[INFO] fetching crate ndless-async 0.1.2...
[INFO] checking ndless-async-0.1.2 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate ndless-async 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ndless-async 0.1.2 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ndless-async 0.1.2
[INFO] finished tweaking crates.io crate ndless-async 0.1.2
[INFO] tweaked toml for crates.io crate ndless-async 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ignore-result v0.2.0
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41b9bc5e17238bf12a9ae51c7ed87dcc187b6f11709d51bc3858eb8d9677e9ec
[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" "41b9bc5e17238bf12a9ae51c7ed87dcc187b6f11709d51bc3858eb8d9677e9ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41b9bc5e17238bf12a9ae51c7ed87dcc187b6f11709d51bc3858eb8d9677e9ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41b9bc5e17238bf12a9ae51c7ed87dcc187b6f11709d51bc3858eb8d9677e9ec", kill_on_drop: false }`
[INFO] [stdout] 41b9bc5e17238bf12a9ae51c7ed87dcc187b6f11709d51bc3858eb8d9677e9ec
[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=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46895fb4c971e733b25d238c6dd334048ab91e1d24f666490691376507aa6936
[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" "46895fb4c971e733b25d238c6dd334048ab91e1d24f666490691376507aa6936", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking ignore-result v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling ndless-macros v0.4.0
[INFO] [stderr]     Checking ndless v0.8.6
[INFO] [stdout] error[E0599]: no method named `get_mut` found for union `MaybeUninit<[u8; 8192]>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ndless-0.8.6/src/file_io/io/util.rs:54:39
[INFO] [stdout]    |
[INFO] [stdout] 54 |         reader.initializer().initialize(buf.get_mut());
[INFO] [stdout]    |                                             ^^^^^^^ method not found in `MaybeUninit<[u8; 8192]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_mut` found for union `MaybeUninit<[u8; 8192]>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ndless-0.8.6/src/file_io/io/util.rs:59:44
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let len = match reader.read(unsafe { buf.get_mut() }) {
[INFO] [stdout]    |                                                  ^^^^^^^ method not found in `MaybeUninit<[u8; 8192]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<[u8; 8192]>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ndless-0.8.6/src/file_io/io/util.rs:65:34
[INFO] [stdout]    |
[INFO] [stdout] 65 |         writer.write_all(unsafe { &buf.get_ref()[..len] })?;
[INFO] [stdout]    |                                        ^^^^^^^ method not found in `MaybeUninit<[u8; 8192]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ndless`.
[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" "46895fb4c971e733b25d238c6dd334048ab91e1d24f666490691376507aa6936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46895fb4c971e733b25d238c6dd334048ab91e1d24f666490691376507aa6936", kill_on_drop: false }`
[INFO] [stdout] 46895fb4c971e733b25d238c6dd334048ab91e1d24f666490691376507aa6936
