[INFO] cloning repository https://github.com/SaadDAHMANI/mlsolver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SaadDAHMANI/mlsolver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaadDAHMANI%2Fmlsolver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaadDAHMANI%2Fmlsolver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a80b0bab207e0ed3dceaa3567133f0c1c5a4d0b9
[INFO] checking SaadDAHMANI/mlsolver against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaadDAHMANI%2Fmlsolver" "/workspace/builds/worker-72/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-72/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SaadDAHMANI/mlsolver on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SaadDAHMANI/mlsolver
[INFO] finished tweaking git repo https://github.com/SaadDAHMANI/mlsolver
[INFO] tweaked toml for git repo https://github.com/SaadDAHMANI/mlsolver written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate git repo https://github.com/SaadDAHMANI/mlsolver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread-tree v0.3.2
[INFO] [stderr]   Downloaded order-stat v0.1.3
[INFO] [stderr]   Downloaded peroxide-ad v0.3.0
[INFO] [stderr]   Downloaded puruspe v0.1.5
[INFO] [stderr]   Downloaded peroxide v0.30.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a8cc43ce32355206a407554119053195ea9f41c0a6a6666c6cc62bf5a04c796
[INFO] running `Command { std: "docker" "start" "-a" "4a8cc43ce32355206a407554119053195ea9f41c0a6a6666c6cc62bf5a04c796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a8cc43ce32355206a407554119053195ea9f41c0a6a6666c6cc62bf5a04c796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a8cc43ce32355206a407554119053195ea9f41c0a6a6666c6cc62bf5a04c796", kill_on_drop: false }`
[INFO] [stdout] 4a8cc43ce32355206a407554119053195ea9f41c0a6a6666c6cc62bf5a04c796
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "-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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e5ac5142a577f745c541b1aaa4aa06b1fc56530b9a441fd53aa513133bf2b8f
[INFO] running `Command { std: "docker" "start" "-a" "3e5ac5142a577f745c541b1aaa4aa06b1fc56530b9a441fd53aa513133bf2b8f", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling peroxide v0.30.9
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking puruspe v0.1.5
[INFO] [stderr]     Checking order-stat v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking thread-tree v0.3.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rand_distr v0.4.1
[INFO] [stderr]    Compiling peroxide-ad v0.3.0
[INFO] [stderr]     Checking mlsolver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/mlsolver.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let (a21, a10, h0, q, r) = network.get_network();
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/mlsolver.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let (a21, a10, h0, q, r) = network.get_network();
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `velocity`
[INFO] [stdout]   --> src/pipe.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn velocity(&self)-> Option<f64> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flow`
[INFO] [stdout]  --> src/pump.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     flow : Option<f64>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `head`
[INFO] [stdout]  --> src/pump.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     head : Option<f64>, 
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `head_of`
[INFO] [stdout]   --> src/pump.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn head_of(&self, flow :f64)->f64 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `head`
[INFO] [stdout]   --> src/pump.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn head(&self)-> Option<f64> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flow`
[INFO] [stdout]  --> src/valve.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     flow : Option<f64>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `network1`
[INFO] [stdout]  --> src/benchmark.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn network1()-> (Vec<Vec<f64>>, Vec<Vec<f64>>, Vec<f64>, Vec<f64>, Vec<f64>) {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `network7`
[INFO] [stdout]   --> src/benchmark.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn network7()->Network {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `network2`
[INFO] [stdout]    --> src/benchmark.rs:166:4
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn network2()-> (Vec<Vec<f64>>, Vec<Vec<f64>>, Vec<f64>, Vec<f64>, Vec<f64>) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `network3`
[INFO] [stdout]    --> src/benchmark.rs:222:4
[INFO] [stdout]     |
[INFO] [stdout] 222 | fn network3()->Network {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `network4`
[INFO] [stdout]    --> src/benchmark.rs:312:4
[INFO] [stdout]     |
[INFO] [stdout] 312 | fn network4()->Network {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `network5`
[INFO] [stdout]    --> src/benchmark.rs:424:4
[INFO] [stdout]     |
[INFO] [stdout] 424 | fn network5()-> Network {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `network6`
[INFO] [stdout]    --> src/benchmark.rs:525:4
[INFO] [stdout]     |
[INFO] [stdout] 525 | fn network6()-> Network {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `network1_todini`
[INFO] [stdout]    --> src/benchmark.rs:640:4
[INFO] [stdout]     |
[INFO] [stdout] 640 | fn network1_todini()-> Network {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `velocity`
[INFO] [stdout]   --> src/pipe.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn velocity(&self)-> Option<f64> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flow`
[INFO] [stdout]  --> src/pump.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     flow : Option<f64>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `head`
[INFO] [stdout]  --> src/pump.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     head : Option<f64>, 
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `head`
[INFO] [stdout]   --> src/pump.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn head(&self)-> Option<f64> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flow`
[INFO] [stdout]  --> src/valve.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     flow : Option<f64>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `network1`
[INFO] [stdout]  --> src/benchmark.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn network1()-> (Vec<Vec<f64>>, Vec<Vec<f64>>, Vec<f64>, Vec<f64>, Vec<f64>) {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `network7`
[INFO] [stdout]   --> src/benchmark.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn network7()->Network {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `network2`
[INFO] [stdout]    --> src/benchmark.rs:166:4
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn network2()-> (Vec<Vec<f64>>, Vec<Vec<f64>>, Vec<f64>, Vec<f64>, Vec<f64>) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `network5`
[INFO] [stdout]    --> src/benchmark.rs:424:4
[INFO] [stdout]     |
[INFO] [stdout] 424 | fn network5()-> Network {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `network6`
[INFO] [stdout]    --> src/benchmark.rs:525:4
[INFO] [stdout]     |
[INFO] [stdout] 525 | fn network6()-> Network {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `network1_todini`
[INFO] [stdout]    --> src/benchmark.rs:640:4
[INFO] [stdout]     |
[INFO] [stdout] 640 | fn network1_todini()-> Network {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.84s
[INFO] running `Command { std: "docker" "inspect" "3e5ac5142a577f745c541b1aaa4aa06b1fc56530b9a441fd53aa513133bf2b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e5ac5142a577f745c541b1aaa4aa06b1fc56530b9a441fd53aa513133bf2b8f", kill_on_drop: false }`
[INFO] [stdout] 3e5ac5142a577f745c541b1aaa4aa06b1fc56530b9a441fd53aa513133bf2b8f