[INFO] fetching crate wasm-reader 0.2.0... [INFO] checking wasm-reader-0.2.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate wasm-reader 0.2.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate wasm-reader 0.2.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate wasm-reader 0.2.0 [INFO] finished tweaking crates.io crate wasm-reader 0.2.0 [INFO] tweaked toml for crates.io crate wasm-reader 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded auto_enums_core v0.7.7 [INFO] [stderr] Downloaded derive-parse v0.1.0 [INFO] [stderr] Downloaded auto_enums v0.7.7 [INFO] [stderr] Downloaded derive_utils v0.9.1 [INFO] [stderr] Downloaded auto_enums_derive v0.7.7 [INFO] [stderr] Downloaded wasm-reader-traits v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 0c2320286b2995e0e2214f8443dfaee252a40c01f66ff9a1c37d4551bc0900d1 [INFO] running `Command { std: "docker" "start" "-a" "0c2320286b2995e0e2214f8443dfaee252a40c01f66ff9a1c37d4551bc0900d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c2320286b2995e0e2214f8443dfaee252a40c01f66ff9a1c37d4551bc0900d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c2320286b2995e0e2214f8443dfaee252a40c01f66ff9a1c37d4551bc0900d1", kill_on_drop: false }` [INFO] [stdout] 0c2320286b2995e0e2214f8443dfaee252a40c01f66ff9a1c37d4551bc0900d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 929d1e0b110773539da913e6b2da12723ea78d68cf9756878f97c369cceb0b6e [INFO] running `Command { std: "docker" "start" "-a" "929d1e0b110773539da913e6b2da12723ea78d68cf9756878f97c369cceb0b6e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Compiling auto_enums_derive v0.7.7 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking object v0.20.0 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Checking frunk_core v0.3.1 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stderr] Checking addr2line v0.13.0 [INFO] [stderr] Checking wasm-reader-traits v0.1.1 [INFO] [stderr] Checking backtrace v0.3.51 [INFO] [stderr] Compiling derive_utils v0.10.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling derive_utils v0.9.1 [INFO] [stderr] Compiling auto_enums_core v0.7.7 [INFO] [stderr] Compiling derive_more v0.99.11 [INFO] [stderr] Compiling derive-parse v0.1.0 [INFO] [stderr] Compiling quickcheck_macros v0.9.1 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking auto_enums v0.7.7 [INFO] [stderr] Checking wasm-reader v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:47 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(never_type, type_alias_impl_trait, specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:47 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(never_type, type_alias_impl_trait, specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/vec.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn len(&self) -> u32 { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/vec.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn len(&self) -> u32 { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 56.95s [INFO] running `Command { std: "docker" "inspect" "929d1e0b110773539da913e6b2da12723ea78d68cf9756878f97c369cceb0b6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "929d1e0b110773539da913e6b2da12723ea78d68cf9756878f97c369cceb0b6e", kill_on_drop: false }` [INFO] [stdout] 929d1e0b110773539da913e6b2da12723ea78d68cf9756878f97c369cceb0b6e