[INFO] fetching crate numopt 0.2.1... [INFO] building numopt-0.2.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate numopt 0.2.1 into /workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate numopt 0.2.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 45 packages to latest compatible versions [INFO] [stderr] Adding approx v0.3.2 (available: v0.5.1) [INFO] [stderr] Adding ndarray v0.13.1 (available: v0.16.1) [INFO] [stderr] Adding serial_test v0.4.0 (available: v3.2.0) [INFO] [stderr] Adding simple-error v0.2.3 (available: v0.3.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4789c9066ec0bd70d68f84303edcfa1cd529bd0b834b66bd644641df330f6861 [INFO] running `Command { std: "docker" "start" "-a" "4789c9066ec0bd70d68f84303edcfa1cd529bd0b834b66bd644641df330f6861", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4789c9066ec0bd70d68f84303edcfa1cd529bd0b834b66bd644641df330f6861", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4789c9066ec0bd70d68f84303edcfa1cd529bd0b834b66bd644641df330f6861", kill_on_drop: false }` [INFO] [stdout] 4789c9066ec0bd70d68f84303edcfa1cd529bd0b834b66bd644641df330f6861 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f736270cc3d74798e23fd2739a62848aa371e9645d7e25f9193f4d3cc9cd6c0a [INFO] running `Command { std: "docker" "start" "-a" "f736270cc3d74798e23fd2739a62848aa371e9645d7e25f9193f4d3cc9cd6c0a", kill_on_drop: false }` [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Compiling matrixmultiply v0.2.4 [INFO] [stderr] Compiling simple-error v0.2.3 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling parking_lot_core v0.7.3 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling serial_test_derive v0.4.0 [INFO] [stderr] Compiling parking_lot v0.10.2 [INFO] [stderr] Compiling serial_test v0.4.0 [INFO] [stderr] Compiling numopt v0.2.1 (/opt/rustwide/workdir) [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.47s [INFO] running `Command { std: "docker" "inspect" "f736270cc3d74798e23fd2739a62848aa371e9645d7e25f9193f4d3cc9cd6c0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f736270cc3d74798e23fd2739a62848aa371e9645d7e25f9193f4d3cc9cd6c0a", kill_on_drop: false }` [INFO] [stdout] f736270cc3d74798e23fd2739a62848aa371e9645d7e25f9193f4d3cc9cd6c0a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b0a93d7e784e28ea961c4564dd02f0dc8ff08c772c9cdc3ceaf3c2e069468837 [INFO] running `Command { std: "docker" "start" "-a" "b0a93d7e784e28ea961c4564dd02f0dc8ff08c772c9cdc3ceaf3c2e069468837", kill_on_drop: false }` [INFO] [stderr] Compiling numopt v0.2.1 (/opt/rustwide/workdir) [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] [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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.34s [INFO] running `Command { std: "docker" "inspect" "b0a93d7e784e28ea961c4564dd02f0dc8ff08c772c9cdc3ceaf3c2e069468837", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0a93d7e784e28ea961c4564dd02f0dc8ff08c772c9cdc3ceaf3c2e069468837", kill_on_drop: false }` [INFO] [stdout] b0a93d7e784e28ea961c4564dd02f0dc8ff08c772c9cdc3ceaf3c2e069468837