[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-1.38-1/sources/1.37.0/reg/va_list-helper/0.0.2
[INFO] extracting crate va_list-helper 0.0.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/va_list-helper/0.0.2
[INFO] validating manifest of va_list-helper-0.0.2 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-helper-0.0.2 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-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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/va_list-helper/0.0.2/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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-helper-0.0.2 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/va_list-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 99b39b0fdc767bf5e3dcb30ab29a56b63ededb4e51b989c34e97c1ce3b87654c
[INFO] running `"docker" "start" "-a" "99b39b0fdc767bf5e3dcb30ab29a56b63ededb4e51b989c34e97c1ce3b87654c"`
[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 1.07s
[INFO] running `"docker" "inspect" "99b39b0fdc767bf5e3dcb30ab29a56b63ededb4e51b989c34e97c1ce3b87654c"`
[INFO] running `"docker" "rm" "-f" "99b39b0fdc767bf5e3dcb30ab29a56b63ededb4e51b989c34e97c1ce3b87654c"`
[INFO] [stdout] 99b39b0fdc767bf5e3dcb30ab29a56b63ededb4e51b989c34e97c1ce3b87654c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/va_list-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a198041f7227fabbf06feb2cc6556e2e5026fa96cac112620849cc0c5f3fbdd7
[INFO] running `"docker" "start" "-a" "a198041f7227fabbf06feb2cc6556e2e5026fa96cac112620849cc0c5f3fbdd7"`
[INFO] [stderr]    Compiling va_list-helper v0.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "a198041f7227fabbf06feb2cc6556e2e5026fa96cac112620849cc0c5f3fbdd7"`
[INFO] running `"docker" "rm" "-f" "a198041f7227fabbf06feb2cc6556e2e5026fa96cac112620849cc0c5f3fbdd7"`
[INFO] [stdout] a198041f7227fabbf06feb2cc6556e2e5026fa96cac112620849cc0c5f3fbdd7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/va_list-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 5a2d8968c0591cf74b1c79f36489a1725b51fa653949c114d658acc5fed4b31b
[INFO] running `"docker" "start" "-a" "5a2d8968c0591cf74b1c79f36489a1725b51fa653949c114d658acc5fed4b31b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/va_list_helper-99a8250c709a8bff
[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] [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" "5a2d8968c0591cf74b1c79f36489a1725b51fa653949c114d658acc5fed4b31b"`
[INFO] running `"docker" "rm" "-f" "5a2d8968c0591cf74b1c79f36489a1725b51fa653949c114d658acc5fed4b31b"`
[INFO] [stdout] 5a2d8968c0591cf74b1c79f36489a1725b51fa653949c114d658acc5fed4b31b