[INFO] cloning repository https://github.com/sommoyogurt/onion
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sommoyogurt/onion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsommoyogurt%2Fonion", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsommoyogurt%2Fonion'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6fde390903566ee1a9026bb94f2a143c3b7dee80
[INFO] checking sommoyogurt/onion against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsommoyogurt%2Fonion" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sommoyogurt/onion on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sommoyogurt/onion
[INFO] finished tweaking git repo https://github.com/sommoyogurt/onion
[INFO] tweaked toml for git repo https://github.com/sommoyogurt/onion written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/sommoyogurt/onion already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gjio v0.1.1
[INFO] [stderr]   Downloaded crossbeam v0.2.9
[INFO] [stderr]   Downloaded capnpc v0.7.0
[INFO] [stderr]   Downloaded capnp v0.7.1
[INFO] [stderr]   Downloaded capnp-rpc v0.7.0
[INFO] [stderr]   Downloaded log4rs v0.4.3
[INFO] [stderr]   Downloaded clap v2.5.1
[INFO] [stderr]   Downloaded capnp-gj v0.2.0
[INFO] [stderr]   Downloaded gj v0.2.0
[INFO] [stderr]   Downloaded antidote v0.1.0
[INFO] [stderr]   Downloaded ordered-float v0.1.0
[INFO] [stderr]   Downloaded serde v0.7.5
[INFO] [stderr]   Downloaded serde-value v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 450e4153427dd82a14526c90c2c8599041788dcbd8b88dfea200bf4b126eb805
[INFO] running `Command { std: "docker" "start" "-a" "450e4153427dd82a14526c90c2c8599041788dcbd8b88dfea200bf4b126eb805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "450e4153427dd82a14526c90c2c8599041788dcbd8b88dfea200bf4b126eb805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "450e4153427dd82a14526c90c2c8599041788dcbd8b88dfea200bf4b126eb805", kill_on_drop: false }`
[INFO] [stdout] 450e4153427dd82a14526c90c2c8599041788dcbd8b88dfea200bf4b126eb805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb38c93714116e532f14bf9f62a16e9c3f22bffd2ef5d58ec8b15411d08697d2
[INFO] running `Command { std: "docker" "start" "-a" "fb38c93714116e532f14bf9f62a16e9c3f22bffd2ef5d58ec8b15411d08697d2", kill_on_drop: false }`
[INFO] [stderr]     Checking winapi v0.2.7
[INFO] [stderr]     Checking num-traits v0.1.32
[INFO] [stderr]    Compiling gj v0.2.0
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking serde v0.7.5
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking strsim v0.4.1
[INFO] [stderr]     Checking ansi_term v0.7.2
[INFO] [stderr]     Checking antidote v0.1.0
[INFO] [stderr]     Checking bitflags v0.5.0
[INFO] [stderr]     Checking crossbeam v0.2.9
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking unsafe-any v0.4.1
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking kernel32-sys v0.2.2
[INFO] [stderr]     Checking nix v0.5.0
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking clap v2.5.1
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking capnp v0.7.1
[INFO] [stderr]     Checking net2 v0.2.23
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stdout] error[E0502]: cannot borrow `*reff` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/capnp-0.7.1/src/private/layout.rs:639:47
[INFO] [stdout]     |
[INFO] [stdout] 639 |         let ptr = try!(follow_fars(&mut reff, (*reff).target(), &mut segment));
[INFO] [stdout]     |                        ----------- ---------  ^^^^^^^ immutable borrow occurs here
[INFO] [stdout]     |                        |           |
[INFO] [stdout]     |                        |           mutable borrow occurs here
[INFO] [stdout]     |                        mutable borrow later used by call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*reff` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/capnp-0.7.1/src/private/layout.rs:639:47
[INFO] [stdout]     |
[INFO] [stdout] 639 |         let ptr = try!(follow_fars(&mut reff, (*reff).target(), &mut segment));
[INFO] [stdout]     |                        ----------- ---------  ^^^^^^^ immutable borrow occurs here
[INFO] [stdout]     |                        |           |
[INFO] [stdout]     |                        |           mutable borrow occurs here
[INFO] [stdout]     |                        mutable borrow later used by call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num v0.1.32
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `capnp` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stdout] error[E0591]: can't transmute zero-sized type
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.5.0/src/sched.rs:192:20
[INFO] [stdout]     |
[INFO] [stdout] 192 |         ffi::clone(mem::transmute(callback), ptr as *mut c_void, flags.bits(), &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: build failed
[INFO] running `Command { std: "docker" "inspect" "fb38c93714116e532f14bf9f62a16e9c3f22bffd2ef5d58ec8b15411d08697d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb38c93714116e532f14bf9f62a16e9c3f22bffd2ef5d58ec8b15411d08697d2", kill_on_drop: false }`
[INFO] [stdout] fb38c93714116e532f14bf9f62a16e9c3f22bffd2ef5d58ec8b15411d08697d2