[INFO] fetching crate enumerate 0.1.1...
[INFO] testing enumerate-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate enumerate 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate enumerate 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enumerate 0.1.1
[INFO] finished tweaking crates.io crate enumerate 0.1.1
[INFO] tweaked toml for crates.io crate enumerate 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df93cdb950e20740110ffff8b60130fa48437cd6eda132a4b779b650dd048809
[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" "df93cdb950e20740110ffff8b60130fa48437cd6eda132a4b779b650dd048809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df93cdb950e20740110ffff8b60130fa48437cd6eda132a4b779b650dd048809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df93cdb950e20740110ffff8b60130fa48437cd6eda132a4b779b650dd048809", kill_on_drop: false }`
[INFO] [stdout] df93cdb950e20740110ffff8b60130fa48437cd6eda132a4b779b650dd048809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2a11be8679266010c3ab6571c8ca3b17983ce96f8eafd7b2a5ee6a381667407
[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" "f2a11be8679266010c3ab6571c8ca3b17983ce96f8eafd7b2a5ee6a381667407", kill_on_drop: false }`
[INFO] [stderr]    Compiling enumerate v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `Command { std: "docker" "inspect" "f2a11be8679266010c3ab6571c8ca3b17983ce96f8eafd7b2a5ee6a381667407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a11be8679266010c3ab6571c8ca3b17983ce96f8eafd7b2a5ee6a381667407", kill_on_drop: false }`
[INFO] [stdout] f2a11be8679266010c3ab6571c8ca3b17983ce96f8eafd7b2a5ee6a381667407
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48ebd0bb2f962758e5fd043a76e21f520dd00e39c7ea8e30c0916cc55e197cc3
[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" "48ebd0bb2f962758e5fd043a76e21f520dd00e39c7ea8e30c0916cc55e197cc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling enumerate v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "48ebd0bb2f962758e5fd043a76e21f520dd00e39c7ea8e30c0916cc55e197cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48ebd0bb2f962758e5fd043a76e21f520dd00e39c7ea8e30c0916cc55e197cc3", kill_on_drop: false }`
[INFO] [stdout] 48ebd0bb2f962758e5fd043a76e21f520dd00e39c7ea8e30c0916cc55e197cc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b40856e7c86164df63876347a0f36254517e5ebd1936e9d76cfec25b6aafc64
[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" "7b40856e7c86164df63876347a0f36254517e5ebd1936e9d76cfec25b6aafc64", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/enumerate-eb96e9d8c8aa5dd6
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests enumerate
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 48) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 13) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 66) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 48) stdout ----
[INFO] [stdout] error: cannot find attribute `enumerate` in this scope
[INFO] [stdout]  --> src/lib.rs:49:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[enumerate(InterestingName: ImplementerOne as One, ImplementerTwo as Two)]
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 13) stdout ----
[INFO] [stdout] error: cannot find attribute `enumerate` in this scope
[INFO] [stdout]  --> src/lib.rs:14:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[enumerate(Talker, Shouter)]
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 66) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Implementer`
[INFO] [stdout]  --> src/lib.rs:67:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | let instance = Implementer::new();
[INFO] [stdout]   |                ^^^^^^^^^^^ use of undeclared type `Implementer`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Implementer`
[INFO] [stdout]  --> src/lib.rs:70:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | let alternative = Implementer::new();
[INFO] [stdout]   |                   ^^^^^^^^^^^ use of undeclared type `Implementer`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Enum`
[INFO] [stdout]  --> src/lib.rs:68:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | let enum_instance = Enum::from(instance);
[INFO] [stdout]   |                     ^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use syn::token::Enum;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Enum` in this scope
[INFO] [stdout]  --> src/lib.rs:71:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | let alt_enum_instance: Enum = alternative.into();
[INFO] [stdout]   |                        ^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use syn::token::Enum;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 13)
[INFO] [stdout]     src/lib.rs - (line 48)
[INFO] [stdout]     src/lib.rs - (line 66)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "7b40856e7c86164df63876347a0f36254517e5ebd1936e9d76cfec25b6aafc64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b40856e7c86164df63876347a0f36254517e5ebd1936e9d76cfec25b6aafc64", kill_on_drop: false }`
[INFO] [stdout] 7b40856e7c86164df63876347a0f36254517e5ebd1936e9d76cfec25b6aafc64