[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-1.38-1/sources/1.37.0/gh/don-smith/rusty-chain"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/don-smith/rusty-chain'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/don-smith/rusty-chain" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/don-smith/rusty-chain"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of don-smith/rusty-chain 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 don-smith/rusty-chain
[INFO] finished frobbing don-smith/rusty-chain
[INFO] frobbed toml for don-smith/rusty-chain written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 don-smith/rusty-chain 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 38987a451a5525bd3bc7bac862a0db3124c884a2d8b8d2d2e90e72d53f126d11
[INFO] running `"docker" "start" "-a" "38987a451a5525bd3bc7bac862a0db3124c884a2d8b8d2d2e90e72d53f126d11"`
[INFO] [stderr]    Compiling bincode v1.0.0
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling serde_derive v1.0.43
[INFO] [stderr]    Compiling rusty-chain v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.67s
[INFO] running `"docker" "inspect" "38987a451a5525bd3bc7bac862a0db3124c884a2d8b8d2d2e90e72d53f126d11"`
[INFO] running `"docker" "rm" "-f" "38987a451a5525bd3bc7bac862a0db3124c884a2d8b8d2d2e90e72d53f126d11"`
[INFO] [stdout] 38987a451a5525bd3bc7bac862a0db3124c884a2d8b8d2d2e90e72d53f126d11
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 767481302aa7fca9f22a82978e675db5c7ad677f24399d764d012ce2851f7dd5
[INFO] running `"docker" "start" "-a" "767481302aa7fca9f22a82978e675db5c7ad677f24399d764d012ce2851f7dd5"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rusty-chain v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "767481302aa7fca9f22a82978e675db5c7ad677f24399d764d012ce2851f7dd5"`
[INFO] running `"docker" "rm" "-f" "767481302aa7fca9f22a82978e675db5c7ad677f24399d764d012ce2851f7dd5"`
[INFO] [stdout] 767481302aa7fca9f22a82978e675db5c7ad677f24399d764d012ce2851f7dd5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 510ffab61e427aad3fbe1b6a690e2945c942f238ae5733f7854949a7cd33d164
[INFO] running `"docker" "start" "-a" "510ffab61e427aad3fbe1b6a690e2945c942f238ae5733f7854949a7cd33d164"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusty_chain-a01e5aa6ffc84edb
[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" "510ffab61e427aad3fbe1b6a690e2945c942f238ae5733f7854949a7cd33d164"`
[INFO] running `"docker" "rm" "-f" "510ffab61e427aad3fbe1b6a690e2945c942f238ae5733f7854949a7cd33d164"`
[INFO] [stdout] 510ffab61e427aad3fbe1b6a690e2945c942f238ae5733f7854949a7cd33d164