[INFO] fetching crate btc-transaction-utils 0.9.0...
[INFO] checking btc-transaction-utils-0.9.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate btc-transaction-utils 0.9.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate btc-transaction-utils 0.9.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btc-transaction-utils 0.9.0
[INFO] finished tweaking crates.io crate btc-transaction-utils 0.9.0
[INFO] tweaked toml for crates.io crate btc-transaction-utils 0.9.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.41
[INFO] [stderr]   Downloaded serde_str v0.1.0
[INFO] [stderr]   Downloaded bech32 v0.7.3
[INFO] [stderr]   Downloaded secp256k1 v0.17.2
[INFO] [stderr]   Downloaded bitcoin_hashes v0.7.6
[INFO] [stderr]   Downloaded secp256k1-sys v0.1.2
[INFO] [stderr]   Downloaded bitcoin v0.23.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32d2a8f6f88a6eda531f58c29021afc53c1ec93a3056a44b97ff200ae2f3102a
[INFO] running `Command { std: "docker" "start" "-a" "32d2a8f6f88a6eda531f58c29021afc53c1ec93a3056a44b97ff200ae2f3102a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32d2a8f6f88a6eda531f58c29021afc53c1ec93a3056a44b97ff200ae2f3102a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32d2a8f6f88a6eda531f58c29021afc53c1ec93a3056a44b97ff200ae2f3102a", kill_on_drop: false }`
[INFO] [stdout] 32d2a8f6f88a6eda531f58c29021afc53c1ec93a3056a44b97ff200ae2f3102a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f97b10e4cf339282edecd45fb4d706de9084f2d01c74168e1dae93c8a0e0cde7
[INFO] running `Command { std: "docker" "start" "-a" "f97b10e4cf339282edecd45fb4d706de9084f2d01c74168e1dae93c8a0e0cde7", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking bech32 v0.7.3
[INFO] [stderr]     Checking bitcoin_hashes v0.7.6
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking serde_str v0.1.0
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking bitcoin v0.23.0
[INFO] [stderr]     Checking btc-transaction-utils v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `secp256k1` is imported redundantly
[INFO] [stdout]   --> src/sign.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | use secp256k1::{self, Message, Secp256k1, SecretKey, Signature, Signing, Verification};
[INFO] [stdout]    |                 ^^^^ the item `secp256k1` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]   --> src/sign.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::borrow::ToOwned;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToOwned` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/multisig.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use hex;
[INFO] [stdout]    |     ^^^ the item `hex` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `secp256k1` is imported redundantly
[INFO] [stdout]   --> src/sign.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | use secp256k1::{self, Message, Secp256k1, SecretKey, Signature, Signing, Verification};
[INFO] [stdout]    |                 ^^^^ the item `secp256k1` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]   --> src/sign.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::borrow::ToOwned;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToOwned` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/multisig.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use hex;
[INFO] [stdout]    |     ^^^ the item `hex` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/multisig.rs:132:10
[INFO] [stdout]     |
[INFO] [stdout] 132 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `secp256k1` is imported redundantly
[INFO] [stdout]   --> src/p2wpk.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | use secp256k1::{self, All, Secp256k1, SecretKey};
[INFO] [stdout]    |                 ^^^^ the item `secp256k1` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `secp256k1` is imported redundantly
[INFO] [stdout]   --> src/p2wsh.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | use secp256k1::{self, All, Secp256k1, SecretKey};
[INFO] [stdout]    |                 ^^^^ the item `secp256k1` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/multisig.rs:132:10
[INFO] [stdout]     |
[INFO] [stdout] 132 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `secp256k1` is imported redundantly
[INFO] [stdout]   --> src/p2wpk.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | use secp256k1::{self, All, Secp256k1, SecretKey};
[INFO] [stdout]    |                 ^^^^ the item `secp256k1` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `secp256k1` is imported redundantly
[INFO] [stdout]   --> src/p2wsh.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | use secp256k1::{self, All, Secp256k1, SecretKey};
[INFO] [stdout]    |                 ^^^^ the item `secp256k1` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::convert::From::from` that must be used
[INFO] [stdout]    --> src/multisig.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 | /         RedeemScript::from(
[INFO] [stdout] 318 | |             "5321027db7837e51888e94c094703030d162c682c8dba312210f44ff440fbd5e5c24732102bdd272891c9\
[INFO] [stdout] 319 | |              e4dfc3962b1fdffd5a59732019816f9db4833634dbdaf01a401a52103280883dc31ccaee34218819aaa24\
[INFO] [stdout] 320 | |              5480c35a33acd91283586ff6d1284ed681e52103e2bc790a6e32bf5a766919ff55b1f9e9914e13aed84f5\
[INFO] [stdout] 321 | |              02c0e4171976e19deb054ae",
[INFO] [stdout] 322 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 317 |         let _ = RedeemScript::from(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::convert::From::from` that must be used
[INFO] [stdout]    --> src/multisig.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 | /         RedeemScript::from(
[INFO] [stdout] 328 | |             "5c21031cf96b4fef362af7d86ee6c7159fa89485730dac8e3090163dd0c282dbc84f2221028839757bba9\
[INFO] [stdout] 329 | |              bdf46ae553c124479e5c3ded609495f3e93e88ab23c0f559e8be521035c70ffb21d1b454ec650e511e76f6\
[INFO] [stdout] 330 | |              bd3fe76f49c471522ee187abac8d0131a18210234acd7dee22bc23688beed0c7e42c0930cfe024204b7298\
[INFO] [stdout] ...   |
[INFO] [stdout] 342 | |              793a1437db847ecd04129dc0112ae",
[INFO] [stdout] 343 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 327 |         let _ = RedeemScript::from(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.77s
[INFO] running `Command { std: "docker" "inspect" "f97b10e4cf339282edecd45fb4d706de9084f2d01c74168e1dae93c8a0e0cde7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f97b10e4cf339282edecd45fb4d706de9084f2d01c74168e1dae93c8a0e0cde7", kill_on_drop: false }`
[INFO] [stdout] f97b10e4cf339282edecd45fb4d706de9084f2d01c74168e1dae93c8a0e0cde7
[INFO] checking btc-transaction-utils-0.9.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate btc-transaction-utils 0.9.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate btc-transaction-utils 0.9.0 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btc-transaction-utils 0.9.0
[INFO] finished tweaking crates.io crate btc-transaction-utils 0.9.0
[INFO] tweaked toml for crates.io crate btc-transaction-utils 0.9.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc1c2b9d3860f681c08fa8012ac3ff21cd703e18101b956b0066c81e5517f7e5
[INFO] running `Command { std: "docker" "start" "-a" "bc1c2b9d3860f681c08fa8012ac3ff21cd703e18101b956b0066c81e5517f7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc1c2b9d3860f681c08fa8012ac3ff21cd703e18101b956b0066c81e5517f7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc1c2b9d3860f681c08fa8012ac3ff21cd703e18101b956b0066c81e5517f7e5", kill_on_drop: false }`
[INFO] [stdout] bc1c2b9d3860f681c08fa8012ac3ff21cd703e18101b956b0066c81e5517f7e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c5240e2daf58b8c79755a1f3e09ad51365271a8c46ee7f7375dbea2f8d29616
[INFO] running `Command { std: "docker" "start" "-a" "8c5240e2daf58b8c79755a1f3e09ad51365271a8c46ee7f7375dbea2f8d29616", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking bitcoin_hashes v0.7.6
[INFO] [stderr]     Checking bech32 v0.7.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking serde_str v0.1.0
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking bitcoin v0.23.0
[INFO] [stderr]     Checking btc-transaction-utils v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `secp256k1` is imported redundantly
[INFO] [stdout]   --> src/sign.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | use secp256k1::{self, Message, Secp256k1, SecretKey, Signature, Signing, Verification};
[INFO] [stdout]    |                 ^^^^ the item `secp256k1` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]   --> src/sign.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::borrow::ToOwned;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToOwned` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/multisig.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use hex;
[INFO] [stdout]    |     ^^^ the item `hex` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `secp256k1` is imported redundantly
[INFO] [stdout]   --> src/sign.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | use secp256k1::{self, Message, Secp256k1, SecretKey, Signature, Signing, Verification};
[INFO] [stdout]    |                 ^^^^ the item `secp256k1` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]   --> src/sign.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::borrow::ToOwned;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToOwned` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/multisig.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use hex;
[INFO] [stdout]    |     ^^^ the item `hex` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/multisig.rs:132:10
[INFO] [stdout]     |
[INFO] [stdout] 132 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `secp256k1` is imported redundantly
[INFO] [stdout]   --> src/p2wpk.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | use secp256k1::{self, All, Secp256k1, SecretKey};
[INFO] [stdout]    |                 ^^^^ the item `secp256k1` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `secp256k1` is imported redundantly
[INFO] [stdout]   --> src/p2wsh.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | use secp256k1::{self, All, Secp256k1, SecretKey};
[INFO] [stdout]    |                 ^^^^ the item `secp256k1` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/multisig.rs:132:10
[INFO] [stdout]     |
[INFO] [stdout] 132 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `secp256k1` is imported redundantly
[INFO] [stdout]   --> src/p2wpk.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | use secp256k1::{self, All, Secp256k1, SecretKey};
[INFO] [stdout]    |                 ^^^^ the item `secp256k1` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `secp256k1` is imported redundantly
[INFO] [stdout]   --> src/p2wsh.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | use secp256k1::{self, All, Secp256k1, SecretKey};
[INFO] [stdout]    |                 ^^^^ the item `secp256k1` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::convert::From::from` that must be used
[INFO] [stdout]    --> src/multisig.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 | /         RedeemScript::from(
[INFO] [stdout] 318 | |             "5321027db7837e51888e94c094703030d162c682c8dba312210f44ff440fbd5e5c24732102bdd272891c9\
[INFO] [stdout] 319 | |              e4dfc3962b1fdffd5a59732019816f9db4833634dbdaf01a401a52103280883dc31ccaee34218819aaa24\
[INFO] [stdout] 320 | |              5480c35a33acd91283586ff6d1284ed681e52103e2bc790a6e32bf5a766919ff55b1f9e9914e13aed84f5\
[INFO] [stdout] 321 | |              02c0e4171976e19deb054ae",
[INFO] [stdout] 322 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 317 |         let _ = RedeemScript::from(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::convert::From::from` that must be used
[INFO] [stdout]    --> src/multisig.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 | /         RedeemScript::from(
[INFO] [stdout] 328 | |             "5c21031cf96b4fef362af7d86ee6c7159fa89485730dac8e3090163dd0c282dbc84f2221028839757bba9\
[INFO] [stdout] 329 | |              bdf46ae553c124479e5c3ded609495f3e93e88ab23c0f559e8be521035c70ffb21d1b454ec650e511e76f6\
[INFO] [stdout] 330 | |              bd3fe76f49c471522ee187abac8d0131a18210234acd7dee22bc23688beed0c7e42c0930cfe024204b7298\
[INFO] [stdout] ...   |
[INFO] [stdout] 342 | |              793a1437db847ecd04129dc0112ae",
[INFO] [stdout] 343 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 327 |         let _ = RedeemScript::from(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `Command { std: "docker" "inspect" "8c5240e2daf58b8c79755a1f3e09ad51365271a8c46ee7f7375dbea2f8d29616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c5240e2daf58b8c79755a1f3e09ad51365271a8c46ee7f7375dbea2f8d29616", kill_on_drop: false }`
[INFO] [stdout] 8c5240e2daf58b8c79755a1f3e09ad51365271a8c46ee7f7375dbea2f8d29616
