[INFO] fetching crate iota-bundle-preview 0.1.0...
[INFO] checking iota-bundle-preview-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate iota-bundle-preview 0.1.0 into /workspace/builds/worker-2-tc2/source
[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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate iota-bundle-preview 0.1.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 111 packages to latest compatible versions
[INFO] [stderr]       Adding zeroize v1.3.0 (available: v1.8.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8b827163e68d08ebdeb5a9d5b139e7e8b4952a1c6ac34a23d9c70d8becc4309
[INFO] running `Command { std: "docker" "start" "-a" "d8b827163e68d08ebdeb5a9d5b139e7e8b4952a1c6ac34a23d9c70d8becc4309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8b827163e68d08ebdeb5a9d5b139e7e8b4952a1c6ac34a23d9c70d8becc4309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b827163e68d08ebdeb5a9d5b139e7e8b4952a1c6ac34a23d9c70d8becc4309", kill_on_drop: false }`
[INFO] [stdout] d8b827163e68d08ebdeb5a9d5b139e7e8b4952a1c6ac34a23d9c70d8becc4309
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa6b1608631c148f650183b1a7725a0a503bfe5c7b470e827c3e20f9a4e5b802
[INFO] running `Command { std: "docker" "start" "-a" "aa6b1608631c148f650183b1a7725a0a503bfe5c7b470e827c3e20f9a4e5b802", kill_on_drop: false }`
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking tiny-keccak v2.0.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking iota-common-preview v0.1.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking iota-ternary-preview v0.1.0
[INFO] [stderr]     Checking failure v0.1.8
[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 ed25519-dalek v1.0.1
[INFO] [stderr]     Checking iota-signing-preview v0.1.0
[INFO] [stderr]     Checking iota-bundle-preview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `IncomingBundleBuilderStage` is never used
[INFO] [stdout]   --> src/bundle/incoming_bundle_builder.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub trait IncomingBundleBuilderStage {}
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tryte_offset` is never read
[INFO] [stdout]  --> src/constants.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Field {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 7 |     pub trit_offset: Offset,
[INFO] [stdout] 8 |     pub tryte_offset: Offset,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `byte_start` and `byte_length` are never used
[INFO] [stdout]   --> src/constants.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Field {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 12 |     pub fn byte_start(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn byte_length(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<TritBuf, Infallible>
[INFO] [stdout]    --> src/transaction/transaction.rs:202:25
[INFO] [stdout]     |
[INFO] [stdout] 202 |         let value_buf = TritBuf::<T1B1Buf>::try_from(*self.value().to_inner()).unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<TritBuf, Infallible>
[INFO] [stdout]    --> src/transaction/transaction.rs:206:25
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let index_buf = TritBuf::<T1B1Buf>::try_from(*self.index().to_inner() as i64).unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<TritBuf, Infallible>
[INFO] [stdout]    --> src/transaction/transaction.rs:210:30
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let last_index_buf = TritBuf::<T1B1Buf>::try_from(*self.last_index().to_inner() as i64).unwrap();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<TritBuf, Infallible>
[INFO] [stdout]    --> src/transaction/transaction.rs:218:29
[INFO] [stdout]     |
[INFO] [stdout] 218 |         let timestamp_buf = TritBuf::<T1B1Buf>::try_from(*self.timestamp().to_inner() as i64).unwrap();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<TritBuf, Infallible>
[INFO] [stdout]    --> src/transaction/transaction.rs:226:33
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let attachment_ts_buf = TritBuf::<T1B1Buf>::try_from(*self.attachment_ts().to_inner() as i64).unwrap();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<TritBuf, Infallible>
[INFO] [stdout]    --> src/transaction/transaction.rs:234:35
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let attachment_lbts_buf = TritBuf::<T1B1Buf>::try_from(*self.attachment_lbts().to_inner() as i64).unwrap();
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<TritBuf, Infallible>
[INFO] [stdout]    --> src/transaction/transaction.rs:241:35
[INFO] [stdout]     |
[INFO] [stdout] 241 |         let attachment_ubts_buf = TritBuf::<T1B1Buf>::try_from(*self.attachment_ubts().to_inner() as i64).unwrap();
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IncomingBundleBuilderStage` is never used
[INFO] [stdout]   --> src/bundle/incoming_bundle_builder.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub trait IncomingBundleBuilderStage {}
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 
[INFO] [stdout] warning: methods `byte_start` and `byte_length` are never used
[INFO] [stdout]   --> src/constants.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Field {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 12 |     pub fn byte_start(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn byte_length(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<TritBuf, Infallible>
[INFO] [stdout]    --> src/transaction/transaction.rs:202:25
[INFO] [stdout]     |
[INFO] [stdout] 202 |         let value_buf = TritBuf::<T1B1Buf>::try_from(*self.value().to_inner()).unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<TritBuf, Infallible>
[INFO] [stdout]    --> src/transaction/transaction.rs:206:25
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let index_buf = TritBuf::<T1B1Buf>::try_from(*self.index().to_inner() as i64).unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<TritBuf, Infallible>
[INFO] [stdout]    --> src/transaction/transaction.rs:210:30
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let last_index_buf = TritBuf::<T1B1Buf>::try_from(*self.last_index().to_inner() as i64).unwrap();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<TritBuf, Infallible>
[INFO] [stdout]    --> src/transaction/transaction.rs:218:29
[INFO] [stdout]     |
[INFO] [stdout] 218 |         let timestamp_buf = TritBuf::<T1B1Buf>::try_from(*self.timestamp().to_inner() as i64).unwrap();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<TritBuf, Infallible>
[INFO] [stdout]    --> src/transaction/transaction.rs:226:33
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let attachment_ts_buf = TritBuf::<T1B1Buf>::try_from(*self.attachment_ts().to_inner() as i64).unwrap();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<TritBuf, Infallible>
[INFO] [stdout]    --> src/transaction/transaction.rs:234:35
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let attachment_lbts_buf = TritBuf::<T1B1Buf>::try_from(*self.attachment_lbts().to_inner() as i64).unwrap();
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<TritBuf, Infallible>
[INFO] [stdout]    --> src/transaction/transaction.rs:241:35
[INFO] [stdout]     |
[INFO] [stdout] 241 |         let attachment_ubts_buf = TritBuf::<T1B1Buf>::try_from(*self.attachment_ubts().to_inner() as i64).unwrap();
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iota-bundle-preview` (lib) due to 7 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `iota-bundle-preview` (lib test) due to 7 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "aa6b1608631c148f650183b1a7725a0a503bfe5c7b470e827c3e20f9a4e5b802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa6b1608631c148f650183b1a7725a0a503bfe5c7b470e827c3e20f9a4e5b802", kill_on_drop: false }`
[INFO] [stdout] aa6b1608631c148f650183b1a7725a0a503bfe5c7b470e827c3e20f9a4e5b802
