[INFO] updating cached repository https://github.com/elusive/rust_prime_sieve
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b5026ce49d99e29b4551d393b3bb140f515f36f
[INFO] testing elusive/rust_prime_sieve against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felusive%2Frust_prime_sieve" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elusive/rust_prime_sieve on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 219e8bd4bc35f48a7637d5f760a56afc0a5e81d7e491aa9b532087f948f84c9c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "219e8bd4bc35f48a7637d5f760a56afc0a5e81d7e491aa9b532087f948f84c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "219e8bd4bc35f48a7637d5f760a56afc0a5e81d7e491aa9b532087f948f84c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "219e8bd4bc35f48a7637d5f760a56afc0a5e81d7e491aa9b532087f948f84c9c", kill_on_drop: false }`
[INFO] [stdout] 219e8bd4bc35f48a7637d5f760a56afc0a5e81d7e491aa9b532087f948f84c9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a852b7ca01ffe1f138795e2d1827746b27f30f105c3ac528664a17f3b54cd8e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a852b7ca01ffe1f138795e2d1827746b27f30f105c3ac528664a17f3b54cd8e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[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] [stdout] warning: variable `primeCount` should have a snake case name
[INFO] [stdout]  --> src/engine.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut primeCount = 0;
[INFO] [stdout]   |             ^^^^^^^^^^ help: convert the identifier to snake case: `prime_count`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.48s
[INFO] running `Command { std: "docker" "inspect" "a852b7ca01ffe1f138795e2d1827746b27f30f105c3ac528664a17f3b54cd8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a852b7ca01ffe1f138795e2d1827746b27f30f105c3ac528664a17f3b54cd8e1", kill_on_drop: false }`
[INFO] [stdout] a852b7ca01ffe1f138795e2d1827746b27f30f105c3ac528664a17f3b54cd8e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1788c6ed8ff63f7c852813765605bd29ed3d236746823568f897e8b96dbcd89
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f1788c6ed8ff63f7c852813765605bd29ed3d236746823568f897e8b96dbcd89", kill_on_drop: false }`
[INFO] [stderr]    Compiling primes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `primeCount` should have a snake case name
[INFO] [stdout]  --> src/engine.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut primeCount = 0;
[INFO] [stdout]   |             ^^^^^^^^^^ help: convert the identifier to snake case: `prime_count`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f1788c6ed8ff63f7c852813765605bd29ed3d236746823568f897e8b96dbcd89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1788c6ed8ff63f7c852813765605bd29ed3d236746823568f897e8b96dbcd89", kill_on_drop: false }`
[INFO] [stdout] f1788c6ed8ff63f7c852813765605bd29ed3d236746823568f897e8b96dbcd89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3282948b6784f52c0b4eb18eaa96579c3de9c127c5702a159ac080ce1a3e06eb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3282948b6784f52c0b4eb18eaa96579c3de9c127c5702a159ac080ce1a3e06eb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.20s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/primes-a2650a362a50cb21
[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 `Command { std: "docker" "inspect" "3282948b6784f52c0b4eb18eaa96579c3de9c127c5702a159ac080ce1a3e06eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3282948b6784f52c0b4eb18eaa96579c3de9c127c5702a159ac080ce1a3e06eb", kill_on_drop: false }`
[INFO] [stdout] 3282948b6784f52c0b4eb18eaa96579c3de9c127c5702a159ac080ce1a3e06eb