[INFO] cloning repository https://github.com/SaadDAHMANI/mpalgo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SaadDAHMANI/mpalgo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaadDAHMANI%2Fmpalgo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaadDAHMANI%2Fmpalgo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56236d1b029177fa2052fce50801d9fff577cfc3
[INFO] testing SaadDAHMANI/mpalgo against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaadDAHMANI%2Fmpalgo" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SaadDAHMANI/mpalgo on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SaadDAHMANI/mpalgo
[INFO] finished tweaking git repo https://github.com/SaadDAHMANI/mpalgo
[INFO] tweaked toml for git repo https://github.com/SaadDAHMANI/mpalgo written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/SaadDAHMANI/mpalgo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4cde5ea814c7d07d3e7a624a43de0b23e0342db69bf6e5bc0e4d564c02f92bdb
[INFO] running `Command { std: "docker" "start" "-a" "4cde5ea814c7d07d3e7a624a43de0b23e0342db69bf6e5bc0e4d564c02f92bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cde5ea814c7d07d3e7a624a43de0b23e0342db69bf6e5bc0e4d564c02f92bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cde5ea814c7d07d3e7a624a43de0b23e0342db69bf6e5bc0e4d564c02f92bdb", kill_on_drop: false }`
[INFO] [stdout] 4cde5ea814c7d07d3e7a624a43de0b23e0342db69bf6e5bc0e4d564c02f92bdb
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e3273b3bc830dfeef0051fb8f829711a230de7999999fc65b60481a9d1307887
[INFO] running `Command { std: "docker" "start" "-a" "e3273b3bc830dfeef0051fb8f829711a230de7999999fc65b60481a9d1307887", kill_on_drop: false }`
[INFO] [stderr]    Compiling special v0.8.1
[INFO] [stderr]    Compiling mpalgo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `bestchart`
[INFO] [stdout]   --> src/main.rs:21:34
[INFO] [stdout]    |
[INFO] [stdout] 21 |      let (bestfit, bestsolution, bestchart) = mpa(n,kmax,lb,ub,d, &f1);
[INFO] [stdout]    |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bestchart`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_matrix`
[INFO] [stdout]    --> src/mpa.rs:505:4
[INFO] [stdout]     |
[INFO] [stdout] 505 | fn write_matrix(x: &Vec<Vec<f64>>, message :&str) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_vector`
[INFO] [stdout]    --> src/mpa.rs:517:4
[INFO] [stdout]     |
[INFO] [stdout] 517 | fn write_vector(x: &Vec<f64>, message : &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `f2`
[INFO] [stdout]   --> src/main.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn f2(x: &Vec<f64>)-> f64 {
[INFO] [stdout]    |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "e3273b3bc830dfeef0051fb8f829711a230de7999999fc65b60481a9d1307887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3273b3bc830dfeef0051fb8f829711a230de7999999fc65b60481a9d1307887", kill_on_drop: false }`
[INFO] [stdout] e3273b3bc830dfeef0051fb8f829711a230de7999999fc65b60481a9d1307887
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18433e9277e1c80a3a11f85f750e834173140f57d406594e03baa3ea8d1cf841
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "18433e9277e1c80a3a11f85f750e834173140f57d406594e03baa3ea8d1cf841", kill_on_drop: false }`
[INFO] [stderr]    Compiling mpalgo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `bestchart`
[INFO] [stdout]   --> src/main.rs:21:34
[INFO] [stdout]    |
[INFO] [stdout] 21 |      let (bestfit, bestsolution, bestchart) = mpa(n,kmax,lb,ub,d, &f1);
[INFO] [stdout]    |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bestchart`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_matrix`
[INFO] [stdout]    --> src/mpa.rs:505:4
[INFO] [stdout]     |
[INFO] [stdout] 505 | fn write_matrix(x: &Vec<Vec<f64>>, message :&str) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_vector`
[INFO] [stdout]    --> src/mpa.rs:517:4
[INFO] [stdout]     |
[INFO] [stdout] 517 | fn write_vector(x: &Vec<f64>, message : &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `f2`
[INFO] [stdout]   --> src/main.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn f2(x: &Vec<f64>)-> f64 {
[INFO] [stdout]    |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "18433e9277e1c80a3a11f85f750e834173140f57d406594e03baa3ea8d1cf841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18433e9277e1c80a3a11f85f750e834173140f57d406594e03baa3ea8d1cf841", kill_on_drop: false }`
[INFO] [stdout] 18433e9277e1c80a3a11f85f750e834173140f57d406594e03baa3ea8d1cf841
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] faabb3cf184022bd2fca381e76250b89d6abab186517f01e3fe1b3572ceeda00
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "faabb3cf184022bd2fca381e76250b89d6abab186517f01e3fe1b3572ceeda00", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `bestchart`
[INFO] [stderr]   --> src/main.rs:21:34
[INFO] [stderr]    |
[INFO] [stderr] 21 |      let (bestfit, bestsolution, bestchart) = mpa(n,kmax,lb,ub,d, &f1);
[INFO] [stderr]    |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bestchart`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write_matrix`
[INFO] [stderr]    --> src/mpa.rs:505:4
[INFO] [stderr]     |
[INFO] [stderr] 505 | fn write_matrix(x: &Vec<Vec<f64>>, message :&str) {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write_vector`
[INFO] [stderr]    --> src/mpa.rs:517:4
[INFO] [stderr]     |
[INFO] [stderr] 517 | fn write_vector(x: &Vec<f64>, message : &str) {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `f2`
[INFO] [stderr]   --> src/main.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn f2(x: &Vec<f64>)-> f64 {
[INFO] [stderr]    |    ^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mpalgo` (bin "mpalgo" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mpalgo-f03b3a676636dc33)
[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] running `Command { std: "docker" "inspect" "faabb3cf184022bd2fca381e76250b89d6abab186517f01e3fe1b3572ceeda00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faabb3cf184022bd2fca381e76250b89d6abab186517f01e3fe1b3572ceeda00", kill_on_drop: false }`
[INFO] [stdout] faabb3cf184022bd2fca381e76250b89d6abab186517f01e3fe1b3572ceeda00