[INFO] crate bitcoin-wallet 0.2.1 is already in cache
[INFO] extracting crate bitcoin-wallet 0.2.1 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/bitcoin-wallet/0.2.1
[INFO] extracting crate bitcoin-wallet 0.2.1 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/bitcoin-wallet/0.2.1
[INFO] validating manifest of bitcoin-wallet-0.2.1 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bitcoin-wallet-0.2.1 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bitcoin-wallet-0.2.1
[INFO] finished frobbing bitcoin-wallet-0.2.1
[INFO] frobbed toml for bitcoin-wallet-0.2.1 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/bitcoin-wallet/0.2.1/Cargo.toml
[INFO] started frobbing bitcoin-wallet-0.2.1
[INFO] finished frobbing bitcoin-wallet-0.2.1
[INFO] frobbed toml for bitcoin-wallet-0.2.1 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/bitcoin-wallet/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bitcoin-wallet-0.2.1 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/bitcoin-wallet/0.2.1:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6babd550ddfce62cc972e3e66d5b3146acdd7bb06963724cd6e4e820f15927a9
[INFO] running `"docker" "start" "-a" "6babd550ddfce62cc972e3e66d5b3146acdd7bb06963724cd6e4e820f15927a9"`
[INFO] [stderr]     Checking bech32 v0.6.0
[INFO] [stderr]    Compiling bitcoinconsensus v0.16.4
[INFO] [stderr]    Compiling secp256k1 v0.12.2
[INFO] [stderr]     Checking bitcoin_hashes v0.3.2
[INFO] [stderr]     Checking bitcoin-bech32 v0.9.0
[INFO] [stderr]     Checking bitcoin v0.18.0
[INFO] [stderr]     Checking bitcoin-wallet v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]   --> src/account.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 | use std::time::{Duration, SystemTime};
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]   --> src/account.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 | use std::time::{Duration, SystemTime};
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bitcoin::util::address::Payload`
[INFO] [stderr]    --> src/account.rs:276:9
[INFO] [stderr]     |
[INFO] [stderr] 276 |     use bitcoin::util::address::Payload;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::Serialize`
[INFO] [stderr]    --> src/account.rs:279:9
[INFO] [stderr]     |
[INFO] [stderr] 279 |     use serde::Serialize;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Cursor`
[INFO] [stderr]    --> src/account.rs:281:9
[INFO] [stderr]     |
[INFO] [stderr] 281 |     use std::io::Cursor;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `public`
[INFO] [stderr]    --> src/account.rs:110:29
[INFO] [stderr]     |
[INFO] [stderr] 110 |         if let Some((_, pk, public, _)) = self.instantiated.iter().find(|(i,_, _, _)| ix == *i) {
[INFO] [stderr]     |                             ^^^^^^ help: consider prefixing with an underscore: `_public`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `public`
[INFO] [stderr]    --> src/account.rs:131:29
[INFO] [stderr]     |
[INFO] [stderr] 131 |         if let Some((_, pk, public, _)) = self.instantiated.iter().find(|(i,_, _, _)| ix == *i) {
[INFO] [stderr]     |                             ^^^^^^ help: consider prefixing with an underscore: `_public`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/account.rs:244:42
[INFO] [stderr]     |
[INFO] [stderr] 244 |                 if let Some((_,pk,public,a)) = self.instantiated.iter().find(|(_,_,_,a)| a.script_pubkey() == spend.script_pubkey) {
[INFO] [stderr]     |                                          ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vout`
[INFO] [stderr]   --> src/wallet.rs:57:26
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 for (i, (vout, c)) in self.confirmed.iter().enumerate().rev() {
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_vout`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `address_type`
[INFO] [stderr]   --> src/account.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     address_type: AccountAddressType,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `key`
[INFO] [stderr]   --> src/account.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     key: ExtendedPrivKey,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `context`
[INFO] [stderr]   --> src/account.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     context: Arc<SecpContext>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `network`
[INFO] [stderr]   --> src/account.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     network: Network,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `birth`
[INFO] [stderr]    --> src/account.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     birth: u64,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `next`
[INFO] [stderr]    --> src/account.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     next: u32
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `scripts`
[INFO] [stderr]   --> src/wallet.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     scripts: HashSet<Script>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `public`
[INFO] [stderr]    --> src/account.rs:110:29
[INFO] [stderr]     |
[INFO] [stderr] 110 |         if let Some((_, pk, public, _)) = self.instantiated.iter().find(|(i,_, _, _)| ix == *i) {
[INFO] [stderr]     |                             ^^^^^^ help: consider prefixing with an underscore: `_public`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `public`
[INFO] [stderr]    --> src/account.rs:131:29
[INFO] [stderr]     |
[INFO] [stderr] 131 |         if let Some((_, pk, public, _)) = self.instantiated.iter().find(|(i,_, _, _)| ix == *i) {
[INFO] [stderr]     |                             ^^^^^^ help: consider prefixing with an underscore: `_public`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/account.rs:244:42
[INFO] [stderr]     |
[INFO] [stderr] 244 |                 if let Some((_,pk,public,a)) = self.instantiated.iter().find(|(_,_,_,a)| a.script_pubkey() == spend.script_pubkey) {
[INFO] [stderr]     |                                          ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pk`
[INFO] [stderr]    --> src/account.rs:289:13
[INFO] [stderr]     |
[INFO] [stderr] 289 |         let pk = account.receive.new_key(0).unwrap();
[INFO] [stderr]     |             ^^ help: consider prefixing with an underscore: `_pk`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pk`
[INFO] [stderr]    --> src/account.rs:345:13
[INFO] [stderr]     |
[INFO] [stderr] 345 |         let pk = account.receive.new_key(0).unwrap();
[INFO] [stderr]     |             ^^ help: consider prefixing with an underscore: `_pk`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pk`
[INFO] [stderr]    --> src/account.rs:402:13
[INFO] [stderr]     |
[INFO] [stderr] 402 |         let pk = account.receive.new_key(0).unwrap();
[INFO] [stderr]     |             ^^ help: consider prefixing with an underscore: `_pk`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/account.rs:461:25
[INFO] [stderr]     |
[INFO] [stderr] 461 |         let scripter = |n: u32, public: &PublicKey| {
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pk`
[INFO] [stderr]    --> src/account.rs:471:13
[INFO] [stderr]     |
[INFO] [stderr] 471 |         let pk = account.receive.new_key_script(0, scripter).unwrap();
[INFO] [stderr]     |             ^^ help: consider prefixing with an underscore: `_pk`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vout`
[INFO] [stderr]   --> src/wallet.rs:57:26
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 for (i, (vout, c)) in self.confirmed.iter().enumerate().rev() {
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_vout`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `address_type`
[INFO] [stderr]   --> src/account.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     address_type: AccountAddressType,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `key`
[INFO] [stderr]   --> src/account.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     key: ExtendedPrivKey,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `context`
[INFO] [stderr]   --> src/account.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     context: Arc<SecpContext>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `network`
[INFO] [stderr]   --> src/account.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     network: Network,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `birth`
[INFO] [stderr]    --> src/account.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     birth: u64,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `next`
[INFO] [stderr]    --> src/account.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     next: u32
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `scripts`
[INFO] [stderr]   --> src/wallet.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     scripts: HashSet<Script>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.56s
[INFO] running `"docker" "inspect" "6babd550ddfce62cc972e3e66d5b3146acdd7bb06963724cd6e4e820f15927a9"`
[INFO] running `"docker" "rm" "-f" "6babd550ddfce62cc972e3e66d5b3146acdd7bb06963724cd6e4e820f15927a9"`
[INFO] [stdout] 6babd550ddfce62cc972e3e66d5b3146acdd7bb06963724cd6e4e820f15927a9