[INFO] cloning repository https://github.com/boberhauser/rs-auto-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boberhauser/rs-auto-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboberhauser%2Frs-auto-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboberhauser%2Frs-auto-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0436e6964514dfb3a956ac18887278bce495095c
[INFO] testing boberhauser/rs-auto-test against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboberhauser%2Frs-auto-test" "/workspace/builds/worker-119/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-119/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/boberhauser/rs-auto-test 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/boberhauser/rs-auto-test
[INFO] finished tweaking git repo https://github.com/boberhauser/rs-auto-test
[INFO] tweaked toml for git repo https://github.com/boberhauser/rs-auto-test written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] crate git repo https://github.com/boberhauser/rs-auto-test 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inotify v0.1.12
[INFO] [stderr]   Downloaded nix v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 6f2387c773648a475a7893cd1acd56a6db1f7582873b82b9c72f24fb1bcbf28d
[INFO] running `Command { std: "docker" "start" "-a" "6f2387c773648a475a7893cd1acd56a6db1f7582873b82b9c72f24fb1bcbf28d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f2387c773648a475a7893cd1acd56a6db1f7582873b82b9c72f24fb1bcbf28d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f2387c773648a475a7893cd1acd56a6db1f7582873b82b9c72f24fb1bcbf28d", kill_on_drop: false }`
[INFO] [stdout] 6f2387c773648a475a7893cd1acd56a6db1f7582873b82b9c72f24fb1bcbf28d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 15b3fc24494f7dfce13614c9fca7a0d6b6d254607df8eb1cc351e47fbb87747b
[INFO] running `Command { std: "docker" "start" "-a" "15b3fc24494f7dfce13614c9fca7a0d6b6d254607df8eb1cc351e47fbb87747b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.1.6
[INFO] [stderr]    Compiling bitflags v0.1.1
[INFO] [stderr]    Compiling nix v0.3.5
[INFO] [stderr]    Compiling inotify v0.1.12
[INFO] [stdout] error[E0591]: can't transmute zero-sized type
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.3.5/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" "15b3fc24494f7dfce13614c9fca7a0d6b6d254607df8eb1cc351e47fbb87747b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b3fc24494f7dfce13614c9fca7a0d6b6d254607df8eb1cc351e47fbb87747b", kill_on_drop: false }`
[INFO] [stdout] 15b3fc24494f7dfce13614c9fca7a0d6b6d254607df8eb1cc351e47fbb87747b