[INFO] fetching crate wiggle 0.28.0...
[INFO] checking wiggle-0.28.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate wiggle 0.28.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate wiggle 0.28.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wiggle 0.28.0
[INFO] removed 3 missing tests
[INFO] finished tweaking crates.io crate wiggle 0.28.0
[INFO] tweaked toml for crates.io crate wiggle 0.28.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.75.0
[INFO] [stderr]   Downloaded wiggle-macro v0.28.0
[INFO] [stderr]   Downloaded rand_xorshift v0.3.0
[INFO] [stderr]   Downloaded quick-error v2.0.1
[INFO] [stderr]   Downloaded cranelift-entity v0.75.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.75.0
[INFO] [stderr]   Downloaded wasmtime-jit v0.28.0
[INFO] [stderr]   Downloaded wasmtime-obj v0.28.0
[INFO] [stderr]   Downloaded target-lexicon v0.12.1
[INFO] [stderr]   Downloaded cranelift-native v0.75.0
[INFO] [stderr]   Downloaded proptest v1.0.0
[INFO] [stderr]   Downloaded wasmtime-profiling v0.28.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.75.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.75.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.75.0
[INFO] [stderr]   Downloaded wasmtime-cranelift v0.28.0
[INFO] [stderr]   Downloaded wasmtime-debug v0.28.0
[INFO] [stderr]   Downloaded wasmtime-environ v0.28.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.75.0
[INFO] [stderr]   Downloaded wasmtime-fiber v0.28.0
[INFO] [stderr]   Downloaded wasmtime-runtime v0.28.0
[INFO] [stderr]   Downloaded wasmtime v0.28.0
[INFO] [stderr]   Downloaded cpp_demangle v0.3.3
[INFO] [stderr]   Downloaded rusty-fork v0.3.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b5f209e708d2cc754b67705da11bea9f441cf0d0152149a664302cdeec30fbb
[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" "9b5f209e708d2cc754b67705da11bea9f441cf0d0152149a664302cdeec30fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b5f209e708d2cc754b67705da11bea9f441cf0d0152149a664302cdeec30fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5f209e708d2cc754b67705da11bea9f441cf0d0152149a664302cdeec30fbb", kill_on_drop: false }`
[INFO] [stdout] 9b5f209e708d2cc754b67705da11bea9f441cf0d0152149a664302cdeec30fbb
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18c0ba046f0f9420b7a940da417e99a741d2267757cc59dfb41f130ee28980fd
[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" "18c0ba046f0f9420b7a940da417e99a741d2267757cc59dfb41f130ee28980fd", kill_on_drop: false }`
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking wasmparser v0.78.2
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling cpp_demangle v0.3.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling wasmtime-runtime v0.28.0
[INFO] [stderr]    Compiling psm v0.1.13
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cranelift-codegen v0.75.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling wast v35.0.2
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling shellexpand v2.1.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]    Compiling witx v0.9.1
[INFO] [stderr]    Compiling wiggle-generate v0.28.0
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]    Compiling wiggle-macro v0.28.0
[INFO] [stderr]     Checking cranelift-entity v0.75.0
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]     Checking cranelift-codegen-shared v0.75.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking cranelift-bforest v0.75.0
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking backtrace v0.3.60
[INFO] [stderr]     Checking cranelift-frontend v0.75.0
[INFO] [stderr]     Checking cranelift-native v0.75.0
[INFO] [stderr]     Checking cranelift-wasm v0.75.0
[INFO] [stderr]     Checking wasmtime-environ v0.28.0
[INFO] [stderr]     Checking wasmtime-debug v0.28.0
[INFO] [stderr]     Checking wasmtime-cranelift v0.28.0
[INFO] [stderr]     Checking wasmtime-obj v0.28.0
[INFO] [stderr]     Checking wasmtime-profiling v0.28.0
[INFO] [stderr]     Checking wasmtime-jit v0.28.0
[INFO] [stderr]     Checking wasmtime v0.28.0
[INFO] [stderr]     Checking wiggle v0.28.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `Command { std: "docker" "inspect" "18c0ba046f0f9420b7a940da417e99a741d2267757cc59dfb41f130ee28980fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18c0ba046f0f9420b7a940da417e99a741d2267757cc59dfb41f130ee28980fd", kill_on_drop: false }`
[INFO] [stdout] 18c0ba046f0f9420b7a940da417e99a741d2267757cc59dfb41f130ee28980fd