[INFO] fetching crate bolero-honggfuzz 0.10.0...
[INFO] checking bolero-honggfuzz-0.10.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate bolero-honggfuzz 0.10.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate bolero-honggfuzz 0.10.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bolero-honggfuzz 0.10.0
[INFO] finished tweaking crates.io crate bolero-honggfuzz 0.10.0
[INFO] tweaked toml for crates.io crate bolero-honggfuzz 0.10.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages
[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 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bolero-engine v0.10.2
[INFO] [stderr]   Downloaded bolero-generator v0.10.2
[INFO] [stderr]   Downloaded pretty-hex v0.3.0
[INFO] [stderr]   Downloaded bolero-generator-derive v0.10.0
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 068a76513f3170da31e9d5762ff8040b161f970dbc522810775808608c1b3b40
[INFO] running `Command { std: "docker" "start" "-a" "068a76513f3170da31e9d5762ff8040b161f970dbc522810775808608c1b3b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "068a76513f3170da31e9d5762ff8040b161f970dbc522810775808608c1b3b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068a76513f3170da31e9d5762ff8040b161f970dbc522810775808608c1b3b40", kill_on_drop: false }`
[INFO] [stdout] 068a76513f3170da31e9d5762ff8040b161f970dbc522810775808608c1b3b40
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08bf4ff5e58057ade0dd7a732106e0352c1758287637d830857dfddb23758b9a
[INFO] running `Command { std: "docker" "start" "-a" "08bf4ff5e58057ade0dd7a732106e0352c1758287637d830857dfddb23758b9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking pretty-hex v0.3.0
[INFO] [stderr]    Compiling bolero-honggfuzz v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking object v0.32.2
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.11s
[INFO] running `Command { std: "docker" "inspect" "08bf4ff5e58057ade0dd7a732106e0352c1758287637d830857dfddb23758b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08bf4ff5e58057ade0dd7a732106e0352c1758287637d830857dfddb23758b9a", kill_on_drop: false }`
[INFO] [stdout] 08bf4ff5e58057ade0dd7a732106e0352c1758287637d830857dfddb23758b9a
[INFO] checking bolero-honggfuzz-0.10.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate bolero-honggfuzz 0.10.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate bolero-honggfuzz 0.10.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bolero-honggfuzz 0.10.0
[INFO] finished tweaking crates.io crate bolero-honggfuzz 0.10.0
[INFO] tweaked toml for crates.io crate bolero-honggfuzz 0.10.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages
[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 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 847f1262182c0a6c8dd04f8498f7b2821b220b300b5e8020aec089dc3fb292a0
[INFO] running `Command { std: "docker" "start" "-a" "847f1262182c0a6c8dd04f8498f7b2821b220b300b5e8020aec089dc3fb292a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "847f1262182c0a6c8dd04f8498f7b2821b220b300b5e8020aec089dc3fb292a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847f1262182c0a6c8dd04f8498f7b2821b220b300b5e8020aec089dc3fb292a0", kill_on_drop: false }`
[INFO] [stdout] 847f1262182c0a6c8dd04f8498f7b2821b220b300b5e8020aec089dc3fb292a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b589410e1426fa93555899089d7588fbab72fb7ed2e83a2402b275a7f958a2c
[INFO] running `Command { std: "docker" "start" "-a" "6b589410e1426fa93555899089d7588fbab72fb7ed2e83a2402b275a7f958a2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking pretty-hex v0.3.0
[INFO] [stderr]    Compiling bolero-honggfuzz v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking object v0.32.2
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `Command { std: "docker" "inspect" "6b589410e1426fa93555899089d7588fbab72fb7ed2e83a2402b275a7f958a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b589410e1426fa93555899089d7588fbab72fb7ed2e83a2402b275a7f958a2c", kill_on_drop: false }`
[INFO] [stdout] 6b589410e1426fa93555899089d7588fbab72fb7ed2e83a2402b275a7f958a2c