[INFO] updating cached repository danburkert/distributed-map
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/danburkert/distributed-map
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/danburkert/distributed-map" "work/ex/beta-1.38-1/sources/1.37.0/gh/danburkert/distributed-map"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/danburkert/distributed-map'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/danburkert/distributed-map" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/danburkert/distributed-map"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/danburkert/distributed-map'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5062557b57edc407afc74b2b122cf913f35d7ed2
[INFO] sha for GitHub repo danburkert/distributed-map: 5062557b57edc407afc74b2b122cf913f35d7ed2
[INFO] validating manifest of danburkert/distributed-map 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 danburkert/distributed-map 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 danburkert/distributed-map
[INFO] finished frobbing danburkert/distributed-map
[INFO] frobbed toml for danburkert/distributed-map written to work/ex/beta-1.38-1/sources/1.37.0/gh/danburkert/distributed-map/Cargo.toml
[INFO] started frobbing danburkert/distributed-map
[INFO] finished frobbing danburkert/distributed-map
[INFO] frobbed toml for danburkert/distributed-map written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/danburkert/distributed-map/Cargo.toml
[INFO] crate danburkert/distributed-map 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/danburkert/distributed-map/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "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" "+beta-2019-08-13" "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" "+1.37.0" "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 danburkert/distributed-map against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/danburkert/distributed-map:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ab204b624f082d6da06c2bb191512dc6e55bb3654364344dfacfdd74a962be59
[INFO] running `"docker" "start" "-a" "ab204b624f082d6da06c2bb191512dc6e55bb3654364344dfacfdd74a962be59"`
[INFO] [stderr]    Compiling capnp v0.10.1
[INFO] [stderr]    Compiling capnpc v0.10.1
[INFO] [stderr]    Compiling distributed-map v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unknown lint: `unstable`
[INFO] [stderr]  --> build.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![allow(unstable)]
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unknown_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stderr]  --> build.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 |     ::capnpc::compile(Path::new("src"),
[INFO] [stderr]   |                       ^^^^ use of undeclared type or module `Path`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stderr]  --> build.rs:7:25
[INFO] [stderr]   |
[INFO] [stderr] 7 |                       &[Path::new("src/messages.capnp")]).unwrap();
[INFO] [stderr]   |                         ^^^^ use of undeclared type or module `Path`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `compile` in module `capnpc`
[INFO] [stderr]  --> build.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 |     ::capnpc::compile(Path::new("src"),
[INFO] [stderr]   |               ^^^^^^^ not found in `capnpc`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `distributed-map`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ab204b624f082d6da06c2bb191512dc6e55bb3654364344dfacfdd74a962be59"`
[INFO] running `"docker" "rm" "-f" "ab204b624f082d6da06c2bb191512dc6e55bb3654364344dfacfdd74a962be59"`
[INFO] [stdout] ab204b624f082d6da06c2bb191512dc6e55bb3654364344dfacfdd74a962be59