[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 1.59.0 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-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/parduhn/rs-playground on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-13/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ed7b7ef00df33453920fde15b23258155cb6ba0cd7b4e3d63be3717a6a8fb27
[INFO] running `Command { std: "docker" "start" "-a" "2ed7b7ef00df33453920fde15b23258155cb6ba0cd7b4e3d63be3717a6a8fb27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ed7b7ef00df33453920fde15b23258155cb6ba0cd7b4e3d63be3717a6a8fb27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed7b7ef00df33453920fde15b23258155cb6ba0cd7b4e3d63be3717a6a8fb27", kill_on_drop: false }`
[INFO] [stdout] 2ed7b7ef00df33453920fde15b23258155cb6ba0cd7b4e3d63be3717a6a8fb27
[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" "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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d9a69948322cca6e1517501cd432ab7e28d80235bf4dd14bc28704dd812f755
[INFO] running `Command { std: "docker" "start" "-a" "7d9a69948322cca6e1517501cd432ab7e28d80235bf4dd14bc28704dd812f755", 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 0.35s
[INFO] running `Command { std: "docker" "inspect" "7d9a69948322cca6e1517501cd432ab7e28d80235bf4dd14bc28704dd812f755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d9a69948322cca6e1517501cd432ab7e28d80235bf4dd14bc28704dd812f755", kill_on_drop: false }`
[INFO] [stdout] 7d9a69948322cca6e1517501cd432ab7e28d80235bf4dd14bc28704dd812f755
[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" "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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64b9851367042753423b9792e9eea1d9161b7876644022a9f52d48a7cedd12b2
[INFO] running `Command { std: "docker" "start" "-a" "64b9851367042753423b9792e9eea1d9161b7876644022a9f52d48a7cedd12b2", 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 0.63s
[INFO] running `Command { std: "docker" "inspect" "64b9851367042753423b9792e9eea1d9161b7876644022a9f52d48a7cedd12b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64b9851367042753423b9792e9eea1d9161b7876644022a9f52d48a7cedd12b2", kill_on_drop: false }`
[INFO] [stdout] 64b9851367042753423b9792e9eea1d9161b7876644022a9f52d48a7cedd12b2
[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" "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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 128b5f5427fdbd292590ea6e7cf678fdf28f5c8c22e411484b7f401739910065
[INFO] running `Command { std: "docker" "start" "-a" "128b5f5427fdbd292590ea6e7cf678fdf28f5c8c22e411484b7f401739910065", 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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/playground-6caa41f6c1acb86d)
[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" "128b5f5427fdbd292590ea6e7cf678fdf28f5c8c22e411484b7f401739910065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "128b5f5427fdbd292590ea6e7cf678fdf28f5c8c22e411484b7f401739910065", kill_on_drop: false }`
[INFO] [stdout] 128b5f5427fdbd292590ea6e7cf678fdf28f5c8c22e411484b7f401739910065