[INFO] fetching crate kiss-tnc 0.2.2...
[INFO] checking kiss-tnc-0.2.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate kiss-tnc 0.2.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate kiss-tnc 0.2.2 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 kiss-tnc 0.2.2
[INFO] finished tweaking crates.io crate kiss-tnc 0.2.2
[INFO] tweaked toml for crates.io crate kiss-tnc 0.2.2 written to /workspace/builds/worker-7-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]      Locking 48 packages
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 36413acc304cba7cc00fa184dc02426cec5f141bc11b2d4f9194a0bc748fb5f6
[INFO] running `Command { std: "docker" "start" "-a" "36413acc304cba7cc00fa184dc02426cec5f141bc11b2d4f9194a0bc748fb5f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36413acc304cba7cc00fa184dc02426cec5f141bc11b2d4f9194a0bc748fb5f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36413acc304cba7cc00fa184dc02426cec5f141bc11b2d4f9194a0bc748fb5f6", kill_on_drop: false }`
[INFO] [stdout] 36413acc304cba7cc00fa184dc02426cec5f141bc11b2d4f9194a0bc748fb5f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 68e35c528241817927e6cf50552ffa49af1a4f77f9e4576e9e75f47d37ce773e
[INFO] running `Command { std: "docker" "start" "-a" "68e35c528241817927e6cf50552ffa49af1a4f77f9e4576e9e75f47d37ce773e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking kiss-tnc v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-test v0.4.4
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.06s
[INFO] running `Command { std: "docker" "inspect" "68e35c528241817927e6cf50552ffa49af1a4f77f9e4576e9e75f47d37ce773e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e35c528241817927e6cf50552ffa49af1a4f77f9e4576e9e75f47d37ce773e", kill_on_drop: false }`
[INFO] [stdout] 68e35c528241817927e6cf50552ffa49af1a4f77f9e4576e9e75f47d37ce773e
[INFO] checking kiss-tnc-0.2.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate kiss-tnc 0.2.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate kiss-tnc 0.2.2 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 kiss-tnc 0.2.2
[INFO] finished tweaking crates.io crate kiss-tnc 0.2.2
[INFO] tweaked toml for crates.io crate kiss-tnc 0.2.2 written to /workspace/builds/worker-7-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 48 packages
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2e5aac165cd87f2032a2f00be085c1f6c8d3a66d191cc08a53b6f72cf094d48c
[INFO] running `Command { std: "docker" "start" "-a" "2e5aac165cd87f2032a2f00be085c1f6c8d3a66d191cc08a53b6f72cf094d48c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e5aac165cd87f2032a2f00be085c1f6c8d3a66d191cc08a53b6f72cf094d48c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e5aac165cd87f2032a2f00be085c1f6c8d3a66d191cc08a53b6f72cf094d48c", kill_on_drop: false }`
[INFO] [stdout] 2e5aac165cd87f2032a2f00be085c1f6c8d3a66d191cc08a53b6f72cf094d48c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e5c797f72c10744bb56f7fd4ad500dac54f503978c3ec498ac5e2f3bea17400f
[INFO] running `Command { std: "docker" "start" "-a" "e5c797f72c10744bb56f7fd4ad500dac54f503978c3ec498ac5e2f3bea17400f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking kiss-tnc v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-test v0.4.4
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.45s
[INFO] running `Command { std: "docker" "inspect" "e5c797f72c10744bb56f7fd4ad500dac54f503978c3ec498ac5e2f3bea17400f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c797f72c10744bb56f7fd4ad500dac54f503978c3ec498ac5e2f3bea17400f", kill_on_drop: false }`
[INFO] [stdout] e5c797f72c10744bb56f7fd4ad500dac54f503978c3ec498ac5e2f3bea17400f