[INFO] fetching crate xapphire 0.1.0... [INFO] checking xapphire-0.1.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] extracting crate xapphire 0.1.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate xapphire 0.1.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate xapphire 0.1.0 [INFO] finished tweaking crates.io crate xapphire 0.1.0 [INFO] tweaked toml for crates.io crate xapphire 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a0790b5d99d90ceb3ae42dc66e59de7856ced89c516b1f929c886d923101e28c [INFO] running `Command { std: "docker" "start" "-a" "a0790b5d99d90ceb3ae42dc66e59de7856ced89c516b1f929c886d923101e28c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a0790b5d99d90ceb3ae42dc66e59de7856ced89c516b1f929c886d923101e28c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0790b5d99d90ceb3ae42dc66e59de7856ced89c516b1f929c886d923101e28c", kill_on_drop: false }` [INFO] [stdout] a0790b5d99d90ceb3ae42dc66e59de7856ced89c516b1f929c886d923101e28c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 92db5fb7020c3a49e091c4cc36ae06e6bcea4603dc5a608e4cf6e36c554a3f02 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "92db5fb7020c3a49e091c4cc36ae06e6bcea4603dc5a608e4cf6e36c554a3f02", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.3.1 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking ndarray v0.13.1 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking xapphire v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `num::Float` [INFO] [stdout] --> src/cg.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use num::Float; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `num::Float` [INFO] [stdout] --> src/gs.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use num::Float; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `num::Float` [INFO] [stdout] --> src/jacobi.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use num::Float; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `num::Float` [INFO] [stdout] --> src/ssor.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use num::Float; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `alpha` is never read [INFO] [stdout] --> src/cg.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let mut alpha = 0.; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `alpha` is never read [INFO] [stdout] --> src/cg.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 105 | let mut alpha = 0.; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `num::Float` [INFO] [stdout] --> src/cg.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use num::Float; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `det` [INFO] [stdout] --> src/lu.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn det(a: &mut Array, count_permute: usize) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `permute` [INFO] [stdout] --> src/lu.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn permute(a: &mut Array, p: &mut [usize]) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `num::Float` [INFO] [stdout] --> src/util.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use num::Float; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `num::Float` [INFO] [stdout] --> src/gs.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use num::Float; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `num::Float` [INFO] [stdout] --> src/jacobi.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use num::Float; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `num::Float` [INFO] [stdout] --> src/ssor.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use num::Float; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `alpha` is never read [INFO] [stdout] --> src/cg.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let mut alpha = 0.; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `alpha` is never read [INFO] [stdout] --> src/cg.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 105 | let mut alpha = 0.; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `orig` [INFO] [stdout] --> src/cg.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | let orig = a.clone(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_orig` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `orig` [INFO] [stdout] --> src/cg.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | let orig = a.clone(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_orig` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `orig` [INFO] [stdout] --> src/cg.rs:135:9 [INFO] [stdout] | [INFO] [stdout] 135 | let orig = a.clone(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_orig` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cg.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | let mut a = arr2(&[[4., 1.], [1., 3.]]); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cg.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let mut a = arr2(&[[5., 3., 1.], [3., 4., 2.], [1., 2., 3.]]); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cg.rs:133:9 [INFO] [stdout] | [INFO] [stdout] 133 | let mut a = arr2(&[[5., 3., 1.], [3., 4., 2.], [1., 2., 3.]]); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cg.rs:141:9 [INFO] [stdout] | [INFO] [stdout] 141 | let mut precond = arr2(&[[5., 0., 0.], [0., 4., 0.], [0., 0., 5.]]); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `arr2_eq_tol` [INFO] [stdout] --> src/util.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn arr2_eq_tol(a: &Array, b: &Array, tol: f64) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `det` [INFO] [stdout] --> src/lu.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn det(a: &mut Array, count_permute: usize) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.42s [INFO] running `Command { std: "docker" "inspect" "92db5fb7020c3a49e091c4cc36ae06e6bcea4603dc5a608e4cf6e36c554a3f02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92db5fb7020c3a49e091c4cc36ae06e6bcea4603dc5a608e4cf6e36c554a3f02", kill_on_drop: false }` [INFO] [stdout] 92db5fb7020c3a49e091c4cc36ae06e6bcea4603dc5a608e4cf6e36c554a3f02