[INFO] crate cuo 0.3.0 is already in cache
[INFO] extracting crate cuo 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/cuo/0.3.0
[INFO] extracting crate cuo 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cuo/0.3.0
[INFO] validating manifest of cuo-0.3.0 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 cuo-0.3.0 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 cuo-0.3.0
[INFO] finished frobbing cuo-0.3.0
[INFO] frobbed toml for cuo-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/cuo/0.3.0/Cargo.toml
[INFO] started frobbing cuo-0.3.0
[INFO] finished frobbing cuo-0.3.0
[INFO] frobbed toml for cuo-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cuo/0.3.0/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 cuo-0.3.0 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cuo/0.3.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 66e8f2988f352d57a4a7a579996010bee7763a37aa86e93fbde3187bad6b15b1
[INFO] running `"docker" "start" "-a" "66e8f2988f352d57a4a7a579996010bee7763a37aa86e93fbde3187bad6b15b1"`
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling filetime v0.1.15
[INFO] [stderr]    Compiling serde_ignored v0.0.4
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling curl v0.4.22
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling crates-io v0.16.0
[INFO] [stderr]    Compiling git2 v0.7.5
[INFO] [stderr]    Compiling git2-curl v0.8.2
[INFO] [stderr]    Compiling cargo v0.27.0
[INFO] [stderr]    Compiling cuo v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:73:27
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let mut pk_path = std::env::home_dir().unwrap();
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `"docker" "inspect" "66e8f2988f352d57a4a7a579996010bee7763a37aa86e93fbde3187bad6b15b1"`
[INFO] running `"docker" "rm" "-f" "66e8f2988f352d57a4a7a579996010bee7763a37aa86e93fbde3187bad6b15b1"`
[INFO] [stdout] 66e8f2988f352d57a4a7a579996010bee7763a37aa86e93fbde3187bad6b15b1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cuo/0.3.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] df94daf626d1e55cb799a7b307cd6df6f630db243ea5980886a9f61c582ccc2c
[INFO] running `"docker" "start" "-a" "df94daf626d1e55cb799a7b307cd6df6f630db243ea5980886a9f61c582ccc2c"`
[INFO] [stderr]    Compiling cuo v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:73:27
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let mut pk_path = std::env::home_dir().unwrap();
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "df94daf626d1e55cb799a7b307cd6df6f630db243ea5980886a9f61c582ccc2c"`
[INFO] running `"docker" "rm" "-f" "df94daf626d1e55cb799a7b307cd6df6f630db243ea5980886a9f61c582ccc2c"`
[INFO] [stdout] df94daf626d1e55cb799a7b307cd6df6f630db243ea5980886a9f61c582ccc2c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cuo/0.3.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 3f0a304a713e5918f8661cd29a4dae374ffb514ee53dd1354294840667264217
[INFO] running `"docker" "start" "-a" "3f0a304a713e5918f8661cd29a4dae374ffb514ee53dd1354294840667264217"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cuo-7ab0d00b94810af3
[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" "3f0a304a713e5918f8661cd29a4dae374ffb514ee53dd1354294840667264217"`
[INFO] running `"docker" "rm" "-f" "3f0a304a713e5918f8661cd29a4dae374ffb514ee53dd1354294840667264217"`
[INFO] [stdout] 3f0a304a713e5918f8661cd29a4dae374ffb514ee53dd1354294840667264217