[INFO] updating cached repository nlflint/Sieve
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nlflint/Sieve
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nlflint/Sieve" "work/ex/beta-1.38-1/sources/1.37.0/gh/nlflint/Sieve"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nlflint/Sieve'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nlflint/Sieve" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nlflint/Sieve"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nlflint/Sieve'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 962033d154f67b4d37976ab594f54d40eb24996c
[INFO] sha for GitHub repo nlflint/Sieve: 962033d154f67b4d37976ab594f54d40eb24996c
[INFO] validating manifest of nlflint/Sieve 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 nlflint/Sieve 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 nlflint/Sieve
[INFO] finished frobbing nlflint/Sieve
[INFO] frobbed toml for nlflint/Sieve written to work/ex/beta-1.38-1/sources/1.37.0/gh/nlflint/Sieve/Cargo.toml
[INFO] started frobbing nlflint/Sieve
[INFO] finished frobbing nlflint/Sieve
[INFO] frobbed toml for nlflint/Sieve written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nlflint/Sieve/Cargo.toml
[INFO] crate nlflint/Sieve 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 nlflint/Sieve 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-6/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/nlflint/Sieve:/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] 6a949922ffce53a67c181015e16b89af08d9d190b1f714c0187d6af86fc670be
[INFO] running `"docker" "start" "-a" "6a949922ffce53a67c181015e16b89af08d9d190b1f714c0187d6af86fc670be"`
[INFO] [stderr]    Compiling Sieve v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `Sieve` 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: `sieve`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "6a949922ffce53a67c181015e16b89af08d9d190b1f714c0187d6af86fc670be"`
[INFO] running `"docker" "rm" "-f" "6a949922ffce53a67c181015e16b89af08d9d190b1f714c0187d6af86fc670be"`
[INFO] [stdout] 6a949922ffce53a67c181015e16b89af08d9d190b1f714c0187d6af86fc670be
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/nlflint/Sieve:/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] 03810211c8ceda0b40ee49b943444073619a4a23d761e58dd1d54f232e1e2f93
[INFO] running `"docker" "start" "-a" "03810211c8ceda0b40ee49b943444073619a4a23d761e58dd1d54f232e1e2f93"`
[INFO] [stderr]    Compiling Sieve v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `Sieve` 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: `sieve`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "03810211c8ceda0b40ee49b943444073619a4a23d761e58dd1d54f232e1e2f93"`
[INFO] running `"docker" "rm" "-f" "03810211c8ceda0b40ee49b943444073619a4a23d761e58dd1d54f232e1e2f93"`
[INFO] [stdout] 03810211c8ceda0b40ee49b943444073619a4a23d761e58dd1d54f232e1e2f93
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/nlflint/Sieve:/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] b6b3f5f6976cce2f8f0d0b9f3a8e874b658cb4219e566d32e4b8d2c619fda7bd
[INFO] running `"docker" "start" "-a" "b6b3f5f6976cce2f8f0d0b9f3a8e874b658cb4219e566d32e4b8d2c619fda7bd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/Sieve-b22f349e24abce9a
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test primes_to_thousand ... ok
[INFO] [stdout] test primes_to_ten ... ok
[INFO] [stdout] test primes_to_tenthousand ... ok
[INFO] [stdout] test primes_to_hundred ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b6b3f5f6976cce2f8f0d0b9f3a8e874b658cb4219e566d32e4b8d2c619fda7bd"`
[INFO] running `"docker" "rm" "-f" "b6b3f5f6976cce2f8f0d0b9f3a8e874b658cb4219e566d32e4b8d2c619fda7bd"`
[INFO] [stdout] b6b3f5f6976cce2f8f0d0b9f3a8e874b658cb4219e566d32e4b8d2c619fda7bd