[INFO] cloning repository https://github.com/etscrivner/programmingbitcoin-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/etscrivner/programmingbitcoin-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetscrivner%2Fprogrammingbitcoin-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetscrivner%2Fprogrammingbitcoin-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4741bf1d911bcc74fb993e71f3131a0e09f6f5f8
[INFO] testing etscrivner/programmingbitcoin-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetscrivner%2Fprogrammingbitcoin-rust" "/workspace/builds/worker-35/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/etscrivner/programmingbitcoin-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/etscrivner/programmingbitcoin-rust
[INFO] finished tweaking git repo https://github.com/etscrivner/programmingbitcoin-rust
[INFO] tweaked toml for git repo https://github.com/etscrivner/programmingbitcoin-rust written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate git repo https://github.com/etscrivner/programmingbitcoin-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hmac v0.7.0
[INFO] [stderr]   Downloaded subtle v1.0.0
[INFO] [stderr]   Downloaded crypto-mac v0.7.0
[INFO] [stderr]   Downloaded rug v1.2.2
[INFO] [stderr]   Downloaded block-padding v0.1.2
[INFO] [stderr]   Downloaded byte-tools v0.3.0
[INFO] [stderr]   Downloaded libc v0.2.46
[INFO] [stderr]   Downloaded opaque-debug v0.2.1
[INFO] [stderr]   Downloaded block-buffer v0.7.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf5e0a4d9f2b66fd28c0d5d9968d30085e6151a2ac325118b681a931131db01c
[INFO] running `Command { std: "docker" "start" "-a" "cf5e0a4d9f2b66fd28c0d5d9968d30085e6151a2ac325118b681a931131db01c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf5e0a4d9f2b66fd28c0d5d9968d30085e6151a2ac325118b681a931131db01c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf5e0a4d9f2b66fd28c0d5d9968d30085e6151a2ac325118b681a931131db01c", kill_on_drop: false }`
[INFO] [stdout] cf5e0a4d9f2b66fd28c0d5d9968d30085e6151a2ac325118b681a931131db01c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04b5a52bedf351de0fa04641b53a112d02b50af57990af8ec9596a5d70039623
[INFO] running `Command { std: "docker" "start" "-a" "04b5a52bedf351de0fa04641b53a112d02b50af57990af8ec9596a5d70039623", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.10
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling byte-tools v0.3.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling rug v1.2.2
[INFO] [stderr]    Compiling opaque-debug v0.2.1
[INFO] [stderr]    Compiling block-padding v0.1.2
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling block-buffer v0.7.0
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling hmac v0.7.0
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling pbitcoinrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `from_sec`
[INFO] [stdout]   --> src/programmingbitcoin/serialization.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn from_sec(data: &Vec<u8>, curve: &Rc<CryptographicCurve>) -> Point {
[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 dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "04b5a52bedf351de0fa04641b53a112d02b50af57990af8ec9596a5d70039623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04b5a52bedf351de0fa04641b53a112d02b50af57990af8ec9596a5d70039623", kill_on_drop: false }`
[INFO] [stdout] 04b5a52bedf351de0fa04641b53a112d02b50af57990af8ec9596a5d70039623
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99325acf794d16c08560639dcef32656832b7ba1528d03a8b8d20715ef9e176e
[INFO] running `Command { std: "docker" "start" "-a" "99325acf794d16c08560639dcef32656832b7ba1528d03a8b8d20715ef9e176e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pbitcoinrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/programmingbitcoin/base58.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut result = base58_encode(bytes);
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` 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 10.08s
[INFO] running `Command { std: "docker" "inspect" "99325acf794d16c08560639dcef32656832b7ba1528d03a8b8d20715ef9e176e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99325acf794d16c08560639dcef32656832b7ba1528d03a8b8d20715ef9e176e", kill_on_drop: false }`
[INFO] [stdout] 99325acf794d16c08560639dcef32656832b7ba1528d03a8b8d20715ef9e176e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9646527a3371dc0d21ebdde918fd58d78c60ef530d906392cd36799389e710c
[INFO] running `Command { std: "docker" "start" "-a" "c9646527a3371dc0d21ebdde918fd58d78c60ef530d906392cd36799389e710c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/programmingbitcoin/base58.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut result = base58_encode(bytes);
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pbitcoinrs` (bin "pbitcoinrs" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.59s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pbitcoinrs-6470e52bd23dbc5e)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test programmingbitcoin::base58::test_base58_encoding ... ok
[INFO] [stdout] test programmingbitcoin::ellipticcurve::test_point_additive_identity ... ok
[INFO] [stdout] test programmingbitcoin::finitefield::test_fieldelement_mul ... ok
[INFO] [stdout] test programmingbitcoin::ellipticcurve::test_finiteellipticcurve_on_curve ... ok
[INFO] [stdout] test programmingbitcoin::finitefield::test_galois_fields ... ok
[INFO] [stdout] test programmingbitcoin::ellipticcurve::test_point_add ... ok
[INFO] [stdout] test programmingbitcoin::finitefield::test_fieldelement_sub ... ok
[INFO] [stdout] test programmingbitcoin::finitefield::test_pow ... ok
[INFO] [stdout] test programmingbitcoin::finitefield::test_fieldelement_add ... ok
[INFO] [stdout] test programmingbitcoin::finitefield::test_fieldelement_div ... ok
[INFO] [stdout] test programmingbitcoin::serialization::test_der_serialization ... ok
[INFO] [stdout] test programmingbitcoin::serialization::test_sec_serialization ... ok
[INFO] [stdout] test programmingbitcoin::ecdsa::test_signing ... ok
[INFO] [stdout] test programmingbitcoin::ecdsa::test_signature_verification ... ok
[INFO] [stdout] test programmingbitcoin::ellipticcurve::test_point_mul ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c9646527a3371dc0d21ebdde918fd58d78c60ef530d906392cd36799389e710c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9646527a3371dc0d21ebdde918fd58d78c60ef530d906392cd36799389e710c", kill_on_drop: false }`
[INFO] [stdout] c9646527a3371dc0d21ebdde918fd58d78c60ef530d906392cd36799389e710c