[INFO] cloning repository https://github.com/prahaladbelavadi/bitcoin-rust-experimenting
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prahaladbelavadi/bitcoin-rust-experimenting" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprahaladbelavadi%2Fbitcoin-rust-experimenting", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprahaladbelavadi%2Fbitcoin-rust-experimenting'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa6066cc42baa371b5e61e9ccc75965cbf3582b7
[INFO] testing prahaladbelavadi/bitcoin-rust-experimenting against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprahaladbelavadi%2Fbitcoin-rust-experimenting" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/prahaladbelavadi/bitcoin-rust-experimenting on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/prahaladbelavadi/bitcoin-rust-experimenting
[INFO] finished tweaking git repo https://github.com/prahaladbelavadi/bitcoin-rust-experimenting
[INFO] tweaked toml for git repo https://github.com/prahaladbelavadi/bitcoin-rust-experimenting written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/prahaladbelavadi/bitcoin-rust-experimenting already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded secp256k1 v0.20.2
[INFO] [stderr]   Downloaded bitcoin_hashes v0.9.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1e404417d0a2e3b6c91e3a8250e209c776be77ec3d4f40d41af2cdc3be2e5180
[INFO] running `Command { std: "docker" "start" "-a" "1e404417d0a2e3b6c91e3a8250e209c776be77ec3d4f40d41af2cdc3be2e5180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e404417d0a2e3b6c91e3a8250e209c776be77ec3d4f40d41af2cdc3be2e5180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e404417d0a2e3b6c91e3a8250e209c776be77ec3d4f40d41af2cdc3be2e5180", kill_on_drop: false }`
[INFO] [stdout] 1e404417d0a2e3b6c91e3a8250e209c776be77ec3d4f40d41af2cdc3be2e5180
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa255741f529124ea4e86911e7e8336067ac2d7f9d5e0ae00d0253d8e0598846
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aa255741f529124ea4e86911e7e8336067ac2d7f9d5e0ae00d0253d8e0598846", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling bitcoin_hashes v0.9.6
[INFO] [stderr]    Compiling secp256k1-sys v0.4.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling secp256k1 v0.20.2
[INFO] [stderr]    Compiling bitcoin-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stdout]    --> src/bitcoin.rs:255:12
[INFO] [stdout]     |
[INFO] [stdout] 255 | use rand::{thread_rng, Rng};
[INFO] [stdout]     |            ^^^^^^^^^^  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `public_key`
[INFO] [stdout]    --> src/bitcoin.rs:270:20
[INFO] [stdout]     |
[INFO] [stdout] 270 |   let (secret_key, public_key) = secp.generate_keypair(&mut rng);
[INFO] [stdout]     |                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_public_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_keys`
[INFO] [stdout]    --> src/bitcoin.rs:262:8
[INFO] [stdout]     |
[INFO] [stdout] 262 | pub fn create_keys()->Result<String,String>{
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sign`
[INFO] [stdout]    --> src/bitcoin.rs:275:8
[INFO] [stdout]     |
[INFO] [stdout] 275 | pub fn sign(priv_key:&str, message:&str)->Result<String, String>{
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.92s
[INFO] running `Command { std: "docker" "inspect" "aa255741f529124ea4e86911e7e8336067ac2d7f9d5e0ae00d0253d8e0598846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa255741f529124ea4e86911e7e8336067ac2d7f9d5e0ae00d0253d8e0598846", kill_on_drop: false }`
[INFO] [stdout] aa255741f529124ea4e86911e7e8336067ac2d7f9d5e0ae00d0253d8e0598846
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9dba68d5f65943a99d381f9c295636f646b4f93362e97fbea383c33268f38322
[INFO] running `Command { std: "docker" "start" "-a" "9dba68d5f65943a99d381f9c295636f646b4f93362e97fbea383c33268f38322", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitcoin-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stdout]    --> src/bitcoin.rs:255:12
[INFO] [stdout]     |
[INFO] [stdout] 255 | use rand::{thread_rng, Rng};
[INFO] [stdout]     |            ^^^^^^^^^^  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `public_key`
[INFO] [stdout]    --> src/bitcoin.rs:270:20
[INFO] [stdout]     |
[INFO] [stdout] 270 |   let (secret_key, public_key) = secp.generate_keypair(&mut rng);
[INFO] [stdout]     |                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_public_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "9dba68d5f65943a99d381f9c295636f646b4f93362e97fbea383c33268f38322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dba68d5f65943a99d381f9c295636f646b4f93362e97fbea383c33268f38322", kill_on_drop: false }`
[INFO] [stdout] 9dba68d5f65943a99d381f9c295636f646b4f93362e97fbea383c33268f38322
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0175420e3d133804707f8cf96d9b84648c03d0c4f4e9c6cf04a82d120b5a7d5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e0175420e3d133804707f8cf96d9b84648c03d0c4f4e9c6cf04a82d120b5a7d5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stdout] running 2 tests
[INFO] [stderr]    --> src/bitcoin.rs:255:12
[INFO] [stderr]     |
[INFO] [stderr] 255 | use rand::{thread_rng, Rng};
[INFO] [stderr]     |            ^^^^^^^^^^  ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `public_key`
[INFO] [stderr]    --> src/bitcoin.rs:270:20
[INFO] [stderr]     |
[INFO] [stderr] 270 |   let (secret_key, public_key) = secp.generate_keypair(&mut rng);
[INFO] [stderr]     |                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_public_key`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bitcoin-rust` (bin "bitcoin-rust" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bitcoin_rust-7030253152bf083a)
[INFO] [stdout] test bitcoin::tests::test_create_keys ... ok
[INFO] [stdout] test bitcoin::tests::test_sign ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e0175420e3d133804707f8cf96d9b84648c03d0c4f4e9c6cf04a82d120b5a7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0175420e3d133804707f8cf96d9b84648c03d0c4f4e9c6cf04a82d120b5a7d5", kill_on_drop: false }`
[INFO] [stdout] e0175420e3d133804707f8cf96d9b84648c03d0c4f4e9c6cf04a82d120b5a7d5