[INFO] fetching crate rojo 0.5.0-alpha.9...
[INFO] extracting crate rojo 0.5.0-alpha.9 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/rojo/0.5.0-alpha.9
[INFO] extracting crate rojo 0.5.0-alpha.9 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/rojo/0.5.0-alpha.9
[INFO] validating manifest of rojo-0.5.0-alpha.9 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rojo-0.5.0-alpha.9 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rojo-0.5.0-alpha.9
[INFO] finished frobbing rojo-0.5.0-alpha.9
[INFO] frobbed toml for rojo-0.5.0-alpha.9 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/rojo/0.5.0-alpha.9/Cargo.toml
[INFO] started frobbing rojo-0.5.0-alpha.9
[INFO] finished frobbing rojo-0.5.0-alpha.9
[INFO] frobbed toml for rojo-0.5.0-alpha.9 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/rojo/0.5.0-alpha.9/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ritz v0.1.0
[INFO] [stderr]   Downloaded rbx_dom_weak v1.8.0
[INFO] [stderr]   Downloaded rlua v0.16.3
[INFO] [stderr]   Downloaded rbx_reflection v2.0.377
[INFO] [stderr]   Downloaded ritz_impl v0.1.0
[INFO] [stderr]   Downloaded snax v0.2.0
[INFO] [stderr]   Downloaded rbx_binary v0.4.1
[INFO] [stderr]   Downloaded rbx_xml v0.6.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing rojo-0.5.0-alpha.9 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/rojo/0.5.0-alpha.9:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 8e38eb7adc6dec06e28e26d33b91d1706d39606c3c6b4347c10328261d03b1b5
[INFO] running `"docker" "start" "-a" "8e38eb7adc6dec06e28e26d33b91d1706d39606c3c6b4347c10328261d03b1b5"`
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling lz4-sys v1.8.3
[INFO] [stderr]    Compiling rlua v0.16.3
[INFO] [stderr]    Compiling snax v0.2.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling filetime v0.2.5
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.7
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling notify v4.0.12
[INFO] [stderr]    Compiling csv v1.0.7
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling rbx_dom_weak v1.8.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling paste-impl v0.1.5
[INFO] [stderr]    Compiling ritz_impl v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling ritz v0.1.0
[INFO] [stderr]    Compiling paste v0.1.5
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling rbx_reflection v2.0.377
[INFO] [stderr]    Compiling rbx_xml v0.6.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling publicsuffix v1.5.2
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling lz4 v1.23.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling tokio v0.1.21
[INFO] [stderr]    Compiling rbx_binary v0.4.1
[INFO] [stderr]    Compiling hyper v0.12.29
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.18
[INFO] [stderr]    Compiling rojo v0.5.0-alpha.9 (/opt/crater/workdir)
[INFO] [stderr] error[E0252]: the name `Serialize` is defined multiple times
[INFO] [stderr]   --> src/project.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 12 | use serde_derive::{Serialize, Deserialize};
[INFO] [stderr]    |                    --------- previous import of the macro `Serialize` here
[INFO] [stderr] 13 | use serde::{Serialize, Serializer};
[INFO] [stderr]    |             ^^^^^^^^^--
[INFO] [stderr]    |             |
[INFO] [stderr]    |             `Serialize` reimported here
[INFO] [stderr]    |             help: remove unnecessary import
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Serialize` must be defined only once in the macro namespace of this module
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0252`.
[INFO] [stderr] error: Could not compile `rojo`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8e38eb7adc6dec06e28e26d33b91d1706d39606c3c6b4347c10328261d03b1b5"`
[INFO] running `"docker" "rm" "-f" "8e38eb7adc6dec06e28e26d33b91d1706d39606c3c6b4347c10328261d03b1b5"`
[INFO] [stdout] 8e38eb7adc6dec06e28e26d33b91d1706d39606c3c6b4347c10328261d03b1b5