[INFO] fetching crate iota-bundle-preview 0.1.0...
[INFO] testing iota-bundle-preview-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate iota-bundle-preview 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate iota-bundle-preview 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] b91d2bcd52016f583f043cc9948cf0e4683ad8cabf95e957e8a04ce0235179b1
[INFO] running `Command { std: "docker" "start" "-a" "b91d2bcd52016f583f043cc9948cf0e4683ad8cabf95e957e8a04ce0235179b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b91d2bcd52016f583f043cc9948cf0e4683ad8cabf95e957e8a04ce0235179b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b91d2bcd52016f583f043cc9948cf0e4683ad8cabf95e957e8a04ce0235179b1", kill_on_drop: false }`
[INFO] [stdout] b91d2bcd52016f583f043cc9948cf0e4683ad8cabf95e957e8a04ce0235179b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d3d484cdfa797569847ee8131e44aa6c8a1785da98d7bec28e7ea46e5914c9a
[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" "1d3d484cdfa797569847ee8131e44aa6c8a1785da98d7bec28e7ea46e5914c9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling ed25519 v1.0.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling pbkdf2 v0.3.0
[INFO] [stderr]    Compiling sha2 v0.9.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling iota-common-preview v0.1.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling zeroize v1.2.0
[INFO] [stderr]    Compiling curve25519-dalek v3.0.0
[INFO] [stderr]    Compiling tiny-bip39 v0.7.3
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling iota-ternary-preview v0.1.0
[INFO] [stderr]    Compiling iota-crypto-preview v0.1.0
[INFO] [stderr]    Compiling iota-pow-preview v0.1.0
[INFO] [stderr]    Compiling iota-signing-preview v0.1.0
[INFO] [stderr]    Compiling 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.06s
[INFO] running `Command { std: "docker" "inspect" "1d3d484cdfa797569847ee8131e44aa6c8a1785da98d7bec28e7ea46e5914c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d3d484cdfa797569847ee8131e44aa6c8a1785da98d7bec28e7ea46e5914c9a", kill_on_drop: false }`
[INFO] [stdout] 1d3d484cdfa797569847ee8131e44aa6c8a1785da98d7bec28e7ea46e5914c9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d62953d081fba9fa01aa48de9a7ca17249c9c07e9c7960453f6beae5a5749c93
[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" "d62953d081fba9fa01aa48de9a7ca17249c9c07e9c7960453f6beae5a5749c93", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 test [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `Command { std: "docker" "inspect" "d62953d081fba9fa01aa48de9a7ca17249c9c07e9c7960453f6beae5a5749c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d62953d081fba9fa01aa48de9a7ca17249c9c07e9c7960453f6beae5a5749c93", kill_on_drop: false }`
[INFO] [stdout] d62953d081fba9fa01aa48de9a7ca17249c9c07e9c7960453f6beae5a5749c93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 95ecb72d864d7b596f72757cfbdded036a3766416ea28073ed9340f493ee438b
[INFO] running `Command { std: "docker" "start" "-a" "95ecb72d864d7b596f72757cfbdded036a3766416ea28073ed9340f493ee438b", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `byte_start`
[INFO] [stderr]   --> src/constants.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn byte_start(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `byte_length`
[INFO] [stderr]   --> src/constants.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn byte_length(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `default_transaction_builder`
[INFO] [stderr]    --> src/bundle/incoming_bundle_builder.rs:190:8
[INFO] [stderr]     |
[INFO] [stderr] 190 |     fn default_transaction_builder(index: usize, last_index: usize) -> TransactionBuilder {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `byte_start`
[INFO] [stderr]   --> src/constants.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn byte_start(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `byte_length`
[INFO] [stderr]   --> src/constants.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn byte_length(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iota_bundle_preview-db552a581ecb8298
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test constants::tests::add_up_to_transaction_trit_length ... ok
[INFO] [stdout] test transaction::builder::tests::create_transaction_from_builder ... ok
[INFO] [stdout] test constants::tests::add_up_to_transaction_tryte_length ... ok
[INFO] [stdout] test transaction::fields::tests::hash_weigth ... ok
[INFO] [stdout] test transaction::builder::tests::test_from_and_into_trits ... ok
[INFO] [stdout] test bundle::outgoing_bundle_builder::tests::outgoing_bundle_builder_data_test ... ok
[INFO] [stderr]    Doc-tests iota-bundle-preview
[INFO] [stdout] test bundle::outgoing_bundle_builder::tests::outgoing_bundle_builder_value_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "95ecb72d864d7b596f72757cfbdded036a3766416ea28073ed9340f493ee438b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ecb72d864d7b596f72757cfbdded036a3766416ea28073ed9340f493ee438b", kill_on_drop: false }`
[INFO] [stdout] 95ecb72d864d7b596f72757cfbdded036a3766416ea28073ed9340f493ee438b