[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] checking howardwu/semiprimes against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhowardwu%2Fsemiprimes" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/howardwu/semiprimes on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-14/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8aad3a4230b390972369f535f03da8c5fb480ed08da1fb5c784f45d58585c988
[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" "8aad3a4230b390972369f535f03da8c5fb480ed08da1fb5c784f45d58585c988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8aad3a4230b390972369f535f03da8c5fb480ed08da1fb5c784f45d58585c988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aad3a4230b390972369f535f03da8c5fb480ed08da1fb5c784f45d58585c988", kill_on_drop: false }`
[INFO] [stdout] 8aad3a4230b390972369f535f03da8c5fb480ed08da1fb5c784f45d58585c988
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 990e73e1b2bc2ca9cee2faf994637470f1be9ced62e5f70c246c17d61158cece
[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" "990e73e1b2bc2ca9cee2faf994637470f1be9ced62e5f70c246c17d61158cece", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking 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 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:3696:42
[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/field.rs:3696:42
[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:108:41
[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:109:41
[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:116:25
[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:117:25
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let b: Fp = Fp::rand(&mut rand::thread_rng());
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.67s
[INFO] running `Command { std: "docker" "inspect" "990e73e1b2bc2ca9cee2faf994637470f1be9ced62e5f70c246c17d61158cece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "990e73e1b2bc2ca9cee2faf994637470f1be9ced62e5f70c246c17d61158cece", kill_on_drop: false }`
[INFO] [stdout] 990e73e1b2bc2ca9cee2faf994637470f1be9ced62e5f70c246c17d61158cece