[INFO] updating cached repository etscrivner/programmingbitcoin-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/etscrivner/programmingbitcoin-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/etscrivner/programmingbitcoin-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/etscrivner/programmingbitcoin-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/etscrivner/programmingbitcoin-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/etscrivner/programmingbitcoin-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/etscrivner/programmingbitcoin-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/etscrivner/programmingbitcoin-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4741bf1d911bcc74fb993e71f3131a0e09f6f5f8
[INFO] sha for GitHub repo etscrivner/programmingbitcoin-rust: 4741bf1d911bcc74fb993e71f3131a0e09f6f5f8
[INFO] validating manifest of etscrivner/programmingbitcoin-rust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of etscrivner/programmingbitcoin-rust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing etscrivner/programmingbitcoin-rust
[INFO] finished frobbing etscrivner/programmingbitcoin-rust
[INFO] frobbed toml for etscrivner/programmingbitcoin-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/etscrivner/programmingbitcoin-rust/Cargo.toml
[INFO] started frobbing etscrivner/programmingbitcoin-rust
[INFO] finished frobbing etscrivner/programmingbitcoin-rust
[INFO] frobbed toml for etscrivner/programmingbitcoin-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/etscrivner/programmingbitcoin-rust/Cargo.toml
[INFO] crate etscrivner/programmingbitcoin-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing etscrivner/programmingbitcoin-rust against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/etscrivner/programmingbitcoin-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] bd96cb8dff487de403433c9db8226095a633ea4d89e2b8adb1828c3107a037d2
[INFO] running `"docker" "start" "-a" "bd96cb8dff487de403433c9db8226095a633ea4d89e2b8adb1828c3107a037d2"`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling byte-tools v0.3.0
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.10
[INFO] [stderr]    Compiling rug v1.2.2
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling opaque-debug v0.2.1
[INFO] [stderr]    Compiling fake-simd v0.1.2
[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 sha2 v0.8.0
[INFO] [stderr]    Compiling hmac v0.7.0
[INFO] [stderr]    Compiling pbitcoinrs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `from_sec`
[INFO] [stderr]   --> src/programmingbitcoin/serialization.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn from_sec(data: &Vec<u8>, curve: &Rc<CryptographicCurve>) -> Point {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 50s
[INFO] running `"docker" "inspect" "bd96cb8dff487de403433c9db8226095a633ea4d89e2b8adb1828c3107a037d2"`
[INFO] running `"docker" "rm" "-f" "bd96cb8dff487de403433c9db8226095a633ea4d89e2b8adb1828c3107a037d2"`
[INFO] [stdout] bd96cb8dff487de403433c9db8226095a633ea4d89e2b8adb1828c3107a037d2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/etscrivner/programmingbitcoin-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] dbd90c6d7c9be840e71a42cc2f926b4e7b9ea122c88310123a6b02fd14bb492d
[INFO] running `"docker" "start" "-a" "dbd90c6d7c9be840e71a42cc2f926b4e7b9ea122c88310123a6b02fd14bb492d"`
[INFO] [stderr]    Compiling pbitcoinrs v0.1.0 (/opt/crater/workdir)
[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]     Finished dev [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `"docker" "inspect" "dbd90c6d7c9be840e71a42cc2f926b4e7b9ea122c88310123a6b02fd14bb492d"`
[INFO] running `"docker" "rm" "-f" "dbd90c6d7c9be840e71a42cc2f926b4e7b9ea122c88310123a6b02fd14bb492d"`
[INFO] [stdout] dbd90c6d7c9be840e71a42cc2f926b4e7b9ea122c88310123a6b02fd14bb492d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/etscrivner/programmingbitcoin-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 256356c4d3606f13d988a55f19d9d84c079e6d0f9de24aea07825d419578c4cf
[INFO] running `"docker" "start" "-a" "256356c4d3606f13d988a55f19d9d84c079e6d0f9de24aea07825d419578c4cf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pbitcoinrs-1521d899a0b52f60
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test programmingbitcoin::base58::test_base58_encoding ... ok
[INFO] [stdout] test programmingbitcoin::ellipticcurve::test_finiteellipticcurve_on_curve ... ok
[INFO] [stdout] test programmingbitcoin::ellipticcurve::test_point_add ... ok
[INFO] [stdout] test programmingbitcoin::finitefield::test_fieldelement_add ... ok
[INFO] [stdout] test programmingbitcoin::ellipticcurve::test_point_additive_identity ... ok
[INFO] [stdout] test programmingbitcoin::finitefield::test_galois_fields ... ok
[INFO] [stdout] test programmingbitcoin::finitefield::test_fieldelement_sub ... ok
[INFO] [stdout] test programmingbitcoin::finitefield::test_fieldelement_div ... ok
[INFO] [stdout] test programmingbitcoin::finitefield::test_fieldelement_mul ... ok
[INFO] [stdout] test programmingbitcoin::serialization::test_der_serialization ... ok
[INFO] [stdout] test programmingbitcoin::serialization::test_sec_serialization ... ok
[INFO] [stdout] test programmingbitcoin::finitefield::test_pow ... 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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "256356c4d3606f13d988a55f19d9d84c079e6d0f9de24aea07825d419578c4cf"`
[INFO] running `"docker" "rm" "-f" "256356c4d3606f13d988a55f19d9d84c079e6d0f9de24aea07825d419578c4cf"`
[INFO] [stdout] 256356c4d3606f13d988a55f19d9d84c079e6d0f9de24aea07825d419578c4cf