[INFO] fetching crate iota-bundle-preview 0.1.0...
[INFO] checking iota-bundle-preview-0.1.0 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate iota-bundle-preview 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate iota-bundle-preview 0.1.0 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0f3d8b6e986ad4f3c448f3fc8872fb5dd2e4dd7f80d3661cbe928bedcfc9568c
[INFO] running `Command { std: "docker" "start" "-a" "0f3d8b6e986ad4f3c448f3fc8872fb5dd2e4dd7f80d3661cbe928bedcfc9568c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f3d8b6e986ad4f3c448f3fc8872fb5dd2e4dd7f80d3661cbe928bedcfc9568c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f3d8b6e986ad4f3c448f3fc8872fb5dd2e4dd7f80d3661cbe928bedcfc9568c", kill_on_drop: false }`
[INFO] [stdout] 0f3d8b6e986ad4f3c448f3fc8872fb5dd2e4dd7f80d3661cbe928bedcfc9568c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9d8cadb8ea61cbe4e1124969c210235ef851581bfafdc869e1e5c45f50a5119
[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" "f9d8cadb8ea61cbe4e1124969c210235ef851581bfafdc869e1e5c45f50a5119", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[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 instant v0.1.8
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking tinyvec v1.0.1
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking unicode-normalization v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking iota-common-preview v0.1.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking iota-ternary-preview v0.1.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[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: 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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.13s
[INFO] running `Command { std: "docker" "inspect" "f9d8cadb8ea61cbe4e1124969c210235ef851581bfafdc869e1e5c45f50a5119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d8cadb8ea61cbe4e1124969c210235ef851581bfafdc869e1e5c45f50a5119", kill_on_drop: false }`
[INFO] [stdout] f9d8cadb8ea61cbe4e1124969c210235ef851581bfafdc869e1e5c45f50a5119