[INFO] updating cached repository howeih/Day-26-Karger-mincut
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/howeih/Day-26-Karger-mincut
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-26-Karger-mincut" "work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-26-Karger-mincut"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-26-Karger-mincut'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-26-Karger-mincut" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-26-Karger-mincut"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-26-Karger-mincut'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7a5bd900f6ad0add235e517b49b438d20d44708e
[INFO] sha for GitHub repo howeih/Day-26-Karger-mincut: 7a5bd900f6ad0add235e517b49b438d20d44708e
[INFO] validating manifest of howeih/Day-26-Karger-mincut 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-26-Karger-mincut 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-26-Karger-mincut
[INFO] finished frobbing howeih/Day-26-Karger-mincut
[INFO] frobbed toml for howeih/Day-26-Karger-mincut written to work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-26-Karger-mincut/Cargo.toml
[INFO] started frobbing howeih/Day-26-Karger-mincut
[INFO] finished frobbing howeih/Day-26-Karger-mincut
[INFO] frobbed toml for howeih/Day-26-Karger-mincut written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-26-Karger-mincut/Cargo.toml
[INFO] crate howeih/Day-26-Karger-mincut 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 howeih/Day-26-Karger-mincut 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-26-Karger-mincut:/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] 7cd73b5969feadbfe4b4397562bee49b4b4b9e7f4073038d85227ed44e63eb2f
[INFO] running `"docker" "start" "-a" "7cd73b5969feadbfe4b4397562bee49b4b4b9e7f4073038d85227ed44e63eb2f"`
[INFO] [stderr]    Compiling Kargers_mincut v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `Kargers_mincut` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `kargers_mincut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "7cd73b5969feadbfe4b4397562bee49b4b4b9e7f4073038d85227ed44e63eb2f"`
[INFO] running `"docker" "rm" "-f" "7cd73b5969feadbfe4b4397562bee49b4b4b9e7f4073038d85227ed44e63eb2f"`
[INFO] [stdout] 7cd73b5969feadbfe4b4397562bee49b4b4b9e7f4073038d85227ed44e63eb2f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-26-Karger-mincut:/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] 441f78e30a03caf555613354761cf9f675291feb44e3ada8d585382cdc3243b5
[INFO] running `"docker" "start" "-a" "441f78e30a03caf555613354761cf9f675291feb44e3ada8d585382cdc3243b5"`
[INFO] [stderr]    Compiling Kargers_mincut v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `Kargers_mincut` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `kargers_mincut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "441f78e30a03caf555613354761cf9f675291feb44e3ada8d585382cdc3243b5"`
[INFO] running `"docker" "rm" "-f" "441f78e30a03caf555613354761cf9f675291feb44e3ada8d585382cdc3243b5"`
[INFO] [stdout] 441f78e30a03caf555613354761cf9f675291feb44e3ada8d585382cdc3243b5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-26-Karger-mincut:/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] dce80eefd24bc0eee35cba5c563e47fbb84320e9391b7ea8a383eea2e169fc80
[INFO] running `"docker" "start" "-a" "dce80eefd24bc0eee35cba5c563e47fbb84320e9391b7ea8a383eea2e169fc80"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/Kargers_mincut-d50478d9270c62a1
[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" "dce80eefd24bc0eee35cba5c563e47fbb84320e9391b7ea8a383eea2e169fc80"`
[INFO] running `"docker" "rm" "-f" "dce80eefd24bc0eee35cba5c563e47fbb84320e9391b7ea8a383eea2e169fc80"`
[INFO] [stdout] dce80eefd24bc0eee35cba5c563e47fbb84320e9391b7ea8a383eea2e169fc80