[INFO] updating cached repository nejucomo/sappho-on-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nejucomo/sappho-on-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nejucomo/sappho-on-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/nejucomo/sappho-on-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nejucomo/sappho-on-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nejucomo/sappho-on-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nejucomo/sappho-on-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nejucomo/sappho-on-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d771023fcdea57ed965a67d91ba1805b291b74ae
[INFO] sha for GitHub repo nejucomo/sappho-on-rust: d771023fcdea57ed965a67d91ba1805b291b74ae
[INFO] validating manifest of nejucomo/sappho-on-rust 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 nejucomo/sappho-on-rust 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 nejucomo/sappho-on-rust
[INFO] finished frobbing nejucomo/sappho-on-rust
[INFO] frobbed toml for nejucomo/sappho-on-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/nejucomo/sappho-on-rust/Cargo.toml
[INFO] started frobbing nejucomo/sappho-on-rust
[INFO] finished frobbing nejucomo/sappho-on-rust
[INFO] frobbed toml for nejucomo/sappho-on-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nejucomo/sappho-on-rust/Cargo.toml
[INFO] crate nejucomo/sappho-on-rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing nejucomo/sappho-on-rust 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/gh/nejucomo/sappho-on-rust:/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] bbb717131c1fc1df8eb0eb773749f3b169f4a8f12ffe4214b606bcf4881fe3a8
[INFO] running `"docker" "start" "-a" "bbb717131c1fc1df8eb0eb773749f3b169f4a8f12ffe4214b606bcf4881fe3a8"`
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.0
[INFO] [stderr]    Compiling combine v2.5.2
[INFO] [stderr]    Compiling quote v0.6.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling proc-macro-hack v0.4.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling include_dir_impl v0.2.1
[INFO] [stderr]    Compiling include_dir v0.2.1
[INFO] [stderr] error: proc-macro derive panicked
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/include_dir-0.2.1/src/lib.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | / proc_macro_expr_decl! {
[INFO] [stderr] 64 | |     include_dir! => include_dir_impl
[INFO] [stderr] 65 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: message: assertion failed: `(left == right)`
[INFO] [stderr]              left: `Some("#[allow(unused,")`,
[INFO] [stderr]             right: `Some("#[allow(unused")`
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `include_dir`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "bbb717131c1fc1df8eb0eb773749f3b169f4a8f12ffe4214b606bcf4881fe3a8"`
[INFO] running `"docker" "rm" "-f" "bbb717131c1fc1df8eb0eb773749f3b169f4a8f12ffe4214b606bcf4881fe3a8"`
[INFO] [stdout] bbb717131c1fc1df8eb0eb773749f3b169f4a8f12ffe4214b606bcf4881fe3a8