `home` [INFO] [stdout] --> src/bin/enums.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let home = IpAddr { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loopback` [INFO] [stdout] --> src/bin/enums.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let loopback = IpAddr { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loop_again` [INFO] [stdout] --> src/bin/enums.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let loop_again = IpAddrKind_with_types::V6(String::from("::1")); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loop_again` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ip_kind` [INFO] [stdout] --> src/bin/enums.rs:42:10 [INFO] [stdout] | [INFO] [stdout] 42 | fn route(ip_kind: IpAddrKind) { } [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_kind` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `kind` [INFO] [stdout] --> src/bin/enums.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | kind: IpAddrKind, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `address` [INFO] [stdout] --> src/bin/enums.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | address: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `route` [INFO] [stdout] --> src/bin/enums.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn route(ip_kind: IpAddrKind) { } [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `user5` [INFO] [stdout] --> src/bin/struct.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let user5 = User { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_user5` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `color_var` [INFO] [stdout] --> src/bin/struct.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let color_var = Color(0, 0, 0); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_color_var` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `count` is assigned to, but never used [INFO] [stdout] --> src/bin/match.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | let mut count = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_count` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/bin/match.rs:60:14 [INFO] [stdout] | [INFO] [stdout] 60 | _ => count += 1, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `count_2` is assigned to, but never used [INFO] [stdout] --> src/bin/match.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let mut count_2 = 0; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_count_2` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count_2` is never read [INFO] [stdout] --> src/bin/match.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | count_2 += 1; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> src/bin/match.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> src/bin/match.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `six` [INFO] [stdout] --> src/bin/option.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let six = plus_one(five); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `none` [INFO] [stdout] --> src/bin/option.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let none = plus_one(None); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_none` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.34s [INFO] running `Command { std: "docker" "inspect" "e6abd6f653b09171ec062195da45aa67899a697f15935bbcf1c53d61d80faa23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6abd6f653b09171ec062195da45aa67899a697f15935bbcf1c53d61d80faa23", kill_on_drop: false }` [INFO] [stdout] e6abd6f653b09171ec062195da45aa67899a697f15935bbcf1c53d61d80faa23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a769460b78b2c2170db8875b3aee1204262568c6e086bf909d2328df65cfcb5e [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" "a769460b78b2c2170db8875b3aee1204262568c6e086bf909d2328df65cfcb5e", kill_on_drop: false }` [INFO] [stderr] Compiling exercises v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `user5` [INFO] [stdout] --> src/bin/struct.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let user5 = User { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_user5` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `color_var` [INFO] [stdout] --> src/bin/struct.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let color_var = Color(0, 0, 0); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_color_var` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `count` is assigned to, but never used [INFO] [stdout] --> src/bin/match.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | let mut count = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_count` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/bin/match.rs:60:14 [INFO] [stdout] | [INFO] [stdout] 60 | _ => count += 1, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `count_2` is assigned to, but never used [INFO] [stdout] --> src/bin/match.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let mut count_2 = 0; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_count_2` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count_2` is never read [INFO] [stdout] --> src/bin/match.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | count_2 += 1; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `IpAddrKind_with_types` should have an upper camel case name [INFO] [stdout] --> src/bin/enums.rs:9:6 [INFO] [stdout] | [INFO] [stdout] 9 | enum IpAddrKind_with_types { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IpAddrKindWithTypes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> src/bin/match.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> src/bin/match.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/bin/functions.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let x = 5; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v_four` [INFO] [stdout] --> src/bin/enums.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let v_four = IpAddrKind::V4; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_v_four` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v_six` [INFO] [stdout] --> src/bin/enums.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let v_six = IpAddrKind::V6; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_v_six` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `home` [INFO] [stdout] --> src/bin/enums.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let home = IpAddr { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loopback` [INFO] [stdout] --> src/bin/enums.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let loopback = IpAddr { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loop_again` [INFO] [stdout] --> src/bin/enums.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let loop_again = IpAddrKind_with_types::V6(String::from("::1")); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loop_again` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ip_kind` [INFO] [stdout] --> src/bin/enums.rs:42:10 [INFO] [stdout] | [INFO] [stdout] 42 | fn route(ip_kind: IpAddrKind) { } [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_kind` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `kind` [INFO] [stdout] --> src/bin/enums.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | kind: IpAddrKind, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `address` [INFO] [stdout] --> src/bin/enums.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | address: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `route` [INFO] [stdout] --> src/bin/enums.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn route(ip_kind: IpAddrKind) { } [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `six` [INFO] [stdout] --> src/bin/option.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let six = plus_one(five); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `none` [INFO] [stdout] --> src/bin/option.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let none = plus_one(None); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_none` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.83s [INFO] running `Command { std: "docker" "inspect" "a769460b78b2c2170db8875b3aee1204262568c6e086bf909d2328df65cfcb5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a769460b78b2c2170db8875b3aee1204262568c6e086bf909d2328df65cfcb5e", kill_on_drop: false }` [INFO] [stdout] a769460b78b2c2170db8875b3aee1204262568c6e086bf909d2328df65cfcb5e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a08646ac105028ad4fd8c3d7a17745428c53abdc289eee30819953143430acaf [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" "a08646ac105028ad4fd8c3d7a17745428c53abdc289eee30819953143430acaf", kill_on_drop: false }` [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: `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: 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: `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: 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] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/control_flow-2a87457e2d2cf87a [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/enums-ec80f04ffd868e72 [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/functions-3295ae28d1d44d2e [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/match-faf00730507aaaff [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/option-af2e35a12aa17f42 [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/references-a9cf907f3949e939 [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] [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/slice-a2c2809c35b6a545 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/struct-f1b57507ca532ca9 [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] [stderr] Running /opt/rustwide/target/debug/deps/variables-95f0947c5e8cc0a2 [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" "a08646ac105028ad4fd8c3d7a17745428c53abdc289eee30819953143430acaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a08646ac105028ad4fd8c3d7a17745428c53abdc289eee30819953143430acaf", kill_on_drop: false }` [INFO] [stdout] a08646ac105028ad4fd8c3d7a17745428c53abdc289eee30819953143430acaf