[INFO] updating cached repository paritytech/safe-mix
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/paritytech/safe-mix
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/paritytech/safe-mix" "work/ex/beta-1.38-1/sources/1.37.0/gh/paritytech/safe-mix"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/paritytech/safe-mix'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/paritytech/safe-mix" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/paritytech/safe-mix"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/paritytech/safe-mix'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a4b194e0abd2766faace5f36a250fb75ddfbfab
[INFO] sha for GitHub repo paritytech/safe-mix: 3a4b194e0abd2766faace5f36a250fb75ddfbfab
[INFO] validating manifest of paritytech/safe-mix 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 paritytech/safe-mix 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 paritytech/safe-mix
[INFO] finished frobbing paritytech/safe-mix
[INFO] frobbed toml for paritytech/safe-mix written to work/ex/beta-1.38-1/sources/1.37.0/gh/paritytech/safe-mix/Cargo.toml
[INFO] started frobbing paritytech/safe-mix
[INFO] finished frobbing paritytech/safe-mix
[INFO] frobbed toml for paritytech/safe-mix written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/paritytech/safe-mix/Cargo.toml
[INFO] crate paritytech/safe-mix 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing paritytech/safe-mix 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/paritytech/safe-mix:/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] 159985ded3f817c2211cc91ce8a39a82c10c7a7f8ace554f51e92534d22c896b
[INFO] running `"docker" "start" "-a" "159985ded3f817c2211cc91ce8a39a82c10c7a7f8ace554f51e92534d22c896b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling safe-mix v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "159985ded3f817c2211cc91ce8a39a82c10c7a7f8ace554f51e92534d22c896b"`
[INFO] running `"docker" "rm" "-f" "159985ded3f817c2211cc91ce8a39a82c10c7a7f8ace554f51e92534d22c896b"`
[INFO] [stdout] 159985ded3f817c2211cc91ce8a39a82c10c7a7f8ace554f51e92534d22c896b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/paritytech/safe-mix:/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] 9732889e2564941efd8a05b159d92c9fa02830e1be214ac912f16b57d7532beb
[INFO] running `"docker" "start" "-a" "9732889e2564941efd8a05b159d92c9fa02830e1be214ac912f16b57d7532beb"`
[INFO] [stderr]    Compiling safe-mix v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "9732889e2564941efd8a05b159d92c9fa02830e1be214ac912f16b57d7532beb"`
[INFO] running `"docker" "rm" "-f" "9732889e2564941efd8a05b159d92c9fa02830e1be214ac912f16b57d7532beb"`
[INFO] [stdout] 9732889e2564941efd8a05b159d92c9fa02830e1be214ac912f16b57d7532beb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/paritytech/safe-mix:/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] adeaed1d75a8ea86f7c7b7a8852ffad7cbccbc3b1d74f47705489bb293156b4e
[INFO] running `"docker" "start" "-a" "adeaed1d75a8ea86f7c7b7a8852ffad7cbccbc3b1d74f47705489bb293156b4e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/safe_mix-18103f7f17389668
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::triplet_mix_works_on_third_level ... ok
[INFO] [stdout] test tests::sub_mix_works ... ok
[INFO] [stdout] test tests::triplet_mix_works_on_second_level ... ok
[INFO] [stdout] test tests::triplet_mix_works_on_first_level ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests safe-mix
[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" "adeaed1d75a8ea86f7c7b7a8852ffad7cbccbc3b1d74f47705489bb293156b4e"`
[INFO] running `"docker" "rm" "-f" "adeaed1d75a8ea86f7c7b7a8852ffad7cbccbc3b1d74f47705489bb293156b4e"`
[INFO] [stdout] adeaed1d75a8ea86f7c7b7a8852ffad7cbccbc3b1d74f47705489bb293156b4e