[INFO] cloning repository https://github.com/MrAaaah/rust_basic_task_multithreading
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MrAaaah/rust_basic_task_multithreading" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrAaaah%2Frust_basic_task_multithreading", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrAaaah%2Frust_basic_task_multithreading'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4add926ab46fce569837f21ae6033f05201a0ebb
[INFO] checking MrAaaah/rust_basic_task_multithreading against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrAaaah%2Frust_basic_task_multithreading" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MrAaaah/rust_basic_task_multithreading 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/MrAaaah/rust_basic_task_multithreading
[INFO] finished tweaking git repo https://github.com/MrAaaah/rust_basic_task_multithreading
[INFO] tweaked toml for git repo https://github.com/MrAaaah/rust_basic_task_multithreading written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/MrAaaah/rust_basic_task_multithreading 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 7c31672b10b7dcaaeea97ec0b4dff6e0090a0d5e20b6c451af85fa0e8ad6d215
[INFO] running `Command { std: "docker" "start" "-a" "7c31672b10b7dcaaeea97ec0b4dff6e0090a0d5e20b6c451af85fa0e8ad6d215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c31672b10b7dcaaeea97ec0b4dff6e0090a0d5e20b6c451af85fa0e8ad6d215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c31672b10b7dcaaeea97ec0b4dff6e0090a0d5e20b6c451af85fa0e8ad6d215", kill_on_drop: false }`
[INFO] [stdout] 7c31672b10b7dcaaeea97ec0b4dff6e0090a0d5e20b6c451af85fa0e8ad6d215
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 012e2610fd247be894399bb9c61815fec6d2b1838354e7d69cfc3638cc601197
[INFO] running `Command { std: "docker" "start" "-a" "012e2610fd247be894399bb9c61815fec6d2b1838354e7d69cfc3638cc601197", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.1.10
[INFO] [stderr]     Checking winapi v0.2.3
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]     Checking num_cpus v0.2.6
[INFO] [stderr]     Checking rand v0.3.11
[INFO] [stderr]     Checking multithread v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 thread::sleep_ms(rng.gen::<u32>() % 200);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 thread::sleep_ms(rng.gen::<u32>() % 200);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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 2.17s
[INFO] running `Command { std: "docker" "inspect" "012e2610fd247be894399bb9c61815fec6d2b1838354e7d69cfc3638cc601197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "012e2610fd247be894399bb9c61815fec6d2b1838354e7d69cfc3638cc601197", kill_on_drop: false }`
[INFO] [stdout] 012e2610fd247be894399bb9c61815fec6d2b1838354e7d69cfc3638cc601197