[INFO] updating cached repository jstarry/ledger-stats
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jstarry/ledger-stats
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jstarry/ledger-stats" "work/ex/beta-1.37-6/sources/1.36.0/gh/jstarry/ledger-stats"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jstarry/ledger-stats'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jstarry/ledger-stats" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jstarry/ledger-stats"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jstarry/ledger-stats'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2e0ccc930e4263c296770817bb00744b15bb1038
[INFO] sha for GitHub repo jstarry/ledger-stats: 2e0ccc930e4263c296770817bb00744b15bb1038
[INFO] validating manifest of jstarry/ledger-stats on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jstarry/ledger-stats on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jstarry/ledger-stats
[INFO] finished frobbing jstarry/ledger-stats
[INFO] frobbed toml for jstarry/ledger-stats written to work/ex/beta-1.37-6/sources/1.36.0/gh/jstarry/ledger-stats/Cargo.toml
[INFO] started frobbing jstarry/ledger-stats
[INFO] finished frobbing jstarry/ledger-stats
[INFO] frobbed toml for jstarry/ledger-stats written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jstarry/ledger-stats/Cargo.toml
[INFO] crate jstarry/ledger-stats already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jstarry/ledger-stats against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jstarry/ledger-stats:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 5c596b9cefa055fa463e33b19b1a679339de067aa730de26f5238c930b7dcd82
[INFO] running `"docker" "start" "-a" "5c596b9cefa055fa463e33b19b1a679339de067aa730de26f5238c930b7dcd82"`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.26
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling ledgerstats v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.71s
[INFO] running `"docker" "inspect" "5c596b9cefa055fa463e33b19b1a679339de067aa730de26f5238c930b7dcd82"`
[INFO] running `"docker" "rm" "-f" "5c596b9cefa055fa463e33b19b1a679339de067aa730de26f5238c930b7dcd82"`
[INFO] [stdout] 5c596b9cefa055fa463e33b19b1a679339de067aa730de26f5238c930b7dcd82
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jstarry/ledger-stats:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4ff1447286ed794b7a336d05e10245dbe12953768400788abda853e7ed5729e4
[INFO] running `"docker" "start" "-a" "4ff1447286ed794b7a336d05e10245dbe12953768400788abda853e7ed5729e4"`
[INFO] [stderr]    Compiling ledgerstats v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `"docker" "inspect" "4ff1447286ed794b7a336d05e10245dbe12953768400788abda853e7ed5729e4"`
[INFO] running `"docker" "rm" "-f" "4ff1447286ed794b7a336d05e10245dbe12953768400788abda853e7ed5729e4"`
[INFO] [stdout] 4ff1447286ed794b7a336d05e10245dbe12953768400788abda853e7ed5729e4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jstarry/ledger-stats:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] ca913c962eed9b507b57e4d259a303444a5cb75b0a2da398eefd200a280a0ae3
[INFO] running `"docker" "start" "-a" "ca913c962eed9b507b57e4d259a303444a5cb75b0a2da398eefd200a280a0ae3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ledgerstats-641cbcbbc6950532
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test ledger::parse::tests::test_parse ... ok
[INFO] [stdout] test ledger::parse::tests::test_parse_cycle ... ok
[INFO] [stdout] test ledger::parse::tests::test_parse_empty ... ok
[INFO] [stdout] test ledger::parse::tests::test_parse_node ... ok
[INFO] [stdout] test ledger::parse::tests::test_parse_node_future_ref ... ok
[INFO] [stdout] test ledger::parse::tests::test_parse_node_early_timestamp ... ok
[INFO] [stdout] test ledger::parse::tests::test_parse_handle_invalids ... ok
[INFO] [stdout] test ledger::parse::tests::test_parse_node_self_ref ... ok
[INFO] [stdout] test ledger::parse::tests::test_parse_node_invalid_timestamp ... ok
[INFO] [stdout] test ledger::parse::tests::test_parse_node_no_valid_ref ... ok
[INFO] [stdout] test ledger::stats::tests::test_compute_stats ... ok
[INFO] [stdout] test ledger::parse::tests::test_parse_node_zero_node ... ok
[INFO] [stdout] test ledger::stats::tests::test_compute_stats_cycle ... ok
[INFO] [stdout] test ledger::stats::tests::test_compute_stats_high_rate ... ok
[INFO] [stdout] test ledger::stats::tests::test_compute_stats_empty ... ok
[INFO] [stdout] test ledger::parse::tests::test_parse_node_invalid ... ok
[INFO] [stdout] test ledger::stats::tests::test_compute_stats_none_valid ... ok
[INFO] [stdout] test ledger::stats::tests::test_compute_stats_invalid_nodes ... ok
[INFO] [stdout] test ledger::parse::tests::test_parse_missing_line ... ok
[INFO] [stdout] test ledger::parse::tests::test_parse_input_err ... ok
[INFO] [stdout] test ledger::parse::tests::test_parse_err ... ok
[INFO] [stdout] test ledger::parse::tests::test_parse_read_err ... ok
[INFO] [stdout] test ledger::parse::tests::test_parse_extra_line ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ca913c962eed9b507b57e4d259a303444a5cb75b0a2da398eefd200a280a0ae3"`
[INFO] running `"docker" "rm" "-f" "ca913c962eed9b507b57e4d259a303444a5cb75b0a2da398eefd200a280a0ae3"`
[INFO] [stdout] ca913c962eed9b507b57e4d259a303444a5cb75b0a2da398eefd200a280a0ae3