[INFO] cloning repository https://github.com/ahmadaliadeel/uw-task1 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahmadaliadeel/uw-task1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahmadaliadeel%2Fuw-task1", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahmadaliadeel%2Fuw-task1'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 967e8d09b9a376efccf91bb8802eb872088fbbcb [INFO] testing ahmadaliadeel/uw-task1 against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahmadaliadeel%2Fuw-task1" "/workspace/builds/worker-18/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ahmadaliadeel/uw-task1 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ahmadaliadeel/uw-task1 [INFO] finished tweaking git repo https://github.com/ahmadaliadeel/uw-task1 [INFO] tweaked toml for git repo https://github.com/ahmadaliadeel/uw-task1 written to /workspace/builds/worker-18/source/Cargo.toml [INFO] crate git repo https://github.com/ahmadaliadeel/uw-task1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 504470bad633bbd7ca21d6654f501962f68a0a2275d4944b6db42e2a975166c3 [INFO] running `Command { std: "docker" "start" "-a" "504470bad633bbd7ca21d6654f501962f68a0a2275d4944b6db42e2a975166c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "504470bad633bbd7ca21d6654f501962f68a0a2275d4944b6db42e2a975166c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "504470bad633bbd7ca21d6654f501962f68a0a2275d4944b6db42e2a975166c3", kill_on_drop: false }` [INFO] [stdout] 504470bad633bbd7ca21d6654f501962f68a0a2275d4944b6db42e2a975166c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d97dd7ec91f80a09b2adf4a26c7ab6697031115ad21ce02f205401695cbbb406 [INFO] running `Command { std: "docker" "start" "-a" "d97dd7ec91f80a09b2adf4a26c7ab6697031115ad21ce02f205401695cbbb406", kill_on_drop: false }` [INFO] [stderr] Compiling uw-rust-task-1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `Num` [INFO] [stdout] --> src/lib.rs:6:3 [INFO] [stdout] | [INFO] [stdout] 6 | Num(u32), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Value` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Debug, Hash, PartialEq, Eq)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Any` [INFO] [stdout] --> src/lib.rs:7:3 [INFO] [stdout] | [INFO] [stdout] 7 | Any, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `Value` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Debug, Hash, PartialEq, Eq)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `contains` [INFO] [stdout] --> src/lib.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn contains(list : &HashSet, value : u32) -> bool [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `attempt` [INFO] [stdout] --> src/lib.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn attempt(available2 : &Vec, allowed : &HashSet, prefered : &mut Vec) -> HashSet [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.81s [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d97dd7ec91f80a09b2adf4a26c7ab6697031115ad21ce02f205401695cbbb406", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d97dd7ec91f80a09b2adf4a26c7ab6697031115ad21ce02f205401695cbbb406", kill_on_drop: false }` [INFO] [stdout] d97dd7ec91f80a09b2adf4a26c7ab6697031115ad21ce02f205401695cbbb406 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a2a9e9fd7b28ff7bac10bcca9dd8a0b184d74b8af0d6adb4fc8340930bbd56d [INFO] running `Command { std: "docker" "start" "-a" "0a2a9e9fd7b28ff7bac10bcca9dd8a0b184d74b8af0d6adb4fc8340930bbd56d", kill_on_drop: false }` [INFO] [stdout] warning: variant is never constructed: `Num` [INFO] [stdout] --> src/lib.rs:6:3 [INFO] [stdout] | [INFO] [stdout] 6 | Num(u32), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Value` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Debug, Hash, PartialEq, Eq)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling uw-rust-task-1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `Any` [INFO] [stdout] --> src/lib.rs:7:3 [INFO] [stdout] | [INFO] [stdout] 7 | Any, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `Value` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Debug, Hash, PartialEq, Eq)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `contains` [INFO] [stdout] --> src/lib.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn contains(list : &HashSet, value : u32) -> bool [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `attempt` [INFO] [stdout] --> src/lib.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn attempt(available2 : &Vec, allowed : &HashSet, prefered : &mut Vec) -> HashSet [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.56s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/uw_rust_task_1-147f8214d1a4db6e) [INFO] running `Command { std: "docker" "inspect" "0a2a9e9fd7b28ff7bac10bcca9dd8a0b184d74b8af0d6adb4fc8340930bbd56d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a2a9e9fd7b28ff7bac10bcca9dd8a0b184d74b8af0d6adb4fc8340930bbd56d", kill_on_drop: false }` [INFO] [stdout] 0a2a9e9fd7b28ff7bac10bcca9dd8a0b184d74b8af0d6adb4fc8340930bbd56d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4e7046c096d11c679f732577d906033156e19981daf234a1a6a88dc0b04fd2dc [INFO] running `Command { std: "docker" "start" "-a" "4e7046c096d11c679f732577d906033156e19981daf234a1a6a88dc0b04fd2dc", kill_on_drop: false }` [INFO] [stderr] warning: variant is never constructed: `Num` [INFO] [stderr] --> src/lib.rs:6:3 [INFO] [stderr] | [INFO] [stderr] 6 | Num(u32), [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Value` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/lib.rs:3:10 [INFO] [stderr] | [INFO] [stderr] 3 | #[derive(Debug, Hash, PartialEq, Eq)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Any` [INFO] [stderr] --> src/lib.rs:7:3 [INFO] [stderr] | [INFO] [stderr] 7 | Any, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: `Value` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/lib.rs:3:10 [INFO] [stderr] | [INFO] [stderr] 3 | #[derive(Debug, Hash, PartialEq, Eq)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: function is never used: `contains` [INFO] [stderr] --> src/lib.rs:11:4 [INFO] [stderr] | [INFO] [stderr] 11 | fn contains(list : &HashSet, value : u32) -> bool [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `attempt` [INFO] [stderr] --> src/lib.rs:38:4 [INFO] [stderr] | [INFO] [stderr] 38 | fn attempt(available2 : &Vec, allowed : &HashSet, prefered : &mut Vec) -> HashSet [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `uw-rust-task-1` (lib) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/uw_rust_task_1-147f8214d1a4db6e) [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test tests::case_x_2 ... ok [INFO] [stdout] test tests::case_x_3 ... ok [INFO] [stdout] test tests::case_x_6 ... ok [INFO] [stdout] test tests::case_x_1 ... ok [INFO] [stdout] test tests::case_x_4 ... ok [INFO] [stdout] test tests::case_x_5 ... ok [INFO] [stdout] test tests::case_x_7 ... ok [INFO] [stdout] test tests::case_x_8 ... ok [INFO] [stdout] test tests::case_xs_1 ... ok [INFO] [stdout] test tests::case_xs_2 ... ok [INFO] [stdout] test tests::case_xs_4 ... ok [INFO] [stdout] test tests::case_xs_3 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests uw-rust-task-1 [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4e7046c096d11c679f732577d906033156e19981daf234a1a6a88dc0b04fd2dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e7046c096d11c679f732577d906033156e19981daf234a1a6a88dc0b04fd2dc", kill_on_drop: false }` [INFO] [stdout] 4e7046c096d11c679f732577d906033156e19981daf234a1a6a88dc0b04fd2dc