[INFO] fetching crate lockstitch 0.17.1...
[INFO] checking lockstitch-0.17.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate lockstitch 0.17.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate lockstitch 0.17.1 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 lockstitch 0.17.1
[INFO] finished tweaking crates.io crate lockstitch 0.17.1
[INFO] tweaked toml for crates.io crate lockstitch 0.17.1 written to /workspace/builds/worker-4-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 61 packages
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding pretty-hex v0.3.0 (latest: v0.4.1)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (latest: v3.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.9)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[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 expect-test v1.5.0
[INFO] [stderr]   Downloaded dissimilar v1.0.7
[INFO] [stderr]   Downloaded bolero-engine v0.10.2
[INFO] [stderr]   Downloaded sha2-asm v0.6.3
[INFO] [stderr]   Downloaded bolero-libfuzzer v0.10.0
[INFO] [stderr]   Downloaded bolero-generator-derive v0.10.0
[INFO] [stderr]   Downloaded bolero v0.10.1
[INFO] [stderr]   Downloaded bolero-generator v0.10.2
[INFO] [stderr]   Downloaded aegis v0.6.2
[INFO] [stderr]   Downloaded bolero-kani v0.10.0
[INFO] [stderr]   Downloaded softaes v0.1.3
[INFO] [stderr]   Downloaded bolero-afl v0.10.0
[INFO] [stderr]   Downloaded bolero-honggfuzz v0.10.0
[INFO] [stderr]   Downloaded cmov v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4a914fff7aa4c030bddd45dd3eeca30adad6b6cb50694df18af6118a480dff80
[INFO] running `Command { std: "docker" "start" "-a" "4a914fff7aa4c030bddd45dd3eeca30adad6b6cb50694df18af6118a480dff80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a914fff7aa4c030bddd45dd3eeca30adad6b6cb50694df18af6118a480dff80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a914fff7aa4c030bddd45dd3eeca30adad6b6cb50694df18af6118a480dff80", kill_on_drop: false }`
[INFO] [stdout] 4a914fff7aa4c030bddd45dd3eeca30adad6b6cb50694df18af6118a480dff80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 13acf7c1db10a87d159ce6fa2807ee26010fbfa42ccbe3d98823c27fbcff974d
[INFO] running `Command { std: "docker" "start" "-a" "13acf7c1db10a87d159ce6fa2807ee26010fbfa42ccbe3d98823c27fbcff974d", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling sha2-asm v0.6.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling aegis v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]     Checking softaes v0.1.3
[INFO] [stderr]     Checking cmov v0.3.1
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking dissimilar v1.0.7
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking expect-test v1.5.0
[INFO] [stderr]     Checking hex-literal v0.4.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking lockstitch v0.17.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling bolero-generator-derive v0.10.0
[INFO] [stderr]     Checking bolero-generator v0.10.2
[INFO] [stderr]     Checking bolero-engine v0.10.2
[INFO] [stderr]     Checking bolero v0.10.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `Command { std: "docker" "inspect" "13acf7c1db10a87d159ce6fa2807ee26010fbfa42ccbe3d98823c27fbcff974d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13acf7c1db10a87d159ce6fa2807ee26010fbfa42ccbe3d98823c27fbcff974d", kill_on_drop: false }`
[INFO] [stdout] 13acf7c1db10a87d159ce6fa2807ee26010fbfa42ccbe3d98823c27fbcff974d