[INFO] updating cached repository cruessler/git-tree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cruessler/git-tree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cruessler/git-tree" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/cruessler/git-tree"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/cruessler/git-tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cruessler/git-tree" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/cruessler/git-tree"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/cruessler/git-tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1f4c729332f170ed93abbf61d741f9f49f2db48b
[INFO] sha for GitHub repo cruessler/git-tree: 1f4c729332f170ed93abbf61d741f9f49f2db48b
[INFO] validating manifest of cruessler/git-tree on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cruessler/git-tree on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cruessler/git-tree
[INFO] finished frobbing cruessler/git-tree
[INFO] frobbed toml for cruessler/git-tree written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/cruessler/git-tree/Cargo.toml
[INFO] started frobbing cruessler/git-tree
[INFO] finished frobbing cruessler/git-tree
[INFO] frobbed toml for cruessler/git-tree written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/cruessler/git-tree/Cargo.toml
[INFO] crate cruessler/git-tree has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cruessler/git-tree against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/cruessler/git-tree:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 4d4b9e843bea031be457a312c858bb760b465e9dcb4d20f6f44e1d03b751df73
[INFO] running `"docker" "start" "-a" "4d4b9e843bea031be457a312c858bb760b465e9dcb4d20f6f44e1d03b751df73"`
[INFO] [stderr]    Compiling ansi_term v0.10.1
[INFO] [stderr]    Compiling libgit2-sys v0.6.14
[INFO] [stderr]    Compiling libz-sys v1.0.16
[INFO] [stderr]    Compiling openssl-sys v0.9.17
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling clap v2.26.2
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling libssh2-sys v0.2.6
[INFO] [stderr]    Compiling curl-sys v0.3.14
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling git2 v0.6.8
[INFO] [stderr]    Compiling git-tree v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.24s
[INFO] running `"docker" "inspect" "4d4b9e843bea031be457a312c858bb760b465e9dcb4d20f6f44e1d03b751df73"`
[INFO] running `"docker" "rm" "-f" "4d4b9e843bea031be457a312c858bb760b465e9dcb4d20f6f44e1d03b751df73"`
[INFO] [stdout] 4d4b9e843bea031be457a312c858bb760b465e9dcb4d20f6f44e1d03b751df73
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/cruessler/git-tree:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] c720d0c21a5c829ec8ccb375e87982a5235af371ba6a0d6830d5a1820f4b7a0f
[INFO] running `"docker" "start" "-a" "c720d0c21a5c829ec8ccb375e87982a5235af371ba6a0d6830d5a1820f4b7a0f"`
[INFO] [stderr]    Compiling git-tree v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "c720d0c21a5c829ec8ccb375e87982a5235af371ba6a0d6830d5a1820f4b7a0f"`
[INFO] running `"docker" "rm" "-f" "c720d0c21a5c829ec8ccb375e87982a5235af371ba6a0d6830d5a1820f4b7a0f"`
[INFO] [stdout] c720d0c21a5c829ec8ccb375e87982a5235af371ba6a0d6830d5a1820f4b7a0f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/cruessler/git-tree:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] c301cbf71a3207a2279881e6d69d11f2f327ea0531f2c4cae05657ab91454eef
[INFO] running `"docker" "start" "-a" "c301cbf71a3207a2279881e6d69d11f2f327ea0531f2c4cae05657ab91454eef"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/git_tree-2ad461a8a4f278ee
[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" "c301cbf71a3207a2279881e6d69d11f2f327ea0531f2c4cae05657ab91454eef"`
[INFO] running `"docker" "rm" "-f" "c301cbf71a3207a2279881e6d69d11f2f327ea0531f2c4cae05657ab91454eef"`
[INFO] [stdout] c301cbf71a3207a2279881e6d69d11f2f327ea0531f2c4cae05657ab91454eef