[INFO] cloning repository https://github.com/rail44/programming-bitcoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rail44/programming-bitcoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frail44%2Fprogramming-bitcoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frail44%2Fprogramming-bitcoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3737e7e219077fdf3f759b4ce876b1918a771687
[INFO] testing rail44/programming-bitcoin against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frail44%2Fprogramming-bitcoin" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rail44/programming-bitcoin on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/rail44/programming-bitcoin
[INFO] finished tweaking git repo https://github.com/rail44/programming-bitcoin
[INFO] tweaked toml for git repo https://github.com/rail44/programming-bitcoin written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/rail44/programming-bitcoin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43ad36c950c7c875ca3902f1682f3b8655f78bca6dddea9a1e4f6ed3d1071740
[INFO] running `Command { std: "docker" "start" "-a" "43ad36c950c7c875ca3902f1682f3b8655f78bca6dddea9a1e4f6ed3d1071740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43ad36c950c7c875ca3902f1682f3b8655f78bca6dddea9a1e4f6ed3d1071740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43ad36c950c7c875ca3902f1682f3b8655f78bca6dddea9a1e4f6ed3d1071740", kill_on_drop: false }`
[INFO] [stdout] 43ad36c950c7c875ca3902f1682f3b8655f78bca6dddea9a1e4f6ed3d1071740
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea124a5103c3cdf9cc9145d3512b127ca485b927e50b8a11e8775328c5aab463
[INFO] running `Command { std: "docker" "start" "-a" "ea124a5103c3cdf9cc9145d3512b127ca485b927e50b8a11e8775328c5aab463", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling programming-bitcoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static is never used: `BASE58_ALPHABET`
[INFO] [stdout]   --> src/s256.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | static BASE58_ALPHABET: &str = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_base58`
[INFO] [stdout]   --> src/s256.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn encode_base58(bytes: &[u8]) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/s256.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn new(r: BigInt, s: BigInt) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `der`
[INFO] [stdout]    --> src/s256.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn der(&self) -> Vec<u8> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/s256.rs:237:8
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn new(secret: BigInt) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sign`
[INFO] [stdout]    --> src/s256.rs:242:12
[INFO] [stdout]     |
[INFO] [stdout] 242 |     pub fn sign(&self, z: BigInt) -> Signature {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.53s
[INFO] running `Command { std: "docker" "inspect" "ea124a5103c3cdf9cc9145d3512b127ca485b927e50b8a11e8775328c5aab463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea124a5103c3cdf9cc9145d3512b127ca485b927e50b8a11e8775328c5aab463", kill_on_drop: false }`
[INFO] [stdout] ea124a5103c3cdf9cc9145d3512b127ca485b927e50b8a11e8775328c5aab463
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28adc75ab9f25c415a1d0f877dcfba42cabeb433affca4b448d4134b0ffc2818
[INFO] running `Command { std: "docker" "start" "-a" "28adc75ab9f25c415a1d0f877dcfba42cabeb433affca4b448d4134b0ffc2818", kill_on_drop: false }`
[INFO] [stderr]    Compiling programming-bitcoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `sign`
[INFO] [stdout]    --> src/s256.rs:242:12
[INFO] [stdout]     |
[INFO] [stdout] 242 |     pub fn sign(&self, z: BigInt) -> Signature {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "28adc75ab9f25c415a1d0f877dcfba42cabeb433affca4b448d4134b0ffc2818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28adc75ab9f25c415a1d0f877dcfba42cabeb433affca4b448d4134b0ffc2818", kill_on_drop: false }`
[INFO] [stdout] 28adc75ab9f25c415a1d0f877dcfba42cabeb433affca4b448d4134b0ffc2818
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 60af0074797da258a880a51959b8b9a41b4ebc04e2d586849e1c14f50be84138
[INFO] running `Command { std: "docker" "start" "-a" "60af0074797da258a880a51959b8b9a41b4ebc04e2d586849e1c14f50be84138", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `sign`
[INFO] [stderr]    --> src/s256.rs:242:12
[INFO] [stderr]     |
[INFO] [stderr] 242 |     pub fn sign(&self, z: BigInt) -> Signature {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/programming_bitcoin-f628973ed85fc13b)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test field_element::test_add ... ok
[INFO] [stdout] test field_element::test_div ... ok
[INFO] [stdout] test field_element::test_neg_pow ... ok
[INFO] [stdout] test test_3_9_1 ... ok
[INFO] [stdout] test field_element::test_pow ... ok
[INFO] [stdout] test s256::test_exam_4_4 ... ok
[INFO] [stdout] test s256::test_exam_4_3 ... ok
[INFO] [stdout] test field_element::test_sub ... ok
[INFO] [stdout] test field_element::test_mul ... ok
[INFO] [stdout] test test_add_field_element ... ok
[INFO] [stdout] test s256::test_3_9 ... ok
[INFO] [stdout] test test_exam_3_5 ... ok
[INFO] [stdout] test test_mul ... ok
[INFO] [stdout] test test_exam_3_4 ... ok
[INFO] [stdout] test s256::test_exam_4_2 ... ok
[INFO] [stdout] test s256::test_exam_4_1 ... ok
[INFO] [stdout] test s256::test_3_11_3 ... ok
[INFO] [stdout] test s256::test_3_11_4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "60af0074797da258a880a51959b8b9a41b4ebc04e2d586849e1c14f50be84138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60af0074797da258a880a51959b8b9a41b4ebc04e2d586849e1c14f50be84138", kill_on_drop: false }`
[INFO] [stdout] 60af0074797da258a880a51959b8b9a41b4ebc04e2d586849e1c14f50be84138