[INFO] fetching crate sapio-front 0.2.0...
[INFO] checking sapio-front-0.2.0 against try#77ee4623672f6bca3e33ba60b6479de48d44b1f9 for pr-99217
[INFO] extracting crate sapio-front 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sapio-front 0.2.0 on toolchain 77ee4623672f6bca3e33ba60b6479de48d44b1f9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sapio-front 0.2.0
[INFO] finished tweaking crates.io crate sapio-front 0.2.0
[INFO] tweaked toml for crates.io crate sapio-front 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f04a0f96f938f31de29971778f886114055059184bb1f3ac5921febbd9c1e8bb
[INFO] running `Command { std: "docker" "start" "-a" "f04a0f96f938f31de29971778f886114055059184bb1f3ac5921febbd9c1e8bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f04a0f96f938f31de29971778f886114055059184bb1f3ac5921febbd9c1e8bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04a0f96f938f31de29971778f886114055059184bb1f3ac5921febbd9c1e8bb", kill_on_drop: false }`
[INFO] [stdout] f04a0f96f938f31de29971778f886114055059184bb1f3ac5921febbd9c1e8bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2ab6247d8a47493c9e8eebc8d4a2d47d3e170e87305e27f1a14c430cb3d07b8
[INFO] running `Command { std: "docker" "start" "-a" "c2ab6247d8a47493c9e8eebc8d4a2d47d3e170e87305e27f1a14c430cb3d07b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling schemars v0.8.10
[INFO] [stderr]     Checking dyn-clone v1.0.8
[INFO] [stderr]     Checking bech32 v0.7.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling serde_derive_internals v0.26.0
[INFO] [stderr]    Compiling schemars_derive v0.8.10
[INFO] [stderr]    Compiling sapio_macros v0.2.2
[INFO] [stderr]     Checking bitcoin_hashes v0.9.7
[INFO] [stderr]     Checking sapio-secp256k1 v0.20.1
[INFO] [stderr]     Checking sapio-bitcoin v0.26.0
[INFO] [stderr]     Checking sapio-miniscript v5.1.1
[INFO] [stderr]     Checking sapio-base v0.2.0
[INFO] [stderr]     Checking sapio-ctv-emulator-trait v0.2.0
[INFO] [stderr]     Checking sapio v0.2.0
[INFO] [stderr]     Checking sapio-front v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `contracts` and `example_msg` are never read
[INFO] [stdout]    --> src/session.rs:284:5
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub struct Session {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 284 |     contracts: HashMap<Key, Compiled>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 285 |     example_msg: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `contracts` and `example_msg` are never read
[INFO] [stdout]    --> src/session.rs:284:5
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub struct Session {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 284 |     contracts: HashMap<Key, Compiled>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 285 |     example_msg: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.01s
[INFO] running `Command { std: "docker" "inspect" "c2ab6247d8a47493c9e8eebc8d4a2d47d3e170e87305e27f1a14c430cb3d07b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ab6247d8a47493c9e8eebc8d4a2d47d3e170e87305e27f1a14c430cb3d07b8", kill_on_drop: false }`
[INFO] [stdout] c2ab6247d8a47493c9e8eebc8d4a2d47d3e170e87305e27f1a14c430cb3d07b8