[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] building SaadDAHMANI/mpalgo against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaadDAHMANI%2Fmpalgo" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SaadDAHMANI/mpalgo on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-7-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_distr v0.4.1
[INFO] [stderr]   Downloaded special v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9aa5c4ae10494af5c6c892aa28edcf6ebb849e11343a168f20862dff1e9b4e4f
[INFO] running `Command { std: "docker" "start" "-a" "9aa5c4ae10494af5c6c892aa28edcf6ebb849e11343a168f20862dff1e9b4e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9aa5c4ae10494af5c6c892aa28edcf6ebb849e11343a168f20862dff1e9b4e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aa5c4ae10494af5c6c892aa28edcf6ebb849e11343a168f20862dff1e9b4e4f", kill_on_drop: false }`
[INFO] [stdout] 9aa5c4ae10494af5c6c892aa28edcf6ebb849e11343a168f20862dff1e9b4e4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e592b971f5c28840fc13db68d8509025865ef041060cf8327860f46572776f8e
[INFO] running `Command { std: "docker" "start" "-a" "e592b971f5c28840fc13db68d8509025865ef041060cf8327860f46572776f8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling special v0.8.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rand_distr v0.4.1
[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 `write_matrix` is never used
[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 `write_vector` is never used
[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 `f2` is never used
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "e592b971f5c28840fc13db68d8509025865ef041060cf8327860f46572776f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e592b971f5c28840fc13db68d8509025865ef041060cf8327860f46572776f8e", kill_on_drop: false }`
[INFO] [stdout] e592b971f5c28840fc13db68d8509025865ef041060cf8327860f46572776f8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7d1bde22bbd6d68873eb2229b91270c8d9808c82f2b80be4552db4f124fc61c
[INFO] running `Command { std: "docker" "start" "-a" "f7d1bde22bbd6d68873eb2229b91270c8d9808c82f2b80be4552db4f124fc61c", 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 `write_matrix` is never used
[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 `write_vector` is never used
[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 `f2` is never used
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "f7d1bde22bbd6d68873eb2229b91270c8d9808c82f2b80be4552db4f124fc61c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7d1bde22bbd6d68873eb2229b91270c8d9808c82f2b80be4552db4f124fc61c", kill_on_drop: false }`
[INFO] [stdout] f7d1bde22bbd6d68873eb2229b91270c8d9808c82f2b80be4552db4f124fc61c