[INFO] fetching crate iota-bundle-preview 0.1.0...
[INFO] checking iota-bundle-preview-0.1.0 against master#8c6ce6b91b172f77c795a74bfeaf74b865146b3f for pr-101345
[INFO] extracting crate iota-bundle-preview 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate iota-bundle-preview 0.1.0 on toolchain 8c6ce6b91b172f77c795a74bfeaf74b865146b3f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iota-bundle-preview 0.1.0
[INFO] finished tweaking crates.io crate iota-bundle-preview 0.1.0
[INFO] tweaked toml for crates.io crate iota-bundle-preview 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iota-pow-preview v0.1.0
[INFO] [stderr]   Downloaded iota-signing-preview v0.1.0
[INFO] [stderr]   Downloaded iota-crypto-preview v0.1.0
[INFO] [stderr]   Downloaded iota-ternary-preview v0.1.0
[INFO] [stderr]   Downloaded tiny-bip39 v0.7.3
[INFO] [stderr]   Downloaded iota-common-preview v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03bdc3c2840e7eced3984cdb631ac69b8f3a6c2aaf8f5ec137a85a06757209b0
[INFO] running `Command { std: "docker" "start" "-a" "03bdc3c2840e7eced3984cdb631ac69b8f3a6c2aaf8f5ec137a85a06757209b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03bdc3c2840e7eced3984cdb631ac69b8f3a6c2aaf8f5ec137a85a06757209b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03bdc3c2840e7eced3984cdb631ac69b8f3a6c2aaf8f5ec137a85a06757209b0", kill_on_drop: false }`
[INFO] [stdout] 03bdc3c2840e7eced3984cdb631ac69b8f3a6c2aaf8f5ec137a85a06757209b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f335373960e0f158cca33fd069dee963ec0ee71faf02237caba8c6d386240e60
[INFO] running `Command { std: "docker" "start" "-a" "f335373960e0f158cca33fd069dee963ec0ee71faf02237caba8c6d386240e60", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking signature v1.6.0
[INFO] [stderr]     Checking cpufeatures v0.2.4
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking ed25519 v1.5.2
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking iota-common-preview v0.1.0
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking iota-ternary-preview v0.1.0
[INFO] [stderr]     Checking iota-crypto-preview v0.1.0
[INFO] [stderr]     Checking iota-pow-preview v0.1.0
[INFO] [stderr]     Checking iota-signing-preview v0.1.0
[INFO] [stderr]     Checking iota-bundle-preview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `byte_start` is never used
[INFO] [stdout]   --> src/constants.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn byte_start(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `byte_length` is never used
[INFO] [stdout]   --> src/constants.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn byte_length(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `default_transaction_builder` is never used
[INFO] [stdout]    --> src/bundle/incoming_bundle_builder.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn default_transaction_builder(index: usize, last_index: usize) -> TransactionBuilder {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `byte_start` is never used
[INFO] [stdout]   --> src/constants.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn byte_start(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `byte_length` is never used
[INFO] [stdout]   --> src/constants.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn byte_length(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.29s
[INFO] running `Command { std: "docker" "inspect" "f335373960e0f158cca33fd069dee963ec0ee71faf02237caba8c6d386240e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f335373960e0f158cca33fd069dee963ec0ee71faf02237caba8c6d386240e60", kill_on_drop: false }`
[INFO] [stdout] f335373960e0f158cca33fd069dee963ec0ee71faf02237caba8c6d386240e60