[INFO] crate cargo-tarball 0.0.1 is already in cache
[INFO] extracting crate cargo-tarball 0.0.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-tarball/0.0.1
[INFO] extracting crate cargo-tarball 0.0.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cargo-tarball/0.0.1
[INFO] validating manifest of cargo-tarball-0.0.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cargo-tarball-0.0.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cargo-tarball-0.0.1
[INFO] finished frobbing cargo-tarball-0.0.1
[INFO] frobbed toml for cargo-tarball-0.0.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-tarball/0.0.1/Cargo.toml
[INFO] started frobbing cargo-tarball-0.0.1
[INFO] finished frobbing cargo-tarball-0.0.1
[INFO] frobbed toml for cargo-tarball-0.0.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cargo-tarball/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cargo-tarball-0.0.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-tarball/0.0.1:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] dea81ea83d757907ef649230a86e40a291f4b7f6b68134aea6db9d92dc913769
[INFO] running `"docker" "start" "-a" "dea81ea83d757907ef649230a86e40a291f4b7f6b68134aea6db9d92dc913769"`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling exitcode v1.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling getrandom v0.1.7
[INFO] [stderr]    Compiling filetime v0.2.6
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling liquid v0.14.3
[INFO] [stderr]    Compiling serde_yaml v0.7.5
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling zip v0.3.3
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/liquid-0.14.3/src/compiler/parser.rs:88:80
[INFO] [stderr]    |
[INFO] [stderr] 88 |                     Token::Identifier(ref x) => indexes.push(Index::with_key(x.as_ref())),
[INFO] [stderr]    |                                                                                ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: Could not compile `liquid`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "dea81ea83d757907ef649230a86e40a291f4b7f6b68134aea6db9d92dc913769"`
[INFO] running `"docker" "rm" "-f" "dea81ea83d757907ef649230a86e40a291f4b7f6b68134aea6db9d92dc913769"`
[INFO] [stdout] dea81ea83d757907ef649230a86e40a291f4b7f6b68134aea6db9d92dc913769