[INFO] updating cached repository Aligorith/rust_first_testbed
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Aligorith/rust_first_testbed
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Aligorith/rust_first_testbed" "work/ex/beta-1.38-1/sources/1.37.0/gh/Aligorith/rust_first_testbed"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Aligorith/rust_first_testbed'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Aligorith/rust_first_testbed" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Aligorith/rust_first_testbed"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Aligorith/rust_first_testbed'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7e2b65f49fd228ac6870c622845778de77699315
[INFO] sha for GitHub repo Aligorith/rust_first_testbed: 7e2b65f49fd228ac6870c622845778de77699315
[INFO] validating manifest of Aligorith/rust_first_testbed 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 Aligorith/rust_first_testbed 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 Aligorith/rust_first_testbed
[INFO] finished frobbing Aligorith/rust_first_testbed
[INFO] frobbed toml for Aligorith/rust_first_testbed written to work/ex/beta-1.38-1/sources/1.37.0/gh/Aligorith/rust_first_testbed/Cargo.toml
[INFO] started frobbing Aligorith/rust_first_testbed
[INFO] finished frobbing Aligorith/rust_first_testbed
[INFO] frobbed toml for Aligorith/rust_first_testbed written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Aligorith/rust_first_testbed/Cargo.toml
[INFO] crate Aligorith/rust_first_testbed 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 Aligorith/rust_first_testbed 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-7/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/Aligorith/rust_first_testbed:/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] d7c71e3f40e698e0ac7b0cb37b61456758ffb4492e25381668828631cda0e8a7
[INFO] running `"docker" "start" "-a" "d7c71e3f40e698e0ac7b0cb37b61456758ffb4492e25381668828631cda0e8a7"`
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling indoc-impl v0.2.3
[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] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d7c71e3f40e698e0ac7b0cb37b61456758ffb4492e25381668828631cda0e8a7"`
[INFO] running `"docker" "rm" "-f" "d7c71e3f40e698e0ac7b0cb37b61456758ffb4492e25381668828631cda0e8a7"`
[INFO] [stdout] d7c71e3f40e698e0ac7b0cb37b61456758ffb4492e25381668828631cda0e8a7