[INFO] cloning repository https://github.com/luckychacha/my-rust-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luckychacha/my-rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluckychacha%2Fmy-rust-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluckychacha%2Fmy-rust-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c556f6b68d5d089e3d2e45efda600a2f933e76a7
[INFO] checking luckychacha/my-rust-practice 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%2Fluckychacha%2Fmy-rust-practice" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/luckychacha/my-rust-practice
[INFO] finished tweaking git repo https://github.com/luckychacha/my-rust-practice
[INFO] tweaked toml for git repo https://github.com/luckychacha/my-rust-practice written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/luckychacha/my-rust-practice 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/luckychacha/my-rust-practice 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ae1c04c11d50af41b12e56a1ae35e3e2c6b95975d7e222c616d6f3372c0d607a
[INFO] running `Command { std: "docker" "start" "-a" "ae1c04c11d50af41b12e56a1ae35e3e2c6b95975d7e222c616d6f3372c0d607a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae1c04c11d50af41b12e56a1ae35e3e2c6b95975d7e222c616d6f3372c0d607a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae1c04c11d50af41b12e56a1ae35e3e2c6b95975d7e222c616d6f3372c0d607a", kill_on_drop: false }`
[INFO] [stdout] ae1c04c11d50af41b12e56a1ae35e3e2c6b95975d7e222c616d6f3372c0d607a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3a9c2011d59c16e2f55fc121d234798ed82e48c9fc4a453caf026e9012420edd
[INFO] running `Command { std: "docker" "start" "-a" "3a9c2011d59c16e2f55fc121d234798ed82e48c9fc4a453caf026e9012420edd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking pure-rust-locales v0.8.1
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking arrow-schema v50.0.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling phf_codegen v0.11.2
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[INFO] [stderr]     Checking unicode-normalization v0.1.23
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[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
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[INFO] [stderr]     Checking env_logger v0.11.3
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[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking xz2 v0.1.7
[INFO] [stderr]     Checking ripemd v0.1.3
[INFO] [stderr]     Checking hex-literal v0.4.1
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[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]    Compiling chrono-tz-build v0.2.1
[INFO] [stderr]     Checking bitcoin v0.1.0 (/opt/rustwide/workdir/bitcoin)
[INFO] [stdout] warning: unused import: `pbkdf2::pbkdf2`
[INFO] [stdout]  --> bitcoin/src/mnemonic.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pbkdf2::pbkdf2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pbkdf2::pbkdf2`
[INFO] [stdout]  --> bitcoin/src/mnemonic.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pbkdf2::pbkdf2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 32], Infallible>
[INFO] [stdout]   --> bitcoin/src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let sha256_digest: [u8; 32] = sha256_digest.try_into().expect("Wrong length");
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 20], Infallible>
[INFO] [stdout]   --> bitcoin/src/lib.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let res: [u8; 20] = ripemd160_digest.try_into().expect("Wrong length");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 32], Infallible>
[INFO] [stdout]   --> bitcoin/src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let sha256_digest: [u8; 32] = sha256_digest.try_into().expect("Wrong length");
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 20], Infallible>
[INFO] [stdout]   --> bitcoin/src/lib.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let res: [u8; 20] = ripemd160_digest.try_into().expect("Wrong length");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 20], Infallible>
[INFO] [stdout]   --> bitcoin/src/lib.rs:76:27
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let l: [u8; 20] = hasher.try_into().expect("Wrong length");
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 20], Infallible>
[INFO] [stdout]   --> bitcoin/src/lib.rs:87:27
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let l: [u8; 20] = hasher.try_into().expect("Wrong length");
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitcoin` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `bitcoin` (lib test) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3a9c2011d59c16e2f55fc121d234798ed82e48c9fc4a453caf026e9012420edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9c2011d59c16e2f55fc121d234798ed82e48c9fc4a453caf026e9012420edd", kill_on_drop: false }`
[INFO] [stdout] 3a9c2011d59c16e2f55fc121d234798ed82e48c9fc4a453caf026e9012420edd