[INFO] fetching crate numopt 0.2.1... [INFO] checking numopt-0.2.1 against master#2b112efcccf831c0e0fbaa6470047c7067f12801 for pr-150727-1 [INFO] extracting crate numopt 0.2.1 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate numopt 0.2.1 [INFO] finished tweaking crates.io crate numopt 0.2.1 [INFO] tweaked toml for crates.io crate numopt 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate numopt 0.2.1 on toolchain 2b112efcccf831c0e0fbaa6470047c7067f12801 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b112efcccf831c0e0fbaa6470047c7067f12801" "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" "+2b112efcccf831c0e0fbaa6470047c7067f12801" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 44 packages to latest compatible versions [INFO] [stderr] Adding approx v0.3.2 (available: v0.5.1) [INFO] [stderr] Adding ndarray v0.13.1 (available: v0.17.2) [INFO] [stderr] Adding serial_test v0.4.0 (available: v3.3.1) [INFO] [stderr] Adding simple-error v0.2.3 (available: v0.3.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b112efcccf831c0e0fbaa6470047c7067f12801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded redox_syscall v0.1.57 [INFO] [stderr] Downloaded serial_test v0.4.0 [INFO] [stderr] Downloaded simple-error v0.2.3 [INFO] [stderr] Downloaded cfg-if v0.1.10 [INFO] [stderr] Downloaded approx v0.3.2 [INFO] [stderr] Downloaded matrixmultiply v0.2.4 [INFO] [stderr] Downloaded parking_lot v0.10.2 [INFO] [stderr] Downloaded wit-bindgen v0.51.0 [INFO] [stderr] Downloaded wasip2 v1.0.2+wasi-0.2.9 [INFO] [stderr] Downloaded lock_api v0.3.4 [INFO] [stderr] Downloaded cloudabi v0.0.3 [INFO] [stderr] Downloaded maplit v1.0.2 [INFO] [stderr] Downloaded num-complex v0.2.4 [INFO] [stderr] Downloaded bitflags v1.3.2 [INFO] [stderr] Downloaded ndarray v0.13.1 [INFO] [stderr] Downloaded serial_test_derive v0.4.0 [INFO] [stderr] Downloaded parking_lot_core v0.7.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2b112efcccf831c0e0fbaa6470047c7067f12801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7c67c9f2b8ed9065ebf4f0c8daaf7eecdb14b0cc9c0d139b15c550a93d4df75d [INFO] running `Command { std: "docker" "start" "-a" "7c67c9f2b8ed9065ebf4f0c8daaf7eecdb14b0cc9c0d139b15c550a93d4df75d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7c67c9f2b8ed9065ebf4f0c8daaf7eecdb14b0cc9c0d139b15c550a93d4df75d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c67c9f2b8ed9065ebf4f0c8daaf7eecdb14b0cc9c0d139b15c550a93d4df75d", kill_on_drop: false }` [INFO] [stdout] 7c67c9f2b8ed9065ebf4f0c8daaf7eecdb14b0cc9c0d139b15c550a93d4df75d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2b112efcccf831c0e0fbaa6470047c7067f12801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d69e5784b3d24a78fedc60caf13b4c22e9e2b23e2b8279c5a3deb28a81f970f4 [INFO] running `Command { std: "docker" "start" "-a" "d69e5784b3d24a78fedc60caf13b4c22e9e2b23e2b8279c5a3deb28a81f970f4", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling libc v0.2.180 [INFO] [stderr] Compiling proc-macro2 v1.0.105 [INFO] [stderr] Compiling unicode-ident v1.0.22 [INFO] [stderr] Compiling quote v1.0.43 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Compiling rustix v1.1.3 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling getrandom v0.3.4 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Checking cfg-if v1.0.4 [INFO] [stderr] Checking linux-raw-sys v0.11.0 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking bitflags v2.10.0 [INFO] [stderr] Checking matrixmultiply v0.2.4 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking fastrand v2.3.0 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking simple-error v0.2.3 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking parking_lot_core v0.7.3 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking tempfile v3.24.0 [INFO] [stderr] Compiling serial_test_derive v0.4.0 [INFO] [stderr] Checking serial_test v0.4.0 [INFO] [stderr] Checking numopt v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node` instead of cloning the inner type [INFO] [stdout] --> src/model/node_diff.rs:38:78 [INFO] [stdout] | [INFO] [stdout] 38 | let varset: HashSet<&Node> = HashSet::from_iter(vars.iter().map(|x| x.clone())); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node` instead of cloning the inner type [INFO] [stdout] --> src/model/node_diff.rs:101:78 [INFO] [stdout] | [INFO] [stdout] 101 | let varset: HashSet<&Node> = HashSet::from_iter(vars.iter().map(|x| x.clone())); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/matrix/coo.rs:92:17 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn iter(&self) -> CooMatIter { CooMatIter::new(&self) } [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] 92 | pub fn iter(&self) -> CooMatIter<'_, T> { CooMatIter::new(&self) } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node` instead of cloning the inner type [INFO] [stdout] --> src/model/node_diff.rs:38:78 [INFO] [stdout] | [INFO] [stdout] 38 | let varset: HashSet<&Node> = HashSet::from_iter(vars.iter().map(|x| x.clone())); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node` instead of cloning the inner type [INFO] [stdout] --> src/model/node_diff.rs:101:78 [INFO] [stdout] | [INFO] [stdout] 101 | let varset: HashSet<&Node> = HashSet::from_iter(vars.iter().map(|x| x.clone())); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/matrix/coo.rs:92:17 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn iter(&self) -> CooMatIter { CooMatIter::new(&self) } [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] 92 | pub fn iter(&self) -> CooMatIter<'_, T> { CooMatIter::new(&self) } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.27s [INFO] running `Command { std: "docker" "inspect" "d69e5784b3d24a78fedc60caf13b4c22e9e2b23e2b8279c5a3deb28a81f970f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d69e5784b3d24a78fedc60caf13b4c22e9e2b23e2b8279c5a3deb28a81f970f4", kill_on_drop: false }` [INFO] [stdout] d69e5784b3d24a78fedc60caf13b4c22e9e2b23e2b8279c5a3deb28a81f970f4