[INFO] fetching crate big_enum_set_derive 0.2.0...
[INFO] testing big_enum_set_derive-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate big_enum_set_derive 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate big_enum_set_derive 0.2.0 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 big_enum_set_derive 0.2.0
[INFO] finished tweaking crates.io crate big_enum_set_derive 0.2.0
[INFO] tweaked toml for crates.io crate big_enum_set_derive 0.2.0 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f5e9d11d76441bbcbeb27ce3070b3065c9b4dd729e9ac569b61c8a007728faf
[INFO] running `Command { std: "docker" "start" "-a" "5f5e9d11d76441bbcbeb27ce3070b3065c9b4dd729e9ac569b61c8a007728faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f5e9d11d76441bbcbeb27ce3070b3065c9b4dd729e9ac569b61c8a007728faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f5e9d11d76441bbcbeb27ce3070b3065c9b4dd729e9ac569b61c8a007728faf", kill_on_drop: false }`
[INFO] [stdout] 5f5e9d11d76441bbcbeb27ce3070b3065c9b4dd729e9ac569b61c8a007728faf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 4452cd95ffd4d11120a32885412c160c00eeb601a10e68dd0d228ef2c49f8c7e
[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" "4452cd95ffd4d11120a32885412c160c00eeb601a10e68dd0d228ef2c49f8c7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling big_enum_set_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.27s
[INFO] running `Command { std: "docker" "inspect" "4452cd95ffd4d11120a32885412c160c00eeb601a10e68dd0d228ef2c49f8c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4452cd95ffd4d11120a32885412c160c00eeb601a10e68dd0d228ef2c49f8c7e", kill_on_drop: false }`
[INFO] [stdout] 4452cd95ffd4d11120a32885412c160c00eeb601a10e68dd0d228ef2c49f8c7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 88ee4298b4683f4a7feeb9b8c1d69d67a13bd12fd8930e361bd899ac75da46af
[INFO] running `Command { std: "docker" "start" "-a" "88ee4298b4683f4a7feeb9b8c1d69d67a13bd12fd8930e361bd899ac75da46af", kill_on_drop: false }`
[INFO] [stderr]    Compiling big_enum_set_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "88ee4298b4683f4a7feeb9b8c1d69d67a13bd12fd8930e361bd899ac75da46af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ee4298b4683f4a7feeb9b8c1d69d67a13bd12fd8930e361bd899ac75da46af", kill_on_drop: false }`
[INFO] [stdout] 88ee4298b4683f4a7feeb9b8c1d69d67a13bd12fd8930e361bd899ac75da46af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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", 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] 99e4c09c273ad5d1028cebc58291f8b69b1884ad6849b5417f30a00e47c673c6
[INFO] running `Command { std: "docker" "start" "-a" "99e4c09c273ad5d1028cebc58291f8b69b1884ad6849b5417f30a00e47c673c6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/big_enum_set_derive-79af4189486d78dd
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests big_enum_set_derive
[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 1 test
[INFO] [stdout] test src/lib.rs - derive_big_enum_set_type (line 375) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - derive_big_enum_set_type (line 375) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `big_enum_set`
[INFO] [stdout]  --> src/lib.rs:376:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use big_enum_set::BigEnumSetType;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `big_enum_set`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `BigEnumSetType`
[INFO] [stdout]  --> src/lib.rs:378:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(BigEnumSetType)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `big_enum_set` in this scope
[INFO] [stdout]  --> src/lib.rs:379:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[big_enum_set(serialize_bytes=22)]
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - derive_big_enum_set_type (line 375)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "99e4c09c273ad5d1028cebc58291f8b69b1884ad6849b5417f30a00e47c673c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e4c09c273ad5d1028cebc58291f8b69b1884ad6849b5417f30a00e47c673c6", kill_on_drop: false }`
[INFO] [stdout] 99e4c09c273ad5d1028cebc58291f8b69b1884ad6849b5417f30a00e47c673c6