[INFO] updating cached repository abhijat/mosler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/abhijat/mosler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/abhijat/mosler" "work/ex/beta-1.38-1/sources/1.37.0/gh/abhijat/mosler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/abhijat/mosler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/abhijat/mosler" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/abhijat/mosler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/abhijat/mosler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a289821952ccc3049b973b4f76e49de5b5f41a13
[INFO] sha for GitHub repo abhijat/mosler: a289821952ccc3049b973b4f76e49de5b5f41a13
[INFO] validating manifest of abhijat/mosler 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 abhijat/mosler 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 abhijat/mosler
[INFO] finished frobbing abhijat/mosler
[INFO] frobbed toml for abhijat/mosler written to work/ex/beta-1.38-1/sources/1.37.0/gh/abhijat/mosler/Cargo.toml
[INFO] started frobbing abhijat/mosler
[INFO] finished frobbing abhijat/mosler
[INFO] frobbed toml for abhijat/mosler written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/abhijat/mosler/Cargo.toml
[INFO] crate abhijat/mosler 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 abhijat/mosler 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-5/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/abhijat/mosler:/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] 44103efa1811e75439f0b67234af55244d9d834e3b69d6b90f46db967c9c5742
[INFO] running `"docker" "start" "-a" "44103efa1811e75439f0b67234af55244d9d834e3b69d6b90f46db967c9c5742"`
[INFO] [stderr]    Compiling cc v1.0.12
[INFO] [stderr]    Compiling serde v1.0.43
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling rpassword v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling encoding_rs v0.7.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.7
[INFO] [stderr]    Compiling base64 v0.9.1
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling term-painter v0.2.4
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling tokio-timer v0.2.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling libflate v0.1.14
[INFO] [stderr]    Compiling tokio-threadpool v0.1.2
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.4
[INFO] [stderr]    Compiling rustyline v1.0.0 (https://github.com/kkawakam/rustyline#15de3486)
[INFO] [stderr]    Compiling openssl-sys v0.9.28
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]     --> /opt/crater/cargo-home/git/checkouts/rustyline-98638c01accab86a/15de348/src/lib.rs:1268:49
[INFO] [stderr]      |
[INFO] [stderr] 1268 |                 self.editor.add_history_entry(l.as_ref()); // TODO Validate
[INFO] [stderr]      |                                                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[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 `rustyline`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "44103efa1811e75439f0b67234af55244d9d834e3b69d6b90f46db967c9c5742"`
[INFO] running `"docker" "rm" "-f" "44103efa1811e75439f0b67234af55244d9d834e3b69d6b90f46db967c9c5742"`
[INFO] [stdout] 44103efa1811e75439f0b67234af55244d9d834e3b69d6b90f46db967c9c5742