[INFO] updating cached repository https://github.com/elusive/rust_prime_sieve
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 40959e483835400a860f166b63b0cb7aa87bda10
[INFO] testing elusive/rust_prime_sieve against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felusive%2Frust_prime_sieve" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elusive/rust_prime_sieve on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/elusive/rust_prime_sieve
[INFO] finished tweaking git repo https://github.com/elusive/rust_prime_sieve
[INFO] tweaked toml for git repo https://github.com/elusive/rust_prime_sieve written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/elusive/rust_prime_sieve already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fec806c7e0db113a397c4b8da5965fe40a6b6f3959576fcc9fe650465107497c
[INFO] running `"docker" "start" "-a" "fec806c7e0db113a397c4b8da5965fe40a6b6f3959576fcc9fe650465107497c"`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling stopwatch v0.0.7
[INFO] [stderr]    Compiling primes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable `primeCount` should have a snake case name
[INFO] [stderr]  --> src/engine.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut primeCount = 0;
[INFO] [stderr]   |             ^^^^^^^^^^ help: convert the identifier to snake case: `prime_count`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.31s
[INFO] running `"docker" "inspect" "fec806c7e0db113a397c4b8da5965fe40a6b6f3959576fcc9fe650465107497c"`
[INFO] running `"docker" "rm" "-f" "fec806c7e0db113a397c4b8da5965fe40a6b6f3959576fcc9fe650465107497c"`
[INFO] [stdout] fec806c7e0db113a397c4b8da5965fe40a6b6f3959576fcc9fe650465107497c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 744b3f3a668ce6d36b9fc2f67bf4b4921c7fa1b45a4be50f66f31add8d0a5150
[INFO] running `"docker" "start" "-a" "744b3f3a668ce6d36b9fc2f67bf4b4921c7fa1b45a4be50f66f31add8d0a5150"`
[INFO] [stderr]    Compiling primes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable `primeCount` should have a snake case name
[INFO] [stderr]  --> src/engine.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut primeCount = 0;
[INFO] [stderr]   |             ^^^^^^^^^^ help: convert the identifier to snake case: `prime_count`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "744b3f3a668ce6d36b9fc2f67bf4b4921c7fa1b45a4be50f66f31add8d0a5150"`
[INFO] running `"docker" "rm" "-f" "744b3f3a668ce6d36b9fc2f67bf4b4921c7fa1b45a4be50f66f31add8d0a5150"`
[INFO] [stdout] 744b3f3a668ce6d36b9fc2f67bf4b4921c7fa1b45a4be50f66f31add8d0a5150
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 114e913703309246db964526fe2572cb4a0c26fa14e2d369196736b1cefa73e2
[INFO] running `"docker" "start" "-a" "114e913703309246db964526fe2572cb4a0c26fa14e2d369196736b1cefa73e2"`
[INFO] [stderr] warning: variable `primeCount` should have a snake case name
[INFO] [stderr]  --> src/engine.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut primeCount = 0;
[INFO] [stderr]   |             ^^^^^^^^^^ help: convert the identifier to snake case: `prime_count`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/primes-31b39a007607afcd
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test engine::tests::test_primes_returns_expected_value ... 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" "114e913703309246db964526fe2572cb4a0c26fa14e2d369196736b1cefa73e2"`
[INFO] running `"docker" "rm" "-f" "114e913703309246db964526fe2572cb4a0c26fa14e2d369196736b1cefa73e2"`
[INFO] [stdout] 114e913703309246db964526fe2572cb4a0c26fa14e2d369196736b1cefa73e2