[INFO] fetching crate wasm-reader 0.2.0... [INFO] checking wasm-reader-0.2.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] extracting crate wasm-reader 0.2.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate wasm-reader 0.2.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] db16a461f204130c65803c60895ce2a2622be050add66b06d3109cf4ff92b7a8 [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" "db16a461f204130c65803c60895ce2a2622be050add66b06d3109cf4ff92b7a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db16a461f204130c65803c60895ce2a2622be050add66b06d3109cf4ff92b7a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db16a461f204130c65803c60895ce2a2622be050add66b06d3109cf4ff92b7a8", kill_on_drop: false }` [INFO] [stdout] db16a461f204130c65803c60895ce2a2622be050add66b06d3109cf4ff92b7a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d5ffcf0ea98c16658c018fe7f022250d4767597cfc95ef7315ee21d733e5ad4 [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" "5d5ffcf0ea98c16658c018fe7f022250d4767597cfc95ef7315ee21d733e5ad4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking frunk_core v0.3.1 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling auto_enums_derive v0.7.11 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Compiling syn v1.0.57 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking backtrace v0.3.55 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking wasm-reader-traits v0.1.1 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling derive_utils v0.11.1 [INFO] [stderr] Compiling derive_utils v0.9.1 [INFO] [stderr] Compiling auto_enums_core v0.7.11 [INFO] [stderr] Compiling derive-parse v0.1.0 [INFO] [stderr] Compiling derive_more v0.99.11 [INFO] [stderr] Compiling quickcheck_macros v0.9.1 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking auto_enums v0.7.11 [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] = help: consider using `min_specialization` instead, which is more stable and complete [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] = help: consider using `min_specialization` instead, which is more stable and complete [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 1m 01s [INFO] running `Command { std: "docker" "inspect" "5d5ffcf0ea98c16658c018fe7f022250d4767597cfc95ef7315ee21d733e5ad4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d5ffcf0ea98c16658c018fe7f022250d4767597cfc95ef7315ee21d733e5ad4", kill_on_drop: false }` [INFO] [stdout] 5d5ffcf0ea98c16658c018fe7f022250d4767597cfc95ef7315ee21d733e5ad4