[INFO] fetching crate configurs 0.1.1...
[INFO] testing configurs-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate configurs 0.1.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate configurs 0.1.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate configurs 0.1.1
[INFO] finished tweaking crates.io crate configurs 0.1.1
[INFO] tweaked toml for crates.io crate configurs 0.1.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7eeac35c644d9e5b09194efd324b2c552228253215851d4fb63dd6820ab31c5c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7eeac35c644d9e5b09194efd324b2c552228253215851d4fb63dd6820ab31c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7eeac35c644d9e5b09194efd324b2c552228253215851d4fb63dd6820ab31c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eeac35c644d9e5b09194efd324b2c552228253215851d4fb63dd6820ab31c5c", kill_on_drop: false }`
[INFO] [stdout] 7eeac35c644d9e5b09194efd324b2c552228253215851d4fb63dd6820ab31c5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bb4f25b2780b3f0c628eb7ba7a899245b3185da42cb29637c023da4d0478b4b7
[INFO] running `Command { std: "docker" "start" "-a" "bb4f25b2780b3f0c628eb7ba7a899245b3185da42cb29637c023da4d0478b4b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling configurs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "bb4f25b2780b3f0c628eb7ba7a899245b3185da42cb29637c023da4d0478b4b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4f25b2780b3f0c628eb7ba7a899245b3185da42cb29637c023da4d0478b4b7", kill_on_drop: false }`
[INFO] [stdout] bb4f25b2780b3f0c628eb7ba7a899245b3185da42cb29637c023da4d0478b4b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51890710e96759a802f76fc2a778d31a70e0917156d5e5cf3f87394fdb0e6dfa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "51890710e96759a802f76fc2a778d31a70e0917156d5e5cf3f87394fdb0e6dfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling serial_test_derive v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serial_test v0.4.0
[INFO] [stderr]    Compiling configurs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `configurs_derive`
[INFO] [stdout]   --> src/lib.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     use configurs_derive::{Configuration};
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ use of undeclared crate or module `configurs_derive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Configuration`
[INFO] [stdout]   --> src/lib.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     #[derive(Configuration, Debug, Deserialize)]
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `env` in this scope
[INFO] [stdout]   --> src/lib.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 |         #[env="CI"]
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            core::env
[INFO] [stdout]            std::env
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `default` in this scope
[INFO] [stdout]   --> src/lib.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 |         #[default="bla"]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Configuration`
[INFO] [stdout]   --> src/lib.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |     #[derive(Configuration, Debug, Deserialize)]
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `env` in this scope
[INFO] [stdout]   --> src/lib.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 |         #[env="PORT"]
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            core::env
[INFO] [stdout]            std::env
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `default` in this scope
[INFO] [stdout]   --> src/lib.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 |         #[default="8088"]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `env` in this scope
[INFO] [stdout]   --> src/lib.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 38 |         #[env="CONFIGURATION_ITEM"]
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            core::env
[INFO] [stdout]            std::env
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `default` in this scope
[INFO] [stdout]   --> src/lib.rs:39:11
[INFO] [stdout]    |
[INFO] [stdout] 39 |         #[default="configuration_item"]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `env` in this scope
[INFO] [stdout]   --> src/lib.rs:42:11
[INFO] [stdout]    |
[INFO] [stdout] 42 |         #[env="CONFIGURATION_ITEM_OTHER"]
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            core::env
[INFO] [stdout]            std::env
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `default` in this scope
[INFO] [stdout]   --> src/lib.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 |         #[default="configuration_item_other"]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `default` in this scope
[INFO] [stdout]   --> src/lib.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 |         #[default]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Config: Default` is not satisfied
[INFO] [stdout]   --> src/lib.rs:31:36
[INFO] [stdout]    |
[INFO] [stdout] 31 |     #[derive(Configuration, Debug, Deserialize)]
[INFO] [stdout]    |                                    ^^^^^^^^^^^ the trait `Default` is not implemented for `Config`
[INFO] [stdout]    |
[INFO] [stdout]    = help: see issue #48214
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `configurs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "51890710e96759a802f76fc2a778d31a70e0917156d5e5cf3f87394fdb0e6dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51890710e96759a802f76fc2a778d31a70e0917156d5e5cf3f87394fdb0e6dfa", kill_on_drop: false }`
[INFO] [stdout] 51890710e96759a802f76fc2a778d31a70e0917156d5e5cf3f87394fdb0e6dfa