[INFO] cloning repository https://github.com/gnieto/rs_proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gnieto/rs_proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnieto%2Frs_proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnieto%2Frs_proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01bf60698f22131b500e35f54be04dbcf4a281ad
[INFO] checking gnieto/rs_proxy against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnieto%2Frs_proxy" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gnieto/rs_proxy on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gnieto/rs_proxy
[INFO] finished tweaking git repo https://github.com/gnieto/rs_proxy
[INFO] tweaked toml for git repo https://github.com/gnieto/rs_proxy written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/gnieto/rs_proxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded void v1.0.1
[INFO] [stderr]   Downloaded env_logger v0.3.3
[INFO] [stderr]   Downloaded netbuf v0.3.1
[INFO] [stderr]   Downloaded resp v0.3.5
[INFO] [stderr]   Downloaded miow v0.1.2
[INFO] [stderr]   Downloaded thread_local v0.2.3
[INFO] [stderr]   Downloaded regex v0.1.66
[INFO] [stderr]   Downloaded regex-syntax v0.3.1
[INFO] [stderr]   Downloaded winapi v0.2.6
[INFO] [stderr]   Downloaded net2 v0.2.23
[INFO] [stderr]   Downloaded libc v0.2.10
[INFO] [stderr]   Downloaded nix v0.4.2
[INFO] [stderr]   Downloaded ansi_term v0.7.2
[INFO] [stderr]   Downloaded mio v0.5.0
[INFO] [stderr]   Downloaded aho-corasick v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2c80de8737a7f2e2e9d9d6e9418b339ba1b01fffd8175bc2838cb3dea47fa821
[INFO] running `Command { std: "docker" "start" "-a" "2c80de8737a7f2e2e9d9d6e9418b339ba1b01fffd8175bc2838cb3dea47fa821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c80de8737a7f2e2e9d9d6e9418b339ba1b01fffd8175bc2838cb3dea47fa821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c80de8737a7f2e2e9d9d6e9418b339ba1b01fffd8175bc2838cb3dea47fa821", kill_on_drop: false }`
[INFO] [stdout] 2c80de8737a7f2e2e9d9d6e9418b339ba1b01fffd8175bc2838cb3dea47fa821
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f2a7e8a4f2c3f5e77edbfb106680973f362b3140ded2303cc2054de81e111ac1
[INFO] running `Command { std: "docker" "start" "-a" "f2a7e8a4f2c3f5e77edbfb106680973f362b3140ded2303cc2054de81e111ac1", kill_on_drop: false }`
[INFO] [stderr]     Checking winapi v0.2.6
[INFO] [stderr]     Checking libc v0.2.10
[INFO] [stderr]     Checking void v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.3.1
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking netbuf v0.3.1
[INFO] [stderr]     Checking ansi_term v0.7.2
[INFO] [stderr]     Checking resp v0.3.5
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking nix v0.4.2
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking net2 v0.2.23
[INFO] [stderr]     Checking aho-corasick v0.5.1
[INFO] [stderr]     Checking thread_local v0.2.3
[INFO] [stderr]     Checking miow 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-0.4.2/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] [stderr]     Checking regex v0.1.66
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f2a7e8a4f2c3f5e77edbfb106680973f362b3140ded2303cc2054de81e111ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a7e8a4f2c3f5e77edbfb106680973f362b3140ded2303cc2054de81e111ac1", kill_on_drop: false }`
[INFO] [stdout] f2a7e8a4f2c3f5e77edbfb106680973f362b3140ded2303cc2054de81e111ac1