[INFO] cloning repository https://github.com/scottzzq/IFS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scottzzq/IFS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottzzq%2FIFS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottzzq%2FIFS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18b678ec4f297d093ab2e410247600f56addf027
[INFO] documenting scottzzq/IFS against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottzzq%2FIFS" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scottzzq/IFS on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scottzzq/IFS
[INFO] finished tweaking git repo https://github.com/scottzzq/IFS
[INFO] tweaked toml for git repo https://github.com/scottzzq/IFS written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/scottzzq/IFS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/scottzzq/kvproto.git`
[INFO] [stderr]     Updating git repository `https://github.com/pingcap/rust-prometheus.git`
[INFO] [stderr]     Updating git repository `https://github.com/pingcap/tipb.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v0.3.14
[INFO] [stderr]   Downloaded num-bigint v0.1.36
[INFO] [stderr]   Downloaded serde_derive v0.9.10
[INFO] [stderr]   Downloaded utime v0.1.3
[INFO] [stderr]   Downloaded signal v0.2.0
[INFO] [stderr]   Downloaded fs2 v0.4.1
[INFO] [stderr]   Downloaded clippy_lints v0.0.117
[INFO] [stderr]   Downloaded clippy v0.0.117
[INFO] [stderr]   Downloaded protobuf v1.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 894e8a49fcdfa3af86b169d139c0e69e6779ea35ee87f9f205f2b5d4c870ca9b
[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" "894e8a49fcdfa3af86b169d139c0e69e6779ea35ee87f9f205f2b5d4c870ca9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "894e8a49fcdfa3af86b169d139c0e69e6779ea35ee87f9f205f2b5d4c870ca9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "894e8a49fcdfa3af86b169d139c0e69e6779ea35ee87f9f205f2b5d4c870ca9b", kill_on_drop: false }`
[INFO] [stdout] 894e8a49fcdfa3af86b169d139c0e69e6779ea35ee87f9f205f2b5d4c870ca9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTDOCFLAGS=--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8361722d4d8e665cfa91cab56ca8175d26999df166e0b4c97dff95ca9f45f6a7
[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" "8361722d4d8e665cfa91cab56ca8175d26999df166e0b4c97dff95ca9f45f6a7", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]     Checking protobuf v1.2.2
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking httparse v1.2.1
[INFO] [stderr]     Checking lazy_static v0.2.4
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking quick-error v0.2.2
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking threadpool v1.3.2
[INFO] [stderr]     Checking getopts v0.2.14
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling kernel32-sys v0.1.4
[INFO] [stderr]     Checking unicode-bidi v0.2.5
[INFO] [stderr]     Checking crc v1.4.0
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.2
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num_cpus v1.3.0
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking nix v0.5.0-pre (https://github.com/carllerche/nix-rust?rev=c4257f8a76#c4257f8a)
[INFO] [stdout] error[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33
[INFO] [stdout]      |
[INFO] [stdout] 955  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stdout]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 959  |         state = match (state, whitespace, limit) {
[INFO] [stdout]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stdout] ...
[INFO] [stdout] 1008 |     while cont && match state { B | C => true, A => false } {
[INFO] [stdout]      |                                 ^ use of borrowed `state`
[INFO] [stdout] 1009 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stdout]      |         ------- borrow later used here
[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 E0503`.
[INFO] [stdout] 
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr] error: could not compile `getopts`.
[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] [stdout] error[E0591]: can't transmute zero-sized type
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/nix-rust-d606302ceff0dca5/c4257f8/src/sched.rs:190:20
[INFO] [stdout]     |
[INFO] [stdout] 190 |         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 std::boxed::Box<(dyn std::ops::FnMut() -> isize + 'r)>) -> i32 {sched::clone::callback}
[INFO] [stdout]     = note: target type: *const for<'r> extern "C" fn(*const std::boxed::Box<(dyn std::ops::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: build failed
[INFO] running `Command { std: "docker" "inspect" "8361722d4d8e665cfa91cab56ca8175d26999df166e0b4c97dff95ca9f45f6a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8361722d4d8e665cfa91cab56ca8175d26999df166e0b4c97dff95ca9f45f6a7", kill_on_drop: false }`
[INFO] [stdout] 8361722d4d8e665cfa91cab56ca8175d26999df166e0b4c97dff95ca9f45f6a7