[INFO] updating cached repository howeih/Day-32-PageRank
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/howeih/Day-32-PageRank
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-32-PageRank" "work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-32-PageRank"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-32-PageRank'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-32-PageRank" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-32-PageRank"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-32-PageRank'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f25e4e86da337a638273939a39e1891b9241b771
[INFO] sha for GitHub repo howeih/Day-32-PageRank: f25e4e86da337a638273939a39e1891b9241b771
[INFO] validating manifest of howeih/Day-32-PageRank 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 howeih/Day-32-PageRank 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 howeih/Day-32-PageRank
[INFO] finished frobbing howeih/Day-32-PageRank
[INFO] frobbed toml for howeih/Day-32-PageRank written to work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-32-PageRank/Cargo.toml
[INFO] started frobbing howeih/Day-32-PageRank
[INFO] finished frobbing howeih/Day-32-PageRank
[INFO] frobbed toml for howeih/Day-32-PageRank written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-32-PageRank/Cargo.toml
[INFO] crate howeih/Day-32-PageRank 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing howeih/Day-32-PageRank 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/howeih/Day-32-PageRank:/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] b33b7c8667b3fdb1b33cb7b47bd16cfc4320fbd9794e7e61d7abf0242047cca2
[INFO] running `"docker" "start" "-a" "b33b7c8667b3fdb1b33cb7b47bd16cfc4320fbd9794e7e61d7abf0242047cca2"`
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling page_rank v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.32s
[INFO] running `"docker" "inspect" "b33b7c8667b3fdb1b33cb7b47bd16cfc4320fbd9794e7e61d7abf0242047cca2"`
[INFO] running `"docker" "rm" "-f" "b33b7c8667b3fdb1b33cb7b47bd16cfc4320fbd9794e7e61d7abf0242047cca2"`
[INFO] [stdout] b33b7c8667b3fdb1b33cb7b47bd16cfc4320fbd9794e7e61d7abf0242047cca2
[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/howeih/Day-32-PageRank:/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] 309db51e61a61502db94384673af821b4d61282d04e0f738feef4c0bd3ee8ca8
[INFO] running `"docker" "start" "-a" "309db51e61a61502db94384673af821b4d61282d04e0f738feef4c0bd3ee8ca8"`
[INFO] [stderr]    Compiling page_rank v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "309db51e61a61502db94384673af821b4d61282d04e0f738feef4c0bd3ee8ca8"`
[INFO] running `"docker" "rm" "-f" "309db51e61a61502db94384673af821b4d61282d04e0f738feef4c0bd3ee8ca8"`
[INFO] [stdout] 309db51e61a61502db94384673af821b4d61282d04e0f738feef4c0bd3ee8ca8
[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/howeih/Day-32-PageRank:/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] 47b45132856dbc2fb67e047dbbf18dda31090bcf781dbe7409fde04a81adcbfe
[INFO] running `"docker" "start" "-a" "47b45132856dbc2fb67e047dbbf18dda31090bcf781dbe7409fde04a81adcbfe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/page_rank-ff952f0cd2734e70
[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" "47b45132856dbc2fb67e047dbbf18dda31090bcf781dbe7409fde04a81adcbfe"`
[INFO] running `"docker" "rm" "-f" "47b45132856dbc2fb67e047dbbf18dda31090bcf781dbe7409fde04a81adcbfe"`
[INFO] [stdout] 47b45132856dbc2fb67e047dbbf18dda31090bcf781dbe7409fde04a81adcbfe