[INFO] fetching crate primal-check 0.2.3...
[INFO] testing primal-check-0.2.3 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate primal-check 0.2.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate primal-check 0.2.3 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate primal-check 0.2.3
[INFO] finished tweaking crates.io crate primal-check 0.2.3
[INFO] tweaked toml for crates.io crate primal-check 0.2.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "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] de23af9826d1a50437bcfc930044a15aea840be86ffd86874328d99b553ce04b
[INFO] running `"docker" "start" "-a" "de23af9826d1a50437bcfc930044a15aea840be86ffd86874328d99b553ce04b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling primal-check v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `"docker" "inspect" "de23af9826d1a50437bcfc930044a15aea840be86ffd86874328d99b553ce04b"`
[INFO] running `"docker" "rm" "-f" "de23af9826d1a50437bcfc930044a15aea840be86ffd86874328d99b553ce04b"`
[INFO] [stdout] de23af9826d1a50437bcfc930044a15aea840be86ffd86874328d99b553ce04b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "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] 91f0303e4b7129d7a830e5058f3589aa28f84eb1c18f64ef079b8c31fe18b44c
[INFO] running `"docker" "start" "-a" "91f0303e4b7129d7a830e5058f3589aa28f84eb1c18f64ef079b8c31fe18b44c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling primal-estimate v0.2.1
[INFO] [stderr]    Compiling primal-check v0.2.3
[INFO] [stderr]    Compiling primal-bit v0.2.4
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling primal-sieve v0.2.9
[INFO] [stderr]    Compiling primal v0.2.3
[INFO] [stderr]    Compiling primal-check v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/perfect_power.rs:121:43
[INFO] [stderr]     |
[INFO] [stderr] 121 |                        if is_prime { Some((expected))} else { None })
[INFO] [stderr]     |                                           ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.30s
[INFO] running `"docker" "inspect" "91f0303e4b7129d7a830e5058f3589aa28f84eb1c18f64ef079b8c31fe18b44c"`
[INFO] running `"docker" "rm" "-f" "91f0303e4b7129d7a830e5058f3589aa28f84eb1c18f64ef079b8c31fe18b44c"`
[INFO] [stdout] 91f0303e4b7129d7a830e5058f3589aa28f84eb1c18f64ef079b8c31fe18b44c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "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] b7983474ef9ead918edb7423ffa5366220310e7110fce6991ced3466e2584035
[INFO] running `"docker" "start" "-a" "b7983474ef9ead918edb7423ffa5366220310e7110fce6991ced3466e2584035"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/perfect_power.rs:121:43
[INFO] [stderr]     |
[INFO] [stderr] 121 |                        if is_prime { Some((expected))} else { None })
[INFO] [stderr]     |                                           ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/primal_check-6c051bd917003d3b
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test is_prime::tests::mod_mul ... ok
[INFO] [stdout] test is_prime::tests::miller_rabin_large ... ok
[INFO] [stdout] test is_prime::tests::modulo ... ok
[INFO] [stdout] test is_prime::tests::mul ... ok
[INFO] [stdout] test perfect_power::tests::perfect_and_prime_power ... ok
[INFO] [stdout] test is_prime::tests::miller_rabin ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests primal-check
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/perfect_power.rs - perfect_power::as_perfect_power (line 20) ... ok
[INFO] [stdout] test src/is_prime.rs - is_prime::miller_rabin (line 90) ... ok
[INFO] [stdout] test src/perfect_power.rs - perfect_power::as_prime_power (line 72) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b7983474ef9ead918edb7423ffa5366220310e7110fce6991ced3466e2584035"`
[INFO] running `"docker" "rm" "-f" "b7983474ef9ead918edb7423ffa5366220310e7110fce6991ced3466e2584035"`
[INFO] [stdout] b7983474ef9ead918edb7423ffa5366220310e7110fce6991ced3466e2584035