[INFO] cloning repository https://github.com/Bayernatoor/rust_bitcoin_ecdsa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bayernatoor/rust_bitcoin_ecdsa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBayernatoor%2Frust_bitcoin_ecdsa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBayernatoor%2Frust_bitcoin_ecdsa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f382ed18f5646e21709a41bab987cfcc6d1edc71
[INFO] testing Bayernatoor/rust_bitcoin_ecdsa against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBayernatoor%2Frust_bitcoin_ecdsa" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Bayernatoor/rust_bitcoin_ecdsa
[INFO] finished tweaking git repo https://github.com/Bayernatoor/rust_bitcoin_ecdsa
[INFO] tweaked toml for git repo https://github.com/Bayernatoor/rust_bitcoin_ecdsa written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Bayernatoor/rust_bitcoin_ecdsa on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Bayernatoor/rust_bitcoin_ecdsa 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ef33c87e561a3cf89d6b492f2bccfaabb8044f45bb33a2950af97a8b458319e
[INFO] running `Command { std: "docker" "start" "-a" "2ef33c87e561a3cf89d6b492f2bccfaabb8044f45bb33a2950af97a8b458319e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ef33c87e561a3cf89d6b492f2bccfaabb8044f45bb33a2950af97a8b458319e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef33c87e561a3cf89d6b492f2bccfaabb8044f45bb33a2950af97a8b458319e", kill_on_drop: false }`
[INFO] [stdout] 2ef33c87e561a3cf89d6b492f2bccfaabb8044f45bb33a2950af97a8b458319e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10b554f4959ac6ed3979f239e3d64a7361b5609e82b50d90411d27e41de9a2f8
[INFO] running `Command { std: "docker" "start" "-a" "10b554f4959ac6ed3979f239e3d64a7361b5609e82b50d90411d27e41de9a2f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling rust_bitcoin_ecdsa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `div_rem`
[INFO] [stdout]  --> src/lib.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::helpers::utils::{div_rem, is_greater_or_equal};
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sha2`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sha2;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mu` is never read
[INFO] [stdout]    --> src/helpers/utils.rs:119:18
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut mu = [0u8; 64];
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_value` is never read
[INFO] [stdout]    --> src/helpers/utils.rs:120:26
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let mut temp_value = [0u8; 64];
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `adjustment`
[INFO] [stdout]    --> src/lib.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |         adjustment: bool,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adjustment`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `combine_u8_arrays_to_u16` is never used
[INFO] [stdout]    --> src/helpers/utils.rs:224:4
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn combine_u8_arrays_to_u16(a: [u8; 32], b: [u8; 32]) -> [u16; 64] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiplication` is never used
[INFO] [stdout]    --> src/lib.rs:197:12
[INFO] [stdout]     |
[INFO] [stdout] 197 |     pub fn multiplication(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "10b554f4959ac6ed3979f239e3d64a7361b5609e82b50d90411d27e41de9a2f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b554f4959ac6ed3979f239e3d64a7361b5609e82b50d90411d27e41de9a2f8", kill_on_drop: false }`
[INFO] [stdout] 10b554f4959ac6ed3979f239e3d64a7361b5609e82b50d90411d27e41de9a2f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db802c9942072b692e173d2957e1112e981480af42a9ab37ade486326d42c713
[INFO] running `Command { std: "docker" "start" "-a" "db802c9942072b692e173d2957e1112e981480af42a9ab37ade486326d42c713", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `div_rem`
[INFO] [stdout]  --> src/lib.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::helpers::utils::{div_rem, is_greater_or_equal};
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sha2`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sha2;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mu` is never read
[INFO] [stdout]    --> src/helpers/utils.rs:119:18
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut mu = [0u8; 64];
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_value` is never read
[INFO] [stdout]    --> src/helpers/utils.rs:120:26
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let mut temp_value = [0u8; 64];
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `adjustment`
[INFO] [stdout]    --> src/lib.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |         adjustment: bool,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adjustment`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `combine_u8_arrays_to_u16` is never used
[INFO] [stdout]    --> src/helpers/utils.rs:224:4
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn combine_u8_arrays_to_u16(a: [u8; 32], b: [u8; 32]) -> [u16; 64] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiplication` is never used
[INFO] [stdout]    --> src/lib.rs:197:12
[INFO] [stdout]     |
[INFO] [stdout] 197 |     pub fn multiplication(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust_bitcoin_ecdsa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `div_rem`
[INFO] [stdout]  --> src/lib.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::helpers::utils::{div_rem, is_greater_or_equal};
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sha2`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sha2;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `multiplication`
[INFO] [stdout]    --> src/lib.rs:251:43
[INFO] [stdout]     |
[INFO] [stdout] 251 |     use arithmetic_operations::{addition, multiplication, subtract};
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mu` is never read
[INFO] [stdout]    --> src/helpers/utils.rs:119:18
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut mu = [0u8; 64];
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_value` is never read
[INFO] [stdout]    --> src/helpers/utils.rs:120:26
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let mut temp_value = [0u8; 64];
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `adjustment`
[INFO] [stdout]    --> src/lib.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |         adjustment: bool,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adjustment`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `combine_u8_arrays_to_u16` is never used
[INFO] [stdout]    --> src/helpers/utils.rs:224:4
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn combine_u8_arrays_to_u16(a: [u8; 32], b: [u8; 32]) -> [u16; 64] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiplication` is never used
[INFO] [stdout]    --> src/lib.rs:197:12
[INFO] [stdout]     |
[INFO] [stdout] 197 |     pub fn multiplication(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "db802c9942072b692e173d2957e1112e981480af42a9ab37ade486326d42c713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db802c9942072b692e173d2957e1112e981480af42a9ab37ade486326d42c713", kill_on_drop: false }`
[INFO] [stdout] db802c9942072b692e173d2957e1112e981480af42a9ab37ade486326d42c713
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bca7545510dbc629410a506c25fa785bb6ff218b892281ef9fb94f95bdb1c638
[INFO] running `Command { std: "docker" "start" "-a" "bca7545510dbc629410a506c25fa785bb6ff218b892281ef9fb94f95bdb1c638", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `div_rem`
[INFO] [stderr]  --> src/lib.rs:3:29
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::helpers::utils::{div_rem, is_greater_or_equal};
[INFO] [stderr]   |                             ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sha2`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use sha2;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `mu` is never read
[INFO] [stderr]    --> src/helpers/utils.rs:119:18
[INFO] [stderr]     |
[INFO] [stderr] 119 |     let mut mu = [0u8; 64];
[INFO] [stderr]     |                  ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_value` is never read
[INFO] [stderr]    --> src/helpers/utils.rs:120:26
[INFO] [stderr]     |
[INFO] [stderr] 120 |     let mut temp_value = [0u8; 64];
[INFO] [stderr]     |                          ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `adjustment`
[INFO] [stderr]    --> src/lib.rs:201:9
[INFO] [stderr]     |
[INFO] [stderr] 201 |         adjustment: bool,
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adjustment`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `combine_u8_arrays_to_u16` is never used
[INFO] [stderr]    --> src/helpers/utils.rs:224:4
[INFO] [stderr]     |
[INFO] [stderr] 224 | fn combine_u8_arrays_to_u16(a: [u8; 32], b: [u8; 32]) -> [u16; 64] {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `multiplication` is never used
[INFO] [stderr]    --> src/lib.rs:197:12
[INFO] [stderr]     |
[INFO] [stderr] 197 |     pub fn multiplication(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `multiplication`
[INFO] [stderr]    --> src/lib.rs:251:43
[INFO] [stderr]     |
[INFO] [stderr] 251 |     use arithmetic_operations::{addition, multiplication, subtract};
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_bitcoin_ecdsa` (lib) generated 7 warnings (run `cargo fix --lib -p rust_bitcoin_ecdsa` to apply 3 suggestions)
[INFO] [stderr] warning: `rust_bitcoin_ecdsa` (lib test) generated 8 warnings (7 duplicates) (run `cargo fix --lib -p rust_bitcoin_ecdsa --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_bitcoin_ecdsa-be87a0a3de2b7214)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test helpers::utils::tests::test_div_rem_even_numbers ... ok
[INFO] [stdout] test helpers::utils::tests::test_div_rem_small_dividend ... ok
[INFO] [stdout] test helpers::utils::tests::test_div_rem_large_numbers ... ok
[INFO] [stdout] test helpers::utils::tests::test_is_greater_or_equal ... ok
[INFO] [stdout] test helpers::utils::tests::test_div_rem_division_by_zero ... ok
[INFO] [stdout] test helpers::utils::tests::test_div_rem_divide_small_numbers ... ok
[INFO] [stdout] test helpers::utils::tests::test_simple_byte_array_512_subtraction_with_carry ... ok
[INFO] [stdout] test tests::test_addition_near_p_with_carry ... ok
[INFO] [stdout] test tests::test_byte_array_addition_with_carry ... ok
[INFO] [stdout] test tests::test_addition_max_plus_one ... ok
[INFO] [stdout] test tests::test_addition_two_large_numbers ... ok
[INFO] [stdout] test tests::test_subtraction_near_p_small_difference ... ok
[INFO] [stdout] test tests::test_subtraction_zero_minus_p_minus_one ... ok
[INFO] [stdout] test tests::test_negative_wrapping_byte_array_subtraction ... ok
[INFO] [stdout] test tests::test_simple_byte_array_subtraction_with_carry ... ok
[INFO] [stdout] test tests::test_subtraction_p_minus_p ... ok
[INFO] [stdout] test tests::test_simple_byte_array_addition ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test helpers::utils::tests::test_simple_barrett_reduce ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- helpers::utils::tests::test_simple_barrett_reduce stdout ----
[INFO] [stdout] precomputing MU
[INFO] [stdout] 
[INFO] [stdout] thread 'helpers::utils::tests::test_simple_barrett_reduce' (22) panicked at src/helpers/utils.rs:168:29:
[INFO] [stdout] attempt to subtract with overflow
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b1dac034a42 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b1dac034a42 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b1dac034a42 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5b1dac034a42 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5b1dac04497f - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5b1dac04497f - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5b1dac002513 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5b1dac002513 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5b1dac00e2b2 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5b1dac012d8f - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5b1dac012c21 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5b1dabfd5c1e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5b1dabfd5c1e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5b1dac01339f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5b1dac01339f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5b1dac0131c6 - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:700:13
[INFO] [stdout]   16:     0x5b1dac00e3e9 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5b1dabff6cdd - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5b1dac04c180 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5b1dac04be37 - core::panicking::panic_const::panic_const_sub_overflow::h8c8d9d6bf8527407
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:180:17
[INFO] [stdout]   20:     0x5b1dabfb06cf - rust_bitcoin_ecdsa::helpers::utils::multiply_512::h02ce6db5522e81a8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/helpers/utils.rs:168:29
[INFO] [stdout]   21:     0x5b1dabfb0f11 - rust_bitcoin_ecdsa::helpers::utils::barrett_reduce::h282ed3ef8545b754
[INFO] [stdout]                                at /opt/rustwide/workdir/src/helpers/utils.rs:130:10
[INFO] [stdout]   22:     0x5b1dabfb239e - rust_bitcoin_ecdsa::helpers::utils::tests::test_simple_barrett_reduce::hd04fb981d7fd6e6e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/helpers/utils.rs:445:22
[INFO] [stdout]   23:     0x5b1dabfb2527 - rust_bitcoin_ecdsa::helpers::utils::tests::test_simple_barrett_reduce::{{closure}}::hbeddb1d222833571
[INFO] [stdout]                                at /opt/rustwide/workdir/src/helpers/utils.rs:436:36
[INFO] [stdout]   24:     0x5b1dabfb3cd6 - core::ops::function::FnOnce::call_once::h1eb40534e4f61c64
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5b1dabfd5a1b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5b1dabfd5a1b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x5b1dabfe9a7d - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x5b1dabfe9a7d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x5b1dabfe9a7d - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x5b1dabfe9a7d - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x5b1dabfe9a7d - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5b1dabfe9a7d - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x5b1dabfe9a7d - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x5b1dabfc2fc4 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x5b1dabfc2fc4 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x5b1dabfc681a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   37:     0x5b1dabfc681a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x5b1dabfc681a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x5b1dabfc681a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x5b1dabfc681a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5b1dabfc681a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   42:     0x5b1dabfc681a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5b1dac0097ef - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   44:     0x5b1dac0097ef - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   45:     0x765e8b60faa4 - <unknown>
[INFO] [stdout]   46:     0x765e8b69ca64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     helpers::utils::tests::test_simple_barrett_reduce
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 17 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bca7545510dbc629410a506c25fa785bb6ff218b892281ef9fb94f95bdb1c638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca7545510dbc629410a506c25fa785bb6ff218b892281ef9fb94f95bdb1c638", kill_on_drop: false }`
[INFO] [stdout] bca7545510dbc629410a506c25fa785bb6ff218b892281ef9fb94f95bdb1c638
