[INFO] crate variants 0.3.0 is already in cache
[INFO] extracting crate variants 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/variants/0.3.0
[INFO] extracting crate variants 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/variants/0.3.0
[INFO] validating manifest of variants-0.3.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of variants-0.3.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing variants-0.3.0
[INFO] finished frobbing variants-0.3.0
[INFO] frobbed toml for variants-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/variants/0.3.0/Cargo.toml
[INFO] started frobbing variants-0.3.0
[INFO] finished frobbing variants-0.3.0
[INFO] frobbed toml for variants-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/variants/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing variants-0.3.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/variants/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] b7f6ed52ae662f97ac9cd20aaafcab9e7e5c88a88a9237994e668b28b480742d
[INFO] running `"docker" "start" "-a" "b7f6ed52ae662f97ac9cd20aaafcab9e7e5c88a88a9237994e668b28b480742d"`
[INFO] [stderr]    Compiling variants v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0658]: non-builtin inner attributes are unstable
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![license = "MIT"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/54726
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute macro `license` in this scope
[INFO] [stderr]  --> src/lib.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![license = "MIT"]
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute macro `deriving` in this scope
[INFO] [stderr]  --> src/lib.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[deriving(Show, Clone, PartialEq, PartialOrd, Ord, Eq, Hash, Rand)]
[INFO] [stderr]   |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute macro `deriving` in this scope
[INFO] [stderr]   --> src/lib.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[deriving(Show, Clone, PartialEq, PartialOrd, Ord, Eq, Hash, Rand)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute macro `deriving` in this scope
[INFO] [stderr]   --> src/lib.rs:24:3
[INFO] [stderr]    |
[INFO] [stderr] 24 | #[deriving(Show, Clone, PartialEq, PartialOrd, Ord, Eq, Hash, Rand)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute macro `deriving` in this scope
[INFO] [stderr]   --> src/lib.rs:33:3
[INFO] [stderr]    |
[INFO] [stderr] 33 | #[deriving(Show, Clone, PartialEq, PartialOrd, Ord, Eq, Hash, Rand)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute macro `deriving` in this scope
[INFO] [stderr]   --> src/lib.rs:43:3
[INFO] [stderr]    |
[INFO] [stderr] 43 | #[deriving(Show, Clone, PartialEq, PartialOrd, Ord, Eq, Hash, Rand)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute macro `deriving` in this scope
[INFO] [stderr]   --> src/lib.rs:54:3
[INFO] [stderr]    |
[INFO] [stderr] 54 | #[deriving(Show, Clone, PartialEq, PartialOrd, Ord, Eq, Hash, Rand)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: Could not compile `variants`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b7f6ed52ae662f97ac9cd20aaafcab9e7e5c88a88a9237994e668b28b480742d"`
[INFO] running `"docker" "rm" "-f" "b7f6ed52ae662f97ac9cd20aaafcab9e7e5c88a88a9237994e668b28b480742d"`
[INFO] [stdout] b7f6ed52ae662f97ac9cd20aaafcab9e7e5c88a88a9237994e668b28b480742d