[INFO] fetching crate eiz 0.3.0...
[INFO] checking eiz-0.3.0 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate eiz 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate eiz 0.3.0 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eiz 0.3.0
[INFO] finished tweaking crates.io crate eiz 0.3.0
[INFO] tweaked toml for crates.io crate eiz 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot_core v0.7.2
[INFO] [stderr]   Downloaded parking_lot v0.10.2
[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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 68d94da238d017bebdf3506470cbea344ed59566fbe31b738c92efc341ab9d4b
[INFO] running `Command { std: "docker" "start" "-a" "68d94da238d017bebdf3506470cbea344ed59566fbe31b738c92efc341ab9d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68d94da238d017bebdf3506470cbea344ed59566fbe31b738c92efc341ab9d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d94da238d017bebdf3506470cbea344ed59566fbe31b738c92efc341ab9d4b", kill_on_drop: false }`
[INFO] [stdout] 68d94da238d017bebdf3506470cbea344ed59566fbe31b738c92efc341ab9d4b
[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" "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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e12098f412ba45918a2cdd68baff28a5f4fcfabb05bc7bb85450fdc69bff781
[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" "4e12098f412ba45918a2cdd68baff28a5f4fcfabb05bc7bb85450fdc69bff781", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking eiz v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `read` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> src/rt_queue.rs:114:63
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 drop((*self.buf.offset(read_masked as isize)).read());
[INFO] [stdout]     |                                                               ^^^^ method not found in `MaybeUninit<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> src/rt_queue.rs:114:63
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 drop((*self.buf.offset(read_masked as isize)).read());
[INFO] [stdout]     |                                                               ^^^^ method not found in `MaybeUninit<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> src/rt_queue.rs:154:74
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let result = unsafe { (*self.0.buf.offset(read_masked as isize)).read() };
[INFO] [stdout]     |                                                                          ^^^^ method not found in `MaybeUninit<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> src/rt_queue.rs:154:74
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let result = unsafe { (*self.0.buf.offset(read_masked as isize)).read() };
[INFO] [stdout]     |                                                                          ^^^^ method not found in `MaybeUninit<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `eiz`
[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: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4e12098f412ba45918a2cdd68baff28a5f4fcfabb05bc7bb85450fdc69bff781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e12098f412ba45918a2cdd68baff28a5f4fcfabb05bc7bb85450fdc69bff781", kill_on_drop: false }`
[INFO] [stdout] 4e12098f412ba45918a2cdd68baff28a5f4fcfabb05bc7bb85450fdc69bff781