[INFO] cloning repository https://github.com/parduhn/rs-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/parduhn/rs-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparduhn%2Frs-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparduhn%2Frs-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74f845f888c0fc49d8eef967f0cd0f36a4d3a0bf
[INFO] testing parduhn/rs-playground against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparduhn%2Frs-playground" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/parduhn/rs-playground on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/parduhn/rs-playground
[INFO] finished tweaking git repo https://github.com/parduhn/rs-playground
[INFO] tweaked toml for git repo https://github.com/parduhn/rs-playground written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/parduhn/rs-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6da58f08dfd761338f5ecf30501335d5c196eec3f1391ae3a32a4f94d5b244a
[INFO] running `Command { std: "docker" "start" "-a" "e6da58f08dfd761338f5ecf30501335d5c196eec3f1391ae3a32a4f94d5b244a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6da58f08dfd761338f5ecf30501335d5c196eec3f1391ae3a32a4f94d5b244a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6da58f08dfd761338f5ecf30501335d5c196eec3f1391ae3a32a4f94d5b244a", kill_on_drop: false }`
[INFO] [stdout] e6da58f08dfd761338f5ecf30501335d5c196eec3f1391ae3a32a4f94d5b244a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22eb3881a391b5b8c06187f85c833b978a2296d218349aa2b9ae70c256b3d7d6
[INFO] running `Command { std: "docker" "start" "-a" "22eb3881a391b5b8c06187f85c833b978a2296d218349aa2b9ae70c256b3d7d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `standard_article`
[INFO] [stdout]   --> src/traits.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let standard_article = StandardArticle {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_standard_article`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "22eb3881a391b5b8c06187f85c833b978a2296d218349aa2b9ae70c256b3d7d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22eb3881a391b5b8c06187f85c833b978a2296d218349aa2b9ae70c256b3d7d6", kill_on_drop: false }`
[INFO] [stdout] 22eb3881a391b5b8c06187f85c833b978a2296d218349aa2b9ae70c256b3d7d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fed78cc2aa24cf186bef2e86d30025b3a1795845834855788148a390189651f
[INFO] running `Command { std: "docker" "start" "-a" "6fed78cc2aa24cf186bef2e86d30025b3a1795845834855788148a390189651f", kill_on_drop: false }`
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `standard_article`
[INFO] [stdout]   --> src/traits.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let standard_article = StandardArticle {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_standard_article`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "6fed78cc2aa24cf186bef2e86d30025b3a1795845834855788148a390189651f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fed78cc2aa24cf186bef2e86d30025b3a1795845834855788148a390189651f", kill_on_drop: false }`
[INFO] [stdout] 6fed78cc2aa24cf186bef2e86d30025b3a1795845834855788148a390189651f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16ea17042712221896d705968ad887bdefa801e1bd0ef84202d238f05db4860f
[INFO] running `Command { std: "docker" "start" "-a" "16ea17042712221896d705968ad887bdefa801e1bd0ef84202d238f05db4860f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `standard_article`
[INFO] [stderr]   --> src/traits.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let standard_article = StandardArticle {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_standard_article`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `playground` (bin "playground" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/playground-28c719ff76e14141)
[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" "16ea17042712221896d705968ad887bdefa801e1bd0ef84202d238f05db4860f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ea17042712221896d705968ad887bdefa801e1bd0ef84202d238f05db4860f", kill_on_drop: false }`
[INFO] [stdout] 16ea17042712221896d705968ad887bdefa801e1bd0ef84202d238f05db4860f