[INFO] fetching crate algeo 0.1.0...
[INFO] testing algeo-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate algeo 0.1.0 into /workspace/builds/worker-4-tc2/source
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate algeo 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate algeo 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42798ef667d7f91638b736fc9f595d2747f9ec468ba6b32bd4e1efbf8e3de6a8
[INFO] running `Command { std: "docker" "start" "-a" "42798ef667d7f91638b736fc9f595d2747f9ec468ba6b32bd4e1efbf8e3de6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42798ef667d7f91638b736fc9f595d2747f9ec468ba6b32bd4e1efbf8e3de6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42798ef667d7f91638b736fc9f595d2747f9ec468ba6b32bd4e1efbf8e3de6a8", kill_on_drop: false }`
[INFO] [stdout] 42798ef667d7f91638b736fc9f595d2747f9ec468ba6b32bd4e1efbf8e3de6a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c8b29832056343a70cc1639e7241fd75037c62996cef460ab4e331a717e0b1d
[INFO] running `Command { std: "docker" "start" "-a" "2c8b29832056343a70cc1639e7241fd75037c62996cef460ab4e331a717e0b1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling 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]    Compiling xops v0.1.0
[INFO] [stderr]    Compiling algeo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/linalg/util.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     (0..rows).map(move |r| ((0..cols).map(move |c| (r,c) ) ) ).flatten()
[INFO] [stdout]    |                            ^                              ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 12 -     (0..rows).map(move |r| ((0..cols).map(move |c| (r,c) ) ) ).flatten()
[INFO] [stdout] 12 +     (0..rows).map(move |r| (0..cols).map(move |c| (r,c) )  ).flatten()
[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] 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `generators`, `facets`, `orth_comp_basis`, `ambient_dim`, and `dim` are never read
[INFO] [stdout]   --> src/linalg/cone.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Cone<F: Field> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 10 |     generators: Vec<Mat<F>>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 11 |     facets: Vec<Face<F>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     orth_comp_basis: Vec<Mat<F>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |
[INFO] [stdout] 14 |     ambient_dim: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 15 |     dim: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `normal` and `generators` are never read
[INFO] [stdout]   --> src/linalg/cone.rs:19:2
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Face<F: Field> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 19 |     normal: Mat<F>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 20 |     generators: Vec<Mat<F>>
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linalg/algorithm.rs:233:21
[INFO] [stdout]     |
[INFO] [stdout] 233 |     pub fn row_echelon(&self) -> RowEchelonForm<F> {
[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] 233 |     pub fn row_echelon(&self) -> RowEchelonForm<'_, F> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.62s
[INFO] running `Command { std: "docker" "inspect" "2c8b29832056343a70cc1639e7241fd75037c62996cef460ab4e331a717e0b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c8b29832056343a70cc1639e7241fd75037c62996cef460ab4e331a717e0b1d", kill_on_drop: false }`
[INFO] [stdout] 2c8b29832056343a70cc1639e7241fd75037c62996cef460ab4e331a717e0b1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 230df5b2693bce25c0c4d719fb237d7eb3498ba1f716cf2e746f25f46fbb0080
[INFO] running `Command { std: "docker" "start" "-a" "230df5b2693bce25c0c4d719fb237d7eb3498ba1f716cf2e746f25f46fbb0080", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/linalg/util.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     (0..rows).map(move |r| ((0..cols).map(move |c| (r,c) ) ) ).flatten()
[INFO] [stdout]    |                            ^                              ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 12 -     (0..rows).map(move |r| ((0..cols).map(move |c| (r,c) ) ) ).flatten()
[INFO] [stdout] 12 +     (0..rows).map(move |r| (0..cols).map(move |c| (r,c) )  ).flatten()
[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] 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `generators`, `facets`, `orth_comp_basis`, `ambient_dim`, and `dim` are never read
[INFO] [stdout]   --> src/linalg/cone.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Cone<F: Field> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 10 |     generators: Vec<Mat<F>>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 11 |     facets: Vec<Face<F>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     orth_comp_basis: Vec<Mat<F>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |
[INFO] [stdout] 14 |     ambient_dim: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 15 |     dim: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `normal` and `generators` are never read
[INFO] [stdout]   --> src/linalg/cone.rs:19:2
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Face<F: Field> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 19 |     normal: Mat<F>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 20 |     generators: Vec<Mat<F>>
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linalg/algorithm.rs:233:21
[INFO] [stdout]     |
[INFO] [stdout] 233 |     pub fn row_echelon(&self) -> RowEchelonForm<F> {
[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] 233 |     pub fn row_echelon(&self) -> RowEchelonForm<'_, F> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling algeo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/linalg/util.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     (0..rows).map(move |r| ((0..cols).map(move |c| (r,c) ) ) ).flatten()
[INFO] [stdout]    |                            ^                              ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 12 -     (0..rows).map(move |r| ((0..cols).map(move |c| (r,c) ) ) ).flatten()
[INFO] [stdout] 12 +     (0..rows).map(move |r| (0..cols).map(move |c| (r,c) )  ).flatten()
[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] 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `generators`, `facets`, `orth_comp_basis`, `ambient_dim`, and `dim` are never read
[INFO] [stdout]   --> src/linalg/cone.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Cone<F: Field> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 10 |     generators: Vec<Mat<F>>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 11 |     facets: Vec<Face<F>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     orth_comp_basis: Vec<Mat<F>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |
[INFO] [stdout] 14 |     ambient_dim: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 15 |     dim: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `normal` and `generators` are never read
[INFO] [stdout]   --> src/linalg/cone.rs:19:2
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Face<F: Field> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 19 |     normal: Mat<F>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 20 |     generators: Vec<Mat<F>>
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linalg/algorithm.rs:233:21
[INFO] [stdout]     |
[INFO] [stdout] 233 |     pub fn row_echelon(&self) -> RowEchelonForm<F> {
[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] 233 |     pub fn row_echelon(&self) -> RowEchelonForm<'_, F> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "230df5b2693bce25c0c4d719fb237d7eb3498ba1f716cf2e746f25f46fbb0080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "230df5b2693bce25c0c4d719fb237d7eb3498ba1f716cf2e746f25f46fbb0080", kill_on_drop: false }`
[INFO] [stdout] 230df5b2693bce25c0c4d719fb237d7eb3498ba1f716cf2e746f25f46fbb0080
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9aae3251c425cfada722c4150f7511f29c4767bec47028b064f09fbd6e0d8b56
[INFO] running `Command { std: "docker" "start" "-a" "9aae3251c425cfada722c4150f7511f29c4767bec47028b064f09fbd6e0d8b56", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/linalg/util.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |     (0..rows).map(move |r| ((0..cols).map(move |c| (r,c) ) ) ).flatten()
[INFO] [stderr]    |                            ^                              ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 12 -     (0..rows).map(move |r| ((0..cols).map(move |c| (r,c) ) ) ).flatten()
[INFO] [stderr] 12 +     (0..rows).map(move |r| (0..cols).map(move |c| (r,c) )  ).flatten()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/linalg/util.rs:26:64
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn num_to_seq(n: usize, base: usize) -> impl Iterator<Item=(usize)> {
[INFO] [stderr]    |                                                                ^     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 26 - pub fn num_to_seq(n: usize, base: usize) -> impl Iterator<Item=(usize)> {
[INFO] [stderr] 26 + pub fn num_to_seq(n: usize, base: usize) -> impl Iterator<Item=usize > {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/linalg/cone.rs:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 |             let mut subset_kernel = subset_rref.compute_kernel();
[INFO] [stderr]    |                 ----^^^^^^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `generators`, `facets`, `orth_comp_basis`, `ambient_dim`, and `dim` are never read
[INFO] [stderr]   --> src/linalg/cone.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub struct Cone<F: Field> {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] 10 |     generators: Vec<Mat<F>>,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 11 |     facets: Vec<Face<F>>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 12 |     orth_comp_basis: Vec<Mat<F>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 13 |
[INFO] [stderr] 14 |     ambient_dim: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 15 |     dim: usize,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `normal` and `generators` are never read
[INFO] [stderr]   --> src/linalg/cone.rs:19:2
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Face<F: Field> {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] 19 |     normal: Mat<F>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 20 |     generators: Vec<Mat<F>>
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/linalg/algorithm.rs:233:21
[INFO] [stderr]     |
[INFO] [stderr] 233 |     pub fn row_echelon(&self) -> RowEchelonForm<F> {
[INFO] [stderr]     |                        ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 233 |     pub fn row_echelon(&self) -> RowEchelonForm<'_, F> {
[INFO] [stderr]     |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: `algeo` (lib) generated 6 warnings (run `cargo fix --lib -p algeo` to apply 4 suggestions)
[INFO] [stderr] warning: `algeo` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/algeo-a3fc44faae2e24b1)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test core::frac::tests::test_frac ... ok
[INFO] [stdout] test core::frac::tests::test_gcd ... ok
[INFO] [stdout] test linalg::mat::tests::test_matrix_fmt_display ... ok
[INFO] [stdout] test linalg::mat::tests::test_matrix_constructions ... ok
[INFO] [stdout] test linalg::mat::tests::test_matrix_operations_fractions ... ok
[INFO] [stdout] test poly::poly::tests::test_mdeg ... ok
[INFO] [stdout] test linalg::mat::tests::test_matrix_operations ... ok
[INFO] [stdout] test poly::poly::tests::test_poly ... ok
[INFO] [stdout] test poly::poly::tests::test_term ... ok
[INFO] [stdout] test linalg::algorithm::tests::test_rref ... ok
[INFO] [stdout] test linalg::algorithm::tests::test_lu ... ok
[INFO] [stdout] test linalg::algorithm::tests::test_row_echelon ... ok
[INFO] [stdout] test linalg::algorithm::tests::test_compute_kernel ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 52.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/algeo-d3a3d022ebadb068)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests algeo
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/linalg/util.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |     (0..rows).map(move |r| ((0..cols).map(move |c| (r,c) ) ) ).flatten()
[INFO] [stderr]    |                            ^                              ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 12 -     (0..rows).map(move |r| ((0..cols).map(move |c| (r,c) ) ) ).flatten()
[INFO] [stderr] 12 +     (0..rows).map(move |r| (0..cols).map(move |c| (r,c) )  ).flatten()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/linalg/util.rs:26:64
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn num_to_seq(n: usize, base: usize) -> impl Iterator<Item=(usize)> {
[INFO] [stderr]    |                                                                ^     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 26 - pub fn num_to_seq(n: usize, base: usize) -> impl Iterator<Item=(usize)> {
[INFO] [stderr] 26 + pub fn num_to_seq(n: usize, base: usize) -> impl Iterator<Item=usize > {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/poly/poly.rs - poly::poly::Term<F>::from_coef_mdeg (line 122) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9aae3251c425cfada722c4150f7511f29c4767bec47028b064f09fbd6e0d8b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aae3251c425cfada722c4150f7511f29c4767bec47028b064f09fbd6e0d8b56", kill_on_drop: false }`
[INFO] [stdout] 9aae3251c425cfada722c4150f7511f29c4767bec47028b064f09fbd6e0d8b56
