[INFO] fetching crate lambdas 0.1.0...
[INFO] checking lambdas-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate lambdas 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate lambdas 0.1.0
[INFO] finished tweaking crates.io crate lambdas 0.1.0
[INFO] tweaked toml for crates.io crate lambdas 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lambdas 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 32 packages to latest compatible versions
[INFO] [stderr]       Adding egg v0.7.1 (available: v0.10.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0d66e2a27838d167b19a4fd7067d386b46b3672ee62049a9cb9255caa2c9412c
[INFO] running `Command { std: "docker" "start" "-a" "0d66e2a27838d167b19a4fd7067d386b46b3672ee62049a9cb9255caa2c9412c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d66e2a27838d167b19a4fd7067d386b46b3672ee62049a9cb9255caa2c9412c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d66e2a27838d167b19a4fd7067d386b46b3672ee62049a9cb9255caa2c9412c", kill_on_drop: false }`
[INFO] [stdout] 0d66e2a27838d167b19a4fd7067d386b46b3672ee62049a9cb9255caa2c9412c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 475a09233fa005913f5d7a05adf1c18956c2d0b4a2d57d8253ed4fd320b04e8c
[INFO] running `Command { std: "docker" "start" "-a" "475a09233fa005913f5d7a05adf1c18956c2d0b4a2d57d8253ed4fd320b04e8c", kill_on_drop: false }`
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking symbolic_expressions v5.0.3
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking sexp v1.1.4
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking vectorize v0.2.0
[INFO] [stderr]     Checking egg v0.7.1
[INFO] [stderr]     Checking lambdas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/eval.rs:78:30
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn as_eval<D:Domain>(&self, timelimit: Option<Duration>) -> Evaluator<D> {
[INFO] [stdout]    |                              ^^^^^ the lifetime is elided here      ^^^^^^^^^^^^ the same lifetime is hidden 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 as_eval<D:Domain>(&self, timelimit: Option<Duration>) -> Evaluator<'_, D> {
[INFO] [stdout]    |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/types.rs:447:24
[INFO] [stdout]     |
[INFO] [stdout] 447 |     pub fn iter_arrows(&self) -> ArrowIter {
[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] 447 |     pub fn iter_arrows(&self) -> ArrowIter<'_> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/domains/prim_lists.rs:139:29
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let s: String = p.as_str().parse().ok()?;
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lambdas` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/eval.rs:78:30
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn as_eval<D:Domain>(&self, timelimit: Option<Duration>) -> Evaluator<D> {
[INFO] [stdout]    |                              ^^^^^ the lifetime is elided here      ^^^^^^^^^^^^ the same lifetime is hidden 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 as_eval<D:Domain>(&self, timelimit: Option<Duration>) -> Evaluator<'_, D> {
[INFO] [stdout]    |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/types.rs:447:24
[INFO] [stdout]     |
[INFO] [stdout] 447 |     pub fn iter_arrows(&self) -> ArrowIter {
[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] 447 |     pub fn iter_arrows(&self) -> ArrowIter<'_> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/domains/prim_lists.rs:139:29
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let s: String = p.as_str().parse().ok()?;
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lambdas` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "475a09233fa005913f5d7a05adf1c18956c2d0b4a2d57d8253ed4fd320b04e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475a09233fa005913f5d7a05adf1c18956c2d0b4a2d57d8253ed4fd320b04e8c", kill_on_drop: false }`
[INFO] [stdout] 475a09233fa005913f5d7a05adf1c18956c2d0b4a2d57d8253ed4fd320b04e8c
