Dec 11 20:12:24.822 INFO checking damody/sflow_read against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 20:12:24.822 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-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 11 20:12:25.289 INFO [stdout] f73940212d581b102e486c997a0d05846779a5418b1db9bdc598adf21afeb372
Dec 11 20:12:25.296 INFO running `"docker" "start" "-a" "f73940212d581b102e486c997a0d05846779a5418b1db9bdc598adf21afeb372"`
Dec 11 20:12:27.013 INFO [stderr] usermod: no changes
Dec 11 20:12:27.624 INFO [stderr]     Checking mercator v0.1.2
Dec 11 20:12:27.640 INFO [stderr]    Compiling actix-web v0.7.13
Dec 11 20:12:27.672 INFO [stderr]     Checking tokio-openssl v0.2.1
Dec 11 20:12:27.684 INFO [stderr]    Compiling dotenv v0.10.1
Dec 11 20:12:27.684 INFO [stderr]     Checking serde v1.0.80
Dec 11 20:12:30.608 INFO [stderr] error[E0659]: `error_chain` is ambiguous (derive helper attribute vs any other name)
Dec 11 20:12:30.608 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/dotenv-0.10.1/src/lib.rs:23:40
Dec 11 20:12:30.608 INFO [stderr]    |
Dec 11 20:12:30.608 INFO [stderr] 23 | #[cfg_attr(not(feature = "backtrace"), error_chain(backtrace = "false"))]
Dec 11 20:12:30.608 INFO [stderr]    |                                        ^^^^^^^^^^^ ambiguous name
Dec 11 20:12:30.608 INFO [stderr]    |
Dec 11 20:12:30.608 INFO [stderr] note: `error_chain` could refer to the derive helper attribute defined here
Dec 11 20:12:30.608 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/dotenv-0.10.1/src/lib.rs:22:17
Dec 11 20:12:30.608 INFO [stderr]    |
Dec 11 20:12:30.608 INFO [stderr] 22 | #[derive(Debug, error_chain)]
Dec 11 20:12:30.608 INFO [stderr]    |                 ^^^^^^^^^^^
Dec 11 20:12:30.608 INFO [stderr] note: `error_chain` could also refer to the derive macro imported here
Dec 11 20:12:30.608 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/dotenv-0.10.1/src/lib.rs:10:1
Dec 11 20:12:30.608 INFO [stderr]    |
Dec 11 20:12:30.608 INFO [stderr] 10 | #[macro_use]
Dec 11 20:12:30.608 INFO [stderr]    | ^^^^^^^^^^^^
Dec 11 20:12:30.608 INFO [stderr] 
Dec 11 20:12:30.936 INFO [stderr] error: aborting due to previous error
Dec 11 20:12:30.944 INFO [stderr] 
Dec 11 20:12:30.944 INFO [stderr] For more information about this error, try `rustc --explain E0659`.
Dec 11 20:12:30.968 INFO [stderr] error: Could not compile `dotenv`.
Dec 11 20:12:30.968 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 11 20:12:48.361 INFO [stderr] error: build failed
Dec 11 20:12:48.377 INFO [stderr] su: No module specific data is present
Dec 11 20:12:49.951 INFO running `"docker" "inspect" "f73940212d581b102e486c997a0d05846779a5418b1db9bdc598adf21afeb372"`
Dec 11 20:12:50.340 INFO running `"docker" "rm" "-f" "f73940212d581b102e486c997a0d05846779a5418b1db9bdc598adf21afeb372"`
Dec 11 20:12:50.684 INFO [stdout] f73940212d581b102e486c997a0d05846779a5418b1db9bdc598adf21afeb372