[INFO] cloning repository https://github.com/dancer2090/rust-bitcoin-wallet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dancer2090/rust-bitcoin-wallet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdancer2090%2Frust-bitcoin-wallet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdancer2090%2Frust-bitcoin-wallet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bb3636368d9680fdca7086006f342922fba22bf
[INFO] checking dancer2090/rust-bitcoin-wallet against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdancer2090%2Frust-bitcoin-wallet" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dancer2090/rust-bitcoin-wallet
[INFO] finished tweaking git repo https://github.com/dancer2090/rust-bitcoin-wallet
[INFO] tweaked toml for git repo https://github.com/dancer2090/rust-bitcoin-wallet written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dancer2090/rust-bitcoin-wallet on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dancer2090/rust-bitcoin-wallet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaf1d5f34df253a4d91f480ac6a57afcd88e22115a595cf22d480608891c088e
[INFO] running `Command { std: "docker" "start" "-a" "aaf1d5f34df253a4d91f480ac6a57afcd88e22115a595cf22d480608891c088e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaf1d5f34df253a4d91f480ac6a57afcd88e22115a595cf22d480608891c088e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf1d5f34df253a4d91f480ac6a57afcd88e22115a595cf22d480608891c088e", kill_on_drop: false }`
[INFO] [stdout] aaf1d5f34df253a4d91f480ac6a57afcd88e22115a595cf22d480608891c088e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb9ab1b3fee2bb98bb26c9ee58010b7fe0420a1a1492e9412dfdb6a9e4b69e45
[INFO] running `Command { std: "docker" "start" "-a" "eb9ab1b3fee2bb98bb26c9ee58010b7fe0420a1a1492e9412dfdb6a9e4b69e45", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitcoin-io v0.1.3
[INFO] [stderr]    Compiling bitcoin-internals v0.3.0
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling hex_lit v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling bitcoin v0.32.5
[INFO] [stderr]     Checking bech32 v0.11.0
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]     Checking hex-conservative v0.2.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking bitcoin_hashes v0.14.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking bitcoin-units v0.1.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]    Compiling secp256k1 v0.8.5
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]    Compiling secp256k1-sys v0.10.1
[INFO] [stderr]     Checking base58ck v0.1.0
[INFO] [stderr]     Checking bip39 v2.1.0
[INFO] [stderr]     Checking secp256k1 v0.29.1
[INFO] [stderr]     Checking wallet-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `public_key` and `address` are never read
[INFO] [stdout]   --> src/wallet.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Wallet {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout]  9 |     pub private_key: String,
[INFO] [stdout] 10 |     pub public_key: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 11 |     pub address: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Wallet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |   let input: String = buffer.trim().parse().unwrap();
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wallet-test` (bin "wallet-test" test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `public_key` and `address` are never read
[INFO] [stdout]   --> src/wallet.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Wallet {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout]  9 |     pub private_key: String,
[INFO] [stdout] 10 |     pub public_key: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 11 |     pub address: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Wallet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |   let input: String = buffer.trim().parse().unwrap();
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wallet-test` (bin "wallet-test") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "eb9ab1b3fee2bb98bb26c9ee58010b7fe0420a1a1492e9412dfdb6a9e4b69e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb9ab1b3fee2bb98bb26c9ee58010b7fe0420a1a1492e9412dfdb6a9e4b69e45", kill_on_drop: false }`
[INFO] [stdout] eb9ab1b3fee2bb98bb26c9ee58010b7fe0420a1a1492e9412dfdb6a9e4b69e45