[INFO] fetching crate polars-utils 0.35.4...
[INFO] checking polars-utils-0.35.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate polars-utils 0.35.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate polars-utils 0.35.4 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 polars-utils 0.35.4
[INFO] finished tweaking crates.io crate polars-utils 0.35.4
[INFO] tweaked toml for crates.io crate polars-utils 0.35.4 written to /workspace/builds/worker-0-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 40 packages
[INFO] [stderr]       Adding polars-error v0.35.4 (latest: v0.38.3)
[INFO] [stderr]       Adding sysinfo v0.29.11 (latest: v0.30.8)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 39f1be8ee5f4cc05e9626686437cde24441c336d890920061c059194e9e98432
[INFO] running `Command { std: "docker" "start" "-a" "39f1be8ee5f4cc05e9626686437cde24441c336d890920061c059194e9e98432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39f1be8ee5f4cc05e9626686437cde24441c336d890920061c059194e9e98432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f1be8ee5f4cc05e9626686437cde24441c336d890920061c059194e9e98432", kill_on_drop: false }`
[INFO] [stdout] 39f1be8ee5f4cc05e9626686437cde24441c336d890920061c059194e9e98432
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9add07ca25e401c7f3b73c84fa0315554b2ed3ae8388d4eed3a02742df00d00d
[INFO] running `Command { std: "docker" "start" "-a" "9add07ca25e401c7f3b73c84fa0315554b2ed3ae8388d4eed3a02742df00d00d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]    Compiling bytemuck_derive v1.6.0
[INFO] [stderr]    Compiling polars-utils v0.35.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking polars-error v0.35.4
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.98s
[INFO] running `Command { std: "docker" "inspect" "9add07ca25e401c7f3b73c84fa0315554b2ed3ae8388d4eed3a02742df00d00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9add07ca25e401c7f3b73c84fa0315554b2ed3ae8388d4eed3a02742df00d00d", kill_on_drop: false }`
[INFO] [stdout] 9add07ca25e401c7f3b73c84fa0315554b2ed3ae8388d4eed3a02742df00d00d