[INFO] updating cached repository don-smith/rusty-chain
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/don-smith/rusty-chain
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/don-smith/rusty-chain" "work/ex/beta-1.37-6/sources/1.36.0/gh/don-smith/rusty-chain"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/don-smith/rusty-chain'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/don-smith/rusty-chain" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/don-smith/rusty-chain"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/don-smith/rusty-chain'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5749ba512b72f51c9be38e157cdc16aee63a0711
[INFO] sha for GitHub repo don-smith/rusty-chain: 5749ba512b72f51c9be38e157cdc16aee63a0711
[INFO] validating manifest of don-smith/rusty-chain 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 don-smith/rusty-chain 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 don-smith/rusty-chain
[INFO] finished frobbing don-smith/rusty-chain
[INFO] frobbed toml for don-smith/rusty-chain written to work/ex/beta-1.37-6/sources/1.36.0/gh/don-smith/rusty-chain/Cargo.toml
[INFO] started frobbing don-smith/rusty-chain
[INFO] finished frobbing don-smith/rusty-chain
[INFO] frobbed toml for don-smith/rusty-chain written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/don-smith/rusty-chain/Cargo.toml
[INFO] crate don-smith/rusty-chain 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 don-smith/rusty-chain 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-2/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/don-smith/rusty-chain:/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] a9512dc8ad2947f9f04799aa9335dd658c7105f6548137441227a6fd57a5c74a
[INFO] running `"docker" "start" "-a" "a9512dc8ad2947f9f04799aa9335dd658c7105f6548137441227a6fd57a5c74a"`
[INFO] [stderr]    Compiling serde v1.0.43
[INFO] [stderr]    Compiling proc-macro2 v0.3.7
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling serde_derive v1.0.43
[INFO] [stderr]    Compiling bincode v1.0.0
[INFO] [stderr]    Compiling rusty-chain v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.14s
[INFO] running `"docker" "inspect" "a9512dc8ad2947f9f04799aa9335dd658c7105f6548137441227a6fd57a5c74a"`
[INFO] running `"docker" "rm" "-f" "a9512dc8ad2947f9f04799aa9335dd658c7105f6548137441227a6fd57a5c74a"`
[INFO] [stdout] a9512dc8ad2947f9f04799aa9335dd658c7105f6548137441227a6fd57a5c74a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/don-smith/rusty-chain:/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] 0398c22613677eb59015456a3c35c4aee05d1c36e6f99db4b18256a1048156f7
[INFO] running `"docker" "start" "-a" "0398c22613677eb59015456a3c35c4aee05d1c36e6f99db4b18256a1048156f7"`
[INFO] [stderr]    Compiling rusty-chain v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "0398c22613677eb59015456a3c35c4aee05d1c36e6f99db4b18256a1048156f7"`
[INFO] running `"docker" "rm" "-f" "0398c22613677eb59015456a3c35c4aee05d1c36e6f99db4b18256a1048156f7"`
[INFO] [stdout] 0398c22613677eb59015456a3c35c4aee05d1c36e6f99db4b18256a1048156f7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/don-smith/rusty-chain:/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] a23683db0fc990c6d1ccaef9a9f076650bf01b70d35a5413b9575c89ac2c925a
[INFO] running `"docker" "start" "-a" "a23683db0fc990c6d1ccaef9a9f076650bf01b70d35a5413b9575c89ac2c925a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusty_chain-97b3455a166aa8e5
[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" "a23683db0fc990c6d1ccaef9a9f076650bf01b70d35a5413b9575c89ac2c925a"`
[INFO] running `"docker" "rm" "-f" "a23683db0fc990c6d1ccaef9a9f076650bf01b70d35a5413b9575c89ac2c925a"`
[INFO] [stdout] a23683db0fc990c6d1ccaef9a9f076650bf01b70d35a5413b9575c89ac2c925a