[INFO] fetching crate algeo 0.1.0...
[INFO] checking algeo-0.1.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate algeo 0.1.0 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate algeo 0.1.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate algeo 0.1.0
[INFO] finished tweaking crates.io crate algeo 0.1.0
[INFO] tweaked toml for crates.io crate algeo 0.1.0 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate crates.io crate algeo 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ad063d5a148032acbf2c057a38ad6e68806f111c565f4b45df60d8cc2683b11
[INFO] running `Command { std: "docker" "start" "-a" "2ad063d5a148032acbf2c057a38ad6e68806f111c565f4b45df60d8cc2683b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ad063d5a148032acbf2c057a38ad6e68806f111c565f4b45df60d8cc2683b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ad063d5a148032acbf2c057a38ad6e68806f111c565f4b45df60d8cc2683b11", kill_on_drop: false }`
[INFO] [stdout] 2ad063d5a148032acbf2c057a38ad6e68806f111c565f4b45df60d8cc2683b11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4958ad010a3a409768a8dd355ca88322b4b7d9b23735e5a37f20f82ed3a7b514
[INFO] running `Command { std: "docker" "start" "-a" "4958ad010a3a409768a8dd355ca88322b4b7d9b23735e5a37f20f82ed3a7b514", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling xops_core v0.1.0
[INFO] [stderr]    Compiling xops_macros v0.1.0
[INFO] [stderr]     Checking xops v0.1.0
[INFO] [stderr]     Checking algeo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/linalg/util.rs:26:64
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn num_to_seq(n: usize, base: usize) -> impl Iterator<Item=(usize)> {
[INFO] [stdout]    |                                                                ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 - pub fn num_to_seq(n: usize, base: usize) -> impl Iterator<Item=(usize)> {
[INFO] [stdout] 26 + pub fn num_to_seq(n: usize, base: usize) -> impl Iterator<Item=usize> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/linalg/util.rs:26:64
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn num_to_seq(n: usize, base: usize) -> impl Iterator<Item=(usize)> {
[INFO] [stdout]    |                                                                ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 - pub fn num_to_seq(n: usize, base: usize) -> impl Iterator<Item=(usize)> {
[INFO] [stdout] 26 + pub fn num_to_seq(n: usize, base: usize) -> impl Iterator<Item=usize> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/linalg/cone.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |             let mut subset_kernel = subset_rref.compute_kernel();
[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: field is never read: `generators`
[INFO] [stdout]   --> src/linalg/cone.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout] 10 |     generators: Vec<Mat<F>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `facets`
[INFO] [stdout]   --> src/linalg/cone.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     facets: Vec<Face<F>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `orth_comp_basis`
[INFO] [stdout]   --> src/linalg/cone.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 12 |     orth_comp_basis: Vec<Mat<F>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ambient_dim`
[INFO] [stdout]   --> src/linalg/cone.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ambient_dim: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dim`
[INFO] [stdout]   --> src/linalg/cone.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     dim: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `normal`
[INFO] [stdout]   --> src/linalg/cone.rs:19:2
[INFO] [stdout]    |
[INFO] [stdout] 19 |     normal: Mat<F>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `generators`
[INFO] [stdout]   --> src/linalg/cone.rs:20:2
[INFO] [stdout]    |
[INFO] [stdout] 20 |     generators: Vec<Mat<F>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/linalg/cone.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |             let mut subset_kernel = subset_rref.compute_kernel();
[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: field is never read: `generators`
[INFO] [stdout]   --> src/linalg/cone.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout] 10 |     generators: Vec<Mat<F>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `facets`
[INFO] [stdout]   --> src/linalg/cone.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     facets: Vec<Face<F>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `orth_comp_basis`
[INFO] [stdout]   --> src/linalg/cone.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 12 |     orth_comp_basis: Vec<Mat<F>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ambient_dim`
[INFO] [stdout]   --> src/linalg/cone.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ambient_dim: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dim`
[INFO] [stdout]   --> src/linalg/cone.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     dim: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `normal`
[INFO] [stdout]   --> src/linalg/cone.rs:19:2
[INFO] [stdout]    |
[INFO] [stdout] 19 |     normal: Mat<F>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `generators`
[INFO] [stdout]   --> src/linalg/cone.rs:20:2
[INFO] [stdout]    |
[INFO] [stdout] 20 |     generators: Vec<Mat<F>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.58s
[INFO] running `Command { std: "docker" "inspect" "4958ad010a3a409768a8dd355ca88322b4b7d9b23735e5a37f20f82ed3a7b514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4958ad010a3a409768a8dd355ca88322b4b7d9b23735e5a37f20f82ed3a7b514", kill_on_drop: false }`
[INFO] [stdout] 4958ad010a3a409768a8dd355ca88322b4b7d9b23735e5a37f20f82ed3a7b514