[INFO] cloning repository https://github.com/lennyferguson/Rust_CardServer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lennyferguson/Rust_CardServer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flennyferguson%2FRust_CardServer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flennyferguson%2FRust_CardServer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0afe1f6e41607706cb799d00cdd9318d840a9d89
[INFO] testing lennyferguson/Rust_CardServer against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flennyferguson%2FRust_CardServer" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  48% (1198/2459)
Updating files:  49% (1205/2459)
Updating files:  50% (1230/2459)
Updating files:  51% (1255/2459)
Updating files:  52% (1279/2459)
Updating files:  53% (1304/2459)
Updating files:  54% (1328/2459)
Updating files:  55% (1353/2459)
Updating files:  56% (1378/2459)
Updating files:  57% (1402/2459)
Updating files:  58% (1427/2459)
Updating files:  59% (1451/2459)
Updating files:  60% (1476/2459)
Updating files:  61% (1500/2459)
Updating files:  62% (1525/2459)
Updating files:  63% (1550/2459)
Updating files:  64% (1574/2459)
Updating files:  65% (1599/2459)
Updating files:  66% (1623/2459)
Updating files:  67% (1648/2459)
Updating files:  68% (1673/2459)
Updating files:  69% (1697/2459)
Updating files:  70% (1722/2459)
Updating files:  71% (1746/2459)
Updating files:  72% (1771/2459)
Updating files:  73% (1796/2459)
Updating files:  74% (1820/2459)
Updating files:  75% (1845/2459)
Updating files:  76% (1869/2459)
Updating files:  77% (1894/2459)
Updating files:  78% (1919/2459)
Updating files:  79% (1943/2459)
Updating files:  80% (1968/2459)
Updating files:  81% (1992/2459)
Updating files:  82% (2017/2459)
Updating files:  83% (2041/2459)
Updating files:  84% (2066/2459)
Updating files:  85% (2091/2459)
Updating files:  86% (2115/2459)
Updating files:  87% (2140/2459)
Updating files:  88% (2164/2459)
Updating files:  89% (2189/2459)
Updating files:  90% (2214/2459)
Updating files:  91% (2238/2459)
Updating files:  92% (2263/2459)
Updating files:  93% (2287/2459)
Updating files:  94% (2312/2459)
Updating files:  95% (2337/2459)
Updating files:  96% (2361/2459)
Updating files:  97% (2386/2459)
Updating files:  98% (2410/2459)
Updating files:  99% (2435/2459)
Updating files: 100% (2459/2459)
Updating files: 100% (2459/2459), done.
[INFO] validating manifest of git repo https://github.com/lennyferguson/Rust_CardServer on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lennyferguson/Rust_CardServer
[INFO] finished tweaking git repo https://github.com/lennyferguson/Rust_CardServer
[INFO] tweaked toml for git repo https://github.com/lennyferguson/Rust_CardServer written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/lennyferguson/Rust_CardServer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 500300ac15d9e20c50772a6a4df09f9fd64fcec57d0d156ff221223f6d90ab02
[INFO] running `Command { std: "docker" "start" "-a" "500300ac15d9e20c50772a6a4df09f9fd64fcec57d0d156ff221223f6d90ab02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "500300ac15d9e20c50772a6a4df09f9fd64fcec57d0d156ff221223f6d90ab02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500300ac15d9e20c50772a6a4df09f9fd64fcec57d0d156ff221223f6d90ab02", kill_on_drop: false }`
[INFO] [stdout] 500300ac15d9e20c50772a6a4df09f9fd64fcec57d0d156ff221223f6d90ab02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 198b276f0353a0790e53e9f5f1ab86e1b351dfefed9ea6ce9fa65d38f5e933fc
[INFO] running `Command { std: "docker" "start" "-a" "198b276f0353a0790e53e9f5f1ab86e1b351dfefed9ea6ce9fa65d38f5e933fc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.1.8
[INFO] [stderr]    Compiling winapi v0.2.1
[INFO] [stderr]    Compiling bitflags v0.1.1
[INFO] [stderr]    Compiling slab v0.1.2
[INFO] [stderr]    Compiling bytes v0.2.10
[INFO] [stderr]    Compiling log v0.3.1
[INFO] [stderr]    Compiling nix v0.3.9
[INFO] [stderr]    Compiling kernel32-sys v0.1.3
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stdout] error[E0591]: can't transmute zero-sized type
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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<'r> extern "C" fn(*mut Box<(dyn FnMut() -> isize + 'r)>) -> i32 {callback}
[INFO] [stdout]     = note: target type: *const for<'r> extern "C" fn(*const Box<(dyn FnMut() -> isize + 'r)>) -> i32
[INFO] [stdout]     = help: cast with `as` to a pointer instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "198b276f0353a0790e53e9f5f1ab86e1b351dfefed9ea6ce9fa65d38f5e933fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "198b276f0353a0790e53e9f5f1ab86e1b351dfefed9ea6ce9fa65d38f5e933fc", kill_on_drop: false }`
[INFO] [stdout] 198b276f0353a0790e53e9f5f1ab86e1b351dfefed9ea6ce9fa65d38f5e933fc