[INFO] updating cached repository instagibbs/backoutmasterkey
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/instagibbs/backoutmasterkey
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/instagibbs/backoutmasterkey" "work/ex/beta-1.38-1/sources/1.37.0/gh/instagibbs/backoutmasterkey"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/instagibbs/backoutmasterkey'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/instagibbs/backoutmasterkey" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/instagibbs/backoutmasterkey"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/instagibbs/backoutmasterkey'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 52f5bbfd2e4243f7f0b3fb5e4612db7fc7d618f0
[INFO] sha for GitHub repo instagibbs/backoutmasterkey: 52f5bbfd2e4243f7f0b3fb5e4612db7fc7d618f0
[INFO] validating manifest of instagibbs/backoutmasterkey 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 instagibbs/backoutmasterkey 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 instagibbs/backoutmasterkey
[INFO] finished frobbing instagibbs/backoutmasterkey
[INFO] frobbed toml for instagibbs/backoutmasterkey written to work/ex/beta-1.38-1/sources/1.37.0/gh/instagibbs/backoutmasterkey/Cargo.toml
[INFO] started frobbing instagibbs/backoutmasterkey
[INFO] finished frobbing instagibbs/backoutmasterkey
[INFO] frobbed toml for instagibbs/backoutmasterkey written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/instagibbs/backoutmasterkey/Cargo.toml
[INFO] crate instagibbs/backoutmasterkey 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing instagibbs/backoutmasterkey against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/instagibbs/backoutmasterkey:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 8fcb347806864388eec019e37d88b8de5154f29103d804a23e2f6819b092006f
[INFO] running `"docker" "start" "-a" "8fcb347806864388eec019e37d88b8de5154f29103d804a23e2f6819b092006f"`
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling num-complex v0.1.41
[INFO] [stderr]    Compiling secp256k1 v0.6.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling num-bigint v0.1.41
[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]    Compiling cookie v0.2.5
[INFO] [stderr]    Compiling arrayvec v0.3.25
[INFO] [stderr]    Compiling proc-macro-hack v0.4.0
[INFO] [stderr]    Compiling hex-literal-impl v0.1.0
[INFO] [stderr]    Compiling solicit v0.4.4
[INFO] [stderr]    Compiling num-rational v0.1.41
[INFO] [stderr]    Compiling hex-literal v0.1.0
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling serde v0.6.15
[INFO] [stderr]    Compiling hyper v0.9.18
[INFO] [stderr]    Compiling serde_json v0.6.1
[INFO] [stderr]    Compiling strason v0.3.4
[INFO] [stderr]    Compiling jsonrpc v0.8.0
[INFO] [stderr]    Compiling bitcoin v0.10.6
[INFO] [stderr]    Compiling backoutmasterkey v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:41:76
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let child_key = bitcoin::util::address::Privkey::from_base58check(v[2].trim_right()).unwrap();
[INFO] [stderr]    |                                                                            ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     child_tweak.mul_assign(&ctx, &minusone_key);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     child_secret.add_assign(&ctx, &child_tweak);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.73s
[INFO] running `"docker" "inspect" "8fcb347806864388eec019e37d88b8de5154f29103d804a23e2f6819b092006f"`
[INFO] running `"docker" "rm" "-f" "8fcb347806864388eec019e37d88b8de5154f29103d804a23e2f6819b092006f"`
[INFO] [stdout] 8fcb347806864388eec019e37d88b8de5154f29103d804a23e2f6819b092006f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/instagibbs/backoutmasterkey:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9ed3c8591dca9407c31ecf4761ab7e3e14a00076309b01db15686a5581b1e389
[INFO] running `"docker" "start" "-a" "9ed3c8591dca9407c31ecf4761ab7e3e14a00076309b01db15686a5581b1e389"`
[INFO] [stderr]    Compiling backoutmasterkey v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:41:76
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let child_key = bitcoin::util::address::Privkey::from_base58check(v[2].trim_right()).unwrap();
[INFO] [stderr]    |                                                                            ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     child_tweak.mul_assign(&ctx, &minusone_key);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     child_secret.add_assign(&ctx, &child_tweak);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "9ed3c8591dca9407c31ecf4761ab7e3e14a00076309b01db15686a5581b1e389"`
[INFO] running `"docker" "rm" "-f" "9ed3c8591dca9407c31ecf4761ab7e3e14a00076309b01db15686a5581b1e389"`
[INFO] [stdout] 9ed3c8591dca9407c31ecf4761ab7e3e14a00076309b01db15686a5581b1e389
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/instagibbs/backoutmasterkey:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b54ecc4f0d244b90632aecdf96699dfb82d42a96257084ba1769b5fa28047ba3
[INFO] running `"docker" "start" "-a" "b54ecc4f0d244b90632aecdf96699dfb82d42a96257084ba1769b5fa28047ba3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/backoutmasterkey-30afe5fcc5b41550
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b54ecc4f0d244b90632aecdf96699dfb82d42a96257084ba1769b5fa28047ba3"`
[INFO] running `"docker" "rm" "-f" "b54ecc4f0d244b90632aecdf96699dfb82d42a96257084ba1769b5fa28047ba3"`
[INFO] [stdout] b54ecc4f0d244b90632aecdf96699dfb82d42a96257084ba1769b5fa28047ba3