[INFO] fetching crate iota-bundle-preview 0.1.0...
[INFO] checking iota-bundle-preview-0.1.0 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate iota-bundle-preview 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate iota-bundle-preview 0.1.0 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49f8e5e0a6b49e495128255fb0c82cb098c53103beb7e55dcb656c1b830ad8d1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "49f8e5e0a6b49e495128255fb0c82cb098c53103beb7e55dcb656c1b830ad8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49f8e5e0a6b49e495128255fb0c82cb098c53103beb7e55dcb656c1b830ad8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f8e5e0a6b49e495128255fb0c82cb098c53103beb7e55dcb656c1b830ad8d1", kill_on_drop: false }`
[INFO] [stdout] 49f8e5e0a6b49e495128255fb0c82cb098c53103beb7e55dcb656c1b830ad8d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5acbe45715896352d5100a1b6bb839f598f7b07593c4e86c05a6ade503a9767
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d5acbe45715896352d5100a1b6bb839f598f7b07593c4e86c05a6ade503a9767", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crossbeam 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]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking iota-common-preview v0.1.0
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking serde v1.0.125
[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-signing-preview v0.1.0
[INFO] [stderr]     Checking iota-pow-preview v0.1.0
[INFO] [stderr]     Checking iota-bundle-preview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `byte_start`
[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 is never used: `byte_length`
[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 is never used: `default_transaction_builder`
[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 is never used: `byte_start`
[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 is never used: `byte_length`
[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 57.76s
[INFO] running `Command { std: "docker" "inspect" "d5acbe45715896352d5100a1b6bb839f598f7b07593c4e86c05a6ade503a9767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5acbe45715896352d5100a1b6bb839f598f7b07593c4e86c05a6ade503a9767", kill_on_drop: false }`
[INFO] [stdout] d5acbe45715896352d5100a1b6bb839f598f7b07593c4e86c05a6ade503a9767