[INFO] updating cached repository dovidmoshecrow/Nqueens_algorithm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dovidmoshecrow/Nqueens_algorithm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dovidmoshecrow/Nqueens_algorithm" "work/ex/beta-1.38-1/sources/1.37.0/gh/dovidmoshecrow/Nqueens_algorithm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dovidmoshecrow/Nqueens_algorithm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dovidmoshecrow/Nqueens_algorithm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dovidmoshecrow/Nqueens_algorithm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dovidmoshecrow/Nqueens_algorithm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0c25e571db84032b2a923bb9c7b45f28fd3f33bf
[INFO] sha for GitHub repo dovidmoshecrow/Nqueens_algorithm: 0c25e571db84032b2a923bb9c7b45f28fd3f33bf
[INFO] validating manifest of dovidmoshecrow/Nqueens_algorithm 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 dovidmoshecrow/Nqueens_algorithm 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 dovidmoshecrow/Nqueens_algorithm
[INFO] finished frobbing dovidmoshecrow/Nqueens_algorithm
[INFO] frobbed toml for dovidmoshecrow/Nqueens_algorithm written to work/ex/beta-1.38-1/sources/1.37.0/gh/dovidmoshecrow/Nqueens_algorithm/Cargo.toml
[INFO] started frobbing dovidmoshecrow/Nqueens_algorithm
[INFO] finished frobbing dovidmoshecrow/Nqueens_algorithm
[INFO] frobbed toml for dovidmoshecrow/Nqueens_algorithm written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dovidmoshecrow/Nqueens_algorithm/Cargo.toml
[INFO] crate dovidmoshecrow/Nqueens_algorithm 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 dovidmoshecrow/Nqueens_algorithm against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dovidmoshecrow/Nqueens_algorithm:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1222e0306f956e1b37dfd5394060498476395e1025f0527d9c0516b1c3c12d5e
[INFO] running `"docker" "start" "-a" "1222e0306f956e1b37dfd5394060498476395e1025f0527d9c0516b1c3c12d5e"`
[INFO] [stderr]    Compiling queen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "1222e0306f956e1b37dfd5394060498476395e1025f0527d9c0516b1c3c12d5e"`
[INFO] running `"docker" "rm" "-f" "1222e0306f956e1b37dfd5394060498476395e1025f0527d9c0516b1c3c12d5e"`
[INFO] [stdout] 1222e0306f956e1b37dfd5394060498476395e1025f0527d9c0516b1c3c12d5e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dovidmoshecrow/Nqueens_algorithm:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 868b154a6d1c5d8808e690f967e271579b70188ad5d31b8a3ccb09b13bebda07
[INFO] running `"docker" "start" "-a" "868b154a6d1c5d8808e690f967e271579b70188ad5d31b8a3ccb09b13bebda07"`
[INFO] [stderr]    Compiling queen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "868b154a6d1c5d8808e690f967e271579b70188ad5d31b8a3ccb09b13bebda07"`
[INFO] running `"docker" "rm" "-f" "868b154a6d1c5d8808e690f967e271579b70188ad5d31b8a3ccb09b13bebda07"`
[INFO] [stdout] 868b154a6d1c5d8808e690f967e271579b70188ad5d31b8a3ccb09b13bebda07
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dovidmoshecrow/Nqueens_algorithm:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] f9bee8e5642e502e8b361b3b29e2bc5d05cede7d34c836df446fb9fb788a6aa5
[INFO] running `"docker" "start" "-a" "f9bee8e5642e502e8b361b3b29e2bc5d05cede7d34c836df446fb9fb788a6aa5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/queen-40c85cd7f6f3bc65
[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" "f9bee8e5642e502e8b361b3b29e2bc5d05cede7d34c836df446fb9fb788a6aa5"`
[INFO] running `"docker" "rm" "-f" "f9bee8e5642e502e8b361b3b29e2bc5d05cede7d34c836df446fb9fb788a6aa5"`
[INFO] [stdout] f9bee8e5642e502e8b361b3b29e2bc5d05cede7d34c836df446fb9fb788a6aa5