[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] checking ls1-sys-prog-course/task3-processes against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fls1-sys-prog-course%2Ftask3-processes" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ls1-sys-prog-course/task3-processes on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-3/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdfcdf664372d59d0ebbc5ad6c8274e6c44b21140963ddef2531f3ed780fa452
[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" "bdfcdf664372d59d0ebbc5ad6c8274e6c44b21140963ddef2531f3ed780fa452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdfcdf664372d59d0ebbc5ad6c8274e6c44b21140963ddef2531f3ed780fa452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdfcdf664372d59d0ebbc5ad6c8274e6c44b21140963ddef2531f3ed780fa452", kill_on_drop: false }`
[INFO] [stdout] bdfcdf664372d59d0ebbc5ad6c8274e6c44b21140963ddef2531f3ed780fa452
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5a5d29d7885029830e1c4f8e3b01943ae49c163e5c73d8799fbfbb09418b2d2
[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" "f5a5d29d7885029830e1c4f8e3b01943ae49c163e5c73d8799fbfbb09418b2d2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking 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: 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] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.25s
[INFO] running `Command { std: "docker" "inspect" "f5a5d29d7885029830e1c4f8e3b01943ae49c163e5c73d8799fbfbb09418b2d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5a5d29d7885029830e1c4f8e3b01943ae49c163e5c73d8799fbfbb09418b2d2", kill_on_drop: false }`
[INFO] [stdout] f5a5d29d7885029830e1c4f8e3b01943ae49c163e5c73d8799fbfbb09418b2d2