[INFO] cloning repository https://github.com/SerheyJankowsky/ml-linear-regresion
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SerheyJankowsky/ml-linear-regresion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerheyJankowsky%2Fml-linear-regresion", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerheyJankowsky%2Fml-linear-regresion'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e680bd8eed459aa3962dd4a2d71633d1c57ab524
[INFO] testing SerheyJankowsky/ml-linear-regresion against try#8da20828b6ea601dfd8e2448cb50ace88876bd78 for pr-150933
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerheyJankowsky%2Fml-linear-regresion" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SerheyJankowsky/ml-linear-regresion
[INFO] finished tweaking git repo https://github.com/SerheyJankowsky/ml-linear-regresion
[INFO] tweaked toml for git repo https://github.com/SerheyJankowsky/ml-linear-regresion written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SerheyJankowsky/ml-linear-regresion on toolchain 8da20828b6ea601dfd8e2448cb50ace88876bd78
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SerheyJankowsky/ml-linear-regresion 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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing SerheyJankowsky/ml-linear-regresion against try#8da20828b6ea601dfd8e2448cb50ace88876bd78 for pr-150933
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerheyJankowsky%2Fml-linear-regresion" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SerheyJankowsky/ml-linear-regresion
[INFO] finished tweaking git repo https://github.com/SerheyJankowsky/ml-linear-regresion
[INFO] tweaked toml for git repo https://github.com/SerheyJankowsky/ml-linear-regresion written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SerheyJankowsky/ml-linear-regresion on toolchain 8da20828b6ea601dfd8e2448cb50ace88876bd78
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SerheyJankowsky/ml-linear-regresion 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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba85367453b02951f5284362558c8f1e7b4c1e648584f93c4d0795a47c8af221
[INFO] running `Command { std: "docker" "start" "-a" "ba85367453b02951f5284362558c8f1e7b4c1e648584f93c4d0795a47c8af221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba85367453b02951f5284362558c8f1e7b4c1e648584f93c4d0795a47c8af221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba85367453b02951f5284362558c8f1e7b4c1e648584f93c4d0795a47c8af221", kill_on_drop: false }`
[INFO] [stdout] ba85367453b02951f5284362558c8f1e7b4c1e648584f93c4d0795a47c8af221
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31f9ff13103cc86810704d70112fee338c2d9cdeb8fb14db56e1162549fd205e
[INFO] running `Command { std: "docker" "start" "-a" "31f9ff13103cc86810704d70112fee338c2d9cdeb8fb14db56e1162549fd205e", kill_on_drop: false }`
[INFO] [stderr]    Compiling AI v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/algoritms/gradient_descent.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |             .map(|(r, x)| (r * x))
[INFO] [stdout]    |                           ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -             .map(|(r, x)| (r * x))
[INFO] [stdout] 23 +             .map(|(r, x)| r * x )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "31f9ff13103cc86810704d70112fee338c2d9cdeb8fb14db56e1162549fd205e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f9ff13103cc86810704d70112fee338c2d9cdeb8fb14db56e1162549fd205e", kill_on_drop: false }`
[INFO] [stdout] 31f9ff13103cc86810704d70112fee338c2d9cdeb8fb14db56e1162549fd205e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df1ad31e4718baf6c4c6710346262e10abee199589d11523a709cb0b1cb6e342
[INFO] running `Command { std: "docker" "start" "-a" "df1ad31e4718baf6c4c6710346262e10abee199589d11523a709cb0b1cb6e342", kill_on_drop: false }`
[INFO] [stderr]    Compiling AI v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/algoritms/gradient_descent.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |             .map(|(r, x)| (r * x))
[INFO] [stdout]    |                           ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -             .map(|(r, x)| (r * x))
[INFO] [stdout] 23 +             .map(|(r, x)| r * x )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "df1ad31e4718baf6c4c6710346262e10abee199589d11523a709cb0b1cb6e342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df1ad31e4718baf6c4c6710346262e10abee199589d11523a709cb0b1cb6e342", kill_on_drop: false }`
[INFO] [stdout] df1ad31e4718baf6c4c6710346262e10abee199589d11523a709cb0b1cb6e342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf7430628e45ba7a47afb62d8d7867a1104305c0887814822bc35fd48fa887db
[INFO] running `Command { std: "docker" "start" "-a" "cf7430628e45ba7a47afb62d8d7867a1104305c0887814822bc35fd48fa887db", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/algoritms/gradient_descent.rs:23:27
[INFO] [stderr]    |
[INFO] [stderr] 23 |             .map(|(r, x)| (r * x))
[INFO] [stderr]    |                           ^     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 23 -             .map(|(r, x)| (r * x))
[INFO] [stderr] 23 +             .map(|(r, x)| r * x )
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `AI` (bin "AI" test) generated 1 warning (run `cargo fix --bin "AI" -p AI --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/AI-7a68bf29401625a3)
[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" "cf7430628e45ba7a47afb62d8d7867a1104305c0887814822bc35fd48fa887db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf7430628e45ba7a47afb62d8d7867a1104305c0887814822bc35fd48fa887db", kill_on_drop: false }`
[INFO] [stdout] cf7430628e45ba7a47afb62d8d7867a1104305c0887814822bc35fd48fa887db