[INFO] cloning repository https://github.com/youkchan/prg_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/youkchan/prg_bitcoin_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoukchan%2Fprg_bitcoin_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoukchan%2Fprg_bitcoin_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2568354efd32f44289030bb96b88e0180788d9c
[INFO] testing youkchan/prg_bitcoin_rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoukchan%2Fprg_bitcoin_rust" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/youkchan/prg_bitcoin_rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/youkchan/prg_bitcoin_rust
[INFO] finished tweaking git repo https://github.com/youkchan/prg_bitcoin_rust
[INFO] tweaked toml for git repo https://github.com/youkchan/prg_bitcoin_rust written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/youkchan/prg_bitcoin_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 150f579aa54e08be04e6cf0b8610728d573245bd6a4e841e9b71dc39a73b4219
[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" "150f579aa54e08be04e6cf0b8610728d573245bd6a4e841e9b71dc39a73b4219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "150f579aa54e08be04e6cf0b8610728d573245bd6a4e841e9b71dc39a73b4219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "150f579aa54e08be04e6cf0b8610728d573245bd6a4e841e9b71dc39a73b4219", kill_on_drop: false }`
[INFO] [stdout] 150f579aa54e08be04e6cf0b8610728d573245bd6a4e841e9b71dc39a73b4219
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a480193a61ba943ab63aba62b66a5cf18e4f089a2b9f7aa8ada604e7aa1743d
[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" "0a480193a61ba943ab63aba62b66a5cf18e4f089a2b9f7aa8ada604e7aa1743d", kill_on_drop: false }`
[INFO] [stderr]    Compiling prg_bitcoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let d = ecc::FieldElement::new(9, 10);
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unwrap_point2`
[INFO] [stdout]   --> src/main.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let unwrap_point2 = point2.unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unwrap_point2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unwrap_point3`
[INFO] [stdout]   --> src/main.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let unwrap_point3 = point3.unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unwrap_point3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/ecc.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         for n in 2..=new_exp {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `equal`
[INFO] [stdout]   --> src/ecc.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn equal(&self, other:FieldElement) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/ecc.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn add(&self, other:FieldElement ) -> Result<FieldElement, String> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mul`
[INFO] [stdout]   --> src/ecc.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn mul(&self, other:FieldElement) -> Result<FieldElement, String> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `equal`
[INFO] [stdout]   --> src/ecc.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn equal(&self, other:Point) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "0a480193a61ba943ab63aba62b66a5cf18e4f089a2b9f7aa8ada604e7aa1743d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a480193a61ba943ab63aba62b66a5cf18e4f089a2b9f7aa8ada604e7aa1743d", kill_on_drop: false }`
[INFO] [stdout] 0a480193a61ba943ab63aba62b66a5cf18e4f089a2b9f7aa8ada604e7aa1743d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 79839b371026623882aecbe2d5be8caf16c366d226e14ab4236368b4e3e0534f
[INFO] running `Command { std: "docker" "start" "-a" "79839b371026623882aecbe2d5be8caf16c366d226e14ab4236368b4e3e0534f", kill_on_drop: false }`
[INFO] [stderr]    Compiling prg_bitcoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let d = ecc::FieldElement::new(9, 10);
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unwrap_point2`
[INFO] [stdout]   --> src/main.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let unwrap_point2 = point2.unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unwrap_point2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unwrap_point3`
[INFO] [stdout]   --> src/main.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let unwrap_point3 = point3.unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unwrap_point3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/ecc.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         for n in 2..=new_exp {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `equal`
[INFO] [stdout]   --> src/ecc.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn equal(&self, other:FieldElement) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/ecc.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn add(&self, other:FieldElement ) -> Result<FieldElement, String> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mul`
[INFO] [stdout]   --> src/ecc.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn mul(&self, other:FieldElement) -> Result<FieldElement, String> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `equal`
[INFO] [stdout]   --> src/ecc.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn equal(&self, other:Point) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/prg_bitcoin-3028e16b4d471e4a)
[INFO] running `Command { std: "docker" "inspect" "79839b371026623882aecbe2d5be8caf16c366d226e14ab4236368b4e3e0534f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79839b371026623882aecbe2d5be8caf16c366d226e14ab4236368b4e3e0534f", kill_on_drop: false }`
[INFO] [stdout] 79839b371026623882aecbe2d5be8caf16c366d226e14ab4236368b4e3e0534f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 5d38e2847a4bbbf86ab4c2834cea0e92dbaa437b3d88a70ff71766e4c28b962d
[INFO] running `Command { std: "docker" "start" "-a" "5d38e2847a4bbbf86ab4c2834cea0e92dbaa437b3d88a70ff71766e4c28b962d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]  --> src/main.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let d = ecc::FieldElement::new(9, 10);
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `unwrap_point2`
[INFO] [stderr]   --> src/main.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let unwrap_point2 = point2.unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unwrap_point2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `unwrap_point3`
[INFO] [stderr]   --> src/main.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let unwrap_point3 = point3.unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unwrap_point3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/ecc.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         for n in 2..=new_exp {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `equal`
[INFO] [stderr]   --> src/ecc.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn equal(&self, other:FieldElement) -> bool {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stderr]   --> src/ecc.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn add(&self, other:FieldElement ) -> Result<FieldElement, String> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `mul`
[INFO] [stderr]   --> src/ecc.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn mul(&self, other:FieldElement) -> Result<FieldElement, String> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `equal`
[INFO] [stderr]   --> src/ecc.rs:89:12
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn equal(&self, other:Point) -> bool {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `prg_bitcoin` (bin "prg_bitcoin" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[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/main.rs (/opt/rustwide/target/debug/deps/prg_bitcoin-3028e16b4d471e4a)
[INFO] running `Command { std: "docker" "inspect" "5d38e2847a4bbbf86ab4c2834cea0e92dbaa437b3d88a70ff71766e4c28b962d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d38e2847a4bbbf86ab4c2834cea0e92dbaa437b3d88a70ff71766e4c28b962d", kill_on_drop: false }`
[INFO] [stdout] 5d38e2847a4bbbf86ab4c2834cea0e92dbaa437b3d88a70ff71766e4c28b962d