[INFO] crate tiny-secp256k1 0.1.0 is already in cache
[INFO] extracting crate tiny-secp256k1 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/tiny-secp256k1/0.1.0
[INFO] extracting crate tiny-secp256k1 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tiny-secp256k1/0.1.0
[INFO] validating manifest of tiny-secp256k1-0.1.0 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 tiny-secp256k1-0.1.0 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 tiny-secp256k1-0.1.0
[INFO] finished frobbing tiny-secp256k1-0.1.0
[INFO] frobbed toml for tiny-secp256k1-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/tiny-secp256k1/0.1.0/Cargo.toml
[INFO] started frobbing tiny-secp256k1-0.1.0
[INFO] finished frobbing tiny-secp256k1-0.1.0
[INFO] frobbed toml for tiny-secp256k1-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tiny-secp256k1/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 tiny-secp256k1-0.1.0 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tiny-secp256k1/0.1.0:/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] 3467c94394773813b3b1eb7c10d6e768fe187d707a3a3db8e55659f96f6327a1
[INFO] running `"docker" "start" "-a" "3467c94394773813b3b1eb7c10d6e768fe187d707a3a3db8e55659f96f6327a1"`
[INFO] [stderr]    Compiling tiny-secp256k1 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `core::ops::Mul::mul` that must be used
[INFO] [stderr]    --> src/big_num.rs:281:4
[INFO] [stderr]     |
[INFO] [stderr] 281 |             self.mul(rhs.words[0]);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "3467c94394773813b3b1eb7c10d6e768fe187d707a3a3db8e55659f96f6327a1"`
[INFO] running `"docker" "rm" "-f" "3467c94394773813b3b1eb7c10d6e768fe187d707a3a3db8e55659f96f6327a1"`
[INFO] [stdout] 3467c94394773813b3b1eb7c10d6e768fe187d707a3a3db8e55659f96f6327a1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tiny-secp256k1/0.1.0:/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] 43cf3dfd18f1ce2b2f8ef7b0189e80339ce0e5f42c3fbff6642120afb39d57bd
[INFO] running `"docker" "start" "-a" "43cf3dfd18f1ce2b2f8ef7b0189e80339ce0e5f42c3fbff6642120afb39d57bd"`
[INFO] [stderr]    Compiling secp256k1 v0.6.3
[INFO] [stderr]    Compiling serde v0.6.15
[INFO] [stderr]    Compiling serde_json v0.6.1
[INFO] [stderr]    Compiling tiny-secp256k1 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `core::ops::Mul::mul` that must be used
[INFO] [stderr]    --> src/big_num.rs:281:4
[INFO] [stderr]     |
[INFO] [stderr] 281 |             self.mul(rhs.words[0]);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.44s
[INFO] running `"docker" "inspect" "43cf3dfd18f1ce2b2f8ef7b0189e80339ce0e5f42c3fbff6642120afb39d57bd"`
[INFO] running `"docker" "rm" "-f" "43cf3dfd18f1ce2b2f8ef7b0189e80339ce0e5f42c3fbff6642120afb39d57bd"`
[INFO] [stdout] 43cf3dfd18f1ce2b2f8ef7b0189e80339ce0e5f42c3fbff6642120afb39d57bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tiny-secp256k1/0.1.0:/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] 862d5100ae454942444449346fb3552ea2fd42d632b0dfe3583b26e9fb72b1eb
[INFO] running `"docker" "start" "-a" "862d5100ae454942444449346fb3552ea2fd42d632b0dfe3583b26e9fb72b1eb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tiny_secp256k1-06bf5769e9bbe26b
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test big_num::tests::big_num_add_big_num ... ok
[INFO] [stdout] test big_num::tests::big_num_partial_ord_u32 ... ok
[INFO] [stdout] test big_num::tests::big_num_partial_eq_u32 ... ok
[INFO] [stdout] test big_num::tests::big_num_shr ... ok
[INFO] [stdout] test big_num::tests::big_num_sub_big_num ... ok
[INFO] [stdout] test big_num::tests::is_overflow ... ok
[INFO] [stdout] test big_num::tests::big_num_sub_big_num_negative ... ok
[INFO] [stdout] test big_num::tests::mul_k ... ok
[INFO] [stdout] test big_num::tests::produces_valid_nc ... ok
[INFO] [stdout] test big_num::tests::produces_valid_nh ... ok
[INFO] [stdout] test big_num::tests::produces_valid_p ... ok
[INFO] [stdout] test big_num::tests::produces_valid_n ... ok
[INFO] [stdout] test big_num::tests::red_neg ... ok
[INFO] [stdout] test big_num::tests::p_naf ... ok
[INFO] [stdout] test big_num::tests::n_sub_one ... ok
[INFO] [stdout] test big_num::tests::produces_valid_psn ... ok
[INFO] [stdout] test ecj_point::tests::ecj_point_mixed_add ... ok
[INFO] [stdout] test big_num::tests::red_invm ... ok
[INFO] [stdout] test big_num::tests::n_naf ... ok
[INFO] [stdout] test big_num::tests::multiply ... ok
[INFO] [stdout] test big_num::tests::red_reduce ... ok
[INFO] [stdout] test ecj_point::tests::ecj_point_add ... ok
[INFO] [stdout] test tests::create_public_key_empty_phrase ... ok
[INFO] [stdout] test tests::create_public_key ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tiny-secp256k1
[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" "862d5100ae454942444449346fb3552ea2fd42d632b0dfe3583b26e9fb72b1eb"`
[INFO] running `"docker" "rm" "-f" "862d5100ae454942444449346fb3552ea2fd42d632b0dfe3583b26e9fb72b1eb"`
[INFO] [stdout] 862d5100ae454942444449346fb3552ea2fd42d632b0dfe3583b26e9fb72b1eb