[INFO] cloning repository https://github.com/KevRiver/RustPractice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KevRiver/RustPractice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevRiver%2FRustPractice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevRiver%2FRustPractice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 86842a00ee3af7db73be7720af60fba6c3d7b2d1 [INFO] testing KevRiver/RustPractice 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%2FKevRiver%2FRustPractice" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KevRiver/RustPractice 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/KevRiver/RustPractice [INFO] finished tweaking git repo https://github.com/KevRiver/RustPractice [INFO] tweaked toml for git repo https://github.com/KevRiver/RustPractice written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/KevRiver/RustPractice 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4ec0e6b2a37fea81f753678cc533c4ef81879418fb1cdf5e2dc67fda2ca48334 [INFO] running `Command { std: "docker" "start" "-a" "4ec0e6b2a37fea81f753678cc533c4ef81879418fb1cdf5e2dc67fda2ca48334", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ec0e6b2a37fea81f753678cc533c4ef81879418fb1cdf5e2dc67fda2ca48334", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ec0e6b2a37fea81f753678cc533c4ef81879418fb1cdf5e2dc67fda2ca48334", kill_on_drop: false }` [INFO] [stdout] 4ec0e6b2a37fea81f753678cc533c4ef81879418fb1cdf5e2dc67fda2ca48334 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 7cf95fa5246a105aad08fe853635d45d3a02a727cec0c7152a348cbb09b7dd5a [INFO] running `Command { std: "docker" "start" "-a" "7cf95fa5246a105aad08fe853635d45d3a02a727cec0c7152a348cbb09b7dd5a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust_practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `rect3` [INFO] [stdout] --> src/bin/struct_practice.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let rect3 = Rectangle{ height: 45, width: 60}; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_rect3` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `area` [INFO] [stdout] --> src/bin/struct_practice.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | fn area(&self) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Penny` [INFO] [stdout] --> src/bin/flow_control_by_match.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> src/bin/flow_control_by_match.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> src/bin/flow_control_by_match.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.09s [INFO] running `Command { std: "docker" "inspect" "7cf95fa5246a105aad08fe853635d45d3a02a727cec0c7152a348cbb09b7dd5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cf95fa5246a105aad08fe853635d45d3a02a727cec0c7152a348cbb09b7dd5a", kill_on_drop: false }` [INFO] [stdout] 7cf95fa5246a105aad08fe853635d45d3a02a727cec0c7152a348cbb09b7dd5a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] fab2ed3679add72cadd5d1825c225123b23cf68b1db4dd6e524028d822944ea6 [INFO] running `Command { std: "docker" "start" "-a" "fab2ed3679add72cadd5d1825c225123b23cf68b1db4dd6e524028d822944ea6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust_practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `Penny` [INFO] [stdout] --> src/bin/flow_control_by_match.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> src/bin/flow_control_by_match.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> src/bin/flow_control_by_match.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rect3` [INFO] [stdout] --> src/bin/struct_practice.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let rect3 = Rectangle{ height: 45, width: 60}; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_rect3` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `area` [INFO] [stdout] --> src/bin/struct_practice.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | fn area(&self) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 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 0.34s [INFO] [stderr] Executable unittests src/bin/enum_practice.rs (/opt/rustwide/target/debug/deps/enum_practice-b002c1f1b6b89bed) [INFO] [stderr] Executable unittests src/bin/flow_control_by_match.rs (/opt/rustwide/target/debug/deps/flow_control_by_match-35c905b14a080401) [INFO] [stderr] Executable unittests src/bin/ownership_practice.rs (/opt/rustwide/target/debug/deps/ownership_practice-1435e2c2dbbdc371) [INFO] [stderr] Executable unittests src/bin/slice_practice.rs (/opt/rustwide/target/debug/deps/slice_practice-913c3c2e590d10f9) [INFO] [stderr] Executable unittests src/bin/struct_practice.rs (/opt/rustwide/target/debug/deps/struct_practice-60725c6692d7f980) [INFO] running `Command { std: "docker" "inspect" "fab2ed3679add72cadd5d1825c225123b23cf68b1db4dd6e524028d822944ea6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fab2ed3679add72cadd5d1825c225123b23cf68b1db4dd6e524028d822944ea6", kill_on_drop: false }` [INFO] [stdout] fab2ed3679add72cadd5d1825c225123b23cf68b1db4dd6e524028d822944ea6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 5948f8fdf87edad8dedbdb3c536b4101627f765fef22b8e14cf4135516699093 [INFO] running `Command { std: "docker" "start" "-a" "5948f8fdf87edad8dedbdb3c536b4101627f765fef22b8e14cf4135516699093", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `rect3` [INFO] [stderr] --> src/bin/struct_practice.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let rect3 = Rectangle{ height: 45, width: 60}; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_rect3` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `area` [INFO] [stderr] --> src/bin/struct_practice.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | fn area(&self) -> u32 { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rust_practice` (bin "struct_practice" test) generated 2 warnings [INFO] [stderr] warning: variant is never constructed: `Penny` [INFO] [stderr] --> src/bin/flow_control_by_match.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | Penny, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nickel` [INFO] [stderr] --> src/bin/flow_control_by_match.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | Nickel, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Dime` [INFO] [stderr] --> src/bin/flow_control_by_match.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | Dime, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rust_practice` (bin "flow_control_by_match" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.75s [INFO] [stderr] Running unittests src/bin/enum_practice.rs (/opt/rustwide/target/debug/deps/enum_practice-b002c1f1b6b89bed) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/flow_control_by_match.rs (/opt/rustwide/target/debug/deps/flow_control_by_match-35c905b14a080401) [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/ownership_practice.rs (/opt/rustwide/target/debug/deps/ownership_practice-1435e2c2dbbdc371) [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [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; finished in 0.37s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/slice_practice.rs (/opt/rustwide/target/debug/deps/slice_practice-913c3c2e590d10f9) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/struct_practice.rs (/opt/rustwide/target/debug/deps/struct_practice-60725c6692d7f980) [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s [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; finished in 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5948f8fdf87edad8dedbdb3c536b4101627f765fef22b8e14cf4135516699093", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5948f8fdf87edad8dedbdb3c536b4101627f765fef22b8e14cf4135516699093", kill_on_drop: false }` [INFO] [stdout] 5948f8fdf87edad8dedbdb3c536b4101627f765fef22b8e14cf4135516699093