[INFO] updating cached repository mstange/merge-dags
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mstange/merge-dags
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mstange/merge-dags" "work/ex/beta-1.38-1/sources/1.37.0/gh/mstange/merge-dags"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mstange/merge-dags'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mstange/merge-dags" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mstange/merge-dags"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mstange/merge-dags'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ab5626cdda1412d1833c8a6d5c08a57ee90ab230
[INFO] sha for GitHub repo mstange/merge-dags: ab5626cdda1412d1833c8a6d5c08a57ee90ab230
[INFO] validating manifest of mstange/merge-dags 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 mstange/merge-dags 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 mstange/merge-dags
[INFO] finished frobbing mstange/merge-dags
[INFO] frobbed toml for mstange/merge-dags written to work/ex/beta-1.38-1/sources/1.37.0/gh/mstange/merge-dags/Cargo.toml
[INFO] started frobbing mstange/merge-dags
[INFO] finished frobbing mstange/merge-dags
[INFO] frobbed toml for mstange/merge-dags written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mstange/merge-dags/Cargo.toml
[INFO] crate mstange/merge-dags 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mstange/merge-dags 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-7/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/mstange/merge-dags:/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] edfc4428367118a138c0331c3d67089d5bef036d70d6a576de1c13553e108dbd
[INFO] running `"docker" "start" "-a" "edfc4428367118a138c0331c3d67089d5bef036d70d6a576de1c13553e108dbd"`
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling euclid v0.17.2
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling merge-dags v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.53s
[INFO] running `"docker" "inspect" "edfc4428367118a138c0331c3d67089d5bef036d70d6a576de1c13553e108dbd"`
[INFO] running `"docker" "rm" "-f" "edfc4428367118a138c0331c3d67089d5bef036d70d6a576de1c13553e108dbd"`
[INFO] [stdout] edfc4428367118a138c0331c3d67089d5bef036d70d6a576de1c13553e108dbd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/mstange/merge-dags:/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] 5a3a1b150cd35677c57ab7d1379d6798f4d8cd24d32e9b62b7bf70dcc797ac21
[INFO] running `"docker" "start" "-a" "5a3a1b150cd35677c57ab7d1379d6798f4d8cd24d32e9b62b7bf70dcc797ac21"`
[INFO] [stderr]    Compiling merge-dags v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `"docker" "inspect" "5a3a1b150cd35677c57ab7d1379d6798f4d8cd24d32e9b62b7bf70dcc797ac21"`
[INFO] running `"docker" "rm" "-f" "5a3a1b150cd35677c57ab7d1379d6798f4d8cd24d32e9b62b7bf70dcc797ac21"`
[INFO] [stdout] 5a3a1b150cd35677c57ab7d1379d6798f4d8cd24d32e9b62b7bf70dcc797ac21
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/mstange/merge-dags:/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] 1920970f67ee0bd395fccefec17711c7de59a8f37c9e0f1e170f623ea9c64d44
[INFO] running `"docker" "start" "-a" "1920970f67ee0bd395fccefec17711c7de59a8f37c9e0f1e170f623ea9c64d44"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/merge_dags-e0755cbd2ee241bb
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::insert_between_pancakes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests merge-dags
[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" "1920970f67ee0bd395fccefec17711c7de59a8f37c9e0f1e170f623ea9c64d44"`
[INFO] running `"docker" "rm" "-f" "1920970f67ee0bd395fccefec17711c7de59a8f37c9e0f1e170f623ea9c64d44"`
[INFO] [stdout] 1920970f67ee0bd395fccefec17711c7de59a8f37c9e0f1e170f623ea9c64d44