[INFO] cloning repository https://github.com/botagar/rust-threading-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/botagar/rust-threading-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbotagar%2Frust-threading-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbotagar%2Frust-threading-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 255783156b9fe180b3abc769516e9d1d6c3a6183
[INFO] checking botagar/rust-threading-practice against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbotagar%2Frust-threading-practice" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/botagar/rust-threading-practice on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/botagar/rust-threading-practice
[INFO] finished tweaking git repo https://github.com/botagar/rust-threading-practice
[INFO] tweaked toml for git repo https://github.com/botagar/rust-threading-practice written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/botagar/rust-threading-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c03fba02d7ef0a83f2cd7da0a03760a6b03d5c38904adad841ec9b7d1d2ad476
[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" "c03fba02d7ef0a83f2cd7da0a03760a6b03d5c38904adad841ec9b7d1d2ad476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c03fba02d7ef0a83f2cd7da0a03760a6b03d5c38904adad841ec9b7d1d2ad476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c03fba02d7ef0a83f2cd7da0a03760a6b03d5c38904adad841ec9b7d1d2ad476", kill_on_drop: false }`
[INFO] [stdout] c03fba02d7ef0a83f2cd7da0a03760a6b03d5c38904adad841ec9b7d1d2ad476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40bdf90898cd82debb5c4441744c2558f399b6d06c7411ecd14fe1293a640271
[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" "40bdf90898cd82debb5c4441744c2558f399b6d06c7411ecd14fe1293a640271", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
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[INFO] [stderr]    Compiling getrandom v0.1.14
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[INFO] [stderr]    Compiling serde_json v1.0.57
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[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking bytesize v1.0.1
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[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling devise v0.2.0
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[INFO] [stderr]     Checking rocket_http v0.4.5
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[INFO] [stderr]     Checking threading-spike v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/main.rs:51:48
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn near_real_time_loop(nrt_loop_period: usize, state: Arc<RwLock<State>>, system: Arc<System>) {
[INFO] [stdout]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `system`
[INFO] [stdout]   --> src/main.rs:51:75
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn near_real_time_loop(nrt_loop_period: usize, state: Arc<RwLock<State>>, system: Arc<System>) {
[INFO] [stdout]    |                                                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_system`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/main.rs:51:48
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn near_real_time_loop(nrt_loop_period: usize, state: Arc<RwLock<State>>, system: Arc<System>) {
[INFO] [stdout]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `system`
[INFO] [stdout]   --> src/main.rs:51:75
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn near_real_time_loop(nrt_loop_period: usize, state: Arc<RwLock<State>>, system: Arc<System>) {
[INFO] [stdout]    |                                                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_system`
[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 [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "40bdf90898cd82debb5c4441744c2558f399b6d06c7411ecd14fe1293a640271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40bdf90898cd82debb5c4441744c2558f399b6d06c7411ecd14fe1293a640271", kill_on_drop: false }`
[INFO] [stdout] 40bdf90898cd82debb5c4441744c2558f399b6d06c7411ecd14fe1293a640271