[INFO] fetching crate tracing-worker 0.1.9...
[INFO] checking tracing-worker-0.1.9 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate tracing-worker 0.1.9 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate tracing-worker 0.1.9 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 tracing-worker 0.1.9
[INFO] finished tweaking crates.io crate tracing-worker 0.1.9
[INFO] tweaked toml for crates.io crate tracing-worker 0.1.9 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]     Updating crates.io index
[INFO] [stderr]      Locking 87 packages
[INFO] [stderr]       Adding matchit v0.7.3 (latest: v0.8.0)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding serde-wasm-bindgen v0.5.0 (latest: v0.6.5)
[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 worker v0.1.0
[INFO] [stderr]   Downloaded worker-kv v0.6.0
[INFO] [stderr]   Downloaded worker-macros v0.1.0
[INFO] [stderr]   Downloaded worker-sys 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] 59620155ed1acaf10d204c77583e57501ea2a868cb1b8e362f247d72c2c706ba
[INFO] running `Command { std: "docker" "start" "-a" "59620155ed1acaf10d204c77583e57501ea2a868cb1b8e362f247d72c2c706ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59620155ed1acaf10d204c77583e57501ea2a868cb1b8e362f247d72c2c706ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59620155ed1acaf10d204c77583e57501ea2a868cb1b8e362f247d72c2c706ba", kill_on_drop: false }`
[INFO] [stdout] 59620155ed1acaf10d204c77583e57501ea2a868cb1b8e362f247d72c2c706ba
[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] 699aa5ba3b36bc910eab86e946c2e8eed144442265c3e39efca35a88d546a239
[INFO] running `Command { std: "docker" "start" "-a" "699aa5ba3b36bc910eab86e946c2e8eed144442265c3e39efca35a88d546a239", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking wasm-bindgen v0.2.92
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]    Compiling web-sys v0.3.69
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.42
[INFO] [stderr]     Checking serde-wasm-bindgen v0.5.0
[INFO] [stderr]     Checking serde-wasm-bindgen v0.6.5
[INFO] [stderr]     Checking worker-kv v0.6.0
[INFO] [stderr]    Compiling worker-sys v0.1.0
[INFO] [stderr]    Compiling worker-macros v0.1.0
[INFO] [stderr]     Checking wasm-streams v0.4.0
[INFO] [stderr]     Checking worker v0.1.0
[INFO] [stderr]     Checking tracing-worker v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.61s
[INFO] running `Command { std: "docker" "inspect" "699aa5ba3b36bc910eab86e946c2e8eed144442265c3e39efca35a88d546a239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699aa5ba3b36bc910eab86e946c2e8eed144442265c3e39efca35a88d546a239", kill_on_drop: false }`
[INFO] [stdout] 699aa5ba3b36bc910eab86e946c2e8eed144442265c3e39efca35a88d546a239
[INFO] checking tracing-worker-0.1.9 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate tracing-worker 0.1.9 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate tracing-worker 0.1.9 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 tracing-worker 0.1.9
[INFO] finished tweaking crates.io crate tracing-worker 0.1.9
[INFO] tweaked toml for crates.io crate tracing-worker 0.1.9 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 87 packages
[INFO] [stderr]       Adding matchit v0.7.3 (latest: v0.8.0)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding serde-wasm-bindgen v0.5.0 (latest: v0.6.5)
[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] 07cd7871b2eae95319559406866d7a2bd6ba4049a7868ab1c1b3b8d7c246036b
[INFO] running `Command { std: "docker" "start" "-a" "07cd7871b2eae95319559406866d7a2bd6ba4049a7868ab1c1b3b8d7c246036b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07cd7871b2eae95319559406866d7a2bd6ba4049a7868ab1c1b3b8d7c246036b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07cd7871b2eae95319559406866d7a2bd6ba4049a7868ab1c1b3b8d7c246036b", kill_on_drop: false }`
[INFO] [stdout] 07cd7871b2eae95319559406866d7a2bd6ba4049a7868ab1c1b3b8d7c246036b
[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] 3236df2434514387d2958f4980a9d1a2c5a1f08ff5a2e051c39f87e68f0ddaaf
[INFO] running `Command { std: "docker" "start" "-a" "3236df2434514387d2958f4980a9d1a2c5a1f08ff5a2e051c39f87e68f0ddaaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking wasm-bindgen v0.2.92
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.42
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking serde-wasm-bindgen v0.5.0
[INFO] [stderr]     Checking serde-wasm-bindgen v0.6.5
[INFO] [stderr]     Checking worker-kv v0.6.0
[INFO] [stderr]    Compiling worker-sys v0.1.0
[INFO] [stderr]     Checking wasm-streams v0.4.0
[INFO] [stderr]    Compiling worker-macros v0.1.0
[INFO] [stderr]     Checking worker v0.1.0
[INFO] [stderr]     Checking tracing-worker v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.26s
[INFO] running `Command { std: "docker" "inspect" "3236df2434514387d2958f4980a9d1a2c5a1f08ff5a2e051c39f87e68f0ddaaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3236df2434514387d2958f4980a9d1a2c5a1f08ff5a2e051c39f87e68f0ddaaf", kill_on_drop: false }`
[INFO] [stdout] 3236df2434514387d2958f4980a9d1a2c5a1f08ff5a2e051c39f87e68f0ddaaf