[INFO] cloning repository https://github.com/Marusiella/babucoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Marusiella/babucoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarusiella%2Fbabucoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarusiella%2Fbabucoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2525af06d4dc842f3673a6051b9f3a0ca83f2b5c
[INFO] checking Marusiella/babucoin against try#4e3d7541a523df82cea75064e44e60ae9a008bcb for pr-97427
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarusiella%2Fbabucoin" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Marusiella/babucoin on toolchain 4e3d7541a523df82cea75064e44e60ae9a008bcb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4e3d7541a523df82cea75064e44e60ae9a008bcb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Marusiella/babucoin
[INFO] finished tweaking git repo https://github.com/Marusiella/babucoin
[INFO] tweaked toml for git repo https://github.com/Marusiella/babucoin written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/Marusiella/babucoin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4e3d7541a523df82cea75064e44e60ae9a008bcb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+4e3d7541a523df82cea75064e44e60ae9a008bcb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02847532ce792f7b9de0af804e17bf4900394833d3f836b202963c1e850a2b2d
[INFO] running `Command { std: "docker" "start" "-a" "02847532ce792f7b9de0af804e17bf4900394833d3f836b202963c1e850a2b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02847532ce792f7b9de0af804e17bf4900394833d3f836b202963c1e850a2b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02847532ce792f7b9de0af804e17bf4900394833d3f836b202963c1e850a2b2d", kill_on_drop: false }`
[INFO] [stdout] 02847532ce792f7b9de0af804e17bf4900394833d3f836b202963c1e850a2b2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+4e3d7541a523df82cea75064e44e60ae9a008bcb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7de5335506cb1e6e1e52c95ba7574bc6d1e090630f43d4ee1bf153d770cc03af
[INFO] running `Command { std: "docker" "start" "-a" "7de5335506cb1e6e1e52c95ba7574bc6d1e090630f43d4ee1bf153d770cc03af", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking const-oid v0.6.2
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking base64ct v1.1.1
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pem-rfc7468 v0.2.3
[INFO] [stderr]    Compiling num-bigint-dig v0.7.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking crypto-bigint v0.2.11
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking der v0.4.4
[INFO] [stderr]     Checking spki v0.4.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zeroize_derive v1.2.0
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]     Checking zeroize v1.4.2
[INFO] [stderr]     Checking pkcs1 v0.2.4
[INFO] [stderr]     Checking pkcs8 v0.7.6
[INFO] [stderr]     Checking rsa v0.5.0
[INFO] [stderr]     Checking babucoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `nic`
[INFO] [stdout]    --> src/main.rs:321:9
[INFO] [stdout]     |
[INFO] [stdout] 321 |     let nic = generate_wallet();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_nic`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:198:13
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let mut data = self.get_pendding_transactions();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/main.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn get(&self) -> String {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_transaction`
[INFO] [stdout]    --> src/main.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn add_transaction(&mut self, transaction: Transaction) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_pending`
[INFO] [stdout]    --> src/main.rs:349:4
[INFO] [stdout]     |
[INFO] [stdout] 349 | fn create_pending(blockchin: &mut BlockChain, proof: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nic`
[INFO] [stdout]    --> src/main.rs:321:9
[INFO] [stdout]     |
[INFO] [stdout] 321 |     let nic = generate_wallet();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_nic`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:198:13
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let mut data = self.get_pendding_transactions();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/main.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn get(&self) -> String {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_transaction`
[INFO] [stdout]    --> src/main.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn add_transaction(&mut self, transaction: Transaction) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_pending`
[INFO] [stdout]    --> src/main.rs:349:4
[INFO] [stdout]     |
[INFO] [stdout] 349 | fn create_pending(blockchin: &mut BlockChain, proof: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.30s
[INFO] running `Command { std: "docker" "inspect" "7de5335506cb1e6e1e52c95ba7574bc6d1e090630f43d4ee1bf153d770cc03af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7de5335506cb1e6e1e52c95ba7574bc6d1e090630f43d4ee1bf153d770cc03af", kill_on_drop: false }`
[INFO] [stdout] 7de5335506cb1e6e1e52c95ba7574bc6d1e090630f43d4ee1bf153d770cc03af