[INFO] fetching crate puzz-route 0.1.0...
[INFO] checking puzz-route-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate puzz-route 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate puzz-route 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate puzz-route 0.1.0
[INFO] finished tweaking crates.io crate puzz-route 0.1.0
[INFO] tweaked toml for crates.io crate puzz-route 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding matchit v0.5.0 (latest: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded puzz-core v0.1.0
[INFO] [stderr]   Downloaded puzz-http v0.1.0
[INFO] [stderr]   Downloaded matchit v0.5.0
[INFO] [stderr]   Downloaded puzz-service v0.1.0
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fffa1a58138e7fed013a26302ccff180c8bad5bcb3e0e2f0414f97466b57fd7
[INFO] running `Command { std: "docker" "start" "-a" "3fffa1a58138e7fed013a26302ccff180c8bad5bcb3e0e2f0414f97466b57fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fffa1a58138e7fed013a26302ccff180c8bad5bcb3e0e2f0414f97466b57fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fffa1a58138e7fed013a26302ccff180c8bad5bcb3e0e2f0414f97466b57fd7", kill_on_drop: false }`
[INFO] [stdout] 3fffa1a58138e7fed013a26302ccff180c8bad5bcb3e0e2f0414f97466b57fd7
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97ec29e230098cd35201cc0ee1765ef3a029523fffa8c5fdf7fcdb2acd4430d7
[INFO] running `Command { std: "docker" "start" "-a" "97ec29e230098cd35201cc0ee1765ef3a029523fffa8c5fdf7fcdb2acd4430d7", kill_on_drop: false }`
[INFO] [stderr]     Checking matchit v0.5.0
[INFO] [stderr]     Checking puzz-http v0.1.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking puzz-service v0.1.0
[INFO] [stderr]     Checking puzz-core v0.1.0
[INFO] [stderr]     Checking puzz-route v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `Command { std: "docker" "inspect" "97ec29e230098cd35201cc0ee1765ef3a029523fffa8c5fdf7fcdb2acd4430d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ec29e230098cd35201cc0ee1765ef3a029523fffa8c5fdf7fcdb2acd4430d7", kill_on_drop: false }`
[INFO] [stdout] 97ec29e230098cd35201cc0ee1765ef3a029523fffa8c5fdf7fcdb2acd4430d7
[INFO] checking puzz-route-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate puzz-route 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate puzz-route 0.1.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate puzz-route 0.1.0
[INFO] finished tweaking crates.io crate puzz-route 0.1.0
[INFO] tweaked toml for crates.io crate puzz-route 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding matchit v0.5.0 (latest: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b66447ea19dd5f8702fa5a34d4a5066839f8f53d54200ac526aa94e2deebc8a5
[INFO] running `Command { std: "docker" "start" "-a" "b66447ea19dd5f8702fa5a34d4a5066839f8f53d54200ac526aa94e2deebc8a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b66447ea19dd5f8702fa5a34d4a5066839f8f53d54200ac526aa94e2deebc8a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66447ea19dd5f8702fa5a34d4a5066839f8f53d54200ac526aa94e2deebc8a5", kill_on_drop: false }`
[INFO] [stdout] b66447ea19dd5f8702fa5a34d4a5066839f8f53d54200ac526aa94e2deebc8a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a7e085455984965e6086940599b6bb0d0104dfb5c58c17ad217b8ed0ccc510d
[INFO] running `Command { std: "docker" "start" "-a" "8a7e085455984965e6086940599b6bb0d0104dfb5c58c17ad217b8ed0ccc510d", kill_on_drop: false }`
[INFO] [stderr]     Checking matchit v0.5.0
[INFO] [stderr]     Checking puzz-http v0.1.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking puzz-service v0.1.0
[INFO] [stderr]     Checking puzz-core v0.1.0
[INFO] [stderr]     Checking puzz-route v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "8a7e085455984965e6086940599b6bb0d0104dfb5c58c17ad217b8ed0ccc510d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a7e085455984965e6086940599b6bb0d0104dfb5c58c17ad217b8ed0ccc510d", kill_on_drop: false }`
[INFO] [stdout] 8a7e085455984965e6086940599b6bb0d0104dfb5c58c17ad217b8ed0ccc510d