[INFO] cloning repository adubois/rust-books
[INFO] running `"git" "clone" "--bare" "git://github.com/adubois/rust-books.git" "work/cache/sources/gh/adubois/rust-books"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/adubois/rust-books'...
[INFO] running `"git" "clone" "work/cache/sources/gh/adubois/rust-books" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/adubois/rust-books"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/adubois/rust-books'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/adubois/rust-books" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/adubois/rust-books"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/adubois/rust-books'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ec5a474deaea1cd47a310d80dc079774b20a44de
[INFO] sha for GitHub repo adubois/rust-books: ec5a474deaea1cd47a310d80dc079774b20a44de
[INFO] validating manifest of adubois/rust-books on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of adubois/rust-books on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing adubois/rust-books
[INFO] finished frobbing adubois/rust-books
[INFO] frobbed toml for adubois/rust-books written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/adubois/rust-books/Cargo.toml
[INFO] started frobbing adubois/rust-books
[INFO] finished frobbing adubois/rust-books
[INFO] frobbed toml for adubois/rust-books written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/adubois/rust-books/Cargo.toml
[INFO] crate adubois/rust-books already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing adubois/rust-books against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/adubois/rust-books:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 6203796788bdea4eee54a9594e13513cb158a62e5ae5ff485c5872bf80ceb5f4
[INFO] running `"docker" "start" "-a" "6203796788bdea4eee54a9594e13513cb158a62e5ae5ff485c5872bf80ceb5f4"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling pear_codegen v0.1.0 (http://github.com/SergioBenitez/Pear?rev=d221e16dd#d221e16d)
[INFO] [stderr]    Compiling rocket_codegen_next v0.4.0-dev (https://github.com/SergioBenitez/Rocket#085a1430)
[INFO] [stderr]    Compiling rocket v0.4.0-dev (https://github.com/SergioBenitez/Rocket#085a1430)
[INFO] [stderr]    Compiling cookie v0.11.0
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.9
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling derive_utils_core v0.1.0 (https://github.com/SergioBenitez/derive-utils?rev=62f361f#62f361fe)
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling derive_utils_codegen v0.1.0 (https://github.com/SergioBenitez/derive-utils?rev=62f361f#62f361fe)
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling derive_utils v0.1.0 (https://github.com/SergioBenitez/derive-utils?rev=62f361f#62f361fe)
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling pear v0.1.0 (http://github.com/SergioBenitez/Pear?rev=d221e16dd#d221e16d)
[INFO] [stderr]    Compiling rocket_http v0.4.0-dev (https://github.com/SergioBenitez/Rocket#085a1430)
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/rocket-8bf16d9ca7e90bdc/085a143/core/codegen_next/src/proc_macro_ext.rs:72:41
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let inner: InnerSpan = unsafe { ::std::mem::transmute(self) };
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: source type: `proc_macro::Span` (32 bits)
[INFO] [stderr]    = note: target type: `syntax_pos::Span` (64 bits)
[INFO] [stderr] 
[INFO] [stderr] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stderr]    --> /opt/crater/cargo-home/git/checkouts/rocket-8bf16d9ca7e90bdc/085a143/core/codegen_next/src/proc_macro_ext.rs:101:23
[INFO] [stderr]     |
[INFO] [stderr] 101 |         Some(unsafe { ::std::mem::transmute(new_inner) })
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: source type: `syntax_pos::Span` (64 bits)
[INFO] [stderr]     = note: target type: `proc_macro::Span` (32 bits)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0512`.
[INFO] [stderr] error: Could not compile `rocket_codegen_next`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6203796788bdea4eee54a9594e13513cb158a62e5ae5ff485c5872bf80ceb5f4"`
[INFO] running `"docker" "rm" "-f" "6203796788bdea4eee54a9594e13513cb158a62e5ae5ff485c5872bf80ceb5f4"`
[INFO] [stdout] 6203796788bdea4eee54a9594e13513cb158a62e5ae5ff485c5872bf80ceb5f4