[INFO] updating cached repository donjar/advent-of-code-2017-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/donjar/advent-of-code-2017-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/donjar/advent-of-code-2017-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/donjar/advent-of-code-2017-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/donjar/advent-of-code-2017-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/donjar/advent-of-code-2017-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/donjar/advent-of-code-2017-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/donjar/advent-of-code-2017-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5e1efeae0312bf911de91824316a9aa9a919f984
[INFO] sha for GitHub repo donjar/advent-of-code-2017-rust: 5e1efeae0312bf911de91824316a9aa9a919f984
[INFO] validating manifest of donjar/advent-of-code-2017-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 donjar/advent-of-code-2017-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 donjar/advent-of-code-2017-rust
[INFO] finished frobbing donjar/advent-of-code-2017-rust
[INFO] frobbed toml for donjar/advent-of-code-2017-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/donjar/advent-of-code-2017-rust/Cargo.toml
[INFO] started frobbing donjar/advent-of-code-2017-rust
[INFO] finished frobbing donjar/advent-of-code-2017-rust
[INFO] frobbed toml for donjar/advent-of-code-2017-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/donjar/advent-of-code-2017-rust/Cargo.toml
[INFO] crate donjar/advent-of-code-2017-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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing donjar/advent-of-code-2017-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/donjar/advent-of-code-2017-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] 08e9fe2213f45476307bad88e9ee6442db20e1e5c4bf511137de3a461e204bc5
[INFO] running `"docker" "start" "-a" "08e9fe2213f45476307bad88e9ee6442db20e1e5c4bf511137de3a461e204bc5"`
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.0
[INFO] [stderr]    Compiling unindent v0.1.2
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling proc-macro-hack v0.4.0
[INFO] [stderr]    Compiling indoc-impl v0.2.3
[INFO] [stderr]    Compiling regex v0.2.3
[INFO] [stderr]    Compiling num-bigint v0.1.41
[INFO] [stderr]    Compiling indoc v0.2.3
[INFO] [stderr] error: proc-macro derive panicked
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/indoc-0.2.3/src/lib.rs:127:1
[INFO] [stderr]     |
[INFO] [stderr] 127 | / proc_macro_expr_decl! {
[INFO] [stderr] 128 | |     #[doc(hidden)]
[INFO] [stderr] 129 | |     indoc! => indoc_impl
[INFO] [stderr] 130 | | }
[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 `indoc`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "08e9fe2213f45476307bad88e9ee6442db20e1e5c4bf511137de3a461e204bc5"`
[INFO] running `"docker" "rm" "-f" "08e9fe2213f45476307bad88e9ee6442db20e1e5c4bf511137de3a461e204bc5"`
[INFO] [stdout] 08e9fe2213f45476307bad88e9ee6442db20e1e5c4bf511137de3a461e204bc5