[INFO] updating cached repository trifulca/mgit-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/trifulca/mgit-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/trifulca/mgit-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/trifulca/mgit-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/trifulca/mgit-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/trifulca/mgit-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/trifulca/mgit-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/trifulca/mgit-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ed467f8236e1cf1c993e52f464071e686e673ce1
[INFO] sha for GitHub repo trifulca/mgit-rs: ed467f8236e1cf1c993e52f464071e686e673ce1
[INFO] validating manifest of trifulca/mgit-rs 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 trifulca/mgit-rs 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 trifulca/mgit-rs
[INFO] finished frobbing trifulca/mgit-rs
[INFO] frobbed toml for trifulca/mgit-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/trifulca/mgit-rs/Cargo.toml
[INFO] started frobbing trifulca/mgit-rs
[INFO] finished frobbing trifulca/mgit-rs
[INFO] frobbed toml for trifulca/mgit-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/trifulca/mgit-rs/Cargo.toml
[INFO] crate trifulca/mgit-rs 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 trifulca/mgit-rs 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/trifulca/mgit-rs:/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] b5682abb5d346d1edcc1a307b6d4a7db57b55504fd9029524ee5ddb9776fc6bc
[INFO] running `"docker" "start" "-a" "b5682abb5d346d1edcc1a307b6d4a7db57b55504fd9029524ee5ddb9776fc6bc"`
[INFO] [stderr]    Compiling mgit-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "b5682abb5d346d1edcc1a307b6d4a7db57b55504fd9029524ee5ddb9776fc6bc"`
[INFO] running `"docker" "rm" "-f" "b5682abb5d346d1edcc1a307b6d4a7db57b55504fd9029524ee5ddb9776fc6bc"`
[INFO] [stdout] b5682abb5d346d1edcc1a307b6d4a7db57b55504fd9029524ee5ddb9776fc6bc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/trifulca/mgit-rs:/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] 0d5c0f66a4cc932c21ddca1bd234231c92d07d2311992dd304f7d0a6cf7fbca7
[INFO] running `"docker" "start" "-a" "0d5c0f66a4cc932c21ddca1bd234231c92d07d2311992dd304f7d0a6cf7fbca7"`
[INFO] [stderr]    Compiling mgit-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "0d5c0f66a4cc932c21ddca1bd234231c92d07d2311992dd304f7d0a6cf7fbca7"`
[INFO] running `"docker" "rm" "-f" "0d5c0f66a4cc932c21ddca1bd234231c92d07d2311992dd304f7d0a6cf7fbca7"`
[INFO] [stdout] 0d5c0f66a4cc932c21ddca1bd234231c92d07d2311992dd304f7d0a6cf7fbca7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/trifulca/mgit-rs:/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] 0bc6c6fd928af0b777476093028c20b49d50ad28f337bbe482b8faf3ca81958c
[INFO] running `"docker" "start" "-a" "0bc6c6fd928af0b777476093028c20b49d50ad28f337bbe482b8faf3ca81958c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mgit_rs-25fe38175b10c156
[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] [stderr]      Running /opt/crater/target/debug/deps/main_test-76aa501988163577
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test prime_factors_of_two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0bc6c6fd928af0b777476093028c20b49d50ad28f337bbe482b8faf3ca81958c"`
[INFO] running `"docker" "rm" "-f" "0bc6c6fd928af0b777476093028c20b49d50ad28f337bbe482b8faf3ca81958c"`
[INFO] [stdout] 0bc6c6fd928af0b777476093028c20b49d50ad28f337bbe482b8faf3ca81958c