[INFO] updating cached repository rainbowbismuth/git-descendants
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rainbowbismuth/git-descendants
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rainbowbismuth/git-descendants" "work/ex/beta-1.38-1/sources/1.37.0/gh/rainbowbismuth/git-descendants"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rainbowbismuth/git-descendants'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rainbowbismuth/git-descendants" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rainbowbismuth/git-descendants"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rainbowbismuth/git-descendants'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] db62dc11026d8b6b2bd650389682815c92d23faa
[INFO] sha for GitHub repo rainbowbismuth/git-descendants: db62dc11026d8b6b2bd650389682815c92d23faa
[INFO] validating manifest of rainbowbismuth/git-descendants 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 rainbowbismuth/git-descendants 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 rainbowbismuth/git-descendants
[INFO] finished frobbing rainbowbismuth/git-descendants
[INFO] frobbed toml for rainbowbismuth/git-descendants written to work/ex/beta-1.38-1/sources/1.37.0/gh/rainbowbismuth/git-descendants/Cargo.toml
[INFO] started frobbing rainbowbismuth/git-descendants
[INFO] finished frobbing rainbowbismuth/git-descendants
[INFO] frobbed toml for rainbowbismuth/git-descendants written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rainbowbismuth/git-descendants/Cargo.toml
[INFO] crate rainbowbismuth/git-descendants 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 rainbowbismuth/git-descendants against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rainbowbismuth/git-descendants:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e0d20154120ac34945b61583774c98f2d3bdf8f57ec1b3cf31f4df02e86993cb
[INFO] running `"docker" "start" "-a" "e0d20154120ac34945b61583774c98f2d3bdf8f57ec1b3cf31f4df02e86993cb"`
[INFO] [stderr]    Compiling rustc-demangle v0.1.6
[INFO] [stderr]    Compiling openssl-sys v0.9.26
[INFO] [stderr]    Compiling cmake v0.1.29
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling curl-sys v0.4.1
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling clap v2.30.0
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling libssh2-sys v0.2.6
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling git2 v0.6.11
[INFO] [stderr]    Compiling git-descendents v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 11s
[INFO] running `"docker" "inspect" "e0d20154120ac34945b61583774c98f2d3bdf8f57ec1b3cf31f4df02e86993cb"`
[INFO] running `"docker" "rm" "-f" "e0d20154120ac34945b61583774c98f2d3bdf8f57ec1b3cf31f4df02e86993cb"`
[INFO] [stdout] e0d20154120ac34945b61583774c98f2d3bdf8f57ec1b3cf31f4df02e86993cb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rainbowbismuth/git-descendants:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] da594eb3e5e6dce6a855fe6293494435f3c1061e58b2ddab8239fe27a64028f6
[INFO] running `"docker" "start" "-a" "da594eb3e5e6dce6a855fe6293494435f3c1061e58b2ddab8239fe27a64028f6"`
[INFO] [stderr]    Compiling git-descendents v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "da594eb3e5e6dce6a855fe6293494435f3c1061e58b2ddab8239fe27a64028f6"`
[INFO] running `"docker" "rm" "-f" "da594eb3e5e6dce6a855fe6293494435f3c1061e58b2ddab8239fe27a64028f6"`
[INFO] [stdout] da594eb3e5e6dce6a855fe6293494435f3c1061e58b2ddab8239fe27a64028f6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rainbowbismuth/git-descendants:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 0f3780bb0d1a627ba034270c130accee9bd2377616c9f0eccfa498bd96d4faeb
[INFO] running `"docker" "start" "-a" "0f3780bb0d1a627ba034270c130accee9bd2377616c9f0eccfa498bd96d4faeb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/git_descendents-45ecaac7a5ff57b7
[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" "0f3780bb0d1a627ba034270c130accee9bd2377616c9f0eccfa498bd96d4faeb"`
[INFO] running `"docker" "rm" "-f" "0f3780bb0d1a627ba034270c130accee9bd2377616c9f0eccfa498bd96d4faeb"`
[INFO] [stdout] 0f3780bb0d1a627ba034270c130accee9bd2377616c9f0eccfa498bd96d4faeb