[INFO] fetching crate monacoin 0.27.1-pre...
[INFO] checking monacoin-0.27.1-pre against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate monacoin 0.27.1-pre into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate monacoin 0.27.1-pre on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate monacoin 0.27.1-pre
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate monacoin 0.27.1-pre
[INFO] tweaked toml for crates.io crate monacoin 0.27.1-pre written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate monacoin 0.27.1-pre 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded threefish-cipher v0.4.0
[INFO] [stderr]   Downloaded skein-hash v0.3.1
[INFO] [stderr]   Downloaded core2 v0.3.3
[INFO] [stderr]   Downloaded serde_test v1.0.134
[INFO] [stderr]   Downloaded blake-hash v0.4.1
[INFO] [stderr]   Downloaded lyra2 v0.2.6
[INFO] [stderr]   Downloaded bitcoin_hashes v0.10.0
[INFO] [stderr]   Downloaded groestl v0.9.0
[INFO] [stderr]   Downloaded bitcoinconsensus v0.19.0-3
[INFO] [stderr]   Downloaded scrypt v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebe8e6b5afb755bb076464471a57069c8bc9624daca8977df71993c848a72d47
[INFO] running `Command { std: "docker" "start" "-a" "ebe8e6b5afb755bb076464471a57069c8bc9624daca8977df71993c848a72d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebe8e6b5afb755bb076464471a57069c8bc9624daca8977df71993c848a72d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe8e6b5afb755bb076464471a57069c8bc9624daca8977df71993c848a72d47", kill_on_drop: false }`
[INFO] [stdout] ebe8e6b5afb755bb076464471a57069c8bc9624daca8977df71993c848a72d47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09492f5a9878c4b0b2d3e0c975d333b19d207a8983aeb5dedc6f55fc85be46fa
[INFO] running `Command { std: "docker" "start" "-a" "09492f5a9878c4b0b2d3e0c975d333b19d207a8983aeb5dedc6f55fc85be46fa", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling serde v1.0.134
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling serde_test v1.0.134
[INFO] [stderr]     Checking ryu v1.0.4
[INFO] [stderr]     Checking bech32 v0.8.1
[INFO] [stderr]     Checking bitcoin_hashes v0.10.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking blake-hash v0.4.1
[INFO] [stderr]     Checking groestl v0.9.0
[INFO] [stderr]     Checking scrypt v0.2.0
[INFO] [stderr]     Checking threefish-cipher v0.4.0
[INFO] [stderr]     Checking skein-hash v0.3.1
[INFO] [stderr]     Checking secp256k1 v0.20.3
[INFO] [stderr]     Checking lyra2 v0.2.6
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking monacoin v0.27.1-pre (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `work`
[INFO] [stdout]    --> src/blockdata/block.rs:381:13
[INFO] [stdout]     |
[INFO] [stdout] 381 |         let work = Uint256([0x100010001u64, 0, 0, 0]);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_work`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `work`
[INFO] [stdout]    --> src/blockdata/block.rs:419:13
[INFO] [stdout]     |
[INFO] [stdout] 419 |         let work = Uint256([0x257c3becdacc64u64, 0, 0, 0]);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_work`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.45s
[INFO] running `Command { std: "docker" "inspect" "09492f5a9878c4b0b2d3e0c975d333b19d207a8983aeb5dedc6f55fc85be46fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09492f5a9878c4b0b2d3e0c975d333b19d207a8983aeb5dedc6f55fc85be46fa", kill_on_drop: false }`
[INFO] [stdout] 09492f5a9878c4b0b2d3e0c975d333b19d207a8983aeb5dedc6f55fc85be46fa