[INFO] crate prost-build 0.4.0 is already in cache
[INFO] extracting crate prost-build 0.4.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/prost-build/0.4.0
[INFO] extracting crate prost-build 0.4.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/prost-build/0.4.0
[INFO] validating manifest of prost-build-0.4.0 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of prost-build-0.4.0 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing prost-build-0.4.0
[INFO] finished frobbing prost-build-0.4.0
[INFO] frobbed toml for prost-build-0.4.0 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/prost-build/0.4.0/Cargo.toml
[INFO] started frobbing prost-build-0.4.0
[INFO] finished frobbing prost-build-0.4.0
[INFO] frobbed toml for prost-build-0.4.0 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/prost-build/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing prost-build-0.4.0 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/prost-build/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=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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 973db4fc8211e4e291501ff87f9b2c0e3314240e49e6d541cb43d6e40c425348
[INFO] running `"docker" "start" "-a" "973db4fc8211e4e291501ff87f9b2c0e3314240e49e6d541cb43d6e40c425348"`
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-types v0.4.0
[INFO] [stderr]    Compiling prost-build v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.31s
[INFO] running `"docker" "inspect" "973db4fc8211e4e291501ff87f9b2c0e3314240e49e6d541cb43d6e40c425348"`
[INFO] running `"docker" "rm" "-f" "973db4fc8211e4e291501ff87f9b2c0e3314240e49e6d541cb43d6e40c425348"`
[INFO] [stdout] 973db4fc8211e4e291501ff87f9b2c0e3314240e49e6d541cb43d6e40c425348
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/prost-build/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=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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3916ec544174547f89bc618e74e90d444cb12e9d42df0ed95f0db016fa24cdf0
[INFO] running `"docker" "start" "-a" "3916ec544174547f89bc618e74e90d444cb12e9d42df0ed95f0db016fa24cdf0"`
[INFO] [stderr]    Compiling prost-build v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.76s
[INFO] running `"docker" "inspect" "3916ec544174547f89bc618e74e90d444cb12e9d42df0ed95f0db016fa24cdf0"`
[INFO] running `"docker" "rm" "-f" "3916ec544174547f89bc618e74e90d444cb12e9d42df0ed95f0db016fa24cdf0"`
[INFO] [stdout] 3916ec544174547f89bc618e74e90d444cb12e9d42df0ed95f0db016fa24cdf0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/prost-build/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=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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 7eb8e7ce2dc6d328b93841b70a002469e56a12c2eb302618eec6c262a4eecc48
[INFO] running `"docker" "start" "-a" "7eb8e7ce2dc6d328b93841b70a002469e56a12c2eb302618eec6c262a4eecc48"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prost_build-b6fdfc91cf8094e3
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test ident::tests::test_to_upper_camel ... ok
[INFO] [stdout] test code_generator::tests::test_unescape_c_escape_string ... ok
[INFO] [stdout] test ident::tests::test_match_ident ... ok
[INFO] [stdout] test ident::tests::test_to_snake ... ok
[INFO] [stderr]    Doc-tests prost-build
[INFO] [stdout] test tests::smoke_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs -  (line 64) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 53) ... ok
[INFO] [stdout] test src/lib.rs - Config::btree_map (line 234) ... ok
[INFO] [stdout] test src/lib.rs - Config::type_attribute (line 321) ... ok
[INFO] [stdout] test src/lib.rs - Config::field_attribute (line 289) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7eb8e7ce2dc6d328b93841b70a002469e56a12c2eb302618eec6c262a4eecc48"`
[INFO] running `"docker" "rm" "-f" "7eb8e7ce2dc6d328b93841b70a002469e56a12c2eb302618eec6c262a4eecc48"`
[INFO] [stdout] 7eb8e7ce2dc6d328b93841b70a002469e56a12c2eb302618eec6c262a4eecc48