[INFO] updating cached repository DerJesko/bad_crypto
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DerJesko/bad_crypto
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DerJesko/bad_crypto" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/DerJesko/bad_crypto"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/DerJesko/bad_crypto'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DerJesko/bad_crypto" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/DerJesko/bad_crypto"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/DerJesko/bad_crypto'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd83ed39dd3def46153d778ad3026093d7d4f1da
[INFO] sha for GitHub repo DerJesko/bad_crypto: bd83ed39dd3def46153d778ad3026093d7d4f1da
[INFO] validating manifest of DerJesko/bad_crypto on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of DerJesko/bad_crypto on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing DerJesko/bad_crypto
[INFO] finished frobbing DerJesko/bad_crypto
[INFO] frobbed toml for DerJesko/bad_crypto written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/DerJesko/bad_crypto/Cargo.toml
[INFO] started frobbing DerJesko/bad_crypto
[INFO] finished frobbing DerJesko/bad_crypto
[INFO] frobbed toml for DerJesko/bad_crypto written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/DerJesko/bad_crypto/Cargo.toml
[INFO] crate DerJesko/bad_crypto already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking DerJesko/bad_crypto against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-4/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/DerJesko/bad_crypto:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3c196060ebb0e7d343b3f68f42dc9c7945152ee00d35ed70fc1935347c82d577
[INFO] running `"docker" "start" "-a" "3c196060ebb0e7d343b3f68f42dc9c7945152ee00d35ed70fc1935347c82d577"`
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking bad_crypto v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Array`, `ShapeBuilder`
[INFO] [stderr]  --> src/matrix.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ndarray::{Array, Array2, ShapeBuilder};
[INFO] [stderr]   |               ^^^^^          ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Mul`, `Sub`
[INFO] [stderr]  --> src/matrix.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ops::{Add, Mul, Sub};
[INFO] [stderr]   |                     ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `regev`
[INFO] [stderr]  --> src/tests.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::{elgamal, regev, rsa};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ndarray::arr2`
[INFO] [stderr]  --> src/tests.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ndarray::arr2;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Zero`
[INFO] [stderr]  --> src/tests.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 | use num_traits::{One, Zero};
[INFO] [stderr]   |                       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/tests.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ndarray::prelude::*`
[INFO] [stderr]   --> src/tests.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use ndarray::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Array`, `ShapeBuilder`
[INFO] [stderr]  --> src/matrix.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ndarray::{Array, Array2, ShapeBuilder};
[INFO] [stderr]   |               ^^^^^          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Mul`, `Sub`
[INFO] [stderr]  --> src/matrix.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ops::{Add, Mul, Sub};
[INFO] [stderr]   |                     ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num_traits::Zero`
[INFO] [stderr]  --> src/matrix.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use num_traits::Zero;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c2`
[INFO] [stderr]   --> src/naor_yung.rs:57:28
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let Ciphertext(c1, c2, pi) = ciphertext;
[INFO] [stderr]    |                            ^^ help: consider prefixing with an underscore: `_c2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num_traits::Zero`
[INFO] [stderr]  --> src/matrix.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use num_traits::Zero;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `NaorYung`
[INFO] [stderr]  --> src/naor_yung.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct NaorYung();
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `One`
[INFO] [stderr]  --> src/tests.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | use num_traits::{One, Zero};
[INFO] [stderr]   |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c2`
[INFO] [stderr]   --> src/naor_yung.rs:57:28
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let Ciphertext(c1, c2, pi) = ciphertext;
[INFO] [stderr]    |                            ^^ help: consider prefixing with an underscore: `_c2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `NaorYung`
[INFO] [stderr]  --> src/naor_yung.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct NaorYung();
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.40s
[INFO] running `"docker" "inspect" "3c196060ebb0e7d343b3f68f42dc9c7945152ee00d35ed70fc1935347c82d577"`
[INFO] running `"docker" "rm" "-f" "3c196060ebb0e7d343b3f68f42dc9c7945152ee00d35ed70fc1935347c82d577"`
[INFO] [stdout] 3c196060ebb0e7d343b3f68f42dc9c7945152ee00d35ed70fc1935347c82d577