[INFO] updating cached repository dputtick/protobuf
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dputtick/protobuf
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dputtick/protobuf" "work/ex/beta-1.37-6/sources/1.36.0/gh/dputtick/protobuf"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/dputtick/protobuf'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dputtick/protobuf" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dputtick/protobuf"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dputtick/protobuf'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1a1b2d63afe7a8bea3ed779683353427dd57deae
[INFO] sha for GitHub repo dputtick/protobuf: 1a1b2d63afe7a8bea3ed779683353427dd57deae
[INFO] validating manifest of dputtick/protobuf 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 dputtick/protobuf 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 dputtick/protobuf
[INFO] finished frobbing dputtick/protobuf
[INFO] frobbed toml for dputtick/protobuf written to work/ex/beta-1.37-6/sources/1.36.0/gh/dputtick/protobuf/Cargo.toml
[INFO] started frobbing dputtick/protobuf
[INFO] finished frobbing dputtick/protobuf
[INFO] frobbed toml for dputtick/protobuf written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dputtick/protobuf/Cargo.toml
[INFO] crate dputtick/protobuf already has a lockfile, it will not be regenerated
[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 dputtick/protobuf against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dputtick/protobuf:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] e7f1d17d8105344f27d2d513e2510ecef88791852295e554b32027a18184578e
[INFO] running `"docker" "start" "-a" "e7f1d17d8105344f27d2d513e2510ecef88791852295e554b32027a18184578e"`
[INFO] [stderr]    Compiling protobuf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `from_bytes`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn from_bytes(slice_bytes: &[u8]) -> IntMessage {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `next_varint_pos`
[INFO] [stderr]   --> src/main.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn next_varint_pos(slice: &[u8], start: u64) -> u64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `varint_decode`
[INFO] [stderr]   --> src/main.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn varint_decode(bytes: &[u8]) -> u64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Varint`
[INFO] [stderr]   --> src/main.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     Varint,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unpack_key`
[INFO] [stderr]   --> src/main.rs:58:1
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn unpack_key(varint_key: &[u8]) -> Key {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "e7f1d17d8105344f27d2d513e2510ecef88791852295e554b32027a18184578e"`
[INFO] running `"docker" "rm" "-f" "e7f1d17d8105344f27d2d513e2510ecef88791852295e554b32027a18184578e"`
[INFO] [stdout] e7f1d17d8105344f27d2d513e2510ecef88791852295e554b32027a18184578e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dputtick/protobuf:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] ffdb3f454c25457e5ff4202a2a687557a5e6fe7cc29080c9563cc19e86126c81
[INFO] running `"docker" "start" "-a" "ffdb3f454c25457e5ff4202a2a687557a5e6fe7cc29080c9563cc19e86126c81"`
[INFO] [stderr]    Compiling protobuf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "ffdb3f454c25457e5ff4202a2a687557a5e6fe7cc29080c9563cc19e86126c81"`
[INFO] running `"docker" "rm" "-f" "ffdb3f454c25457e5ff4202a2a687557a5e6fe7cc29080c9563cc19e86126c81"`
[INFO] [stdout] ffdb3f454c25457e5ff4202a2a687557a5e6fe7cc29080c9563cc19e86126c81
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dputtick/protobuf:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] c3bd52c77e6d38950c7f00da1e6a11c30a65e6835a2795a357c94dcfe70db89e
[INFO] running `"docker" "start" "-a" "c3bd52c77e6d38950c7f00da1e6a11c30a65e6835a2795a357c94dcfe70db89e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/protobuf-c3e2e09374a94c64
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test can_roundtrip ... ok
[INFO] [stdout] test can_get_wiretype ... ok
[INFO] [stdout] test can_encode_varint ... ok
[INFO] [stdout] test can_decode_varint ... ok
[INFO] [stdout] test can_decode_intmessage ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c3bd52c77e6d38950c7f00da1e6a11c30a65e6835a2795a357c94dcfe70db89e"`
[INFO] running `"docker" "rm" "-f" "c3bd52c77e6d38950c7f00da1e6a11c30a65e6835a2795a357c94dcfe70db89e"`
[INFO] [stdout] c3bd52c77e6d38950c7f00da1e6a11c30a65e6835a2795a357c94dcfe70db89e