[INFO] cloning repository https://github.com/johshoff/udp_echo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johshoff/udp_echo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohshoff%2Fudp_echo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohshoff%2Fudp_echo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3097f7ddf25cbbf145d7a1ef5f0b22461c4b90dc
[INFO] testing johshoff/udp_echo against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohshoff%2Fudp_echo" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/johshoff/udp_echo
[INFO] finished tweaking git repo https://github.com/johshoff/udp_echo
[INFO] tweaked toml for git repo https://github.com/johshoff/udp_echo written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/johshoff/udp_echo on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/johshoff/udp_echo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clock_ticks v0.0.5
[INFO] [stderr]   Downloaded nix v0.3.9
[INFO] [stderr]   Downloaded log v0.3.2
[INFO] [stderr]   Downloaded libc v0.1.10
[INFO] [stderr]   Downloaded bitflags v0.1.1
[INFO] [stderr]   Downloaded bytes v0.2.11
[INFO] [stderr]   Downloaded mio v0.4.3
[INFO] [stderr]   Downloaded winapi v0.1.23
[INFO] [stderr]   Downloaded slab v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78a2e32c1ef5a6ba361e3941ecd68ede7c6de10e449dc5895d481ade150d8cb1
[INFO] running `Command { std: "docker" "start" "-a" "78a2e32c1ef5a6ba361e3941ecd68ede7c6de10e449dc5895d481ade150d8cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78a2e32c1ef5a6ba361e3941ecd68ede7c6de10e449dc5895d481ade150d8cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78a2e32c1ef5a6ba361e3941ecd68ede7c6de10e449dc5895d481ade150d8cb1", kill_on_drop: false }`
[INFO] [stdout] 78a2e32c1ef5a6ba361e3941ecd68ede7c6de10e449dc5895d481ade150d8cb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1525ac98ba4c83dd931b11d2274220adec0486f57ef925f5e5fe862a7e106d0e
[INFO] running `Command { std: "docker" "start" "-a" "1525ac98ba4c83dd931b11d2274220adec0486f57ef925f5e5fe862a7e106d0e", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling libc v0.1.10
[INFO] [stderr]    Compiling bitflags v0.1.1
[INFO] [stderr]    Compiling bytes v0.2.11
[INFO] [stderr]    Compiling slab v0.1.2
[INFO] [stderr]    Compiling nix v0.3.9
[INFO] [stderr]    Compiling log v0.3.2
[INFO] [stderr]    Compiling winapi v0.1.23
[INFO] [stderr]    Compiling clock_ticks v0.0.5
[INFO] [stdout] error[E0591]: can't transmute zero-sized type
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.3.9/src/sched.rs:168:20
[INFO] [stdout]     |
[INFO] [stdout] 168 |         ffi::clone(mem::transmute(callback), ptr as *mut c_void, flags, &mut cb)
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: source type: for<'a> extern "C" fn(*mut Box<(dyn FnMut() -> isize + 'a)>) -> i32 {callback}
[INFO] [stdout]     = note: target type: *const for<'a> extern "C" fn(*const Box<(dyn FnMut() -> isize + 'a)>) -> i32
[INFO] [stdout]     = help: cast with `as` to a pointer instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0591`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nix` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "1525ac98ba4c83dd931b11d2274220adec0486f57ef925f5e5fe862a7e106d0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1525ac98ba4c83dd931b11d2274220adec0486f57ef925f5e5fe862a7e106d0e", kill_on_drop: false }`
[INFO] [stdout] 1525ac98ba4c83dd931b11d2274220adec0486f57ef925f5e5fe862a7e106d0e