[INFO] cloning repository https://github.com/dikuchan/compmath-labs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dikuchan/compmath-labs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdikuchan%2Fcompmath-labs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdikuchan%2Fcompmath-labs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ff0cf592aefeb384807ec83dca910a29182cb1a
[INFO] checking dikuchan/compmath-labs against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdikuchan%2Fcompmath-labs" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dikuchan/compmath-labs on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dikuchan/compmath-labs
[INFO] finished tweaking git repo https://github.com/dikuchan/compmath-labs
[INFO] tweaked toml for git repo https://github.com/dikuchan/compmath-labs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 33850798b5c8fa92215726498195040333a7357295572ebcdf010e9dc38d7ea3
[INFO] running `"docker" "start" "-a" "33850798b5c8fa92215726498195040333a7357295572ebcdf010e9dc38d7ea3"`
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking alga v0.9.1
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking compmath v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/decomposition.rs:59:67
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn decompose(mut matrix: DMatrix<f64>) -> Result<LUP, Box<Error>> {
[INFO] [stderr]    |                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/matrix.rs:22:56
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn read(path: PathBuf) -> Result<DMatrix<f64>, Box<Error>> {
[INFO] [stderr]    |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/matrix.rs:73:105
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn jacobi(matrix: &DMatrix<f64>, b: &DMatrix<f64>, epsilon: f64) -> Result<(DMatrix<f64>, i32), Box<Error>> {
[INFO] [stderr]    |                                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matrix.rs:100:105
[INFO] [stderr]     |
[INFO] [stderr] 100 | pub fn seidel(matrix: &DMatrix<f64>, b: &DMatrix<f64>, epsilon: f64) -> Result<(DMatrix<f64>, i32), Box<Error>> {
[INFO] [stderr]     |                                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/decomposition.rs:59:67
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn decompose(mut matrix: DMatrix<f64>) -> Result<LUP, Box<Error>> {
[INFO] [stderr]    |                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/matrix.rs:22:56
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn read(path: PathBuf) -> Result<DMatrix<f64>, Box<Error>> {
[INFO] [stderr]    |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/matrix.rs:73:105
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn jacobi(matrix: &DMatrix<f64>, b: &DMatrix<f64>, epsilon: f64) -> Result<(DMatrix<f64>, i32), Box<Error>> {
[INFO] [stderr]    |                                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matrix.rs:100:105
[INFO] [stderr]     |
[INFO] [stderr] 100 | pub fn seidel(matrix: &DMatrix<f64>, b: &DMatrix<f64>, epsilon: f64) -> Result<(DMatrix<f64>, i32), Box<Error>> {
[INFO] [stderr]     |                                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.13s
[INFO] running `"docker" "inspect" "33850798b5c8fa92215726498195040333a7357295572ebcdf010e9dc38d7ea3"`
[INFO] running `"docker" "rm" "-f" "33850798b5c8fa92215726498195040333a7357295572ebcdf010e9dc38d7ea3"`
[INFO] [stdout] 33850798b5c8fa92215726498195040333a7357295572ebcdf010e9dc38d7ea3