[INFO] fetching crate puzz 0.2.0...
[INFO] checking puzz-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate puzz 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate puzz 0.2.0 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 0.2.0
[INFO] finished tweaking crates.io crate puzz 0.2.0
[INFO] tweaked toml for crates.io crate puzz 0.2.0 written to /workspace/builds/worker-3-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]     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 143 packages
[INFO] [stderr]       Adding actix-multipart v0.4.0 (latest: v0.6.1)
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding h2 v0.3.26 (latest: v0.4.4)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding matchit v0.5.0 (latest: v0.8.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded puzz-service v0.1.0
[INFO] [stderr]   Downloaded puzz-sse v0.1.0
[INFO] [stderr]   Downloaded puzz-server v0.1.0
[INFO] [stderr]   Downloaded actix-multipart v0.4.0
[INFO] [stderr]   Downloaded puzz-multipart v0.1.0
[INFO] [stderr]   Downloaded puzz-http v0.1.0
[INFO] [stderr]   Downloaded puzz-middleware v0.1.0
[INFO] [stderr]   Downloaded puzz-route v0.1.0
[INFO] [stderr]   Downloaded puzz-core v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fc4133408a5ab5a00d84e477b2938e4209ad2f65002c6e4c58a61380f3e064d9
[INFO] running `Command { std: "docker" "start" "-a" "fc4133408a5ab5a00d84e477b2938e4209ad2f65002c6e4c58a61380f3e064d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc4133408a5ab5a00d84e477b2938e4209ad2f65002c6e4c58a61380f3e064d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc4133408a5ab5a00d84e477b2938e4209ad2f65002c6e4c58a61380f3e064d9", kill_on_drop: false }`
[INFO] [stdout] fc4133408a5ab5a00d84e477b2938e4209ad2f65002c6e4c58a61380f3e064d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 76d2664be912782c09515a533ecf9d7f020e8cf2ae86bf41fc0c5ec18b47b517
[INFO] running `Command { std: "docker" "start" "-a" "76d2664be912782c09515a533ecf9d7f020e8cf2ae86bf41fc0c5ec18b47b517", kill_on_drop: false }`
[INFO] [stderr]     Checking local-waker v0.1.4
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking puzz-http v0.1.0
[INFO] [stderr]     Checking actix-service v2.0.2
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking bytestring v1.3.1
[INFO] [stderr]     Checking language-tags v0.3.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking matchit v0.5.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking actix-utils v3.0.1
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking puzz-service v0.1.0
[INFO] [stderr]     Checking puzz-core v0.1.0
[INFO] [stderr]     Checking puzz-route v0.1.0
[INFO] [stderr]     Checking puzz-middleware v0.1.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking actix-rt v2.9.0
[INFO] [stderr]     Checking actix-server v2.3.0
[INFO] [stderr]     Checking actix-codec v0.5.2
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking actix-http v3.6.0
[INFO] [stderr]     Checking puzz-server v0.1.0
[INFO] [stderr]     Checking puzz v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.33s
[INFO] running `Command { std: "docker" "inspect" "76d2664be912782c09515a533ecf9d7f020e8cf2ae86bf41fc0c5ec18b47b517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76d2664be912782c09515a533ecf9d7f020e8cf2ae86bf41fc0c5ec18b47b517", kill_on_drop: false }`
[INFO] [stdout] 76d2664be912782c09515a533ecf9d7f020e8cf2ae86bf41fc0c5ec18b47b517
[INFO] checking puzz-0.2.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate puzz 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate puzz 0.2.0 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 0.2.0
[INFO] finished tweaking crates.io crate puzz 0.2.0
[INFO] tweaked toml for crates.io crate puzz 0.2.0 written to /workspace/builds/worker-3-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]     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 143 packages
[INFO] [stderr]       Adding actix-multipart v0.4.0 (latest: v0.6.1)
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding h2 v0.3.26 (latest: v0.4.4)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding matchit v0.5.0 (latest: v0.8.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] aaad376082e47f7a7f05fd792f32e88bd6b9205d021128043c4ec3df32e6fff4
[INFO] running `Command { std: "docker" "start" "-a" "aaad376082e47f7a7f05fd792f32e88bd6b9205d021128043c4ec3df32e6fff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaad376082e47f7a7f05fd792f32e88bd6b9205d021128043c4ec3df32e6fff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaad376082e47f7a7f05fd792f32e88bd6b9205d021128043c4ec3df32e6fff4", kill_on_drop: false }`
[INFO] [stdout] aaad376082e47f7a7f05fd792f32e88bd6b9205d021128043c4ec3df32e6fff4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2de2d7eb10387c3f76790a7fa8a350874928d73e956dafa6637788438b1c10e0
[INFO] running `Command { std: "docker" "start" "-a" "2de2d7eb10387c3f76790a7fa8a350874928d73e956dafa6637788438b1c10e0", kill_on_drop: false }`
[INFO] [stderr]     Checking local-waker v0.1.4
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking puzz-http v0.1.0
[INFO] [stderr]     Checking bytestring v1.3.1
[INFO] [stderr]     Checking actix-service v2.0.2
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking language-tags v0.3.2
[INFO] [stderr]     Checking matchit v0.5.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking actix-utils v3.0.1
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking puzz-service v0.1.0
[INFO] [stderr]     Checking puzz-core v0.1.0
[INFO] [stderr]     Checking puzz-middleware v0.1.0
[INFO] [stderr]     Checking puzz-route v0.1.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking actix-rt v2.9.0
[INFO] [stderr]     Checking actix-server v2.3.0
[INFO] [stderr]     Checking actix-codec v0.5.2
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking actix-http v3.6.0
[INFO] [stderr]     Checking puzz-server v0.1.0
[INFO] [stderr]     Checking puzz v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.70s
[INFO] running `Command { std: "docker" "inspect" "2de2d7eb10387c3f76790a7fa8a350874928d73e956dafa6637788438b1c10e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2de2d7eb10387c3f76790a7fa8a350874928d73e956dafa6637788438b1c10e0", kill_on_drop: false }`
[INFO] [stdout] 2de2d7eb10387c3f76790a7fa8a350874928d73e956dafa6637788438b1c10e0