Dec 14 03:24:07.828 INFO testing alexanderbanks/rust-api against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 03:24:07.828 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 03:24:08.271 INFO [stdout] 380c39247b0282b6afc6334c7ff0ffc2256e43d5ae5dd56cec18586a070ee48f
Dec 14 03:24:08.279 INFO running `"docker" "start" "-a" "380c39247b0282b6afc6334c7ff0ffc2256e43d5ae5dd56cec18586a070ee48f"`
Dec 14 03:24:09.607 INFO [stderr] usermod: no changes
Dec 14 03:24:09.964 INFO [stderr]    Compiling openssl-sys v0.9.19
Dec 14 03:24:09.970 INFO [stderr]    Compiling derive-error-chain v0.10.1
Dec 14 03:24:09.971 INFO [stderr]    Compiling serde_derive_internals v0.16.0
Dec 14 03:24:09.971 INFO [stderr]    Compiling diesel v0.16.0
Dec 14 03:24:10.008 INFO [stderr]    Compiling rust-crypto v0.2.36
Dec 14 03:24:10.008 INFO [stderr]    Compiling hyper v0.10.13
Dec 14 03:24:10.008 INFO [stderr]    Compiling dotenv v0.9.0
Dec 14 03:24:14.959 INFO [stderr]    Compiling openssl v0.9.19
Dec 14 03:24:24.904 INFO [stderr]    Compiling serde_derive v1.0.15
Dec 14 03:24:30.454 INFO [stderr]    Compiling dotenv v0.10.1
Dec 14 03:24:33.995 INFO [stderr] error[E0659]: `error_chain` is ambiguous (derive helper attribute vs any other name)
Dec 14 03:24:33.995 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/dotenv-0.10.1/src/lib.rs:23:40
Dec 14 03:24:33.995 INFO [stderr]    |
Dec 14 03:24:33.995 INFO [stderr] 23 | #[cfg_attr(not(feature = "backtrace"), error_chain(backtrace = "false"))]
Dec 14 03:24:33.995 INFO [stderr]    |                                        ^^^^^^^^^^^ ambiguous name
Dec 14 03:24:33.995 INFO [stderr]    |
Dec 14 03:24:33.996 INFO [stderr] note: `error_chain` could refer to the derive helper attribute defined here
Dec 14 03:24:33.996 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/dotenv-0.10.1/src/lib.rs:22:17
Dec 14 03:24:33.996 INFO [stderr]    |
Dec 14 03:24:33.996 INFO [stderr] 22 | #[derive(Debug, error_chain)]
Dec 14 03:24:33.996 INFO [stderr]    |                 ^^^^^^^^^^^
Dec 14 03:24:33.996 INFO [stderr] note: `error_chain` could also refer to the derive macro imported here
Dec 14 03:24:33.996 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/dotenv-0.10.1/src/lib.rs:10:1
Dec 14 03:24:33.996 INFO [stderr]    |
Dec 14 03:24:33.996 INFO [stderr] 10 | #[macro_use]
Dec 14 03:24:33.996 INFO [stderr]    | ^^^^^^^^^^^^
Dec 14 03:24:34.003 INFO [stderr] 
Dec 14 03:24:34.187 INFO [stderr] error: aborting due to previous error
Dec 14 03:24:34.187 INFO [stderr] 
Dec 14 03:24:34.187 INFO [stderr] For more information about this error, try `rustc --explain E0659`.
Dec 14 03:24:34.211 INFO [stderr] error: Could not compile `dotenv`.
Dec 14 03:24:34.211 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 14 03:24:52.199 INFO [stderr] error: build failed
Dec 14 03:24:52.199 INFO [stderr] su: No module specific data is present
Dec 14 03:24:52.967 INFO running `"docker" "inspect" "380c39247b0282b6afc6334c7ff0ffc2256e43d5ae5dd56cec18586a070ee48f"`
Dec 14 03:24:53.287 INFO running `"docker" "rm" "-f" "380c39247b0282b6afc6334c7ff0ffc2256e43d5ae5dd56cec18586a070ee48f"`
Dec 14 03:24:53.583 INFO [stdout] 380c39247b0282b6afc6334c7ff0ffc2256e43d5ae5dd56cec18586a070ee48f