[INFO] fetching crate gut 0.4.8...
[INFO] checking gut-0.4.8 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate gut 0.4.8 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate gut 0.4.8 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate gut 0.4.8
[INFO] finished tweaking crates.io crate gut 0.4.8
[INFO] tweaked toml for crates.io crate gut 0.4.8 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d0ca34f73068a74c90f803ec97d6b569f1e78085d80993f280055a9d2f3dbb28
[INFO] running `"docker" "start" "-a" "d0ca34f73068a74c90f803ec97d6b569f1e78085d80993f280055a9d2f3dbb28"`
[INFO] [stderr]     Checking reinterpret v0.2.1
[INFO] [stderr]    Compiling gut-derive v0.1.0
[INFO] [stderr]     Checking autodiff v0.1.9
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stderr]     Checking data-buffer v0.8.0
[INFO] [stderr]     Checking gut v0.4.8 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `prelude`
[INFO] [stderr]  --> benches/storage.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use math::{prelude::*, BaseFloat, BaseNum};
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `rayon`
[INFO] [stderr]  --> benches/zip.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^ use of undeclared type or module `rayon`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `par_iter_mut` found for mutable reference `&mut std::vec::Vec<f64>` in the current scope
[INFO] [stderr]    --> benches/zip.rs:203:7
[INFO] [stderr]     |
[INFO] [stderr] 203 |     v.par_iter_mut()
[INFO] [stderr]     |       ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 1   | use rayon::iter::IntoParallelRefMutIterator;
[INFO] [stderr]     |
[INFO] [stderr] help: there is a method with a similar name
[INFO] [stderr]     |
[INFO] [stderr] 203 |     v.iter_mut()
[INFO] [stderr]     |       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `par_iter_mut` found for mutable reference `&mut std::vec::Vec<f64>` in the current scope
[INFO] [stderr]    --> benches/zip.rs:204:17
[INFO] [stderr]     |
[INFO] [stderr] 204 |         .zip(v1.par_iter_mut())
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 1   | use rayon::iter::IntoParallelRefMutIterator;
[INFO] [stderr]     |
[INFO] [stderr] help: there is a method with a similar name
[INFO] [stderr]     |
[INFO] [stderr] 204 |         .zip(v1.iter_mut())
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `par_iter_mut` found for mutable reference `&mut std::vec::Vec<f64>` in the current scope
[INFO] [stderr]    --> benches/zip.rs:205:17
[INFO] [stderr]     |
[INFO] [stderr] 205 |         .zip(v2.par_iter_mut())
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 1   | use rayon::iter::IntoParallelRefMutIterator;
[INFO] [stderr]     |
[INFO] [stderr] help: there is a method with a similar name
[INFO] [stderr]     |
[INFO] [stderr] 205 |         .zip(v2.iter_mut())
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `par_iter_mut` found for mutable reference `&mut std::vec::Vec<f64>` in the current scope
[INFO] [stderr]    --> benches/zip.rs:206:17
[INFO] [stderr]     |
[INFO] [stderr] 206 |         .zip(v3.par_iter_mut())
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 1   | use rayon::iter::IntoParallelRefMutIterator;
[INFO] [stderr]     |
[INFO] [stderr] help: there is a method with a similar name
[INFO] [stderr]     |
[INFO] [stderr] 206 |         .zip(v3.iter_mut())
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `par_iter_mut` found for mutable reference `&mut std::vec::Vec<f64>` in the current scope
[INFO] [stderr]    --> benches/zip.rs:207:17
[INFO] [stderr]     |
[INFO] [stderr] 207 |         .zip(v4.par_iter_mut())
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 1   | use rayon::iter::IntoParallelRefMutIterator;
[INFO] [stderr]     |
[INFO] [stderr] help: there is a method with a similar name
[INFO] [stderr]     |
[INFO] [stderr] 207 |         .zip(v4.iter_mut())
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `par_iter_mut` found for mutable reference `&mut std::vec::Vec<f64>` in the current scope
[INFO] [stderr]    --> benches/zip.rs:208:17
[INFO] [stderr]     |
[INFO] [stderr] 208 |         .zip(v5.par_iter_mut())
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 1   | use rayon::iter::IntoParallelRefMutIterator;
[INFO] [stderr]     |
[INFO] [stderr] help: there is a method with a similar name
[INFO] [stderr]     |
[INFO] [stderr] 208 |         .zip(v5.iter_mut())
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `par_iter_mut` found for mutable reference `&mut std::vec::Vec<f64>` in the current scope
[INFO] [stderr]    --> benches/zip.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |         .zip(v6.par_iter_mut())
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 1   | use rayon::iter::IntoParallelRefMutIterator;
[INFO] [stderr]     |
[INFO] [stderr] help: there is a method with a similar name
[INFO] [stderr]     |
[INFO] [stderr] 209 |         .zip(v6.iter_mut())
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `gut`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d0ca34f73068a74c90f803ec97d6b569f1e78085d80993f280055a9d2f3dbb28"`
[INFO] running `"docker" "rm" "-f" "d0ca34f73068a74c90f803ec97d6b569f1e78085d80993f280055a9d2f3dbb28"`
[INFO] [stdout] d0ca34f73068a74c90f803ec97d6b569f1e78085d80993f280055a9d2f3dbb28