[INFO] fetching crate coredump-to-stack 0.1.22...
[INFO] checking coredump-to-stack-0.1.22 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate coredump-to-stack 0.1.22 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate coredump-to-stack 0.1.22 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coredump-to-stack 0.1.22
[INFO] finished tweaking crates.io crate coredump-to-stack 0.1.22
[INFO] tweaked toml for crates.io crate coredump-to-stack 0.1.22 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 57 packages
[INFO] [stderr]       Adding env_logger v0.9.3 (latest: v0.11.3)
[INFO] [stderr]       Adding fallible-iterator v0.2.0 (latest: v0.3.0)
[INFO] [stderr]       Adding gimli v0.26.2 (latest: v0.28.1)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding object v0.29.0 (latest: v0.34.0)
[INFO] [stderr]       Adding wasmparser v0.57.0 (latest: v0.202.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-coredump-types v0.1.22
[INFO] [stderr]   Downloaded wasmgdb_ddbug_parser v0.3.3
[INFO] [stderr]   Downloaded wasm-coredump-encoder v0.1.22
[INFO] [stderr]   Downloaded wasm-printer v0.1.22
[INFO] [stderr]   Downloaded wasm-parser v0.1.22
[INFO] [stderr]   Downloaded wasmparser v0.57.0
[INFO] [stderr]   Downloaded core-wasm-ast v0.1.22
[INFO] [stderr]   Downloaded gimli v0.26.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0d6450e4d215bc2b100bf362c8c6cea35027d4da546f3ec436eeab999eab752
[INFO] running `Command { std: "docker" "start" "-a" "d0d6450e4d215bc2b100bf362c8c6cea35027d4da546f3ec436eeab999eab752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0d6450e4d215bc2b100bf362c8c6cea35027d4da546f3ec436eeab999eab752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d6450e4d215bc2b100bf362c8c6cea35027d4da546f3ec436eeab999eab752", kill_on_drop: false }`
[INFO] [stdout] d0d6450e4d215bc2b100bf362c8c6cea35027d4da546f3ec436eeab999eab752
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13991d02370d7912183aedf198a55dadb714e4173561e8b8c89b3ebdb9a22c3a
[INFO] running `Command { std: "docker" "start" "-a" "13991d02370d7912183aedf198a55dadb714e4173561e8b8c89b3ebdb9a22c3a", kill_on_drop: false }`
[INFO] [stderr]     Checking wasm-coredump-types v0.1.22
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking core-wasm-ast v0.1.22
[INFO] [stderr]     Checking wasm-coredump-encoder v0.1.22
[INFO] [stderr]     Checking wasm-printer v0.1.22
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking wasm-parser v0.1.22
[INFO] [stderr]     Checking wasmgdb_ddbug_parser v0.3.3
[INFO] [stderr]     Checking coredump-to-stack v0.1.22 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&wasmgdb_ddbug_parser::Function<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:150:55
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 new.insert(demangle(&k).to_string(), v.clone());
[INFO] [stdout]     |                                                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&wasmgdb_ddbug_parser::Function<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:150:55
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 new.insert(demangle(&k).to_string(), v.clone());
[INFO] [stdout]     |                                                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.19s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasmparser v0.57.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "13991d02370d7912183aedf198a55dadb714e4173561e8b8c89b3ebdb9a22c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13991d02370d7912183aedf198a55dadb714e4173561e8b8c89b3ebdb9a22c3a", kill_on_drop: false }`
[INFO] [stdout] 13991d02370d7912183aedf198a55dadb714e4173561e8b8c89b3ebdb9a22c3a