[INFO] fetching crate bitcoin-rpc 0.2.0...
[INFO] checking bitcoin-rpc-0.2.0 against master#b359ccf1b0b7b2d2c1c4932344b806e68bd053a9 for pr-105483
[INFO] extracting crate bitcoin-rpc 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate bitcoin-rpc 0.2.0 on toolchain b359ccf1b0b7b2d2c1c4932344b806e68bd053a9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoin-rpc 0.2.0
[INFO] finished tweaking crates.io crate bitcoin-rpc 0.2.0
[INFO] tweaked toml for crates.io crate bitcoin-rpc 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper v0.9.18
[INFO] [stderr]   Downloaded cookie v0.2.5
[INFO] [stderr]   Downloaded solicit v0.4.4
[INFO] [stderr]   Downloaded hpack v0.2.0
[INFO] [stderr]   Downloaded strason v0.4.0
[INFO] [stderr]   Downloaded traitobject v0.0.1
[INFO] [stderr]   Downloaded secp256k1 v0.9.2
[INFO] [stderr]   Downloaded strason v0.3.4
[INFO] [stderr]   Downloaded bech32 v0.3.2
[INFO] [stderr]   Downloaded bitcoin-bech32 v0.5.1
[INFO] [stderr]   Downloaded jsonrpc v0.9.1
[INFO] [stderr]   Downloaded bitcoin-rpc-json v0.2.0
[INFO] [stderr]   Downloaded bitcoin v0.13.2
[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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d288cbbb368e7b280373818e6e0d609dd9de9c8a954ec0cfbcbd6340b8fa46c4
[INFO] running `Command { std: "docker" "start" "-a" "d288cbbb368e7b280373818e6e0d609dd9de9c8a954ec0cfbcbd6340b8fa46c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d288cbbb368e7b280373818e6e0d609dd9de9c8a954ec0cfbcbd6340b8fa46c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d288cbbb368e7b280373818e6e0d609dd9de9c8a954ec0cfbcbd6340b8fa46c4", kill_on_drop: false }`
[INFO] [stdout] d288cbbb368e7b280373818e6e0d609dd9de9c8a954ec0cfbcbd6340b8fa46c4
[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" "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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e4cd08af4f810459bbe80661a4f1e765403288f8c5de07ce38974c58c801d12
[INFO] running `Command { std: "docker" "start" "-a" "9e4cd08af4f810459bbe80661a4f1e765403288f8c5de07ce38974c58c801d12", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.149
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling secp256k1 v0.9.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking serde v0.6.15
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking num_cpus v1.14.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking bech32 v0.3.2
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking bitcoin-bech32 v0.5.1
[INFO] [stderr]     Checking hyper v0.9.18
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking strason v0.3.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking strason v0.4.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking bitcoin v0.13.2
[INFO] [stderr]     Checking jsonrpc v0.9.1
[INFO] [stderr]     Checking bitcoin-rpc-json v0.2.0
[INFO] [stderr]     Checking bitcoin-rpc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `kind` is never read
[INFO] [stdout]    --> src/lib.rs:234:5
[INFO] [stdout]     |
[INFO] [stdout] 233 | pub struct Error {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 234 |     kind: failure::Context<ErrorKind>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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: field `kind` is never read
[INFO] [stdout]    --> src/lib.rs:234:5
[INFO] [stdout]     |
[INFO] [stdout] 233 | pub struct Error {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 234 |     kind: failure::Context<ErrorKind>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.72s
[INFO] running `Command { std: "docker" "inspect" "9e4cd08af4f810459bbe80661a4f1e765403288f8c5de07ce38974c58c801d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e4cd08af4f810459bbe80661a4f1e765403288f8c5de07ce38974c58c801d12", kill_on_drop: false }`
[INFO] [stdout] 9e4cd08af4f810459bbe80661a4f1e765403288f8c5de07ce38974c58c801d12