[INFO] updating cached repository howeih/Day-33-Reservoir-sampling
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/howeih/Day-33-Reservoir-sampling
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-33-Reservoir-sampling" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/howeih/Day-33-Reservoir-sampling"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/howeih/Day-33-Reservoir-sampling'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-33-Reservoir-sampling" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/howeih/Day-33-Reservoir-sampling"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/howeih/Day-33-Reservoir-sampling'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] df8aff5b02fb3fc163b35974ec4dd335a1c806f5
[INFO] sha for GitHub repo howeih/Day-33-Reservoir-sampling: df8aff5b02fb3fc163b35974ec4dd335a1c806f5
[INFO] validating manifest of howeih/Day-33-Reservoir-sampling on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of howeih/Day-33-Reservoir-sampling on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing howeih/Day-33-Reservoir-sampling
[INFO] finished frobbing howeih/Day-33-Reservoir-sampling
[INFO] frobbed toml for howeih/Day-33-Reservoir-sampling written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/howeih/Day-33-Reservoir-sampling/Cargo.toml
[INFO] started frobbing howeih/Day-33-Reservoir-sampling
[INFO] finished frobbing howeih/Day-33-Reservoir-sampling
[INFO] frobbed toml for howeih/Day-33-Reservoir-sampling written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/howeih/Day-33-Reservoir-sampling/Cargo.toml
[INFO] crate howeih/Day-33-Reservoir-sampling has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing howeih/Day-33-Reservoir-sampling against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/howeih/Day-33-Reservoir-sampling:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 6bbdf3baa49be865ce8d2d345013c7e298bd6dcf3db7e87b9fd45ce60b7355a7
[INFO] running `"docker" "start" "-a" "6bbdf3baa49be865ce8d2d345013c7e298bd6dcf3db7e87b9fd45ce60b7355a7"`
[INFO] [stderr]    Compiling rand v0.5.4
[INFO] [stderr]    Compiling reservoir_sampling v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `"docker" "inspect" "6bbdf3baa49be865ce8d2d345013c7e298bd6dcf3db7e87b9fd45ce60b7355a7"`
[INFO] running `"docker" "rm" "-f" "6bbdf3baa49be865ce8d2d345013c7e298bd6dcf3db7e87b9fd45ce60b7355a7"`
[INFO] [stdout] 6bbdf3baa49be865ce8d2d345013c7e298bd6dcf3db7e87b9fd45ce60b7355a7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/howeih/Day-33-Reservoir-sampling:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 13eacda0877ff7a3c36b1dea99ae30574ef77561020dfb427cdd02c73ba4f1bf
[INFO] running `"docker" "start" "-a" "13eacda0877ff7a3c36b1dea99ae30574ef77561020dfb427cdd02c73ba4f1bf"`
[INFO] [stderr]    Compiling reservoir_sampling v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "13eacda0877ff7a3c36b1dea99ae30574ef77561020dfb427cdd02c73ba4f1bf"`
[INFO] running `"docker" "rm" "-f" "13eacda0877ff7a3c36b1dea99ae30574ef77561020dfb427cdd02c73ba4f1bf"`
[INFO] [stdout] 13eacda0877ff7a3c36b1dea99ae30574ef77561020dfb427cdd02c73ba4f1bf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/howeih/Day-33-Reservoir-sampling:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 78bcf8fc78212c5bdb8977d75aac3cd1df6fe7be835169916f3819310412c816
[INFO] running `"docker" "start" "-a" "78bcf8fc78212c5bdb8977d75aac3cd1df6fe7be835169916f3819310412c816"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/reservoir_sampling-f1faf45e755857a8
[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" "78bcf8fc78212c5bdb8977d75aac3cd1df6fe7be835169916f3819310412c816"`
[INFO] running `"docker" "rm" "-f" "78bcf8fc78212c5bdb8977d75aac3cd1df6fe7be835169916f3819310412c816"`
[INFO] [stdout] 78bcf8fc78212c5bdb8977d75aac3cd1df6fe7be835169916f3819310412c816