[INFO] fetching crate smtlib-build-util 0.1.0...
[INFO] checking smtlib-build-util-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate smtlib-build-util 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate smtlib-build-util 0.1.0 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 smtlib-build-util 0.1.0
[INFO] finished tweaking crates.io crate smtlib-build-util 0.1.0
[INFO] tweaked toml for crates.io crate smtlib-build-util 0.1.0 written to /workspace/builds/worker-2-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 55 packages
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding miette v5.10.0 (latest: v7.2.0)
[INFO] [stderr]       Adding miette-derive v5.10.0 (latest: v7.2.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding owo-colors v3.5.0 (latest: v4.0.0)
[INFO] [stderr]       Adding supports-color v2.1.0 (latest: v3.0.0)
[INFO] [stderr]       Adding supports-hyperlinks v2.1.0 (latest: v3.0.0)
[INFO] [stderr]       Adding supports-unicode v2.1.0 (latest: v3.0.0)
[INFO] [stderr]       Adding terminal_size v0.1.17 (latest: v0.3.0)
[INFO] [stderr]       Adding textwrap v0.15.2 (latest: v0.16.1)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.12)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6613311741f15f64c879ffc17370ad1d0d8f14334350f2fe4fd0ff273164ac21
[INFO] running `Command { std: "docker" "start" "-a" "6613311741f15f64c879ffc17370ad1d0d8f14334350f2fe4fd0ff273164ac21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6613311741f15f64c879ffc17370ad1d0d8f14334350f2fe4fd0ff273164ac21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6613311741f15f64c879ffc17370ad1d0d8f14334350f2fe4fd0ff273164ac21", kill_on_drop: false }`
[INFO] [stdout] 6613311741f15f64c879ffc17370ad1d0d8f14334350f2fe4fd0ff273164ac21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 00fd406ff2bc61f677555dc86d1d22273ad0c0f4ec904518b728c870bb0853e5
[INFO] running `Command { std: "docker" "start" "-a" "00fd406ff2bc61f677555dc86d1d22273ad0c0f4ec904518b728c870bb0853e5", kill_on_drop: false }`
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking supports-hyperlinks v2.1.0
[INFO] [stderr]     Checking supports-unicode v2.1.0
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking supports-color v2.1.0
[INFO] [stderr]     Checking textwrap v0.15.2
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]     Checking miette v5.10.0
[INFO] [stderr]     Checking smtlib-build-util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "00fd406ff2bc61f677555dc86d1d22273ad0c0f4ec904518b728c870bb0853e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00fd406ff2bc61f677555dc86d1d22273ad0c0f4ec904518b728c870bb0853e5", kill_on_drop: false }`
[INFO] [stdout] 00fd406ff2bc61f677555dc86d1d22273ad0c0f4ec904518b728c870bb0853e5