[INFO] fetching crate next_prime 0.1.1...
[INFO] testing next_prime-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate next_prime 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate next_prime 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate next_prime 0.1.1
[INFO] finished tweaking crates.io crate next_prime 0.1.1
[INFO] tweaked toml for crates.io crate next_prime 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11c60cac18d7dcdc75580aaf0919afe3439238148fe7eb5456ef4a95c022b347
[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" "11c60cac18d7dcdc75580aaf0919afe3439238148fe7eb5456ef4a95c022b347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11c60cac18d7dcdc75580aaf0919afe3439238148fe7eb5456ef4a95c022b347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11c60cac18d7dcdc75580aaf0919afe3439238148fe7eb5456ef4a95c022b347", kill_on_drop: false }`
[INFO] [stdout] 11c60cac18d7dcdc75580aaf0919afe3439238148fe7eb5456ef4a95c022b347
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b637c7548e4298992bae4793476858f33d03630764238ab34d259c29908ef39d
[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" "b637c7548e4298992bae4793476858f33d03630764238ab34d259c29908ef39d", kill_on_drop: false }`
[INFO] [stderr]    Compiling next_prime v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "b637c7548e4298992bae4793476858f33d03630764238ab34d259c29908ef39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b637c7548e4298992bae4793476858f33d03630764238ab34d259c29908ef39d", kill_on_drop: false }`
[INFO] [stdout] b637c7548e4298992bae4793476858f33d03630764238ab34d259c29908ef39d
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 67f42906df2fbd5f9a95084a0e1fadb4c9ddf088413965ca6330a4bf3ca31515
[INFO] running `Command { std: "docker" "start" "-a" "67f42906df2fbd5f9a95084a0e1fadb4c9ddf088413965ca6330a4bf3ca31515", kill_on_drop: false }`
[INFO] [stderr]    Compiling next_prime v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "67f42906df2fbd5f9a95084a0e1fadb4c9ddf088413965ca6330a4bf3ca31515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f42906df2fbd5f9a95084a0e1fadb4c9ddf088413965ca6330a4bf3ca31515", kill_on_drop: false }`
[INFO] [stdout] 67f42906df2fbd5f9a95084a0e1fadb4c9ddf088413965ca6330a4bf3ca31515
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 082ea3e918df3309e218cdb13ca3ee33c5409e6ae4396265bc196932ea2f2503
[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" "082ea3e918df3309e218cdb13ca3ee33c5409e6ae4396265bc196932ea2f2503", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/next_prime-845101e154bf989b)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test is_prime_tests::small_primes ... ok
[INFO] [stdout] test next_prime_tests::edge_case_two ... ok
[INFO] [stdout] test next_prime_tests::finds_small_primes ... ok
[INFO] [stdout] test usqrt_tests::large_not_perfect_square ... ok
[INFO] [stderr]    Doc-tests next_prime
[INFO] [stdout] test usqrt_tests::large_perfect_squares ... ok
[INFO] [stdout] test usqrt_tests::small_perfect_squares ... ok
[INFO] [stdout] test usqrt_tests::rounds_up_when_not_a_perfect_square ... ok
[INFO] [stdout] test next_prime_tests::returns_argument_when_it_is_already_prime ... ok
[INFO] [stdout] test usqrt_tests::edge_case_one ... ok
[INFO] [stdout] test usqrt_tests::edge_case_zero ... ok
[INFO] [stdout] test next_prime_tests::finds_a_very_large_prime ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - next_prime (line 104) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "082ea3e918df3309e218cdb13ca3ee33c5409e6ae4396265bc196932ea2f2503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "082ea3e918df3309e218cdb13ca3ee33c5409e6ae4396265bc196932ea2f2503", kill_on_drop: false }`
[INFO] [stdout] 082ea3e918df3309e218cdb13ca3ee33c5409e6ae4396265bc196932ea2f2503