[INFO] fetching crate apache-avro-test-helper 0.16.0...
[INFO] checking apache-avro-test-helper-0.16.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate apache-avro-test-helper 0.16.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate apache-avro-test-helper 0.16.0 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 apache-avro-test-helper 0.16.0
[INFO] finished tweaking crates.io crate apache-avro-test-helper 0.16.0
[INFO] tweaked toml for crates.io crate apache-avro-test-helper 0.16.0 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 30 packages
[INFO] [stderr]       Adding color-backtrace v0.5.1 (latest: v0.6.1)
[INFO] [stderr]       Adding env_logger v0.10.2 (latest: v0.11.3)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded ref_thread_local v0.1.1
[INFO] [stderr]   Downloaded env_logger v0.10.2
[INFO] [stderr]   Downloaded color-backtrace v0.5.1
[INFO] [stderr]   Downloaded ctor v0.2.7
[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] 9a3a4cb14931be84dd716259197ab1999a708ef19e5eb1d82e6ab4ef02dd801a
[INFO] running `Command { std: "docker" "start" "-a" "9a3a4cb14931be84dd716259197ab1999a708ef19e5eb1d82e6ab4ef02dd801a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a3a4cb14931be84dd716259197ab1999a708ef19e5eb1d82e6ab4ef02dd801a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3a4cb14931be84dd716259197ab1999a708ef19e5eb1d82e6ab4ef02dd801a", kill_on_drop: false }`
[INFO] [stdout] 9a3a4cb14931be84dd716259197ab1999a708ef19e5eb1d82e6ab4ef02dd801a
[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] 4fd77be7c5a98c7835917b27224a022bdeff18df412e48715497f165a8c9a946
[INFO] running `Command { std: "docker" "start" "-a" "4fd77be7c5a98c7835917b27224a022bdeff18df412e48715497f165a8c9a946", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ref_thread_local v0.1.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling ctor v0.2.7
[INFO] [stderr]     Checking color-backtrace v0.5.1
[INFO] [stderr]     Checking apache-avro-test-helper v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `Command { std: "docker" "inspect" "4fd77be7c5a98c7835917b27224a022bdeff18df412e48715497f165a8c9a946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd77be7c5a98c7835917b27224a022bdeff18df412e48715497f165a8c9a946", kill_on_drop: false }`
[INFO] [stdout] 4fd77be7c5a98c7835917b27224a022bdeff18df412e48715497f165a8c9a946