[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] 33f1eec227280a68589b2615656575aef0f2ed23
[INFO] checking SaadDAHMANI/mlsolver against try#d7b15db413fd2070daa09a2c5b7f2ab38417429f for pr-144544
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaadDAHMANI%2Fmlsolver" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SaadDAHMANI/mlsolver on toolchain d7b15db413fd2070daa09a2c5b7f2ab38417429f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SaadDAHMANI/mlsolver 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" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "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 peroxide-ad v0.3.0
[INFO] [stderr]   Downloaded order-stat v0.1.3
[INFO] [stderr]   Downloaded thread-tree v0.3.2
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 544bd5ea5c1c74e5c325e241e17337d19f4565ce6ece824f5b8a2d84e30d01e6
[INFO] running `Command { std: "docker" "start" "-a" "544bd5ea5c1c74e5c325e241e17337d19f4565ce6ece824f5b8a2d84e30d01e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "544bd5ea5c1c74e5c325e241e17337d19f4565ce6ece824f5b8a2d84e30d01e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "544bd5ea5c1c74e5c325e241e17337d19f4565ce6ece824f5b8a2d84e30d01e6", kill_on_drop: false }`
[INFO] [stdout] 544bd5ea5c1c74e5c325e241e17337d19f4565ce6ece824f5b8a2d84e30d01e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b04825e636540d3666c1738a7d40d55b107f005883e0b6c537aa16129634e75
[INFO] running `Command { std: "docker" "start" "-a" "8b04825e636540d3666c1738a7d40d55b107f005883e0b6c537aa16129634e75", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling peroxide v0.30.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking order-stat v0.1.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking puruspe v0.1.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking thread-tree v0.3.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking rand_core v0.6.3
[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: method `velocity` is never used
[INFO] [stdout]   --> src/pipe.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Pipe {
[INFO] [stdout]    | --------- method in this implementation
[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: fields `flow` and `head` are never read
[INFO] [stdout]  --> src/pump.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Pump{
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     flow : Option<f64>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     head : Option<f64>, 
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Pump` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `head_of` and `head` are never used
[INFO] [stdout]   --> src/pump.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Pump {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 18 |     fn head_of(&self, flow :f64)->f64 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn head(&self)-> Option<f64> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flow` is never read
[INFO] [stdout]  --> src/valve.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Valve{
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     flow : Option<f64>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Valve` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `network1` is never used
[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 `network7` is never used
[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 `network2` is never used
[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 `network3` is never used
[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 `network4` is never used
[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 `network5` is never used
[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 `network6` is never used
[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 `network1_todini` is never used
[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: 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: method `velocity` is never used
[INFO] [stdout]   --> src/pipe.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Pipe {
[INFO] [stdout]    | --------- method in this implementation
[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: fields `flow` and `head` are never read
[INFO] [stdout]  --> src/pump.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Pump{
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     flow : Option<f64>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     head : Option<f64>, 
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Pump` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `head` is never used
[INFO] [stdout]   --> src/pump.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Pump {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn head(&self)-> Option<f64> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flow` is never read
[INFO] [stdout]  --> src/valve.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Valve{
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     flow : Option<f64>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Valve` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `network1` is never used
[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 `network7` is never used
[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 `network2` is never used
[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 `network5` is never used
[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 `network6` is never used
[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 `network1_todini` is never used
[INFO] [stdout]    --> src/benchmark.rs:640:4
[INFO] [stdout]     |
[INFO] [stdout] 640 | fn network1_todini()-> Network {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.82s
[INFO] running `Command { std: "docker" "inspect" "8b04825e636540d3666c1738a7d40d55b107f005883e0b6c537aa16129634e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b04825e636540d3666c1738a7d40d55b107f005883e0b6c537aa16129634e75", kill_on_drop: false }`
[INFO] [stdout] 8b04825e636540d3666c1738a7d40d55b107f005883e0b6c537aa16129634e75