[INFO] cloning repository https://github.com/kirhgoff/fractazoid
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kirhgoff/fractazoid" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirhgoff%2Ffractazoid", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirhgoff%2Ffractazoid'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c32f86a21d89ade525316ed5a04c941bf383095c
[INFO] checking kirhgoff/fractazoid against 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6 for pr-160581
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirhgoff%2Ffractazoid" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kirhgoff/fractazoid
[INFO] finished tweaking git repo https://github.com/kirhgoff/fractazoid
[INFO] tweaked toml for git repo https://github.com/kirhgoff/fractazoid written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kirhgoff/fractazoid on toolchain 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kirhgoff/fractazoid 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" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "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
[INFO] checking kirhgoff/fractazoid against 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6 for pr-160581
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirhgoff%2Ffractazoid" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kirhgoff/fractazoid
[INFO] finished tweaking git repo https://github.com/kirhgoff/fractazoid
[INFO] tweaked toml for git repo https://github.com/kirhgoff/fractazoid written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kirhgoff/fractazoid on toolchain 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kirhgoff/fractazoid 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" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "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 num-complex v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8592c8b35a21958861c6c27820cea36439ddb4d8e21a6ab11b86b19d3a8cecfc
[INFO] running `Command { std: "docker" "start" "8592c8b35a21958861c6c27820cea36439ddb4d8e21a6ab11b86b19d3a8cecfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8592c8b35a21958861c6c27820cea36439ddb4d8e21a6ab11b86b19d3a8cecfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8592c8b35a21958861c6c27820cea36439ddb4d8e21a6ab11b86b19d3a8cecfc" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8592c8b35a21958861c6c27820cea36439ddb4d8e21a6ab11b86b19d3a8cecfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8592c8b35a21958861c6c27820cea36439ddb4d8e21a6ab11b86b19d3a8cecfc" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking fractazoid v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `real_width`, `real_height`, `screen_width`, and `screen_height` are never read
[INFO] [stdout]   --> src/screen.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Screen {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout]  6 |     pub origin: Complex<RealNumber>,
[INFO] [stdout]  7 |     pub real_width: RealNumber,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]  8 |     pub real_height: RealNumber,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]  9 |     pub screen_width: ScreenNumber,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 10 |     pub screen_height: ScreenNumber,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `real_width`, `real_height`, `screen_width`, and `screen_height` are never read
[INFO] [stdout]   --> src/screen.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Screen {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout]  6 |     pub origin: Complex<RealNumber>,
[INFO] [stdout]  7 |     pub real_width: RealNumber,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]  8 |     pub real_height: RealNumber,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]  9 |     pub screen_width: ScreenNumber,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 10 |     pub screen_height: ScreenNumber,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/renderer.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 | /             format!(
[INFO] [stdout] 39 | |                 "Invalid iteration: {} allowed max: {}",
[INFO] [stdout] 40 | |                 iteration, self.max_iterations
[INFO] [stdout] 41 | |             )
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 38 ~             
[INFO] [stdout] 39 |                 "Invalid iteration: {} allowed max: {}",
[INFO] [stdout] 40 |                 iteration, self.max_iterations
[INFO] [stdout] 41 ~             
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/renderer.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 | /             format!(
[INFO] [stdout] 39 | |                 "Invalid iteration: {} allowed max: {}",
[INFO] [stdout] 40 | |                 iteration, self.max_iterations
[INFO] [stdout] 41 | |             )
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 38 ~             
[INFO] [stdout] 39 |                 "Invalid iteration: {} allowed max: {}",
[INFO] [stdout] 40 |                 iteration, self.max_iterations
[INFO] [stdout] 41 ~             
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/renderer.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             format!("Index {} should be less than {}", index, self.chars_count)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 46 -             format!("Index {} should be less than {}", index, self.chars_count)
[INFO] [stdout] 46 +             "Index {} should be less than {}", index, self.chars_count
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/renderer.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             format!("Index {} should be less than {}", index, self.chars_count)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 46 -             format!("Index {} should be less than {}", index, self.chars_count)
[INFO] [stdout] 46 +             "Index {} should be less than {}", index, self.chars_count
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "8592c8b35a21958861c6c27820cea36439ddb4d8e21a6ab11b86b19d3a8cecfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8592c8b35a21958861c6c27820cea36439ddb4d8e21a6ab11b86b19d3a8cecfc", kill_on_drop: false }`
[INFO] [stdout] 8592c8b35a21958861c6c27820cea36439ddb4d8e21a6ab11b86b19d3a8cecfc
