[INFO] fetching crate compute 0.2.3...
[INFO] checking compute-0.2.3 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] extracting crate compute 0.2.3 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate compute 0.2.3 on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate compute 0.2.3
[INFO] finished tweaking crates.io crate compute 0.2.3
[INFO] tweaked toml for crates.io crate compute 0.2.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate compute 0.2.3 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" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a912bf85b8cf2536f7d90290128e3265d848eca095425273ba609ff508cfaa1
[INFO] running `Command { std: "docker" "start" "-a" "0a912bf85b8cf2536f7d90290128e3265d848eca095425273ba609ff508cfaa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a912bf85b8cf2536f7d90290128e3265d848eca095425273ba609ff508cfaa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a912bf85b8cf2536f7d90290128e3265d848eca095425273ba609ff508cfaa1", kill_on_drop: false }`
[INFO] [stdout] 0a912bf85b8cf2536f7d90290128e3265d848eca095425273ba609ff508cfaa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2759e43ffba235af4b953d91f83341ead8189d6213ccd062fbbf792fd06ee632
[INFO] running `Command { std: "docker" "start" "-a" "2759e43ffba235af4b953d91f83341ead8189d6213ccd062fbbf792fd06ee632", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking approx_eq v0.1.8
[INFO] [stderr]     Checking impl_ops v0.1.1
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking alea v0.2.2
[INFO] [stderr]     Checking reverse v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking compute v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stdout] warning: unused import: `Distribution`
[INFO] [stdout]  --> benches/benchmark_statistics.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use compute::distributions::{Distribution, Normal};
[INFO] [stdout]   |                              ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Distribution`
[INFO] [stdout]  --> benches/benchmark_functions.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 |     distributions::{Distribution, Normal},
[INFO] [stdout]   |                     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sample_n` found for struct `compute::distributions::Normal` in the current scope
[INFO] [stdout]   --> benches/benchmark_statistics.rs:6:35
[INFO] [stdout]    |
[INFO] [stdout] 6  |     let v = Normal::new(0., 100.).sample_n(1e6 as usize);
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/distributions/mod.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn sample_n(&self, n: usize) -> Vector {
[INFO] [stdout]    |        -------- the method is available for `compute::distributions::Normal` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: there is a method `sample` with a similar name, but with different arguments
[INFO] [stdout]   --> /opt/rustwide/workdir/src/distributions/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn sample(&self) -> Self::Output;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: trait `Distribution1D` which provides `sample_n` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 1  + use compute::distributions::Distribution1D;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sample_n` found for struct `compute::distributions::Normal` in the current scope
[INFO] [stdout]   --> benches/benchmark_functions.rs:9:35
[INFO] [stdout]    |
[INFO] [stdout] 9  |     let v = Normal::new(0., 100.).sample_n(1e6 as usize);
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/distributions/mod.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn sample_n(&self, n: usize) -> Vector {
[INFO] [stdout]    |        -------- the method is available for `compute::distributions::Normal` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: there is a method `sample` with a similar name, but with different arguments
[INFO] [stdout]   --> /opt/rustwide/workdir/src/distributions/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn sample(&self) -> Self::Output;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: trait `Distribution1D` which provides `sample_n` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 1  + use compute::distributions::Distribution1D;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sample_n` found for struct `DiscreteUniform` in the current scope
[INFO] [stdout]   --> benches/benchmark_functions.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |       let n: Vec<u64> = DiscreteUniform::new(5, 100)
[INFO] [stdout]    |  _______________________-
[INFO] [stdout] 18 | |         .sample_n(1000)
[INFO] [stdout]    | |_________-^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/distributions/mod.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |       fn sample_n(&self, n: usize) -> Vector {
[INFO] [stdout]    |          -------- the method is available for `DiscreteUniform` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: there is a method `sample` with a similar name, but with different arguments
[INFO] [stdout]   --> /opt/rustwide/workdir/src/distributions/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn sample(&self) -> Self::Output;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: trait `Distribution1D` which provides `sample_n` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 1  + use compute::distributions::Distribution1D;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> benches/benchmark_linalg.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let s = Normal::default().sample();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> benches/benchmark_linalg.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let v = &v1 + &v2;
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> benches/benchmark_linalg.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let v = &v1 - &v2;
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> benches/benchmark_linalg.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |             let v = &v1 * &v2;
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> benches/benchmark_linalg.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let v = &v1 / &v2;
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> benches/benchmark_linalg.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let s = Normal::default().sample();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compute` (bench "benchmark_statistics") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> benches/benchmark_linalg.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut v1 = Normal::default().sample_n(1000);
[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]   --> benches/benchmark_linalg.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut v2 = Normal::default().sample_n(1000);
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compute` (bench "benchmark_functions") due to 3 previous errors; 1 warning emitted
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> src/linalg/decomposition/lu.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let A = vec![
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]    --> src/linalg/utils.rs:710:13
[INFO] [stdout]     |
[INFO] [stdout] 710 |         let A = vec![
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2759e43ffba235af4b953d91f83341ead8189d6213ccd062fbbf792fd06ee632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2759e43ffba235af4b953d91f83341ead8189d6213ccd062fbbf792fd06ee632", kill_on_drop: false }`
[INFO] [stdout] 2759e43ffba235af4b953d91f83341ead8189d6213ccd062fbbf792fd06ee632
