[INFO] updating cached repository https://github.com/felipesere/dotter
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 123bf7f90bbc280d4cd9513fd328b199fe32cd22
[INFO] testing felipesere/dotter against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelipesere%2Fdotter" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/felipesere/dotter on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/felipesere/dotter
[INFO] finished tweaking git repo https://github.com/felipesere/dotter
[INFO] tweaked toml for git repo https://github.com/felipesere/dotter written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/felipesere/dotter already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c6dbaf1e2fc151c7228f536a212df12e8636f70b0796c4b112e010726ee6f2d6
[INFO] running `"docker" "start" "-a" "c6dbaf1e2fc151c7228f536a212df12e8636f70b0796c4b112e010726ee6f2d6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling futures v0.1.24
[INFO] [stderr]    Compiling proc-macro2 v0.4.18
[INFO] [stderr]    Compiling serde v1.0.77
[INFO] [stderr]    Compiling openssl v0.10.12
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]    Compiling indexmap v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling git-version v0.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling symlink v0.1.0
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.6
[INFO] [stderr]    Compiling openssl-sys v0.9.36
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling bytes v0.4.10
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling tempfile v3.0.3
[INFO] [stderr]    Compiling lock_api v0.1.3
[INFO] [stderr]    Compiling dotter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling libflate v0.1.16
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling phf v0.7.23
[INFO] [stderr]    Compiling mime v0.3.9
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling http v0.1.13
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.1
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-executor v0.1.4
[INFO] [stderr]    Compiling tokio-io v0.1.8
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling tokio-threadpool v0.1.6
[INFO] [stderr]    Compiling tokio-current-thread v0.1.1
[INFO] [stderr]    Compiling tokio-timer v0.2.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.5
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.1
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio v0.1.8
[INFO] [stderr]    Compiling h2 v0.1.12
[INFO] [stderr]    Compiling serde_derive v1.0.77
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.10
[INFO] [stderr]    Compiling serde_urlencoded v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.27
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling hyper-tls v0.3.0
[INFO] [stderr]    Compiling reqwest v0.9.1
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]   --> src/main.rs:68:36
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let group = inv.group(name.as_ref()).expect("did not find group.");
[INFO] [stderr]    |                               -----^^^^^^--
[INFO] [stderr]    |                               |    |
[INFO] [stderr]    |                               |    cannot infer type for type parameter `T` declared on the trait `AsRef`
[INFO] [stderr]    |                               this method call resolves to `&T`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0282`.
[INFO] [stderr] error: could not compile `dotter`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c6dbaf1e2fc151c7228f536a212df12e8636f70b0796c4b112e010726ee6f2d6"`
[INFO] running `"docker" "rm" "-f" "c6dbaf1e2fc151c7228f536a212df12e8636f70b0796c4b112e010726ee6f2d6"`
[INFO] [stdout] c6dbaf1e2fc151c7228f536a212df12e8636f70b0796c4b112e010726ee6f2d6