[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] f0218f4976aaca676d1e47d1ead3ea3356156f67
[INFO] testing ls1-sys-prog-course/task3-processes against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fls1-sys-prog-course%2Ftask3-processes" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ls1-sys-prog-course/task3-processes on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-30/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" "+722e1797249a965b6335aebd65d777f917e498f1" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b3e545e50e05e35a94dac61aecf8106f78dda53fa6ce0867596e66aff77f7cb
[INFO] running `Command { std: "docker" "start" "-a" "2b3e545e50e05e35a94dac61aecf8106f78dda53fa6ce0867596e66aff77f7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b3e545e50e05e35a94dac61aecf8106f78dda53fa6ce0867596e66aff77f7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b3e545e50e05e35a94dac61aecf8106f78dda53fa6ce0867596e66aff77f7cb", kill_on_drop: false }`
[INFO] [stdout] 2b3e545e50e05e35a94dac61aecf8106f78dda53fa6ce0867596e66aff77f7cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1be6bbdaf87d7c97f206441470f95df1969efc9aa70b4e3e6a4d81e9a485047
[INFO] running `Command { std: "docker" "start" "-a" "b1be6bbdaf87d7c97f206441470f95df1969efc9aa70b4e3e6a4d81e9a485047", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 4m 53s
[INFO] running `Command { std: "docker" "inspect" "b1be6bbdaf87d7c97f206441470f95df1969efc9aa70b4e3e6a4d81e9a485047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1be6bbdaf87d7c97f206441470f95df1969efc9aa70b4e3e6a4d81e9a485047", kill_on_drop: false }`
[INFO] [stdout] b1be6bbdaf87d7c97f206441470f95df1969efc9aa70b4e3e6a4d81e9a485047
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 453d3076c33d1c01ef168fa32f088b2bf56f77bb7406d761972df4f0403dcecd
[INFO] running `Command { std: "docker" "start" "-a" "453d3076c33d1c01ef168fa32f088b2bf56f77bb7406d761972df4f0403dcecd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.61s
[INFO] running `Command { std: "docker" "inspect" "453d3076c33d1c01ef168fa32f088b2bf56f77bb7406d761972df4f0403dcecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "453d3076c33d1c01ef168fa32f088b2bf56f77bb7406d761972df4f0403dcecd", kill_on_drop: false }`
[INFO] [stdout] 453d3076c33d1c01ef168fa32f088b2bf56f77bb7406d761972df4f0403dcecd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1636034f540ab93e9759bd13084d2949c7d2955ca1e66ec3b1c50fa1d6bfdd02
[INFO] running `Command { std: "docker" "start" "-a" "1636034f540ab93e9759bd13084d2949c7d2955ca1e66ec3b1c50fa1d6bfdd02", 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-f67eebf0e906e5f7)
[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" "1636034f540ab93e9759bd13084d2949c7d2955ca1e66ec3b1c50fa1d6bfdd02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1636034f540ab93e9759bd13084d2949c7d2955ca1e66ec3b1c50fa1d6bfdd02", kill_on_drop: false }`
[INFO] [stdout] 1636034f540ab93e9759bd13084d2949c7d2955ca1e66ec3b1c50fa1d6bfdd02