[INFO] fetching crate exon-test 0.3.4-beta.9...
[INFO] checking exon-test-0.3.4-beta.9 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate exon-test 0.3.4-beta.9 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate exon-test 0.3.4-beta.9 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 exon-test 0.3.4-beta.9
[INFO] finished tweaking crates.io crate exon-test 0.3.4-beta.9
[INFO] tweaked toml for crates.io crate exon-test 0.3.4-beta.9 written to /workspace/builds/worker-6-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 245 packages
[INFO] [stderr]       Adding arrow v46.0.0 (latest: v51.0.0)
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[INFO] [stderr]       Adding itertools v0.11.0 (latest: v0.12.1)
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[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
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[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
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[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
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[INFO] [stderr]       Adding zstd v0.12.4 (latest: v0.13.1)
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[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 arrow-schema v46.0.0
[INFO] [stderr]   Downloaded arrow-select v46.0.0
[INFO] [stderr]   Downloaded arrow-data v46.0.0
[INFO] [stderr]   Downloaded datafusion-execution v31.0.0
[INFO] [stderr]   Downloaded arrow-csv v46.0.0
[INFO] [stderr]   Downloaded arrow-arith v46.0.0
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[INFO] [stderr]   Downloaded arrow-string v46.0.0
[INFO] [stderr]   Downloaded arrow-json v46.0.0
[INFO] [stderr]   Downloaded arrow-ord v46.0.0
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[INFO] [stderr]   Downloaded datafusion-optimizer v31.0.0
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[INFO] [stderr]   Downloaded datafusion-common v31.0.0
[INFO] [stderr]   Downloaded datafusion-sql v31.0.0
[INFO] [stderr]   Downloaded arrow-cast v46.0.0
[INFO] [stderr]   Downloaded arrow-ipc v46.0.0
[INFO] [stderr]   Downloaded arrow-array v46.0.0
[INFO] [stderr]   Downloaded sqlparser v0.37.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6d347cd54f0ed31716bfd5741914cf83b68999aeaad1428e3aee91daef151d76
[INFO] running `Command { std: "docker" "start" "-a" "6d347cd54f0ed31716bfd5741914cf83b68999aeaad1428e3aee91daef151d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d347cd54f0ed31716bfd5741914cf83b68999aeaad1428e3aee91daef151d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d347cd54f0ed31716bfd5741914cf83b68999aeaad1428e3aee91daef151d76", kill_on_drop: false }`
[INFO] [stdout] 6d347cd54f0ed31716bfd5741914cf83b68999aeaad1428e3aee91daef151d76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c00b19e98a5de329cbe2ddb82978bce31e9ed36d45921ee7e8e043b2c0bdfa81
[INFO] running `Command { std: "docker" "start" "-a" "c00b19e98a5de329cbe2ddb82978bce31e9ed36d45921ee7e8e043b2c0bdfa81", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
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[INFO] [stderr]     Checking datafusion v31.0.0
[INFO] [stderr]     Checking exon-test v0.3.4-beta.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.85s
[INFO] running `Command { std: "docker" "inspect" "c00b19e98a5de329cbe2ddb82978bce31e9ed36d45921ee7e8e043b2c0bdfa81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c00b19e98a5de329cbe2ddb82978bce31e9ed36d45921ee7e8e043b2c0bdfa81", kill_on_drop: false }`
[INFO] [stdout] c00b19e98a5de329cbe2ddb82978bce31e9ed36d45921ee7e8e043b2c0bdfa81