[INFO] cloning repository https://github.com/hdzonx/Rust_linear_algebra_and_statistic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hdzonx/Rust_linear_algebra_and_statistic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhdzonx%2FRust_linear_algebra_and_statistic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhdzonx%2FRust_linear_algebra_and_statistic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2dd901f65d0be0f894bcba0670ce69541bbce702
[INFO] checking hdzonx/Rust_linear_algebra_and_statistic against master#7bdae134cba57426d3c56b5de737a351762445e1 for pr-123794
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhdzonx%2FRust_linear_algebra_and_statistic" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hdzonx/Rust_linear_algebra_and_statistic on toolchain 7bdae134cba57426d3c56b5de737a351762445e1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7bdae134cba57426d3c56b5de737a351762445e1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hdzonx/Rust_linear_algebra_and_statistic
[INFO] finished tweaking git repo https://github.com/hdzonx/Rust_linear_algebra_and_statistic
[INFO] tweaked toml for git repo https://github.com/hdzonx/Rust_linear_algebra_and_statistic written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hdzonx/Rust_linear_algebra_and_statistic 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" "+7bdae134cba57426d3c56b5de737a351762445e1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking hdzonx/Rust_linear_algebra_and_statistic against try#f0a46ffcb8bbd220fe569642e5e175207d8e3fea for pr-123794
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhdzonx%2FRust_linear_algebra_and_statistic" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hdzonx/Rust_linear_algebra_and_statistic on toolchain f0a46ffcb8bbd220fe569642e5e175207d8e3fea
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f0a46ffcb8bbd220fe569642e5e175207d8e3fea" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hdzonx/Rust_linear_algebra_and_statistic
[INFO] finished tweaking git repo https://github.com/hdzonx/Rust_linear_algebra_and_statistic
[INFO] tweaked toml for git repo https://github.com/hdzonx/Rust_linear_algebra_and_statistic written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hdzonx/Rust_linear_algebra_and_statistic 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" "+f0a46ffcb8bbd220fe569642e5e175207d8e3fea" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+f0a46ffcb8bbd220fe569642e5e175207d8e3fea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45775bb2b9d1f7c7dca34798d30378b53ee6c0cfe1cc9778c99e3f5aee0d8a40
[INFO] running `Command { std: "docker" "start" "-a" "45775bb2b9d1f7c7dca34798d30378b53ee6c0cfe1cc9778c99e3f5aee0d8a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45775bb2b9d1f7c7dca34798d30378b53ee6c0cfe1cc9778c99e3f5aee0d8a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45775bb2b9d1f7c7dca34798d30378b53ee6c0cfe1cc9778c99e3f5aee0d8a40", kill_on_drop: false }`
[INFO] [stdout] 45775bb2b9d1f7c7dca34798d30378b53ee6c0cfe1cc9778c99e3f5aee0d8a40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+f0a46ffcb8bbd220fe569642e5e175207d8e3fea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5389268a68929317d15ed2292ad9e4cf55ddc1d1aa0b6b6873ab03e6b941a254
[INFO] running `Command { std: "docker" "start" "-a" "5389268a68929317d15ed2292ad9e4cf55ddc1d1aa0b6b6873ab03e6b941a254", kill_on_drop: false }`
[INFO] [stderr]     Checking sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Array_Sort` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Array_Sort {
[INFO] [stdout]   |        ^^^^^^^^^^ help: convert the identifier to upper camel case: `ArraySort`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Array_Sort` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Array_Sort {
[INFO] [stdout]   |        ^^^^^^^^^^ help: convert the identifier to upper camel case: `ArraySort`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `arr` is never read
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Array_Sort {
[INFO] [stdout]   |        ---------- field in this struct
[INFO] [stdout] 2 |     arr: [i32; 6],
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `arr` is never read
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Array_Sort {
[INFO] [stdout]   |        ---------- field in this struct
[INFO] [stdout] 2 |     arr: [i32; 6],
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "5389268a68929317d15ed2292ad9e4cf55ddc1d1aa0b6b6873ab03e6b941a254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5389268a68929317d15ed2292ad9e4cf55ddc1d1aa0b6b6873ab03e6b941a254", kill_on_drop: false }`
[INFO] [stdout] 5389268a68929317d15ed2292ad9e4cf55ddc1d1aa0b6b6873ab03e6b941a254