[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 master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprahaladbelavadi%2Fbitcoin-rust-experimenting" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/prahaladbelavadi/bitcoin-rust-experimenting on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] def89300d7c1ed7e0ba5a60ee8cade6c12c61210b7cf22588680e124439ab49d
[INFO] running `Command { std: "docker" "start" "-a" "def89300d7c1ed7e0ba5a60ee8cade6c12c61210b7cf22588680e124439ab49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "def89300d7c1ed7e0ba5a60ee8cade6c12c61210b7cf22588680e124439ab49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "def89300d7c1ed7e0ba5a60ee8cade6c12c61210b7cf22588680e124439ab49d", kill_on_drop: false }`
[INFO] [stdout] def89300d7c1ed7e0ba5a60ee8cade6c12c61210b7cf22588680e124439ab49d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--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] 269be1b835f0dfd66db9d9dd2dbb661cec4cf64fbc5d33b1b6b6951f3754d7a0
[INFO] running `Command { std: "docker" "start" "-a" "269be1b835f0dfd66db9d9dd2dbb661cec4cf64fbc5d33b1b6b6951f3754d7a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling bitcoin_hashes v0.9.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling secp256k1-sys v0.4.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[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 15.19s
[INFO] running `Command { std: "docker" "inspect" "269be1b835f0dfd66db9d9dd2dbb661cec4cf64fbc5d33b1b6b6951f3754d7a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "269be1b835f0dfd66db9d9dd2dbb661cec4cf64fbc5d33b1b6b6951f3754d7a0", kill_on_drop: false }`
[INFO] [stdout] 269be1b835f0dfd66db9d9dd2dbb661cec4cf64fbc5d33b1b6b6951f3754d7a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5555a7206e7dea965f19ae274e839fb4bcba8e4256be8cc92eda2134f8bec07e
[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" "5555a7206e7dea965f19ae274e839fb4bcba8e4256be8cc92eda2134f8bec07e", 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 1.00s
[INFO] running `Command { std: "docker" "inspect" "5555a7206e7dea965f19ae274e839fb4bcba8e4256be8cc92eda2134f8bec07e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5555a7206e7dea965f19ae274e839fb4bcba8e4256be8cc92eda2134f8bec07e", kill_on_drop: false }`
[INFO] [stdout] 5555a7206e7dea965f19ae274e839fb4bcba8e4256be8cc92eda2134f8bec07e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2574f591237863c4695f05f62b71b4393e363a03da50e12da64a2559b1c0cc6c
[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" "2574f591237863c4695f05f62b71b4393e363a03da50e12da64a2559b1c0cc6c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `Rng`, `thread_rng`
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bitcoin_rust-81f218d6f1cbd583)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test bitcoin::tests::test_sign ... ok
[INFO] [stdout] test bitcoin::tests::test_create_keys ... 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" "2574f591237863c4695f05f62b71b4393e363a03da50e12da64a2559b1c0cc6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2574f591237863c4695f05f62b71b4393e363a03da50e12da64a2559b1c0cc6c", kill_on_drop: false }`
[INFO] [stdout] 2574f591237863c4695f05f62b71b4393e363a03da50e12da64a2559b1c0cc6c