[INFO] cloning repository https://github.com/caleb/syslog_forwarder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caleb/syslog_forwarder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaleb%2Fsyslog_forwarder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaleb%2Fsyslog_forwarder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09c5465d48272b09fdb9eb57c51a912d5b5bb54e
[INFO] checking caleb/syslog_forwarder against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaleb%2Fsyslog_forwarder" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/caleb/syslog_forwarder on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/caleb/syslog_forwarder
[INFO] finished tweaking git repo https://github.com/caleb/syslog_forwarder
[INFO] tweaked toml for git repo https://github.com/caleb/syslog_forwarder written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/caleb/syslog_forwarder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/mio.git`
[INFO] [stderr]     Updating git repository `https://github.com/alexcrichton/miow`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/nix-rust`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v0.2.11
[INFO] [stderr]   Downloaded slab v0.1.2
[INFO] [stderr]   Downloaded nix v0.4.1
[INFO] [stderr]   Downloaded net2 v0.2.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b8eb7e643bfff3761f5c5614a3afa38b6b2d0e11b38a5d33c79dc846190f72f
[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" "3b8eb7e643bfff3761f5c5614a3afa38b6b2d0e11b38a5d33c79dc846190f72f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b8eb7e643bfff3761f5c5614a3afa38b6b2d0e11b38a5d33c79dc846190f72f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b8eb7e643bfff3761f5c5614a3afa38b6b2d0e11b38a5d33c79dc846190f72f", kill_on_drop: false }`
[INFO] [stdout] 3b8eb7e643bfff3761f5c5614a3afa38b6b2d0e11b38a5d33c79dc846190f72f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b20d3a5c31a7cd0cb836eacbc2ef4cf70d62beec2b5c37d4bdf2c2bc73c3edd
[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" "7b20d3a5c31a7cd0cb836eacbc2ef4cf70d62beec2b5c37d4bdf2c2bc73c3edd", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.2
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking slab v0.1.2
[INFO] [stderr]     Checking bytes v0.2.10 (https://github.com/carllerche/bytes?rev=7edb577d0a#7edb577d)
[INFO] [stderr]     Checking getopts v0.2.14
[INFO] [stderr]     Checking bytes v0.2.11
[INFO] [stderr]     Checking nix v0.4.1 (https://github.com/carllerche/nix-rust?rev=ad87c3bdc9#ad87c3bd)
[INFO] [stderr]     Checking nix v0.4.1
[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] 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/registry/src/github.com-1ecc6299db9ec823/nix-0.4.1/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[E0591]: can't transmute zero-sized type
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/nix-rust-d606302ceff0dca5/ad87c3b/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] [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" "7b20d3a5c31a7cd0cb836eacbc2ef4cf70d62beec2b5c37d4bdf2c2bc73c3edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b20d3a5c31a7cd0cb836eacbc2ef4cf70d62beec2b5c37d4bdf2c2bc73c3edd", kill_on_drop: false }`
[INFO] [stdout] 7b20d3a5c31a7cd0cb836eacbc2ef4cf70d62beec2b5c37d4bdf2c2bc73c3edd