[INFO] cloning repository https://github.com/Creative-Coding-The-Hard-Way/Flocking
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Creative-Coding-The-Hard-Way/Flocking" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCreative-Coding-The-Hard-Way%2FFlocking", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCreative-Coding-The-Hard-Way%2FFlocking'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2148a1fa1fc0e0ceda58b3000f67e66ae50bb565
[INFO] checking Creative-Coding-The-Hard-Way/Flocking against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCreative-Coding-The-Hard-Way%2FFlocking" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Creative-Coding-The-Hard-Way/Flocking on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Creative-Coding-The-Hard-Way/Flocking
[INFO] finished tweaking git repo https://github.com/Creative-Coding-The-Hard-Way/Flocking
[INFO] tweaked toml for git repo https://github.com/Creative-Coding-The-Hard-Way/Flocking written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Creative-Coding-The-Hard-Way/Flocking already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flexi_logger v0.17.1
[INFO] [stderr]   Downloaded rand_distr v0.3.0
[INFO] [stderr]   Downloaded simba v0.3.1
[INFO] [stderr]   Downloaded glfw v0.41.0
[INFO] [stderr]   Downloaded textwrap v0.13.2
[INFO] [stderr]   Downloaded nalgebra v0.24.1
[INFO] [stderr]   Downloaded smawk v0.3.1
[INFO] [stderr]   Downloaded vk-sys v0.4.0
[INFO] [stderr]   Downloaded aquamarine v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fcdeea34c693d7e23ad1f5a8edee48b0fcb126bba22e9e51a4b014eb4b0a1759
[INFO] running `Command { std: "docker" "start" "-a" "fcdeea34c693d7e23ad1f5a8edee48b0fcb126bba22e9e51a4b014eb4b0a1759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcdeea34c693d7e23ad1f5a8edee48b0fcb126bba22e9e51a4b014eb4b0a1759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcdeea34c693d7e23ad1f5a8edee48b0fcb126bba22e9e51a4b014eb4b0a1759", kill_on_drop: false }`
[INFO] [stdout] fcdeea34c693d7e23ad1f5a8edee48b0fcb126bba22e9e51a4b014eb4b0a1759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41e491eb01b27bac186ee148ea3241e313cd02a921f452138fab2148c64832c6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "41e491eb01b27bac186ee148ea3241e313cd02a921f452138fab2148c64832c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking vk-sys v0.4.0
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking textwrap v0.13.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling glfw-sys v3.3.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simba v0.3.1
[INFO] [stderr]     Checking rand_distr v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling aquamarine v0.1.6
[INFO] [stderr]     Checking glfw v0.41.0
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking flexi_logger v0.17.1
[INFO] [stderr]     Checking nalgebra v0.24.1
[INFO] [stderr]     Checking ash_starter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `main_monitor`
[INFO] [stdout]   --> src/application.rs:45:46
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 .with_primary_monitor(|glfw, main_monitor| {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_main_monitor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `main_monitor`
[INFO] [stdout]   --> src/application.rs:45:46
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 .with_primary_monitor(|glfw, main_monitor| {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_main_monitor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "41e491eb01b27bac186ee148ea3241e313cd02a921f452138fab2148c64832c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e491eb01b27bac186ee148ea3241e313cd02a921f452138fab2148c64832c6", kill_on_drop: false }`
[INFO] [stdout] 41e491eb01b27bac186ee148ea3241e313cd02a921f452138fab2148c64832c6