[INFO] updating cached repository Subh0m0y/rust-prime-example-crate
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Subh0m0y/rust-prime-example-crate
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Subh0m0y/rust-prime-example-crate" "work/ex/beta-1.38-1/sources/1.37.0/gh/Subh0m0y/rust-prime-example-crate"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Subh0m0y/rust-prime-example-crate'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Subh0m0y/rust-prime-example-crate" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Subh0m0y/rust-prime-example-crate"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Subh0m0y/rust-prime-example-crate'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] da27a9de03626d8736554b4a6a8d759dcee5f55a
[INFO] sha for GitHub repo Subh0m0y/rust-prime-example-crate: da27a9de03626d8736554b4a6a8d759dcee5f55a
[INFO] validating manifest of Subh0m0y/rust-prime-example-crate 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 Subh0m0y/rust-prime-example-crate 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 Subh0m0y/rust-prime-example-crate
[INFO] finished frobbing Subh0m0y/rust-prime-example-crate
[INFO] frobbed toml for Subh0m0y/rust-prime-example-crate written to work/ex/beta-1.38-1/sources/1.37.0/gh/Subh0m0y/rust-prime-example-crate/Cargo.toml
[INFO] started frobbing Subh0m0y/rust-prime-example-crate
[INFO] finished frobbing Subh0m0y/rust-prime-example-crate
[INFO] frobbed toml for Subh0m0y/rust-prime-example-crate written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Subh0m0y/rust-prime-example-crate/Cargo.toml
[INFO] crate Subh0m0y/rust-prime-example-crate 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] testing Subh0m0y/rust-prime-example-crate 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Subh0m0y/rust-prime-example-crate:/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] 7d0f11804a59587af280b4c020ee024cbdaaec371200ccae78371b66181cb719
[INFO] running `"docker" "start" "-a" "7d0f11804a59587af280b4c020ee024cbdaaec371200ccae78371b66181cb719"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling prime_util v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "7d0f11804a59587af280b4c020ee024cbdaaec371200ccae78371b66181cb719"`
[INFO] running `"docker" "rm" "-f" "7d0f11804a59587af280b4c020ee024cbdaaec371200ccae78371b66181cb719"`
[INFO] [stdout] 7d0f11804a59587af280b4c020ee024cbdaaec371200ccae78371b66181cb719
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Subh0m0y/rust-prime-example-crate:/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] dd9eb3f368afd507e3d1b0a316097b965509dbed3dd16742df910a1927490598
[INFO] running `"docker" "start" "-a" "dd9eb3f368afd507e3d1b0a316097b965509dbed3dd16742df910a1927490598"`
[INFO] [stderr]    Compiling prime_util v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `"docker" "inspect" "dd9eb3f368afd507e3d1b0a316097b965509dbed3dd16742df910a1927490598"`
[INFO] running `"docker" "rm" "-f" "dd9eb3f368afd507e3d1b0a316097b965509dbed3dd16742df910a1927490598"`
[INFO] [stdout] dd9eb3f368afd507e3d1b0a316097b965509dbed3dd16742df910a1927490598
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Subh0m0y/rust-prime-example-crate:/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] 0894c3315e712376cd67fd166d59f46118b6d7505fb33e5f738ea0c04cb4b90e
[INFO] running `"docker" "start" "-a" "0894c3315e712376cd67fd166d59f46118b6d7505fb33e5f738ea0c04cb4b90e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prime_util-6886a809e3e5c5e5
[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] [stderr]      Running /opt/crater/target/debug/deps/prime_util-31f3587bdf113019
[INFO] [stderr]      Running /opt/crater/target/debug/deps/extern_test-45c0b394a3c16956
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test integration_test::large_number_checks ... ok
[INFO] [stdout] test integration_test::small_number_checks ... ok
[INFO] [stdout] test integration_test::first_10_numbers_tested ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prime_util
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/prime.rs - prime::is_prime (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0894c3315e712376cd67fd166d59f46118b6d7505fb33e5f738ea0c04cb4b90e"`
[INFO] running `"docker" "rm" "-f" "0894c3315e712376cd67fd166d59f46118b6d7505fb33e5f738ea0c04cb4b90e"`
[INFO] [stdout] 0894c3315e712376cd67fd166d59f46118b6d7505fb33e5f738ea0c04cb4b90e