[INFO] updating cached repository https://github.com/holmrenser/lzw_kernel
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4df5dc1560b26f6df356b9d071018d5f057c00f7
[INFO] testing holmrenser/lzw_kernel against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fholmrenser%2Flzw_kernel" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/holmrenser/lzw_kernel on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/holmrenser/lzw_kernel
[INFO] finished tweaking git repo https://github.com/holmrenser/lzw_kernel
[INFO] tweaked toml for git repo https://github.com/holmrenser/lzw_kernel written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/holmrenser/lzw_kernel already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 92a629c078b42208136d35bc26bffd4a70046bf8798bc3f44874199351eb27ec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "92a629c078b42208136d35bc26bffd4a70046bf8798bc3f44874199351eb27ec"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling blas-src v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling bio v0.28.2
[INFO] [stderr]    Compiling blas-src v0.3.0
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]    Compiling strum v0.13.0
[INFO] [stderr]    Compiling lapack-src v0.3.0
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling bv v0.10.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling cblas-sys v0.1.4
[INFO] [stderr]    Compiling lapacke-sys v0.1.4
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling itertools-num v0.1.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling statrs v0.9.0
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling strum_macros v0.13.0
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bio-types v0.5.1
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling cauchy v0.2.2
[INFO] [stderr]    Compiling lapacke v0.2.0
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling ndarray-linalg v0.11.1
[INFO] [stderr]    Compiling lzw_kernel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: patterns aren't allowed in functions without bodies
[INFO] [stderr]  --> src/neighbor_joining.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |         mut dist: Array2<f64>,
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(patterns_in_fns_without_body)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/neighbor_joining.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 (scaled_dist - &total_distance[row] - &total_distance[col])
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name1`
[INFO] [stderr]    --> src/neighbor_joining.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let name1 = node_names[node1];
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_name1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name2`
[INFO] [stderr]    --> src/neighbor_joining.rs:133:13
[INFO] [stderr]     |
[INFO] [stderr] 133 |         let name2 = node_names[node2];
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_name2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/neighbor_joining.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let n = dist.shape()[0];
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]   --> src/tree.rs:31:28
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn from_linkage_matrix(l: Array2<f64>) -> Tree<TreeNode> {
[INFO] [stderr]    |                            ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/neighbor_joining.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         mut names: Vec<String>
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dna`
[INFO] [stderr]   --> src/lzw_kernel.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Dna,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DnaN`
[INFO] [stderr]   --> src/lzw_kernel.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     DnaN,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Protein`
[INFO] [stderr]   --> src/lzw_kernel.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Protein,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Test`
[INFO] [stderr]   --> src/lzw_kernel.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Test
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_linkage_matrix`
[INFO] [stderr]   --> src/tree.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn from_linkage_matrix(l: Array2<f64>) -> Tree<TreeNode> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: patterns aren't allowed in functions without bodies
[INFO] [stderr]  --> src/neighbor_joining.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |         mut dist: Array2<f64>,
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(patterns_in_fns_without_body)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/neighbor_joining.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 (scaled_dist - &total_distance[row] - &total_distance[col])
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `neighbor_joining`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     neighbor_joining
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `inv` found for struct `ndarray::ArrayBase<ndarray::OwnedRepr<f64>, ndarray::dimension::dim::Dim<[usize; 2]>>` in the current scope
[INFO] [stderr]   --> src/main.rs:53:23
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let dist = kernel.inv().unwrap();
[INFO] [stderr]    |                       ^^^ method not found in `ndarray::ArrayBase<ndarray::OwnedRepr<f64>, ndarray::dimension::dim::Dim<[usize; 2]>>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ndarray_linalg`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use ndarray_linalg::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `lzw_kernel`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "92a629c078b42208136d35bc26bffd4a70046bf8798bc3f44874199351eb27ec"`
[INFO] running `"docker" "rm" "-f" "92a629c078b42208136d35bc26bffd4a70046bf8798bc3f44874199351eb27ec"`
[INFO] [stdout] 92a629c078b42208136d35bc26bffd4a70046bf8798bc3f44874199351eb27ec