[INFO] crate interfaces 0.0.4 is already in cache
[INFO] extracting crate interfaces 0.0.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/interfaces/0.0.4
[INFO] extracting crate interfaces 0.0.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/interfaces/0.0.4
[INFO] validating manifest of interfaces-0.0.4 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 interfaces-0.0.4 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 interfaces-0.0.4
[INFO] finished frobbing interfaces-0.0.4
[INFO] frobbed toml for interfaces-0.0.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/interfaces/0.0.4/Cargo.toml
[INFO] started frobbing interfaces-0.0.4
[INFO] finished frobbing interfaces-0.0.4
[INFO] frobbed toml for interfaces-0.0.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/interfaces/0.0.4/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 interfaces-0.0.4 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/interfaces/0.0.4:/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] 65cb3773a175b65ad6a3bede1b03590a500347280166513c8de0e31dbf6e2123
[INFO] running `"docker" "start" "-a" "65cb3773a175b65ad6a3bede1b03590a500347280166513c8de0e31dbf6e2123"`
[INFO] [stderr]    Compiling interfaces v0.0.4 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'gcc::Build': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]   --> build.rs:26:19
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let mut cfg = gcc::Build::new();
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'gcc::Build::new': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]   --> build.rs:26:19
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let mut cfg = gcc::Build::new();
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `"docker" "inspect" "65cb3773a175b65ad6a3bede1b03590a500347280166513c8de0e31dbf6e2123"`
[INFO] running `"docker" "rm" "-f" "65cb3773a175b65ad6a3bede1b03590a500347280166513c8de0e31dbf6e2123"`
[INFO] [stdout] 65cb3773a175b65ad6a3bede1b03590a500347280166513c8de0e31dbf6e2123
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/interfaces/0.0.4:/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] 99f3a33edb33c4f6d9e92b0753a3f3b78827b80ed8656cd87515da2d48d15851
[INFO] running `"docker" "start" "-a" "99f3a33edb33c4f6d9e92b0753a3f3b78827b80ed8656cd87515da2d48d15851"`
[INFO] [stderr]    Compiling interfaces v0.0.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "99f3a33edb33c4f6d9e92b0753a3f3b78827b80ed8656cd87515da2d48d15851"`
[INFO] running `"docker" "rm" "-f" "99f3a33edb33c4f6d9e92b0753a3f3b78827b80ed8656cd87515da2d48d15851"`
[INFO] [stdout] 99f3a33edb33c4f6d9e92b0753a3f3b78827b80ed8656cd87515da2d48d15851
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/interfaces/0.0.4:/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] 7c634711bf46e827c436565a241f0ac538905ca63220f8cbd32f8420fa881d6f
[INFO] running `"docker" "start" "-a" "7c634711bf46e827c436565a241f0ac538905ca63220f8cbd32f8420fa881d6f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/interfaces-29ec6a8cdab1e66c
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test constants::tests::test_not_existing ... ok
[INFO] [stdout] test constants::tests::test_existing ... ok
[INFO] [stdout] test ffi::tests::test_make_int16 ... ok
[INFO] [stdout] test error::tests::test_error_has_traits ... ok
[INFO] [stdout] test tests::test_hardwareaddr_deriving ... ok
[INFO] [stdout] test tests::test_hardwareaddr_format ... ok
[INFO] [stdout] test tests::test_interface_is_comparable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests interfaces
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - HardwareAddr::as_bare_string (line 147) ... ok
[INFO] [stdout] test src/lib.rs - Interface::get_by_name (line 288) ... ok
[INFO] [stdout] test src/lib.rs - HardwareAddr::as_bytes (line 167) ... ok
[INFO] [stdout] test src/lib.rs - HardwareAddr::as_string (line 126) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7c634711bf46e827c436565a241f0ac538905ca63220f8cbd32f8420fa881d6f"`
[INFO] running `"docker" "rm" "-f" "7c634711bf46e827c436565a241f0ac538905ca63220f8cbd32f8420fa881d6f"`
[INFO] [stdout] 7c634711bf46e827c436565a241f0ac538905ca63220f8cbd32f8420fa881d6f