[INFO] fetching crate algeo 0.1.0...
[INFO] checking algeo-0.1.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate algeo 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate algeo 0.1.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-8/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b963616038db35a793158a5cca77d020f191a7a8e989c520dea9af6226fe8712
[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" "b963616038db35a793158a5cca77d020f191a7a8e989c520dea9af6226fe8712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b963616038db35a793158a5cca77d020f191a7a8e989c520dea9af6226fe8712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b963616038db35a793158a5cca77d020f191a7a8e989c520dea9af6226fe8712", kill_on_drop: false }`
[INFO] [stdout] b963616038db35a793158a5cca77d020f191a7a8e989c520dea9af6226fe8712
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da17f2d78ab0ff22cbacdd71b6779c3786f4b7627a069d538ab192f8ddd5ae02
[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" "da17f2d78ab0ff22cbacdd71b6779c3786f4b7627a069d538ab192f8ddd5ae02", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking itertools v0.10.1
[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: 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: 9 warnings emitted
[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 32.24s
[INFO] running `Command { std: "docker" "inspect" "da17f2d78ab0ff22cbacdd71b6779c3786f4b7627a069d538ab192f8ddd5ae02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da17f2d78ab0ff22cbacdd71b6779c3786f4b7627a069d538ab192f8ddd5ae02", kill_on_drop: false }`
[INFO] [stdout] da17f2d78ab0ff22cbacdd71b6779c3786f4b7627a069d538ab192f8ddd5ae02