[INFO] fetching crate installer 0.1.0-alpha1...
[INFO] testing installer-0.1.0-alpha1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate installer 0.1.0-alpha1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate installer 0.1.0-alpha1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate installer 0.1.0-alpha1
[INFO] finished tweaking crates.io crate installer 0.1.0-alpha1
[INFO] tweaked toml for crates.io crate installer 0.1.0-alpha1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate installer 0.1.0-alpha1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3647fff36481e138b23abcda7a0c570e5bdbb36e097972b44de49d3bd2e3c2f
[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" "e3647fff36481e138b23abcda7a0c570e5bdbb36e097972b44de49d3bd2e3c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3647fff36481e138b23abcda7a0c570e5bdbb36e097972b44de49d3bd2e3c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3647fff36481e138b23abcda7a0c570e5bdbb36e097972b44de49d3bd2e3c2f", kill_on_drop: false }`
[INFO] [stdout] e3647fff36481e138b23abcda7a0c570e5bdbb36e097972b44de49d3bd2e3c2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b819a61818138caba7f9b109200da615294cb82d5097e7389160a8cf4887f66d
[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" "b819a61818138caba7f9b109200da615294cb82d5097e7389160a8cf4887f66d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling smallvec v1.4.1
[INFO] [stderr]    Compiling cpuid-bool v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling bytes v0.5.5
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling libflate_lz77 v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling generic-array v0.14.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-bigint-dig v0.6.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling libflate v1.0.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling tar v0.4.29
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling pem v0.8.1
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling simple_asn1 v0.4.0
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling ipc-channel v0.14.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling rsa v0.3.0
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling networking v0.1.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/networking-0.1.2/src/lib.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | #![feature(maybe_uninit_ref)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/networking-0.1.2/src/lib.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | #![feature(ip)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for reference `&MaybeUninit<Req>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/networking-0.1.2/src/query.rs:20:54
[INFO] [stdout]     |
[INFO] [stdout] 20  |             return Poll::Ready(unsafe { data.deref().get_ref().clone() });
[INFO] [stdout]     |                                                      ^^^^^^^ method not found in `&MaybeUninit<Req>`
[INFO] [stdout]     |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 20  |             return Poll::Ready(unsafe { Pin::new(data.deref()).get_ref().clone() });
[INFO] [stdout]     |                                         ^^^^^^^^^            ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 20  |             return Poll::Ready(unsafe { Pin::new(&data.deref()).get_ref().clone() });
[INFO] [stdout]     |                                         ^^^^^^^^^^            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_mut` found for mutable reference `&mut MaybeUninit<Req>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/networking-0.1.2/src/query.rs:34:32
[INFO] [stdout]     |
[INFO] [stdout] 34  |             *gaurd.deref_mut().get_mut() = data;
[INFO] [stdout]     |                                ^^^^^^^ method not found in `&mut MaybeUninit<Req>`
[INFO] [stdout]     |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 34  |             *Pin::new(gaurd.deref_mut()).get_mut() = data;
[INFO] [stdout]     |              ^^^^^^^^^                 ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 34  |             *Pin::new(&mut gaurd.deref_mut()).get_mut() = data;
[INFO] [stdout]     |              ^^^^^^^^^^^^^                  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for reference `&std::sync::MutexGuard<'_, MaybeUninit<T>>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/networking-0.1.2/src/query.rs:53:43
[INFO] [stdout]     |
[INFO] [stdout] 53  |                 return Some(data.borrow().get_ref().clone());
[INFO] [stdout]     |                                           ^^^^^^^ method not found in `&std::sync::MutexGuard<'_, MaybeUninit<T>>`
[INFO] [stdout]     |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 53  |                 return Some(Pin::new(data.borrow()).get_ref().clone());
[INFO] [stdout]     |                             ^^^^^^^^^             ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 53  |                 return Some(Pin::new(&data.borrow()).get_ref().clone());
[INFO] [stdout]     |                             ^^^^^^^^^^             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for reference `&MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/networking-0.1.2/src/query.rs:66:35
[INFO] [stdout]     |
[INFO] [stdout] 66  |                 Some(data.deref().get_ref().clone())
[INFO] [stdout]     |                                   ^^^^^^^ method not found in `&MaybeUninit<T>`
[INFO] [stdout]     |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 66  |                 Some(Pin::new(data.deref()).get_ref().clone())
[INFO] [stdout]     |                      ^^^^^^^^^            ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 66  |                 Some(Pin::new(&data.deref()).get_ref().clone())
[INFO] [stdout]     |                      ^^^^^^^^^^            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_mut` found for mutable reference `&mut MaybeUninit<Rsp>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/networking-0.1.2/src/query.rs:91:32
[INFO] [stdout]     |
[INFO] [stdout] 91  |             *gaurd.deref_mut().get_mut() = data;
[INFO] [stdout]     |                                ^^^^^^^ method not found in `&mut MaybeUninit<Rsp>`
[INFO] [stdout]     |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 91  |             *Pin::new(gaurd.deref_mut()).get_mut() = data;
[INFO] [stdout]     |              ^^^^^^^^^                 ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 91  |             *Pin::new(&mut gaurd.deref_mut()).get_mut() = data;
[INFO] [stdout]     |              ^^^^^^^^^^^^^                  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for reference `&MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/networking-0.1.2/src/query.rs:104:47
[INFO] [stdout]     |
[INFO] [stdout] 104 |             return Some(unsafe { data.deref().get_ref().clone() });
[INFO] [stdout]     |                                               ^^^^^^^ method not found in `&MaybeUninit<T>`
[INFO] [stdout]     |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 104 |             return Some(unsafe { Pin::new(data.deref()).get_ref().clone() });
[INFO] [stdout]     |                                  ^^^^^^^^^            ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 104 |             return Some(unsafe { Pin::new(&data.deref()).get_ref().clone() });
[INFO] [stdout]     |                                  ^^^^^^^^^^            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for reference `&MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/networking-0.1.2/src/query.rs:116:35
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 Some(data.deref().get_ref().clone())
[INFO] [stdout]     |                                   ^^^^^^^ method not found in `&MaybeUninit<T>`
[INFO] [stdout]     |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 Some(Pin::new(data.deref()).get_ref().clone())
[INFO] [stdout]     |                      ^^^^^^^^^            ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 Some(Pin::new(&data.deref()).get_ref().clone())
[INFO] [stdout]     |                      ^^^^^^^^^^            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for reference `&MaybeUninit<Rsp>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/networking-0.1.2/src/query.rs:138:54
[INFO] [stdout]     |
[INFO] [stdout] 138 |             return Poll::Ready(unsafe { data.deref().get_ref().clone() });
[INFO] [stdout]     |                                                      ^^^^^^^ method not found in `&MaybeUninit<Rsp>`
[INFO] [stdout]     |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 138 |             return Poll::Ready(unsafe { Pin::new(data.deref()).get_ref().clone() });
[INFO] [stdout]     |                                         ^^^^^^^^^            ^
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 138 |             return Poll::Ready(unsafe { Pin::new(&data.deref()).get_ref().clone() });
[INFO] [stdout]     |                                         ^^^^^^^^^^            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `networking`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b819a61818138caba7f9b109200da615294cb82d5097e7389160a8cf4887f66d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b819a61818138caba7f9b109200da615294cb82d5097e7389160a8cf4887f66d", kill_on_drop: false }`
[INFO] [stdout] b819a61818138caba7f9b109200da615294cb82d5097e7389160a8cf4887f66d
