[INFO] updating cached repository https://github.com/jakubtrnka/rusty_shamir
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 79b6d2c4b56fade7b8ff297b2ac2f58838412d29
[INFO] testing jakubtrnka/rusty_shamir against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubtrnka%2Frusty_shamir" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakubtrnka/rusty_shamir on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jakubtrnka/rusty_shamir
[INFO] finished tweaking git repo https://github.com/jakubtrnka/rusty_shamir
[INFO] tweaked toml for git repo https://github.com/jakubtrnka/rusty_shamir written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jakubtrnka/rusty_shamir already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 7d1b46825ad49c6cfb8a960ee1e06ff8b12cce37ec7d0b1dbba6fb2a4d0e1ac3
[INFO] running `"docker" "start" "-a" "7d1b46825ad49c6cfb8a960ee1e06ff8b12cce37ec7d0b1dbba6fb2a4d0e1ac3"`
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling bitvec v0.14.0
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling rusty_shamir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `x1`
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let x1 = GF8::new(1);
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_x1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x2`
[INFO] [stderr]   --> src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let x2 = GF8::new(2);
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_x2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x3`
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let x3 = GF8::new(3);
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_x3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x4`
[INFO] [stderr]   --> src/main.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let x4 = GF8::new(4);
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_x4`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x5`
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let x5 = GF8::new(5);
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_x5`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x255`
[INFO] [stderr]   --> src/main.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let x255 = GF8::new(255);
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_x255`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `degree`
[INFO] [stderr]   --> src/primitives/raw_shamir.rs:65:16
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn block_split(degree: u8, count: u8, payload: u8) -> Vec<Point> {
[INFO] [stderr]    |                ^^^^^^ help: consider prefixing with an underscore: `_degree`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]   --> src/primitives/raw_shamir.rs:65:28
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn block_split(degree: u8, count: u8, payload: u8) -> Vec<Point> {
[INFO] [stderr]    |                            ^^^^^ help: consider prefixing with an underscore: `_count`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `payload`
[INFO] [stderr]   --> src/primitives/raw_shamir.rs:65:39
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn block_split(degree: u8, count: u8, payload: u8) -> Vec<Point> {
[INFO] [stderr]    |                                       ^^^^^^^ help: consider prefixing with an underscore: `_payload`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shares`
[INFO] [stderr]   --> src/primitives/raw_shamir.rs:69:18
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn block_recover(shares: &Vec<Point>) -> u8 {
[INFO] [stderr]    |                  ^^^^^^ help: consider prefixing with an underscore: `_shares`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Point`
[INFO] [stderr]  --> src/primitives/raw_shamir.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Point(GF8, GF8);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/primitives/raw_shamir.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn new(x: u8, y: u8) -> Point {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_polynomial_through`
[INFO] [stderr]   --> src/primitives/raw_shamir.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn random_polynomial_through(points: &Vec<Point>, degree: u8) -> Vec<GF8> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lagrange`
[INFO] [stderr]   --> src/primitives/raw_shamir.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn lagrange(points: &HashMap<GF8, GF8>) -> Vec<GF8> { //maybe use generics
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `block_split`
[INFO] [stderr]   --> src/primitives/raw_shamir.rs:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn block_split(degree: u8, count: u8, payload: u8) -> Vec<Point> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `block_recover`
[INFO] [stderr]   --> src/primitives/raw_shamir.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn block_recover(shares: &Vec<Point>) -> u8 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `two_p_mul`
[INFO] [stderr]  --> src/primitives/polynomials.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn two_p_mul<'a>(p1_result: &'a mut Vec<GF8>, p2: &Vec<GF8>) -> &'a Vec<GF8> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `two_p_sum`
[INFO] [stderr]   --> src/primitives/polynomials.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn two_p_sum<'a>(p1: &'a mut Vec<GF8>, p2: &Vec<GF8>) -> &'a Vec<GF8> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `"docker" "inspect" "7d1b46825ad49c6cfb8a960ee1e06ff8b12cce37ec7d0b1dbba6fb2a4d0e1ac3"`
[INFO] running `"docker" "rm" "-f" "7d1b46825ad49c6cfb8a960ee1e06ff8b12cce37ec7d0b1dbba6fb2a4d0e1ac3"`
[INFO] [stdout] 7d1b46825ad49c6cfb8a960ee1e06ff8b12cce37ec7d0b1dbba6fb2a4d0e1ac3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] f27025d1d39c99e3fb46507203c3379778b356c5e7cb6ce021806c9a4b9a4e56
[INFO] running `"docker" "start" "-a" "f27025d1d39c99e3fb46507203c3379778b356c5e7cb6ce021806c9a4b9a4e56"`
[INFO] [stderr]    Compiling rusty_shamir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `x1`
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let x1 = GF8::new(1);
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_x1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x2`
[INFO] [stderr]   --> src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let x2 = GF8::new(2);
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_x2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x3`
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let x3 = GF8::new(3);
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_x3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x4`
[INFO] [stderr]   --> src/main.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let x4 = GF8::new(4);
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_x4`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x5`
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let x5 = GF8::new(5);
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_x5`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x255`
[INFO] [stderr]   --> src/main.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let x255 = GF8::new(255);
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_x255`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `degree`
[INFO] [stderr]   --> src/primitives/raw_shamir.rs:65:16
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn block_split(degree: u8, count: u8, payload: u8) -> Vec<Point> {
[INFO] [stderr]    |                ^^^^^^ help: consider prefixing with an underscore: `_degree`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]   --> src/primitives/raw_shamir.rs:65:28
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn block_split(degree: u8, count: u8, payload: u8) -> Vec<Point> {
[INFO] [stderr]    |                            ^^^^^ help: consider prefixing with an underscore: `_count`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `payload`
[INFO] [stderr]   --> src/primitives/raw_shamir.rs:65:39
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn block_split(degree: u8, count: u8, payload: u8) -> Vec<Point> {
[INFO] [stderr]    |                                       ^^^^^^^ help: consider prefixing with an underscore: `_payload`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shares`
[INFO] [stderr]   --> src/primitives/raw_shamir.rs:69:18
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn block_recover(shares: &Vec<Point>) -> u8 {
[INFO] [stderr]    |                  ^^^^^^ help: consider prefixing with an underscore: `_shares`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `block_split`
[INFO] [stderr]   --> src/primitives/raw_shamir.rs:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn block_split(degree: u8, count: u8, payload: u8) -> Vec<Point> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `block_recover`
[INFO] [stderr]   --> src/primitives/raw_shamir.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn block_recover(shares: &Vec<Point>) -> u8 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "f27025d1d39c99e3fb46507203c3379778b356c5e7cb6ce021806c9a4b9a4e56"`
[INFO] running `"docker" "rm" "-f" "f27025d1d39c99e3fb46507203c3379778b356c5e7cb6ce021806c9a4b9a4e56"`
[INFO] [stdout] f27025d1d39c99e3fb46507203c3379778b356c5e7cb6ce021806c9a4b9a4e56
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] cd6fe03c5cd67bedb4f20f9926105f1d54f282841ed6b01b8f7c67762758a72c
[INFO] running `"docker" "start" "-a" "cd6fe03c5cd67bedb4f20f9926105f1d54f282841ed6b01b8f7c67762758a72c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusty_shamir-a3eccce143b6dfdd
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test primitives::gf8::test::test_addition ... ok
[INFO] [stdout] test primitives::gf8::test::test_division ... ok
[INFO] [stdout] test primitives::gf8::test::test_multiplication ... ok
[INFO] [stdout] test primitives::polynomials::test::test_multiplication ... ok
[INFO] [stdout] test primitives::polynomials::test::test_summation ... ok
[INFO] [stdout] test primitives::raw_shamir::test::test_block_recover ... ok
[INFO] [stdout] test primitives::raw_shamir::test::test_block_split ... ok
[INFO] [stdout] test primitives::raw_shamir::test::test_deterministic_polynomial ... FAILED
[INFO] [stdout] test primitives::raw_shamir::test::test_underdetermined_polynomial ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- primitives::raw_shamir::test::test_deterministic_polynomial stdout ----
[INFO] [stdout] thread 'primitives::raw_shamir::test::test_deterministic_polynomial' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `[GF8 { repr: 26 }, GF8 { repr: 128 }, GF8 { repr: 21 }, GF8 { repr: 19 }]`,
[INFO] [stdout]  right: `[GF8 { repr: 19 }, GF8 { repr: 21 }, GF8 { repr: 128 }, GF8 { repr: 26 }]`', src/primitives/raw_shamir.rs:83:9
[INFO] [stdout] note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     primitives::raw_shamir::test::test_deterministic_polynomial
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin rusty_shamir'
[INFO] running `"docker" "inspect" "cd6fe03c5cd67bedb4f20f9926105f1d54f282841ed6b01b8f7c67762758a72c"`
[INFO] running `"docker" "rm" "-f" "cd6fe03c5cd67bedb4f20f9926105f1d54f282841ed6b01b8f7c67762758a72c"`
[INFO] [stdout] cd6fe03c5cd67bedb4f20f9926105f1d54f282841ed6b01b8f7c67762758a72c