[INFO] crate prost-amino-derive 0.4.0 is already in cache
[INFO] extracting crate prost-amino-derive 0.4.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/prost-amino-derive/0.4.0
[INFO] extracting crate prost-amino-derive 0.4.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/prost-amino-derive/0.4.0
[INFO] validating manifest of prost-amino-derive-0.4.0 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 prost-amino-derive-0.4.0 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 prost-amino-derive-0.4.0
[INFO] finished frobbing prost-amino-derive-0.4.0
[INFO] frobbed toml for prost-amino-derive-0.4.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/prost-amino-derive/0.4.0/Cargo.toml
[INFO] started frobbing prost-amino-derive-0.4.0
[INFO] finished frobbing prost-amino-derive-0.4.0
[INFO] frobbed toml for prost-amino-derive-0.4.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/prost-amino-derive/0.4.0/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 prost-amino-derive-0.4.0 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-2/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/prost-amino-derive/0.4.0:/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] 184bd61f20b7e865cd13df2f6ed76fa9c14141d1097aa7b407443e1f760261af
[INFO] running `"docker" "start" "-a" "184bd61f20b7e865cd13df2f6ed76fa9c14141d1097aa7b407443e1f760261af"`
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling prost-amino-derive v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `"docker" "inspect" "184bd61f20b7e865cd13df2f6ed76fa9c14141d1097aa7b407443e1f760261af"`
[INFO] running `"docker" "rm" "-f" "184bd61f20b7e865cd13df2f6ed76fa9c14141d1097aa7b407443e1f760261af"`
[INFO] [stdout] 184bd61f20b7e865cd13df2f6ed76fa9c14141d1097aa7b407443e1f760261af
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/prost-amino-derive/0.4.0:/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] 685bec9530bb6375317b79e310e869f5407a6c37157ab2db07f18ab635e3698d
[INFO] running `"docker" "start" "-a" "685bec9530bb6375317b79e310e869f5407a6c37157ab2db07f18ab635e3698d"`
[INFO] [stderr]    Compiling prost-amino-derive v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]    --> src/lib.rs:579:9
[INFO] [stderr]     |
[INFO] [stderr] 579 |     use std::fmt;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error`
[INFO] [stderr]    --> src/lib.rs:581:9
[INFO] [stderr]     |
[INFO] [stderr] 581 |     use std::error;
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `"docker" "inspect" "685bec9530bb6375317b79e310e869f5407a6c37157ab2db07f18ab635e3698d"`
[INFO] running `"docker" "rm" "-f" "685bec9530bb6375317b79e310e869f5407a6c37157ab2db07f18ab635e3698d"`
[INFO] [stdout] 685bec9530bb6375317b79e310e869f5407a6c37157ab2db07f18ab635e3698d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/prost-amino-derive/0.4.0:/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"`
[INFO] [stdout] e786afd4d6723d22ae078569fa2d67e587536ad94e91d04e79a3f0a07480a4b3
[INFO] running `"docker" "start" "-a" "e786afd4d6723d22ae078569fa2d67e587536ad94e91d04e79a3f0a07480a4b3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prost_amino_derive-503b23c917751899
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::compare_to_go_amino ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prost-amino-derive
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e786afd4d6723d22ae078569fa2d67e587536ad94e91d04e79a3f0a07480a4b3"`
[INFO] running `"docker" "rm" "-f" "e786afd4d6723d22ae078569fa2d67e587536ad94e91d04e79a3f0a07480a4b3"`
[INFO] [stdout] e786afd4d6723d22ae078569fa2d67e587536ad94e91d04e79a3f0a07480a4b3