Dec 15 09:40:50.430 INFO testing graphql-validate-0.3.1 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 09:40:50.431 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15 09:40:50.859 INFO [stdout] b2a1e3de9b8f61c6e3012c71fe80ca7c8b6f06d141ac21ff34419107a5aa886e
Dec 15 09:40:50.861 INFO running `"docker" "start" "-a" "b2a1e3de9b8f61c6e3012c71fe80ca7c8b6f06d141ac21ff34419107a5aa886e"`
Dec 15 09:40:51.843 INFO [stderr] usermod: no changes
Dec 15 09:40:52.029 INFO [stderr]    Compiling rayon v1.0.3
Dec 15 09:40:52.032 INFO [stderr]    Compiling graphql-parser v0.2.2
Dec 15 09:40:58.828 INFO [stderr]    Compiling quicli v0.3.1
Dec 15 09:41:15.796 INFO [stderr]    Compiling graphql-validate v0.3.1 (/source)
Dec 15 09:41:20.597 INFO [stderr] error[E0659]: `structopt` is ambiguous (name in the crate root vs extern crate during absolute path resolution)
Dec 15 09:41:20.597 INFO [stderr]   --> src/main.rs:15:10
Dec 15 09:41:20.597 INFO [stderr]    |
Dec 15 09:41:20.597 INFO [stderr] 15 | #[derive(StructOpt)]
Dec 15 09:41:20.597 INFO [stderr]    |          ^^^^^^^^^ ambiguous name
Dec 15 09:41:20.597 INFO [stderr]    |
Dec 15 09:41:20.597 INFO [stderr]    = note: `structopt` could refer to an extern crate passed with `--extern`
Dec 15 09:41:20.597 INFO [stderr] note: `structopt` could also refer to the module imported here
Dec 15 09:41:20.597 INFO [stderr]   --> src/main.rs:12:23
Dec 15 09:41:20.597 INFO [stderr]    |
Dec 15 09:41:20.597 INFO [stderr] 12 |     prelude::{Result, *},
Dec 15 09:41:20.597 INFO [stderr]    |                       ^
Dec 15 09:41:20.597 INFO [stderr]    = help: use `crate::structopt` to refer to this module unambiguously
Dec 15 09:41:20.597 INFO [stderr] 
Dec 15 09:41:20.598 INFO [stderr] warning: unused import: `failure::Error`
Dec 15 09:41:20.598 INFO [stderr]  --> src/main.rs:6:5
Dec 15 09:41:20.598 INFO [stderr]   |
Dec 15 09:41:20.598 INFO [stderr] 6 | use failure::Error;
Dec 15 09:41:20.598 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 15 09:41:20.598 INFO [stderr]   |
Dec 15 09:41:20.598 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 15 09:41:20.598 INFO [stderr] 
Dec 15 09:41:20.598 INFO [stderr] warning: unused import: `Result`
Dec 15 09:41:20.598 INFO [stderr]   --> src/main.rs:12:15
Dec 15 09:41:20.598 INFO [stderr]    |
Dec 15 09:41:20.598 INFO [stderr] 12 |     prelude::{Result, *},
Dec 15 09:41:20.598 INFO [stderr]    |               ^^^^^^
Dec 15 09:41:20.598 INFO [stderr] 
Dec 15 09:41:20.659 INFO [stderr] error: aborting due to previous error
Dec 15 09:41:20.659 INFO [stderr] 
Dec 15 09:41:20.659 INFO [stderr] For more information about this error, try `rustc --explain E0659`.
Dec 15 09:41:20.672 INFO [stderr] error: Could not compile `graphql-validate`.
Dec 15 09:41:20.672 INFO [stderr] 
Dec 15 09:41:20.672 INFO [stderr] To learn more, run the command again with --verbose.
Dec 15 09:41:20.675 INFO [stderr] su: No module specific data is present
Dec 15 09:41:21.127 INFO running `"docker" "inspect" "b2a1e3de9b8f61c6e3012c71fe80ca7c8b6f06d141ac21ff34419107a5aa886e"`
Dec 15 09:41:21.264 INFO running `"docker" "rm" "-f" "b2a1e3de9b8f61c6e3012c71fe80ca7c8b6f06d141ac21ff34419107a5aa886e"`
Dec 15 09:41:21.386 INFO [stdout] b2a1e3de9b8f61c6e3012c71fe80ca7c8b6f06d141ac21ff34419107a5aa886e