[INFO] updating cached repository davlia-projects/messenger-fs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/davlia-projects/messenger-fs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/davlia-projects/messenger-fs" "work/ex/beta-1.37-6/sources/1.36.0/gh/davlia-projects/messenger-fs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/davlia-projects/messenger-fs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/davlia-projects/messenger-fs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/davlia-projects/messenger-fs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/davlia-projects/messenger-fs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fdbc6f907e9fc7550c3bef0507116e9f96cad26f
[INFO] sha for GitHub repo davlia-projects/messenger-fs: fdbc6f907e9fc7550c3bef0507116e9f96cad26f
[INFO] validating manifest of davlia-projects/messenger-fs 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 davlia-projects/messenger-fs 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 davlia-projects/messenger-fs
[INFO] finished frobbing davlia-projects/messenger-fs
[INFO] frobbed toml for davlia-projects/messenger-fs written to work/ex/beta-1.37-6/sources/1.36.0/gh/davlia-projects/messenger-fs/Cargo.toml
[INFO] started frobbing davlia-projects/messenger-fs
[INFO] finished frobbing davlia-projects/messenger-fs
[INFO] frobbed toml for davlia-projects/messenger-fs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/davlia-projects/messenger-fs/Cargo.toml
[INFO] crate davlia-projects/messenger-fs already has a lockfile, it will not be regenerated
[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 davlia-projects/messenger-fs 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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/davlia-projects/messenger-fs:/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] 3c1b650a104ce410eae98c61927fc707ad55f7332fcf417886b505e842136a07
[INFO] running `"docker" "start" "-a" "3c1b650a104ce410eae98c61927fc707ad55f7332fcf417886b505e842136a07"`
[INFO] [stderr]    Compiling string v0.1.0
[INFO] [stderr]    Compiling two-lock-queue v0.1.1
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling want v0.0.5
[INFO] [stderr]    Compiling tarpc-plugins v0.4.0
[INFO] [stderr]    Compiling http v0.1.7
[INFO] [stderr]    Compiling openssl v0.10.10
[INFO] [stderr]    Compiling native-tls v0.2.0
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling thread-pool v0.1.1
[INFO] [stderr]    Compiling serde_urlencoded v0.5.2
[INFO] [stderr]    Compiling blob v0.2.0
[INFO] [stderr]    Compiling jsonrpc-core v8.0.1
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling zstd-sys v1.4.4+zstd.1.3.5
[INFO] [stderr] error[E0432]: unresolved import `syntax::codemap`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tarpc-plugins-0.4.0/src/lib.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | use syntax::codemap::Span;
[INFO] [stderr]    |             ^^^^^^^ could not find `codemap` in `syntax`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syntax::parse::str_lit`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tarpc-plugins-0.4.0/src/lib.rs:12:34
[INFO] [stderr]    |
[INFO] [stderr] 12 | use syntax::parse::{self, token, str_lit, PResult};
[INFO] [stderr]    |                                  ^^^^^^^ no `str_lit` in `parse`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syntax::util::small_vector`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tarpc-plugins-0.4.0/src/lib.rs:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 | use syntax::util::small_vector::SmallVector;
[INFO] [stderr]    |                   ^^^^^^^^^^^^ could not find `small_vector` in `util`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tarpc-plugins-0.4.0/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(plugin_registrar, rustc_private)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `concat` found for type `syntax::tokenstream::TokenStream` in the current scope
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tarpc-plugins-0.4.0/src/lib.rs:72:44
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 attr.tokens = TokenStream::concat(vec![tt.into(), docstr.into()]);
[INFO] [stderr]    |                                            ^^^^^^ function or associated item not found in `syntax::tokenstream::TokenStream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: the method `concat` exists but the following trait bounds were not satisfied:
[INFO] [stderr]            `&mut syntax::tokenstream::TokenStream : itertools::Itertools`
[INFO] [stderr]            `&syntax::tokenstream::TokenStream : itertools::Itertools`
[INFO] [stderr]            `syntax::tokenstream::TokenStream : itertools::Itertools`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `tarpc-plugins`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3c1b650a104ce410eae98c61927fc707ad55f7332fcf417886b505e842136a07"`
[INFO] running `"docker" "rm" "-f" "3c1b650a104ce410eae98c61927fc707ad55f7332fcf417886b505e842136a07"`
[INFO] [stdout] 3c1b650a104ce410eae98c61927fc707ad55f7332fcf417886b505e842136a07