[INFO] fetching crate fera-ext 0.2.0...
[INFO] checking fera-ext-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate fera-ext 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate fera-ext 0.2.0 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 fera-ext 0.2.0
[INFO] finished tweaking crates.io crate fera-ext 0.2.0
[INFO] tweaked toml for crates.io crate fera-ext 0.2.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages
[INFO] [stderr]       Adding bitflags v0.9.1 (latest: v2.5.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding idna v0.1.5 (latest: v0.5.0)
[INFO] [stderr]       Adding itertools v0.7.11 (latest: v0.12.1)
[INFO] [stderr]       Adding percent-encoding v1.0.1 (latest: v2.3.1)
[INFO] [stderr]       Adding pulldown-cmark v0.1.2 (latest: v0.10.2)
[INFO] [stderr]       Adding quote v0.3.15 (latest: v1.0.35)
[INFO] [stderr]       Adding rand v0.5.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding syn v0.11.11 (latest: v2.0.58)
[INFO] [stderr]       Adding toml v0.4.10 (latest: v0.8.12)
[INFO] [stderr]       Adding unicode-xid v0.0.4 (latest: v0.2.4)
[INFO] [stderr]       Adding url v1.7.2 (latest: v2.5.0)
[INFO] [stderr]       Adding version-sync v0.5.0 (latest: v0.9.5)
[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 version-sync v0.5.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.1.2
[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] bb827f88457529b7372a6661542b2ca9a897762d0c158a03e413095f580258a5
[INFO] running `Command { std: "docker" "start" "-a" "bb827f88457529b7372a6661542b2ca9a897762d0c158a03e413095f580258a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb827f88457529b7372a6661542b2ca9a897762d0c158a03e413095f580258a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb827f88457529b7372a6661542b2ca9a897762d0c158a03e413095f580258a5", kill_on_drop: false }`
[INFO] [stdout] bb827f88457529b7372a6661542b2ca9a897762d0c158a03e413095f580258a5
[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] c3785d82a97f364c8a64bb69e891f0ff204fd8db14801638207ea255e85a39fd
[INFO] running `Command { std: "docker" "start" "-a" "c3785d82a97f364c8a64bb69e891f0ff204fd8db14801638207ea255e85a39fd", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking synom v0.11.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking fera-ext v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking version-sync v0.5.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `Command { std: "docker" "inspect" "c3785d82a97f364c8a64bb69e891f0ff204fd8db14801638207ea255e85a39fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3785d82a97f364c8a64bb69e891f0ff204fd8db14801638207ea255e85a39fd", kill_on_drop: false }`
[INFO] [stdout] c3785d82a97f364c8a64bb69e891f0ff204fd8db14801638207ea255e85a39fd