[INFO] crate socketlabz 0.1.4 is already in cache
[INFO] extracting crate socketlabz 0.1.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/socketlabz/0.1.4
[INFO] extracting crate socketlabz 0.1.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/socketlabz/0.1.4
[INFO] validating manifest of socketlabz-0.1.4 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 socketlabz-0.1.4 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 socketlabz-0.1.4
[INFO] finished frobbing socketlabz-0.1.4
[INFO] frobbed toml for socketlabz-0.1.4 written to work/ex/beta-1.37-6/sources/1.36.0/reg/socketlabz/0.1.4/Cargo.toml
[INFO] started frobbing socketlabz-0.1.4
[INFO] finished frobbing socketlabz-0.1.4
[INFO] frobbed toml for socketlabz-0.1.4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/socketlabz/0.1.4/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] 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 socketlabz-0.1.4 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/socketlabz/0.1.4:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 68a616b793999a0e20f0aec6bef1e8bb2381d09acaf2afeadfdd427ddf5faeaa
[INFO] running `"docker" "start" "-a" "68a616b793999a0e20f0aec6bef1e8bb2381d09acaf2afeadfdd427ddf5faeaa"`
[INFO] [stderr] warning: the cargo feature `rename-dependency` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]    Compiling socketlabz v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:29:32
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stderr]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.61s
[INFO] running `"docker" "inspect" "68a616b793999a0e20f0aec6bef1e8bb2381d09acaf2afeadfdd427ddf5faeaa"`
[INFO] running `"docker" "rm" "-f" "68a616b793999a0e20f0aec6bef1e8bb2381d09acaf2afeadfdd427ddf5faeaa"`
[INFO] [stdout] 68a616b793999a0e20f0aec6bef1e8bb2381d09acaf2afeadfdd427ddf5faeaa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/socketlabz/0.1.4:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2ac75ddb34d5fea131d7c914fe770aefa8e41f2cc06e637aaff29c2cf2339070
[INFO] running `"docker" "start" "-a" "2ac75ddb34d5fea131d7c914fe770aefa8e41f2cc06e637aaff29c2cf2339070"`
[INFO] [stderr] warning: the cargo feature `rename-dependency` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]    Compiling socketlabz v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `socketlabs`
[INFO] [stderr]  --> examples/send_email.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate socketlabs;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `socketlabz`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:29:32
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stderr]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2ac75ddb34d5fea131d7c914fe770aefa8e41f2cc06e637aaff29c2cf2339070"`
[INFO] running `"docker" "rm" "-f" "2ac75ddb34d5fea131d7c914fe770aefa8e41f2cc06e637aaff29c2cf2339070"`
[INFO] [stdout] 2ac75ddb34d5fea131d7c914fe770aefa8e41f2cc06e637aaff29c2cf2339070