[INFO] crate va_list-test 0.0.1 is already in cache
[INFO] extracting crate va_list-test 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/va_list-test/0.0.1
[INFO] extracting crate va_list-test 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/va_list-test/0.0.1
[INFO] validating manifest of va_list-test-0.0.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of va_list-test-0.0.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing va_list-test-0.0.1
[INFO] finished frobbing va_list-test-0.0.1
[INFO] frobbed toml for va_list-test-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/va_list-test/0.0.1/Cargo.toml
[INFO] started frobbing va_list-test-0.0.1
[INFO] finished frobbing va_list-test-0.0.1
[INFO] frobbed toml for va_list-test-0.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/va_list-test/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing va_list-test-0.0.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/va_list-test/0.0.1:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 1ee680b3ee0400003977f40e518eef5d1f7b3ca92c837d38d7d466769d3c63db
[INFO] running `"docker" "start" "-a" "1ee680b3ee0400003977f40e518eef5d1f7b3ca92c837d38d7d466769d3c63db"`
[INFO] [stderr]    Compiling va_list-test v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> build.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'gcc::compile_library': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]  --> build.rs:5:2
[INFO] [stderr]   |
[INFO] [stderr] 5 |     ::gcc::compile_library("libva_list_test.a", &["src/helper.c"]);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "1ee680b3ee0400003977f40e518eef5d1f7b3ca92c837d38d7d466769d3c63db"`
[INFO] running `"docker" "rm" "-f" "1ee680b3ee0400003977f40e518eef5d1f7b3ca92c837d38d7d466769d3c63db"`
[INFO] [stdout] 1ee680b3ee0400003977f40e518eef5d1f7b3ca92c837d38d7d466769d3c63db
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/va_list-test/0.0.1:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 542e4cf1380cbe6e037c28f2304454e32b750867c54bcfe375bb946fa453bed2
[INFO] running `"docker" "start" "-a" "542e4cf1380cbe6e037c28f2304454e32b750867c54bcfe375bb946fa453bed2"`
[INFO] [stderr]    Compiling va_list-test v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "542e4cf1380cbe6e037c28f2304454e32b750867c54bcfe375bb946fa453bed2"`
[INFO] running `"docker" "rm" "-f" "542e4cf1380cbe6e037c28f2304454e32b750867c54bcfe375bb946fa453bed2"`
[INFO] [stdout] 542e4cf1380cbe6e037c28f2304454e32b750867c54bcfe375bb946fa453bed2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/va_list-test/0.0.1:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c19358e82a6fe2a0842714d8a950d7e7fe2169ecdcdf6b3bed6a68ab81a7fe83
[INFO] running `"docker" "start" "-a" "c19358e82a6fe2a0842714d8a950d7e7fe2169ecdcdf6b3bed6a68ab81a7fe83"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/va_list_test-e771d26785f48fed
[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] [stderr]    Doc-tests va_list-test
[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" "c19358e82a6fe2a0842714d8a950d7e7fe2169ecdcdf6b3bed6a68ab81a7fe83"`
[INFO] running `"docker" "rm" "-f" "c19358e82a6fe2a0842714d8a950d7e7fe2169ecdcdf6b3bed6a68ab81a7fe83"`
[INFO] [stdout] c19358e82a6fe2a0842714d8a950d7e7fe2169ecdcdf6b3bed6a68ab81a7fe83