[INFO] updating cached repository ralfbiedert/rust_issues
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ralfbiedert/rust_issues
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ralfbiedert/rust_issues" "work/ex/beta-1.38-1/sources/1.37.0/gh/ralfbiedert/rust_issues"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ralfbiedert/rust_issues'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ralfbiedert/rust_issues" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ralfbiedert/rust_issues"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ralfbiedert/rust_issues'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e565074cc764aa300bff8867964b723a642e5f55
[INFO] sha for GitHub repo ralfbiedert/rust_issues: e565074cc764aa300bff8867964b723a642e5f55
[INFO] validating manifest of ralfbiedert/rust_issues 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 ralfbiedert/rust_issues 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 ralfbiedert/rust_issues
[INFO] finished frobbing ralfbiedert/rust_issues
[INFO] frobbed toml for ralfbiedert/rust_issues written to work/ex/beta-1.38-1/sources/1.37.0/gh/ralfbiedert/rust_issues/Cargo.toml
[INFO] started frobbing ralfbiedert/rust_issues
[INFO] finished frobbing ralfbiedert/rust_issues
[INFO] frobbed toml for ralfbiedert/rust_issues written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ralfbiedert/rust_issues/Cargo.toml
[INFO] crate ralfbiedert/rust_issues already has a lockfile, it will not be regenerated
[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 ralfbiedert/rust_issues against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ralfbiedert/rust_issues:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 8bc9c76efd50dddb4dc2ca915776cd609a643c3b409240734f665abd1d6210b2
[INFO] running `"docker" "start" "-a" "8bc9c76efd50dddb4dc2ca915776cd609a643c3b409240734f665abd1d6210b2"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ryu v0.2.3
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]    Compiling serde_derive_internals v0.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.21
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling rust_issues v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: proc-macro derive panicked
[INFO] [stderr]  --> src/main.rs:9:30
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[derive(Debug, Clone, Copy, Serialize)]
[INFO] [stderr]   |                              ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: message: called `Result::unwrap()` on an `Err` value: "failed to parse derive input: \"#[repr(C)]\\npub struct Matrix4f32 {\\n    crate data: [f32; 16],\\n}\""
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rust_issues`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8bc9c76efd50dddb4dc2ca915776cd609a643c3b409240734f665abd1d6210b2"`
[INFO] running `"docker" "rm" "-f" "8bc9c76efd50dddb4dc2ca915776cd609a643c3b409240734f665abd1d6210b2"`
[INFO] [stdout] 8bc9c76efd50dddb4dc2ca915776cd609a643c3b409240734f665abd1d6210b2