[INFO] fetching crate wasmtime-jit 0.21.0...
[INFO] checking wasmtime-jit-0.21.0 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] extracting crate wasmtime-jit 0.21.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate wasmtime-jit 0.21.0 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmtime-jit 0.21.0
[INFO] finished tweaking crates.io crate wasmtime-jit 0.21.0
[INFO] tweaked toml for crates.io crate wasmtime-jit 0.21.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmtime-lightbeam v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "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] 4e47f0d5dc8e565b0f904162f5bf2b07b6d4682eba31d2abd480ef1afea6fb61
[INFO] running `Command { std: "docker" "start" "-a" "4e47f0d5dc8e565b0f904162f5bf2b07b6d4682eba31d2abd480ef1afea6fb61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e47f0d5dc8e565b0f904162f5bf2b07b6d4682eba31d2abd480ef1afea6fb61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e47f0d5dc8e565b0f904162f5bf2b07b6d4682eba31d2abd480ef1afea6fb61", kill_on_drop: false }`
[INFO] [stdout] 4e47f0d5dc8e565b0f904162f5bf2b07b6d4682eba31d2abd480ef1afea6fb61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "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] e69f651667d566523b422365670657b07cf48570b5683a30bf8fb79c6442a619
[INFO] running `Command { std: "docker" "start" "-a" "e69f651667d566523b422365670657b07cf48570b5683a30bf8fb79c6442a619", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.68.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling target-lexicon v0.11.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking wasmparser v0.65.0
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling psm v0.1.12
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling wasmtime-runtime v0.21.0
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking cranelift-entity v0.68.0
[INFO] [stderr]     Checking cranelift-bforest v0.68.0
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.68.0
[INFO] [stderr]    Compiling cranelift-codegen v0.68.0
[INFO] [stderr]     Checking cranelift-frontend v0.68.0
[INFO] [stderr]     Checking cranelift-native v0.68.0
[INFO] [stderr]     Checking cranelift-wasm v0.68.0
[INFO] [stderr]     Checking wasmtime-environ v0.21.0
[INFO] [stderr]     Checking wasmtime-debug v0.21.0
[INFO] [stderr]     Checking wasmtime-cranelift v0.21.0
[INFO] [stderr]     Checking wasmtime-profiling v0.21.0
[INFO] [stderr]     Checking wasmtime-obj v0.21.0
[INFO] [stderr]     Checking wasmtime-jit v0.21.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/link.rs:135:38
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn to_libcall_address(name: &str) -> Option<usize> {
[INFO] [stdout]     |    ------------------                ^^^^^^^^^^^^^ expected enum `std::option::Option`, found `()`
[INFO] [stdout]     |    |
[INFO] [stdout]     |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] ...
[INFO] [stdout] 150 |     for_each_libcall!(add_libcall_symbol)
[INFO] [stdout]     |                                         - help: consider removing this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `std::option::Option<usize>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/link.rs:135:38
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn to_libcall_address(name: &str) -> Option<usize> {
[INFO] [stdout]     |    ------------------                ^^^^^^^^^^^^^ expected enum `std::option::Option`, found `()`
[INFO] [stdout]     |    |
[INFO] [stdout]     |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] ...
[INFO] [stdout] 150 |     for_each_libcall!(add_libcall_symbol)
[INFO] [stdout]     |                                         - help: consider removing this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `std::option::Option<usize>`
[INFO] [stdout]             found unit type `()`
[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 E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasmtime-jit`
[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 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e69f651667d566523b422365670657b07cf48570b5683a30bf8fb79c6442a619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69f651667d566523b422365670657b07cf48570b5683a30bf8fb79c6442a619", kill_on_drop: false }`
[INFO] [stdout] e69f651667d566523b422365670657b07cf48570b5683a30bf8fb79c6442a619