[INFO] cloning repository https://github.com/nmaswood/Rust-Machine-Learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nmaswood/Rust-Machine-Learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmaswood%2FRust-Machine-Learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmaswood%2FRust-Machine-Learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a870921d8282eeee6854da71c96563f491b47b56
[INFO] checking nmaswood/Rust-Machine-Learning against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmaswood%2FRust-Machine-Learning" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nmaswood/Rust-Machine-Learning on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nmaswood/Rust-Machine-Learning
[INFO] finished tweaking git repo https://github.com/nmaswood/Rust-Machine-Learning
[INFO] tweaked toml for git repo https://github.com/nmaswood/Rust-Machine-Learning written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/nmaswood/Rust-Machine-Learning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 916ec1c4fb4851f4b4698dfe4ea7b8c415b5684d2ee82a5f98b59ccb61df35b7
[INFO] running `Command { std: "docker" "start" "-a" "916ec1c4fb4851f4b4698dfe4ea7b8c415b5684d2ee82a5f98b59ccb61df35b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "916ec1c4fb4851f4b4698dfe4ea7b8c415b5684d2ee82a5f98b59ccb61df35b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "916ec1c4fb4851f4b4698dfe4ea7b8c415b5684d2ee82a5f98b59ccb61df35b7", kill_on_drop: false }`
[INFO] [stdout] 916ec1c4fb4851f4b4698dfe4ea7b8c415b5684d2ee82a5f98b59ccb61df35b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7754d83def336c78945583cac12dd51ff10b75bdc186e60ba98a973ba117f1a1
[INFO] running `Command { std: "docker" "start" "-a" "7754d83def336c78945583cac12dd51ff10b75bdc186e60ba98a973ba117f1a1", kill_on_drop: false }`
[INFO] [stderr]     Checking itertools v0.4.16
[INFO] [stderr]     Checking datasci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: cannot divide `{integer}` by `f64`
[INFO] [stdout]   --> src/main.rs:94:18
[INFO] [stdout]    |
[INFO] [stdout] 94 |     vector_mul(1 / v.len() as f64, v)
[INFO] [stdout]    |                  ^ no implementation for `{integer} / f64`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Div<f64>` is not implemented for `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `datasci`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: cannot divide `{integer}` by `f64`
[INFO] [stdout]   --> src/main.rs:94:18
[INFO] [stdout]    |
[INFO] [stdout] 94 |     vector_mul(1 / v.len() as f64, v)
[INFO] [stdout]    |                  ^ no implementation for `{integer} / f64`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Div<f64>` is not implemented for `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7754d83def336c78945583cac12dd51ff10b75bdc186e60ba98a973ba117f1a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7754d83def336c78945583cac12dd51ff10b75bdc186e60ba98a973ba117f1a1", kill_on_drop: false }`
[INFO] [stdout] 7754d83def336c78945583cac12dd51ff10b75bdc186e60ba98a973ba117f1a1