[INFO] fetching crate packs 0.2.0...
[INFO] checking packs-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate packs 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate packs 0.2.0
[INFO] finished tweaking crates.io crate packs 0.2.0
[INFO] tweaked toml for crates.io crate packs 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate packs 0.2.0 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 8 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cd5e79316ac78cb85f67936879986d5f8847bad944a5c513468c5696e0a56d0e
[INFO] running `Command { std: "docker" "start" "-a" "cd5e79316ac78cb85f67936879986d5f8847bad944a5c513468c5696e0a56d0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd5e79316ac78cb85f67936879986d5f8847bad944a5c513468c5696e0a56d0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd5e79316ac78cb85f67936879986d5f8847bad944a5c513468c5696e0a56d0e", kill_on_drop: false }`
[INFO] [stdout] cd5e79316ac78cb85f67936879986d5f8847bad944a5c513468c5696e0a56d0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1bb3c7ed51a54df795a1e7aabf631bab49509155e17c600cabf992fbf9445267
[INFO] running `Command { std: "docker" "start" "-a" "1bb3c7ed51a54df795a1e7aabf631bab49509155e17c600cabf992fbf9445267", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling packs-proc v0.2.0
[INFO] [stderr]     Checking packs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/value/dictionary.rs:78:23
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn properties(&self) -> Iter<String, Value<T>> {
[INFO] [stdout]    |                       ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn properties(&self) -> Iter<'_, String, Value<T>> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/value/dictionary.rs:82:27
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn properties_mut(&mut self) -> IterMut<String, Value<T>> {
[INFO] [stdout]    |                           ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn properties_mut(&mut self) -> IterMut<'_, String, Value<T>> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/value/dictionary.rs:86:18
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn entry(&mut self, key: String) -> Entry<String, Value<T>> {
[INFO] [stdout]    |                  ^^^^^^^^^                  ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn entry(&mut self, key: String) -> Entry<'_, String, Value<T>> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/ll/types/lengths.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     TryFrom::try_from(buf[0]).or(Err(DecodeError::CannotReadSizeInfo))
[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<usize, Infallible>
[INFO] [stdout]   --> src/ll/types/lengths.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     TryFrom::try_from(u16::from_be_bytes(buf)).or(Err(DecodeError::CannotReadSizeInfo))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `packs` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `packs` (lib test) due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/value/dictionary.rs:78:23
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn properties(&self) -> Iter<String, Value<T>> {
[INFO] [stdout]    |                       ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn properties(&self) -> Iter<'_, String, Value<T>> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/value/dictionary.rs:82:27
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn properties_mut(&mut self) -> IterMut<String, Value<T>> {
[INFO] [stdout]    |                           ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn properties_mut(&mut self) -> IterMut<'_, String, Value<T>> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/value/dictionary.rs:86:18
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn entry(&mut self, key: String) -> Entry<String, Value<T>> {
[INFO] [stdout]    |                  ^^^^^^^^^                  ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn entry(&mut self, key: String) -> Entry<'_, String, Value<T>> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/ll/types/lengths.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     TryFrom::try_from(buf[0]).or(Err(DecodeError::CannotReadSizeInfo))
[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<usize, Infallible>
[INFO] [stdout]   --> src/ll/types/lengths.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     TryFrom::try_from(u16::from_be_bytes(buf)).or(Err(DecodeError::CannotReadSizeInfo))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1bb3c7ed51a54df795a1e7aabf631bab49509155e17c600cabf992fbf9445267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bb3c7ed51a54df795a1e7aabf631bab49509155e17c600cabf992fbf9445267", kill_on_drop: false }`
[INFO] [stdout] 1bb3c7ed51a54df795a1e7aabf631bab49509155e17c600cabf992fbf9445267
