[INFO] fetching crate does-it-json 0.0.4... [INFO] checking does-it-json-0.0.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate does-it-json 0.0.4 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate does-it-json 0.0.4 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 does-it-json 0.0.4 [INFO] finished tweaking crates.io crate does-it-json 0.0.4 [INFO] tweaked toml for crates.io crate does-it-json 0.0.4 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 37 packages [INFO] [stderr] Adding encode_unicode v0.3.6 (latest: v1.0.0) [INFO] [stderr] Adding regress v0.4.1 (latest: v0.9.1) [INFO] [stderr] Adding serde_derive_internals v0.26.0 (latest: v0.29.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [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 newline-converter v0.3.0 [INFO] [stderr] Downloaded expectorate v1.1.0 [INFO] [stderr] Downloaded regress v0.4.1 [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] 2bb1bb5c2f837406242de87fef62b3cdee51741041e31016a7c3a788c7928e1f [INFO] running `Command { std: "docker" "start" "-a" "2bb1bb5c2f837406242de87fef62b3cdee51741041e31016a7c3a788c7928e1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2bb1bb5c2f837406242de87fef62b3cdee51741041e31016a7c3a788c7928e1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2bb1bb5c2f837406242de87fef62b3cdee51741041e31016a7c3a788c7928e1f", kill_on_drop: false }` [INFO] [stdout] 2bb1bb5c2f837406242de87fef62b3cdee51741041e31016a7c3a788c7928e1f [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] 710520ab113d7076a72eec4bb43084ea25a7e1e3c2a89764c7b8f8bc1aa7b8a7 [INFO] running `Command { std: "docker" "start" "-a" "710520ab113d7076a72eec4bb43084ea25a7e1e3c2a89764c7b8f8bc1aa7b8a7", kill_on_drop: false }` [INFO] [stderr] Checking similar v2.5.0 [INFO] [stderr] Checking newline-converter v0.3.0 [INFO] [stderr] Checking regress v0.4.1 [INFO] [stderr] Checking console v0.15.8 [INFO] [stderr] Checking schemars v0.8.16 [INFO] [stderr] Checking expectorate v1.1.0 [INFO] [stderr] Checking does-it-json v0.0.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `Command { std: "docker" "inspect" "710520ab113d7076a72eec4bb43084ea25a7e1e3c2a89764c7b8f8bc1aa7b8a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "710520ab113d7076a72eec4bb43084ea25a7e1e3c2a89764c7b8f8bc1aa7b8a7", kill_on_drop: false }` [INFO] [stdout] 710520ab113d7076a72eec4bb43084ea25a7e1e3c2a89764c7b8f8bc1aa7b8a7