[INFO] cloning repository https://github.com/Arapak/integer-polynomial-factorization
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arapak/integer-polynomial-factorization" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArapak%2Finteger-polynomial-factorization", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArapak%2Finteger-polynomial-factorization'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4bd61a62df74fd987ceced4ec91e3edb6a915de
[INFO] checking Arapak/integer-polynomial-factorization against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArapak%2Finteger-polynomial-factorization" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Arapak/integer-polynomial-factorization
[INFO] finished tweaking git repo https://github.com/Arapak/integer-polynomial-factorization
[INFO] tweaked toml for git repo https://github.com/Arapak/integer-polynomial-factorization written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Arapak/integer-polynomial-factorization on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Arapak/integer-polynomial-factorization already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gcd v2.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7d1bbc6b202fd0ef41e2847aabb2737c384be2acd156bdac6afbf2e220cd862
[INFO] running `Command { std: "docker" "start" "-a" "d7d1bbc6b202fd0ef41e2847aabb2737c384be2acd156bdac6afbf2e220cd862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7d1bbc6b202fd0ef41e2847aabb2737c384be2acd156bdac6afbf2e220cd862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d1bbc6b202fd0ef41e2847aabb2737c384be2acd156bdac6afbf2e220cd862", kill_on_drop: false }`
[INFO] [stdout] d7d1bbc6b202fd0ef41e2847aabb2737c384be2acd156bdac6afbf2e220cd862
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fd65df5246769125f01dd08fcce6ea0bd5b6057460db4306f8aa2802d3ae776
[INFO] running `Command { std: "docker" "start" "-a" "9fd65df5246769125f01dd08fcce6ea0bd5b6057460db4306f8aa2802d3ae776", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking integer_polynomial_factorization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::ddf::dff`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ddf::dff;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `divide`, `long_division_mod`, and `reciprocal`
[INFO] [stdout]  --> src/main.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::division::{divide, long_division_mod, reciprocal};
[INFO] [stdout]   |                       ^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ntt::multiply`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::ntt::multiply;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `gcd` and `scale`
[INFO] [stdout]  --> src/main.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::polynomial::{gcd, scale};
[INFO] [stdout]   |                         ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ddf::dff`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ddf::dff;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `divide`, `long_division_mod`, and `reciprocal`
[INFO] [stdout]  --> src/main.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::division::{divide, long_division_mod, reciprocal};
[INFO] [stdout]   |                       ^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ntt::multiply`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::ntt::multiply;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `gcd` and `scale`
[INFO] [stdout]  --> src/main.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::polynomial::{gcd, scale};
[INFO] [stdout]   |                         ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sign` is never used
[INFO] [stdout]   --> src/polynomial.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn sign(x: i64) -> i64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `derivative` is never used
[INFO] [stdout]   --> src/polynomial.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn derivative(p: &Polynomial) -> Polynomial {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide_by_constant` is never used
[INFO] [stdout]  --> src/division.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn divide_by_constant(p: &Polynomial, c: i64) -> Option<Polynomial> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reverse` is never used
[INFO] [stdout]   --> src/division.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn reverse(p: &Polynomial) -> Polynomial {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reciprocal` is never used
[INFO] [stdout]   --> src/division.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn reciprocal(p: &Polynomial) -> (Polynomial, i64) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]   --> src/division.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn divide(p: &Polynomial, q: &Polynomial) -> (Polynomial, Polynomial) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dff` is never used
[INFO] [stdout]   --> src/ddf.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn dff(mut p: Polynomial) -> Vec<Polynomial> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `long_division` is never used
[INFO] [stdout]  --> src/factorize.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn long_division(p: &Polynomial, q: &Polynomial) -> (Polynomial, Polynomial) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sign` is never used
[INFO] [stdout]   --> src/polynomial.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn sign(x: i64) -> i64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `derivative` is never used
[INFO] [stdout]   --> src/polynomial.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn derivative(p: &Polynomial) -> Polynomial {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide_by_constant` is never used
[INFO] [stdout]  --> src/division.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn divide_by_constant(p: &Polynomial, c: i64) -> Option<Polynomial> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reverse` is never used
[INFO] [stdout]   --> src/division.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn reverse(p: &Polynomial) -> Polynomial {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reciprocal` is never used
[INFO] [stdout]   --> src/division.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn reciprocal(p: &Polynomial) -> (Polynomial, i64) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]   --> src/division.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn divide(p: &Polynomial, q: &Polynomial) -> (Polynomial, Polynomial) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dff` is never used
[INFO] [stdout]   --> src/ddf.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn dff(mut p: Polynomial) -> Vec<Polynomial> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `long_division` is never used
[INFO] [stdout]  --> src/factorize.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn long_division(p: &Polynomial, q: &Polynomial) -> (Polynomial, Polynomial) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "9fd65df5246769125f01dd08fcce6ea0bd5b6057460db4306f8aa2802d3ae776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fd65df5246769125f01dd08fcce6ea0bd5b6057460db4306f8aa2802d3ae776", kill_on_drop: false }`
[INFO] [stdout] 9fd65df5246769125f01dd08fcce6ea0bd5b6057460db4306f8aa2802d3ae776
