[INFO] cloning repository https://github.com/howardwu/semiprimes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/howardwu/semiprimes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhowardwu%2Fsemiprimes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhowardwu%2Fsemiprimes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ab52d7ddf4ce8bb074789746e663e99db8a9dcf
[INFO] testing howardwu/semiprimes against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhowardwu%2Fsemiprimes" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/howardwu/semiprimes on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/howardwu/semiprimes
[INFO] finished tweaking git repo https://github.com/howardwu/semiprimes
[INFO] tweaked toml for git repo https://github.com/howardwu/semiprimes written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/howardwu/semiprimes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8bc7e1ac4d4616eca6d18d9cb7691fb4493a3543b7cd7b76b4dd50aa15c0c92
[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" "a8bc7e1ac4d4616eca6d18d9cb7691fb4493a3543b7cd7b76b4dd50aa15c0c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8bc7e1ac4d4616eca6d18d9cb7691fb4493a3543b7cd7b76b4dd50aa15c0c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8bc7e1ac4d4616eca6d18d9cb7691fb4493a3543b7cd7b76b4dd50aa15c0c92", kill_on_drop: false }`
[INFO] [stdout] a8bc7e1ac4d4616eca6d18d9cb7691fb4493a3543b7cd7b76b4dd50aa15c0c92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14d65f54e4298f895cf07d28ccaa1dfad824405135d7192959baa4e3429052df
[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" "14d65f54e4298f895cf07d28ccaa1dfad824405135d7192959baa4e3429052df", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling semiprimes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated trait `rand::Rand`: replaced by distributions::Standard
[INFO] [stdout]   --> src/biginteger.rs:73:6
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl ::rand::Rand for BigInteger {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `rand::Rand`: replaced by distributions::Standard
[INFO] [stdout]     --> src/field.rs:3692:6
[INFO] [stdout]      |
[INFO] [stdout] 3692 | impl ::rand::Rand for Fp {
[INFO] [stdout]      |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `rand::Rand::rand`: replaced by distributions::Standard
[INFO] [stdout]     --> src/field.rs:3696:30
[INFO] [stdout]      |
[INFO] [stdout] 3696 |             let mut tmp = Fp(BigInteger::rand(rng));
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.43s
[INFO] running `Command { std: "docker" "inspect" "14d65f54e4298f895cf07d28ccaa1dfad824405135d7192959baa4e3429052df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d65f54e4298f895cf07d28ccaa1dfad824405135d7192959baa4e3429052df", kill_on_drop: false }`
[INFO] [stdout] 14d65f54e4298f895cf07d28ccaa1dfad824405135d7192959baa4e3429052df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a86241e108270147d7a789182919d4c7aef58ceea7a39c1289ad3823088ca79
[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" "0a86241e108270147d7a789182919d4c7aef58ceea7a39c1289ad3823088ca79", kill_on_drop: false }`
[INFO] [stderr]    Compiling semiprimes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated trait `rand::Rand`: replaced by distributions::Standard
[INFO] [stdout]   --> src/biginteger.rs:73:6
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl ::rand::Rand for BigInteger {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `rand::Rand`: replaced by distributions::Standard
[INFO] [stdout]     --> src/field.rs:3692:6
[INFO] [stdout]      |
[INFO] [stdout] 3692 | impl ::rand::Rand for Fp {
[INFO] [stdout]      |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `rand::Rand::rand`: replaced by distributions::Standard
[INFO] [stdout]     --> src/field.rs:3696:30
[INFO] [stdout]      |
[INFO] [stdout] 3696 |             let mut tmp = Fp(BigInteger::rand(rng));
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `rand::Rand`: replaced by distributions::Standard
[INFO] [stdout]   --> src/biginteger.rs:73:6
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl ::rand::Rand for BigInteger {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `rand::Rand`: replaced by distributions::Standard
[INFO] [stdout]     --> src/field.rs:3692:6
[INFO] [stdout]      |
[INFO] [stdout] 3692 | impl ::rand::Rand for Fp {
[INFO] [stdout]      |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `rand::Rand`: replaced by distributions::Standard
[INFO] [stdout]  --> src/tests.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use rand::Rand;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `rand::Rand::rand`: replaced by distributions::Standard
[INFO] [stdout]     --> src/field.rs:3696:30
[INFO] [stdout]      |
[INFO] [stdout] 3696 |             let mut tmp = Fp(BigInteger::rand(rng));
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `rand::Rand::rand`: replaced by distributions::Standard
[INFO] [stdout]    --> src/tests.rs:108:29
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let a: BigInteger = BigInteger::rand(&mut rand::thread_rng());
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `rand::Rand::rand`: replaced by distributions::Standard
[INFO] [stdout]    --> src/tests.rs:109:29
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let b: BigInteger = BigInteger::rand(&mut rand::thread_rng());
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `rand::Rand::rand`: replaced by distributions::Standard
[INFO] [stdout]    --> src/tests.rs:116:21
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let a: Fp = Fp::rand(&mut rand::thread_rng());
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `rand::Rand::rand`: replaced by distributions::Standard
[INFO] [stdout]    --> src/tests.rs:117:21
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let b: Fp = Fp::rand(&mut rand::thread_rng());
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 25.81s
[INFO] running `Command { std: "docker" "inspect" "0a86241e108270147d7a789182919d4c7aef58ceea7a39c1289ad3823088ca79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a86241e108270147d7a789182919d4c7aef58ceea7a39c1289ad3823088ca79", kill_on_drop: false }`
[INFO] [stdout] 0a86241e108270147d7a789182919d4c7aef58ceea7a39c1289ad3823088ca79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e9e6ca01ee9389cd5b3b886578801b5d6845e576d3d03096656b629f65ee4da
[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" "4e9e6ca01ee9389cd5b3b886578801b5d6845e576d3d03096656b629f65ee4da", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated trait `rand::Rand`: replaced by distributions::Standard
[INFO] [stderr]   --> src/biginteger.rs:73:6
[INFO] [stderr]    |
[INFO] [stderr] 73 | impl ::rand::Rand for BigInteger {
[INFO] [stderr]    |      ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated trait `rand::Rand`: replaced by distributions::Standard
[INFO] [stderr]     --> src/field.rs:3692:6
[INFO] [stderr]      |
[INFO] [stderr] 3692 | impl ::rand::Rand for Fp {
[INFO] [stderr]      |      ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `rand::Rand::rand`: replaced by distributions::Standard
[INFO] [stderr]     --> src/field.rs:3696:30
[INFO] [stderr]      |
[INFO] [stderr] 3696 |             let mut tmp = Fp(BigInteger::rand(rng));
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated trait `rand::Rand`: replaced by distributions::Standard
[INFO] [stdout] running 2 tests
[INFO] [stderr]   --> src/biginteger.rs:73:6
[INFO] [stderr]    |
[INFO] [stderr] 73 | impl ::rand::Rand for BigInteger {
[INFO] [stderr]    |      ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated trait `rand::Rand`: replaced by distributions::Standard
[INFO] [stderr]     --> src/field.rs:3692:6
[INFO] [stderr]      |
[INFO] [stderr] 3692 | impl ::rand::Rand for Fp {
[INFO] [stderr]      |      ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated trait `rand::Rand`: replaced by distributions::Standard
[INFO] [stderr]  --> src/tests.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     use rand::Rand;
[INFO] [stderr]   |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `rand::Rand::rand`: replaced by distributions::Standard
[INFO] [stderr]     --> src/field.rs:3696:30
[INFO] [stderr]      |
[INFO] [stderr] 3696 |             let mut tmp = Fp(BigInteger::rand(rng));
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `rand::Rand::rand`: replaced by distributions::Standard
[INFO] [stderr]    --> src/tests.rs:108:29
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let a: BigInteger = BigInteger::rand(&mut rand::thread_rng());
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `rand::Rand::rand`: replaced by distributions::Standard
[INFO] [stderr]    --> src/tests.rs:109:29
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let b: BigInteger = BigInteger::rand(&mut rand::thread_rng());
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `rand::Rand::rand`: replaced by distributions::Standard
[INFO] [stderr]    --> src/tests.rs:116:21
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let a: Fp = Fp::rand(&mut rand::thread_rng());
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `rand::Rand::rand`: replaced by distributions::Standard
[INFO] [stderr]    --> src/tests.rs:117:21
[INFO] [stderr]     |
[INFO] [stderr] 117 |         let b: Fp = Fp::rand(&mut rand::thread_rng());
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/semiprimes-f2ca38aaef23ab2c
[INFO] [stdout] test tests::test::test_biginteger ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/semiprimes-5ede6fb94e27f06d
[INFO] [stdout] test tests::test::test_fp ... ok
[INFO] [stderr]    Doc-tests semiprimes
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e9e6ca01ee9389cd5b3b886578801b5d6845e576d3d03096656b629f65ee4da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e9e6ca01ee9389cd5b3b886578801b5d6845e576d3d03096656b629f65ee4da", kill_on_drop: false }`
[INFO] [stdout] 4e9e6ca01ee9389cd5b3b886578801b5d6845e576d3d03096656b629f65ee4da