[INFO] fetching crate bigml_derive 0.4.0...
[INFO] testing bigml_derive-0.4.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate bigml_derive 0.4.0 into /workspace/builds/worker-95/source
[INFO] validating manifest of crates.io crate bigml_derive 0.4.0 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 crates.io crate bigml_derive 0.4.0
[INFO] finished tweaking crates.io crate bigml_derive 0.4.0
[INFO] tweaked toml for crates.io crate bigml_derive 0.4.0 written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] 7681ed48626a1e78e7bbfbfbfb3c5ed1741d11eaa2f2239c2f1cdf605d41ea88
[INFO] running `Command { std: "docker" "start" "-a" "7681ed48626a1e78e7bbfbfbfb3c5ed1741d11eaa2f2239c2f1cdf605d41ea88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7681ed48626a1e78e7bbfbfbfb3c5ed1741d11eaa2f2239c2f1cdf605d41ea88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7681ed48626a1e78e7bbfbfbfb3c5ed1741d11eaa2f2239c2f1cdf605d41ea88", kill_on_drop: false }`
[INFO] [stdout] 7681ed48626a1e78e7bbfbfbfb3c5ed1741d11eaa2f2239c2f1cdf605d41ea88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] 8f093fd843116a0e261299b21bc85bb33ad2bca42980b5c1f4cc0c9e357cf33c
[INFO] running `Command { std: "docker" "start" "-a" "8f093fd843116a0e261299b21bc85bb33ad2bca42980b5c1f4cc0c9e357cf33c", kill_on_drop: false }`
[INFO] [stderr]    Compiling bigml_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `flatten`
[INFO] [stdout]   --> src/updatable.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     flatten: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `UpdatableFieldOptions` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/updatable.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 | #[derive(Debug, Default)]
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "8f093fd843116a0e261299b21bc85bb33ad2bca42980b5c1f4cc0c9e357cf33c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f093fd843116a0e261299b21bc85bb33ad2bca42980b5c1f4cc0c9e357cf33c", kill_on_drop: false }`
[INFO] [stdout] 8f093fd843116a0e261299b21bc85bb33ad2bca42980b5c1f4cc0c9e357cf33c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] 5846dcce6caf713bd23454f351db5e3e9055e6dff63d8a27d689d2ae7ca37543
[INFO] running `Command { std: "docker" "start" "-a" "5846dcce6caf713bd23454f351db5e3e9055e6dff63d8a27d689d2ae7ca37543", kill_on_drop: false }`
[INFO] [stderr]    Compiling bigml_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `flatten`
[INFO] [stdout]   --> src/updatable.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     flatten: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `UpdatableFieldOptions` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/updatable.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 | #[derive(Debug, Default)]
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flatten`
[INFO] [stdout]   --> src/updatable.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     flatten: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `UpdatableFieldOptions` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/updatable.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 | #[derive(Debug, Default)]
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "5846dcce6caf713bd23454f351db5e3e9055e6dff63d8a27d689d2ae7ca37543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5846dcce6caf713bd23454f351db5e3e9055e6dff63d8a27d689d2ae7ca37543", kill_on_drop: false }`
[INFO] [stdout] 5846dcce6caf713bd23454f351db5e3e9055e6dff63d8a27d689d2ae7ca37543
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] eb885daee8d0d1112f1017af43deea1e40e671f57bda04a9055948d905e3302d
[INFO] running `Command { std: "docker" "start" "-a" "eb885daee8d0d1112f1017af43deea1e40e671f57bda04a9055948d905e3302d", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `flatten`
[INFO] [stderr]   --> src/updatable.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     flatten: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `UpdatableFieldOptions` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/updatable.rs:66:10
[INFO] [stderr]    |
[INFO] [stderr] 66 | #[derive(Debug, Default)]
[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: `bigml_derive` (lib) generated 1 warning
[INFO] [stderr] warning: `bigml_derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bigml_derive-9962d0e230030375)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bigml_derive
[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] [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" "eb885daee8d0d1112f1017af43deea1e40e671f57bda04a9055948d905e3302d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb885daee8d0d1112f1017af43deea1e40e671f57bda04a9055948d905e3302d", kill_on_drop: false }`
[INFO] [stdout] eb885daee8d0d1112f1017af43deea1e40e671f57bda04a9055948d905e3302d