[INFO] crate va_list-helper 0.0.2 is already in cache
[INFO] extracting crate va_list-helper 0.0.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/va_list-helper/0.0.2
[INFO] extracting crate va_list-helper 0.0.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/va_list-helper/0.0.2
[INFO] validating manifest of va_list-helper-0.0.2 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 va_list-helper-0.0.2 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 va_list-helper-0.0.2
[INFO] finished frobbing va_list-helper-0.0.2
[INFO] frobbed toml for va_list-helper-0.0.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/va_list-helper/0.0.2/Cargo.toml
[INFO] started frobbing va_list-helper-0.0.2
[INFO] finished frobbing va_list-helper-0.0.2
[INFO] frobbed toml for va_list-helper-0.0.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/va_list-helper/0.0.2/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 va_list-helper-0.0.2 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/va_list-helper/0.0.2:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 2db760b774e650acc763abfc0ff81fbfac0199367614301897eca131f3405b39
[INFO] running `"docker" "start" "-a" "2db760b774e650acc763abfc0ff81fbfac0199367614301897eca131f3405b39"`
[INFO] [stderr]    Compiling va_list-helper v0.0.2 (/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" "2db760b774e650acc763abfc0ff81fbfac0199367614301897eca131f3405b39"`
[INFO] running `"docker" "rm" "-f" "2db760b774e650acc763abfc0ff81fbfac0199367614301897eca131f3405b39"`
[INFO] [stdout] 2db760b774e650acc763abfc0ff81fbfac0199367614301897eca131f3405b39
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/va_list-helper/0.0.2:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 46f5f7659e70015b325e2ab1267c49395c6c174da18fd9474df4b4830000d765
[INFO] running `"docker" "start" "-a" "46f5f7659e70015b325e2ab1267c49395c6c174da18fd9474df4b4830000d765"`
[INFO] [stderr]    Compiling va_list-helper v0.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "46f5f7659e70015b325e2ab1267c49395c6c174da18fd9474df4b4830000d765"`
[INFO] running `"docker" "rm" "-f" "46f5f7659e70015b325e2ab1267c49395c6c174da18fd9474df4b4830000d765"`
[INFO] [stdout] 46f5f7659e70015b325e2ab1267c49395c6c174da18fd9474df4b4830000d765
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/va_list-helper/0.0.2:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 4c7c2fe9ad5f1f7eb7030cd5285a72fe78aee5f4fc6e1ca64521721f8330a1e7
[INFO] running `"docker" "start" "-a" "4c7c2fe9ad5f1f7eb7030cd5285a72fe78aee5f4fc6e1ca64521721f8330a1e7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/va_list_helper-bef4ca7819b861b5
[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-helper
[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" "4c7c2fe9ad5f1f7eb7030cd5285a72fe78aee5f4fc6e1ca64521721f8330a1e7"`
[INFO] running `"docker" "rm" "-f" "4c7c2fe9ad5f1f7eb7030cd5285a72fe78aee5f4fc6e1ca64521721f8330a1e7"`
[INFO] [stdout] 4c7c2fe9ad5f1f7eb7030cd5285a72fe78aee5f4fc6e1ca64521721f8330a1e7