[INFO] cloning repository https://github.com/YusungAN/programming-bitcoin-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YusungAN/programming-bitcoin-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYusungAN%2Fprogramming-bitcoin-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYusungAN%2Fprogramming-bitcoin-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b09bfa338d89cd9d29e2c62bf9f39586af0b5849
[INFO] testing YusungAN/programming-bitcoin-rust against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYusungAN%2Fprogramming-bitcoin-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/YusungAN/programming-bitcoin-rust
[INFO] finished tweaking git repo https://github.com/YusungAN/programming-bitcoin-rust
[INFO] tweaked toml for git repo https://github.com/YusungAN/programming-bitcoin-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/YusungAN/programming-bitcoin-rust on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/YusungAN/programming-bitcoin-rust 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha2 v0.10.2
[INFO] [stderr]   Downloaded crunchy v0.1.6
[INFO] [stderr]   Downloaded bigint v4.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5de74c8726a5ade8048fc219b143ac06ab827e29d9621a2cbf9d9d30df431bda
[INFO] running `Command { std: "docker" "start" "-a" "5de74c8726a5ade8048fc219b143ac06ab827e29d9621a2cbf9d9d30df431bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5de74c8726a5ade8048fc219b143ac06ab827e29d9621a2cbf9d9d30df431bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5de74c8726a5ade8048fc219b143ac06ab827e29d9621a2cbf9d9d30df431bda", kill_on_drop: false }`
[INFO] [stdout] 5de74c8726a5ade8048fc219b143ac06ab827e29d9621a2cbf9d9d30df431bda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] aee57d5bd6081bf473a63d26e73200cb3afe9f63307edd292e411de549ed4d1f
[INFO] running `Command { std: "docker" "start" "-a" "aee57d5bd6081bf473a63d26e73200cb3afe9f63307edd292e411de549ed4d1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling cpufeatures v0.2.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bigint v4.4.3
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.3
[INFO] [stderr]    Compiling sha2 v0.10.2
[INFO] [stderr]    Compiling bitcoin_prac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `point` is never read
[INFO] [stdout]    --> src/ecc.rs:393:5
[INFO] [stdout]     |
[INFO] [stdout] 391 | pub struct PrivateKey {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 392 |     secret: U256,
[INFO] [stdout] 393 |     point: S256Point
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `N` should have a snake case name
[INFO] [stdout]  --> src/ecc.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn N() -> U256 {
[INFO] [stdout]   |        ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `G` should have a snake case name
[INFO] [stdout]   --> src/ecc.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn G() -> S256Point {
[INFO] [stdout]    |        ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bigint v4.4.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "aee57d5bd6081bf473a63d26e73200cb3afe9f63307edd292e411de549ed4d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee57d5bd6081bf473a63d26e73200cb3afe9f63307edd292e411de549ed4d1f", kill_on_drop: false }`
[INFO] [stdout] aee57d5bd6081bf473a63d26e73200cb3afe9f63307edd292e411de549ed4d1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 1c1c2727a0a2e256bd557e0f2402f7613fb14b784edab7ffa4f9d772002dbc97
[INFO] running `Command { std: "docker" "start" "-a" "1c1c2727a0a2e256bd557e0f2402f7613fb14b784edab7ffa4f9d772002dbc97", kill_on_drop: false }`
[INFO] [stdout] warning: field `point` is never read
[INFO] [stdout]    --> src/ecc.rs:393:5
[INFO] [stdout]     |
[INFO] [stdout] 391 | pub struct PrivateKey {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 392 |     secret: U256,
[INFO] [stdout] 393 |     point: S256Point
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `N` should have a snake case name
[INFO] [stdout]  --> src/ecc.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn N() -> U256 {
[INFO] [stdout]   |        ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `G` should have a snake case name
[INFO] [stdout]   --> src/ecc.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn G() -> S256Point {
[INFO] [stdout]    |        ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bitcoin_prac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `point` is never read
[INFO] [stdout]    --> src/ecc.rs:393:5
[INFO] [stdout]     |
[INFO] [stdout] 391 | pub struct PrivateKey {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 392 |     secret: U256,
[INFO] [stdout] 393 |     point: S256Point
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `N` should have a snake case name
[INFO] [stdout]  --> src/ecc.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn N() -> U256 {
[INFO] [stdout]   |        ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `G` should have a snake case name
[INFO] [stdout]   --> src/ecc.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn G() -> S256Point {
[INFO] [stdout]    |        ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bigint v4.4.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "1c1c2727a0a2e256bd557e0f2402f7613fb14b784edab7ffa4f9d772002dbc97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c1c2727a0a2e256bd557e0f2402f7613fb14b784edab7ffa4f9d772002dbc97", kill_on_drop: false }`
[INFO] [stdout] 1c1c2727a0a2e256bd557e0f2402f7613fb14b784edab7ffa4f9d772002dbc97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 883cfb63811e43e7d0d0e77487a0dd0790bb2e502f73ebcdaf086830520b4ec7
[INFO] running `Command { std: "docker" "start" "-a" "883cfb63811e43e7d0d0e77487a0dd0790bb2e502f73ebcdaf086830520b4ec7", kill_on_drop: false }`
[INFO] [stderr] warning: field `point` is never read
[INFO] [stderr]    --> src/ecc.rs:393:5
[INFO] [stderr]     |
[INFO] [stderr] 391 | pub struct PrivateKey {
[INFO] [stderr]     |            ---------- field in this struct
[INFO] [stderr] 392 |     secret: U256,
[INFO] [stderr] 393 |     point: S256Point
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `N` should have a snake case name
[INFO] [stderr]  --> src/ecc.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn N() -> U256 {
[INFO] [stderr]   |        ^ help: convert the identifier to snake case: `n`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `G` should have a snake case name
[INFO] [stderr]   --> src/ecc.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn G() -> S256Point {
[INFO] [stderr]    |        ^ help: convert the identifier to snake case: `g`
[INFO] [stderr] 
[INFO] [stderr] warning: `bitcoin_prac` (lib) generated 3 warnings
[INFO] [stderr] warning: `bitcoin_prac` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bigint v4.4.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/bitcoin_prac-d21cffcce35e67ab)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/bitcoin_prac-3e439a5dfb284ebf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "883cfb63811e43e7d0d0e77487a0dd0790bb2e502f73ebcdaf086830520b4ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "883cfb63811e43e7d0d0e77487a0dd0790bb2e502f73ebcdaf086830520b4ec7", kill_on_drop: false }`
[INFO] [stdout] 883cfb63811e43e7d0d0e77487a0dd0790bb2e502f73ebcdaf086830520b4ec7