[INFO] cloning repository ashiato45/rust_multipoly
[INFO] running `"git" "clone" "--bare" "git://github.com/ashiato45/rust_multipoly.git" "work/cache/sources/gh/ashiato45/rust_multipoly"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/ashiato45/rust_multipoly'...
[INFO] running `"git" "clone" "work/cache/sources/gh/ashiato45/rust_multipoly" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/ashiato45/rust_multipoly"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/ashiato45/rust_multipoly'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ashiato45/rust_multipoly" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/ashiato45/rust_multipoly"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/ashiato45/rust_multipoly'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0c29afb71d9218f3c0a3dad0a612498b0eab09b9
[INFO] sha for GitHub repo ashiato45/rust_multipoly: 0c29afb71d9218f3c0a3dad0a612498b0eab09b9
[INFO] validating manifest of ashiato45/rust_multipoly on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ashiato45/rust_multipoly on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ashiato45/rust_multipoly
[INFO] finished frobbing ashiato45/rust_multipoly
[INFO] frobbed toml for ashiato45/rust_multipoly written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/ashiato45/rust_multipoly/Cargo.toml
[INFO] started frobbing ashiato45/rust_multipoly
[INFO] finished frobbing ashiato45/rust_multipoly
[INFO] frobbed toml for ashiato45/rust_multipoly written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/ashiato45/rust_multipoly/Cargo.toml
[INFO] crate ashiato45/rust_multipoly already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ashiato45/rust_multipoly against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/ashiato45/rust_multipoly:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2b304f6859a375a36b3c63530fc34c5d736038e7b602dd81625729f1fe184106
[INFO] running `"docker" "start" "-a" "2b304f6859a375a36b3c63530fc34c5d736038e7b602dd81625729f1fe184106"`
[INFO] [stderr]     Checking rust_multipoly v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BigRational`
[INFO] [stderr]  --> src/main.rs:6:28
[INFO] [stderr]   |
[INFO] [stderr] 6 | use num::rational::{Ratio, BigRational, Rational};
[INFO] [stderr]   |                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:37:11
[INFO] [stderr]    |
[INFO] [stderr] 37 |         if(*self == Self::zero()){
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BigRational`
[INFO] [stderr]  --> src/main.rs:6:28
[INFO] [stderr]   |
[INFO] [stderr] 6 | use num::rational::{Ratio, BigRational, Rational};
[INFO] [stderr]   |                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:37:11
[INFO] [stderr]    |
[INFO] [stderr] 37 |         if(*self == Self::zero()){
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "2b304f6859a375a36b3c63530fc34c5d736038e7b602dd81625729f1fe184106"`
[INFO] running `"docker" "rm" "-f" "2b304f6859a375a36b3c63530fc34c5d736038e7b602dd81625729f1fe184106"`
[INFO] [stdout] 2b304f6859a375a36b3c63530fc34c5d736038e7b602dd81625729f1fe184106