[INFO] cloning repository https://github.com/rbermani/btc_brute
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rbermani/btc_brute" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbermani%2Fbtc_brute", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbermani%2Fbtc_brute'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95374561fe04fbf97bb5d435b32dd91a6912279a
[INFO] checking rbermani/btc_brute against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbermani%2Fbtc_brute" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rbermani/btc_brute
[INFO] finished tweaking git repo https://github.com/rbermani/btc_brute
[INFO] tweaked toml for git repo https://github.com/rbermani/btc_brute written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rbermani/btc_brute on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rbermani/btc_brute 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0df2d9fffcc0713a04201db3181d53a3d8f8dbcd48b87d7ab191827a4596c9e4
[INFO] running `Command { std: "docker" "start" "-a" "0df2d9fffcc0713a04201db3181d53a3d8f8dbcd48b87d7ab191827a4596c9e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0df2d9fffcc0713a04201db3181d53a3d8f8dbcd48b87d7ab191827a4596c9e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0df2d9fffcc0713a04201db3181d53a3d8f8dbcd48b87d7ab191827a4596c9e4", kill_on_drop: false }`
[INFO] [stdout] 0df2d9fffcc0713a04201db3181d53a3d8f8dbcd48b87d7ab191827a4596c9e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6810f0ef6fea2313246947b08b4dcc3dc6c21ace1f3568d6416aaa9a153bb39d
[INFO] running `Command { std: "docker" "start" "-a" "6810f0ef6fea2313246947b08b4dcc3dc6c21ace1f3568d6416aaa9a153bb39d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking seahash v3.0.7
[INFO] [stderr]     Checking bech32 v0.8.1
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking bitcoin-bech32 v0.12.1
[INFO] [stderr]    Compiling fasthash-sys v0.3.2
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling secp256k1-sys v0.5.0
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking ripemd v0.1.1
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking xoroshiro128 v0.3.0
[INFO] [stderr]     Checking secp256k1 v0.22.1
[INFO] [stderr]     Checking fasthash v0.4.0
[INFO] [stderr]     Checking btc_brute v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/main.rs:230:25
[INFO] [stdout]     |
[INFO] [stdout] 230 |                     for x in 0..SECRETKEY_BITS {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_combinations` is never used
[INFO] [stdout]   --> src/main.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn count_combinations(n: u64, r: u64) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lexic_hamming_next` is never used
[INFO] [stdout]   --> src/main.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn lexic_hamming_next(v: u8) -> Option<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/main.rs:230:25
[INFO] [stdout]     |
[INFO] [stdout] 230 |                     for x in 0..SECRETKEY_BITS {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_combinations` is never used
[INFO] [stdout]   --> src/main.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn count_combinations(n: u64, r: u64) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lexic_hamming_next` is never used
[INFO] [stdout]   --> src/main.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn lexic_hamming_next(v: u8) -> Option<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.37s
[INFO] running `Command { std: "docker" "inspect" "6810f0ef6fea2313246947b08b4dcc3dc6c21ace1f3568d6416aaa9a153bb39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6810f0ef6fea2313246947b08b4dcc3dc6c21ace1f3568d6416aaa9a153bb39d", kill_on_drop: false }`
[INFO] [stdout] 6810f0ef6fea2313246947b08b4dcc3dc6c21ace1f3568d6416aaa9a153bb39d