[INFO] fetching crate stratum-hns-types 0.9.15...
[INFO] checking stratum-hns-types-0.9.15 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate stratum-hns-types 0.9.15 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate stratum-hns-types 0.9.15 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 stratum-hns-types 0.9.15
[INFO] finished tweaking crates.io crate stratum-hns-types 0.9.15
[INFO] tweaked toml for crates.io crate stratum-hns-types 0.9.15 written to /workspace/builds/worker-1-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 66 packages
[INFO] [stderr]       Adding cryptoxide v0.1.3 (latest: v0.4.4)
[INFO] [stderr]       Adding serde_tuple v0.4.0 (latest: v0.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding uuid v0.8.2 (latest: v1.8.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[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 encodings v0.1.0
[INFO] [stderr]   Downloaded extended-primitives v0.3.8
[INFO] [stderr]   Downloaded cryptoxide v0.1.3
[INFO] [stderr]   Downloaded handshake-encoding v0.1.1
[INFO] [stderr]   Downloaded stratum-types v0.9.25
[INFO] [stderr]   Downloaded serde_tuple v0.4.0
[INFO] [stderr]   Downloaded handshake-types v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1d045a2923078e741ff72be2ef56f1aa598591a20f310075466fd359f371ad0a
[INFO] running `Command { std: "docker" "start" "-a" "1d045a2923078e741ff72be2ef56f1aa598591a20f310075466fd359f371ad0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d045a2923078e741ff72be2ef56f1aa598591a20f310075466fd359f371ad0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d045a2923078e741ff72be2ef56f1aa598591a20f310075466fd359f371ad0a", kill_on_drop: false }`
[INFO] [stdout] 1d045a2923078e741ff72be2ef56f1aa598591a20f310075466fd359f371ad0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6d9f1f80a8c14873a886e1fb436255e50282001ac460fce2d3f7da473059c236
[INFO] running `Command { std: "docker" "start" "-a" "6d9f1f80a8c14873a886e1fb436255e50282001ac460fce2d3f7da473059c236", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking encodings v0.1.0
[INFO] [stderr]     Checking cryptoxide v0.1.3
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking extended-primitives v0.3.8
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking handshake-encoding v0.1.1
[INFO] [stderr]     Checking handshake-types v0.1.1
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling serde_tuple v0.4.0
[INFO] [stderr]     Checking stratum-types v0.9.25
[INFO] [stderr]     Checking stratum-hns-types v0.9.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.35s
[INFO] running `Command { std: "docker" "inspect" "6d9f1f80a8c14873a886e1fb436255e50282001ac460fce2d3f7da473059c236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d9f1f80a8c14873a886e1fb436255e50282001ac460fce2d3f7da473059c236", kill_on_drop: false }`
[INFO] [stdout] 6d9f1f80a8c14873a886e1fb436255e50282001ac460fce2d3f7da473059c236
[INFO] checking stratum-hns-types-0.9.15 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate stratum-hns-types 0.9.15 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate stratum-hns-types 0.9.15 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 stratum-hns-types 0.9.15
[INFO] finished tweaking crates.io crate stratum-hns-types 0.9.15
[INFO] tweaked toml for crates.io crate stratum-hns-types 0.9.15 written to /workspace/builds/worker-1-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 66 packages
[INFO] [stderr]       Adding cryptoxide v0.1.3 (latest: v0.4.4)
[INFO] [stderr]       Adding serde_tuple v0.4.0 (latest: v0.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding uuid v0.8.2 (latest: v1.8.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4d938d52fef6a8dc670855c94a88b1bd3f4dc3417490d42a8ac1619fbe63476b
[INFO] running `Command { std: "docker" "start" "-a" "4d938d52fef6a8dc670855c94a88b1bd3f4dc3417490d42a8ac1619fbe63476b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d938d52fef6a8dc670855c94a88b1bd3f4dc3417490d42a8ac1619fbe63476b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d938d52fef6a8dc670855c94a88b1bd3f4dc3417490d42a8ac1619fbe63476b", kill_on_drop: false }`
[INFO] [stdout] 4d938d52fef6a8dc670855c94a88b1bd3f4dc3417490d42a8ac1619fbe63476b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2bab4328c81bc088a4c9435e9b9934a1f9f52e2260caeb0195bd64a03c02bdbd
[INFO] running `Command { std: "docker" "start" "-a" "2bab4328c81bc088a4c9435e9b9934a1f9f52e2260caeb0195bd64a03c02bdbd", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking encodings v0.1.0
[INFO] [stderr]     Checking cryptoxide v0.1.3
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking extended-primitives v0.3.8
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking handshake-encoding v0.1.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking handshake-types v0.1.1
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling serde_tuple v0.4.0
[INFO] [stderr]     Checking stratum-types v0.9.25
[INFO] [stderr]     Checking stratum-hns-types v0.9.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.18s
[INFO] running `Command { std: "docker" "inspect" "2bab4328c81bc088a4c9435e9b9934a1f9f52e2260caeb0195bd64a03c02bdbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bab4328c81bc088a4c9435e9b9934a1f9f52e2260caeb0195bd64a03c02bdbd", kill_on_drop: false }`
[INFO] [stdout] 2bab4328c81bc088a4c9435e9b9934a1f9f52e2260caeb0195bd64a03c02bdbd