[INFO] fetching crate lightbeam 0.19.0...
[INFO] checking lightbeam-0.19.0 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate lightbeam 0.19.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate lightbeam 0.19.0 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lightbeam 0.19.0
[INFO] finished tweaking crates.io crate lightbeam 0.19.0
[INFO] tweaked toml for crates.io crate lightbeam 0.19.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate lightbeam 0.19.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.8.2
[INFO] [stderr]   Downloaded dynasm v0.5.2
[INFO] [stderr]   Downloaded gimli v0.21.0
[INFO] [stderr]   Downloaded more-asserts v0.2.1
[INFO] [stderr]   Downloaded smallvec v1.4.1
[INFO] [stderr]   Downloaded anyhow v1.0.31
[INFO] [stderr]   Downloaded syn v1.0.34
[INFO] [stderr]   Downloaded cranelift-codegen v0.66.0
[INFO] [stderr]   Downloaded derive_utils v0.10.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.66.0
[INFO] [stderr]   Downloaded cranelift-entity v0.66.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.66.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.66.0
[INFO] [stderr]   Downloaded capstone v0.6.0
[INFO] [stderr]   Downloaded dynasmrt v0.5.2
[INFO] [stderr]   Downloaded iter-enum v0.2.4
[INFO] [stderr]   Downloaded wast v21.0.0
[INFO] [stderr]   Downloaded regalloc v0.0.27
[INFO] [stderr]   Downloaded derive_more v0.99.9
[INFO] [stderr]   Downloaded staticvec v0.10.1
[INFO] [stderr]   Downloaded wasmparser v0.59.0
[INFO] [stderr]   Downloaded leb128 v0.2.4
[INFO] [stderr]   Downloaded wat v1.0.22
[INFO] [stderr]   Downloaded capstone-sys v0.10.0
[INFO] [stderr]   Downloaded target-lexicon v0.10.0
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5770bc2020ed554dcc2f658476c10bb209fe9c672e7380d5dd33f20df5f1ea3b
[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" "5770bc2020ed554dcc2f658476c10bb209fe9c672e7380d5dd33f20df5f1ea3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5770bc2020ed554dcc2f658476c10bb209fe9c672e7380d5dd33f20df5f1ea3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5770bc2020ed554dcc2f658476c10bb209fe9c672e7380d5dd33f20df5f1ea3b", kill_on_drop: false }`
[INFO] [stdout] 5770bc2020ed554dcc2f658476c10bb209fe9c672e7380d5dd33f20df5f1ea3b
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 759b93ec312664d30b16faa7eb6af7f104a37de0b75df851adc76a4f7adc1530
[INFO] running `Command { std: "docker" "start" "-a" "759b93ec312664d30b16faa7eb6af7f104a37de0b75df851adc76a4f7adc1530", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cranelift-entity v0.66.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.66.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking wasmparser v0.59.0
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking staticvec v0.10.1
[INFO] [stderr]    Compiling capstone-sys v0.10.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]     Checking cranelift-bforest v0.66.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.66.0
[INFO] [stderr]     Checking wast v21.0.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stdout] error[E0599]: no method named `get_mut` found for union `MaybeUninit<[T; N2]>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/staticvec-0.10.1/src/lib.rs:209:42
[INFO] [stdout]     |
[INFO] [stdout] 209 |             ptr::drop_in_place(forgotten.get_mut().get_unchecked_mut(N2.min(N)..N2));
[INFO] [stdout]     |                                          ^^^^^^^ method not found in `MaybeUninit<[T; N2]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read` found for union `MaybeUninit<[T; N]>` in the current scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/staticvec-0.10.1/src/lib.rs:1696:29
[INFO] [stdout]      |
[INFO] [stdout] 1696 |       unsafe { Ok(self.data.read()) }
[INFO] [stdout]      |                             ^^^^ method not found in `MaybeUninit<[T; N]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stdout] error[E0599]: no method named `get_mut` found for union `MaybeUninit<StaticVec<T, N1>>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/staticvec-0.10.1/src/trait_impls.rs:221:12
[INFO] [stdout]     |
[INFO] [stdout] 221 |           .get_mut()
[INFO] [stdout]     |            ^^^^^^^ method not found in `MaybeUninit<StaticVec<T, N1>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_mut` found for union `MaybeUninit<StaticVec<T, N1>>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/staticvec-0.10.1/src/trait_impls.rs:241:16
[INFO] [stdout]     |
[INFO] [stdout] 241 |               .get_mut()
[INFO] [stdout]     |                ^^^^^^^ method not found in `MaybeUninit<StaticVec<T, N1>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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 `staticvec`
[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" "759b93ec312664d30b16faa7eb6af7f104a37de0b75df851adc76a4f7adc1530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "759b93ec312664d30b16faa7eb6af7f104a37de0b75df851adc76a4f7adc1530", kill_on_drop: false }`
[INFO] [stdout] 759b93ec312664d30b16faa7eb6af7f104a37de0b75df851adc76a4f7adc1530