[INFO] cloning repository https://github.com/ls1-sys-prog-course/task3-processes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ls1-sys-prog-course/task3-processes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fls1-sys-prog-course%2Ftask3-processes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fls1-sys-prog-course%2Ftask3-processes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6742368e07ec6c09e55fb1c98dc1cac8786e3d61
[INFO] testing ls1-sys-prog-course/task3-processes against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fls1-sys-prog-course%2Ftask3-processes" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ls1-sys-prog-course/task3-processes on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ls1-sys-prog-course/task3-processes
[INFO] finished tweaking git repo https://github.com/ls1-sys-prog-course/task3-processes
[INFO] tweaked toml for git repo https://github.com/ls1-sys-prog-course/task3-processes written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ls1-sys-prog-course/task3-processes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 2393ee9e8e1f771bb71c028b96653ef8a15f4ba2a098c04ca41f73b4d603da42
[INFO] running `Command { std: "docker" "start" "-a" "2393ee9e8e1f771bb71c028b96653ef8a15f4ba2a098c04ca41f73b4d603da42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2393ee9e8e1f771bb71c028b96653ef8a15f4ba2a098c04ca41f73b4d603da42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2393ee9e8e1f771bb71c028b96653ef8a15f4ba2a098c04ca41f73b4d603da42", kill_on_drop: false }`
[INFO] [stdout] 2393ee9e8e1f771bb71c028b96653ef8a15f4ba2a098c04ca41f73b4d603da42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 244b9404df0d1860660596adbd0288cc31fc24bd3563777b16f5f83aa2687136
[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" "244b9404df0d1860660596adbd0288cc31fc24bd3563777b16f5f83aa2687136", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling exec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/lib.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub extern "C" fn run_pipeline(p: *const pipeline) {}
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `builtin`
[INFO] [stdout]   --> src/lib.rs:36:31
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub extern "C" fn run_builtin(builtin: builtin_type, builtin_arg: *const libc::c_char) {}
[INFO] [stdout]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builtin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `builtin_arg`
[INFO] [stdout]   --> src/lib.rs:36:54
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub extern "C" fn run_builtin(builtin: builtin_type, builtin_arg: *const libc::c_char) {}
[INFO] [stdout]    |                                                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builtin_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.17s
[INFO] running `Command { std: "docker" "inspect" "244b9404df0d1860660596adbd0288cc31fc24bd3563777b16f5f83aa2687136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "244b9404df0d1860660596adbd0288cc31fc24bd3563777b16f5f83aa2687136", kill_on_drop: false }`
[INFO] [stdout] 244b9404df0d1860660596adbd0288cc31fc24bd3563777b16f5f83aa2687136
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62a12fe48cc4ce85ad51aa734cb83112672638d2a94a7061a3d7735adfbbefdf
[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" "62a12fe48cc4ce85ad51aa734cb83112672638d2a94a7061a3d7735adfbbefdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling exec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/lib.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub extern "C" fn run_pipeline(p: *const pipeline) {}
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `builtin`
[INFO] [stdout]   --> src/lib.rs:36:31
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub extern "C" fn run_builtin(builtin: builtin_type, builtin_arg: *const libc::c_char) {}
[INFO] [stdout]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builtin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `builtin_arg`
[INFO] [stdout]   --> src/lib.rs:36:54
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub extern "C" fn run_builtin(builtin: builtin_type, builtin_arg: *const libc::c_char) {}
[INFO] [stdout]    |                                                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builtin_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "62a12fe48cc4ce85ad51aa734cb83112672638d2a94a7061a3d7735adfbbefdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62a12fe48cc4ce85ad51aa734cb83112672638d2a94a7061a3d7735adfbbefdf", kill_on_drop: false }`
[INFO] [stdout] 62a12fe48cc4ce85ad51aa734cb83112672638d2a94a7061a3d7735adfbbefdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 54d23a87a11f7dda9a90df382f031ba3e7c90cbb71ef36a7261a47038eb3a4a0
[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" "54d23a87a11f7dda9a90df382f031ba3e7c90cbb71ef36a7261a47038eb3a4a0", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/lib.rs:33:32
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub extern "C" fn run_pipeline(p: *const pipeline) {}
[INFO] [stderr]    |                                ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `builtin`
[INFO] [stderr]   --> src/lib.rs:36:31
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub extern "C" fn run_builtin(builtin: builtin_type, builtin_arg: *const libc::c_char) {}
[INFO] [stderr]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builtin`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `builtin_arg`
[INFO] [stderr]   --> src/lib.rs:36:54
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub extern "C" fn run_builtin(builtin: builtin_type, builtin_arg: *const libc::c_char) {}
[INFO] [stderr]    |                                                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builtin_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: `exec` (lib test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/exec-56405a1aee73e3f8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "54d23a87a11f7dda9a90df382f031ba3e7c90cbb71ef36a7261a47038eb3a4a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54d23a87a11f7dda9a90df382f031ba3e7c90cbb71ef36a7261a47038eb3a4a0", kill_on_drop: false }`
[INFO] [stdout] 54d23a87a11f7dda9a90df382f031ba3e7c90cbb71ef36a7261a47038eb3a4a0