[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/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/instagibbs/backoutmasterkey"`
[INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/instagibbs/backoutmasterkey'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/instagibbs/backoutmasterkey" "work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/instagibbs/backoutmasterkey"`
[INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/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 master#2bde39b8edce6463e1c37f8a8082a875e7b536b1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of instagibbs/backoutmasterkey on toolchain try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "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/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/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/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/instagibbs/backoutmasterkey/Cargo.toml
[INFO] crate instagibbs/backoutmasterkey has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking instagibbs/backoutmasterkey against try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c for pr-57483
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57483/worker-6/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/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=forbid" "-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" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 82ccd95c439b4e95cbdc2d42220835930d15e2640098d015c9a09a620f400ab3
[INFO] running `"docker" "start" "-a" "82ccd95c439b4e95cbdc2d42220835930d15e2640098d015c9a09a620f400ab3"`
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking num-complex v0.1.41
[INFO] [stderr]    Compiling secp256k1 v0.6.3
[INFO] [stderr]     Checking num-bigint v0.1.41
[INFO] [stderr]    Compiling hex-literal-impl v0.1.0
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking hex-literal v0.1.0
[INFO] [stderr]     Checking num-rational v0.1.41
[INFO] [stderr]     Checking hyper v0.9.18
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking serde v0.6.15
[INFO] [stderr]     Checking strason v0.3.4
[INFO] [stderr]     Checking serde_json v0.6.1
[INFO] [stderr]     Checking jsonrpc v0.8.0
[INFO] [stderr]     Checking bitcoin v0.10.6
[INFO] [stderr]     Checking backoutmasterkey v0.1.0 (/opt/crater/workdir)
[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] 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 26.80s
[INFO] running `"docker" "inspect" "82ccd95c439b4e95cbdc2d42220835930d15e2640098d015c9a09a620f400ab3"`
[INFO] running `"docker" "rm" "-f" "82ccd95c439b4e95cbdc2d42220835930d15e2640098d015c9a09a620f400ab3"`
[INFO] [stdout] 82ccd95c439b4e95cbdc2d42220835930d15e2640098d015c9a09a620f400ab3