[INFO] fetching crate mtop-client 0.7.0... [INFO] checking mtop-client-0.7.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate mtop-client 0.7.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate mtop-client 0.7.0 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 mtop-client 0.7.0 [INFO] finished tweaking crates.io crate mtop-client 0.7.0 [INFO] tweaked toml for crates.io crate mtop-client 0.7.0 written to /workspace/builds/worker-0-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 69 packages [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 object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding rustls v0.21.10 (latest: v0.23.4) [INFO] [stderr] Adding rustls-pemfile v1.0.4 (latest: v2.1.1) [INFO] [stderr] Adding rustls-webpki v0.101.7 (latest: v0.102.2) [INFO] [stderr] Adding tokio-rustls v0.24.1 (latest: v0.26.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding webpki-roots v0.25.4 (latest: v0.26.1) [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] Downloading crates ... [INFO] [stderr] Downloaded urlencoding v2.1.3 [INFO] [stderr] Downloaded tracing-attributes v0.1.27 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 581acb0e9c25d5621629957e157a257904f7bbcd817b048fb578871129ecc444 [INFO] running `Command { std: "docker" "start" "-a" "581acb0e9c25d5621629957e157a257904f7bbcd817b048fb578871129ecc444", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "581acb0e9c25d5621629957e157a257904f7bbcd817b048fb578871129ecc444", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "581acb0e9c25d5621629957e157a257904f7bbcd817b048fb578871129ecc444", kill_on_drop: false }` [INFO] [stdout] 581acb0e9c25d5621629957e157a257904f7bbcd817b048fb578871129ecc444 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7c7d0af98da5411d761d17d6a27dd1b745f0debb5449350bedcdb342c07bcbf8 [INFO] running `Command { std: "docker" "start" "-a" "7c7d0af98da5411d761d17d6a27dd1b745f0debb5449350bedcdb342c07bcbf8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Checking untrusted v0.9.0 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Compiling rustls v0.21.10 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking base64 v0.21.7 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking webpki-roots v0.25.4 [INFO] [stderr] Checking urlencoding v2.1.3 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking rustls-pemfile v1.0.4 [INFO] [stderr] Compiling ring v0.17.8 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking socket2 v0.5.6 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Checking sct v0.7.1 [INFO] [stderr] Checking rustls-webpki v0.101.7 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tokio-rustls v0.24.1 [INFO] [stderr] Checking mtop-client v0.7.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.01s [INFO] running `Command { std: "docker" "inspect" "7c7d0af98da5411d761d17d6a27dd1b745f0debb5449350bedcdb342c07bcbf8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c7d0af98da5411d761d17d6a27dd1b745f0debb5449350bedcdb342c07bcbf8", kill_on_drop: false }` [INFO] [stdout] 7c7d0af98da5411d761d17d6a27dd1b745f0debb5449350bedcdb342c07bcbf8 [INFO] checking mtop-client-0.7.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate mtop-client 0.7.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate mtop-client 0.7.0 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 mtop-client 0.7.0 [INFO] finished tweaking crates.io crate mtop-client 0.7.0 [INFO] tweaked toml for crates.io crate mtop-client 0.7.0 written to /workspace/builds/worker-0-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 69 packages [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 object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding rustls v0.21.10 (latest: v0.23.4) [INFO] [stderr] Adding rustls-pemfile v1.0.4 (latest: v2.1.1) [INFO] [stderr] Adding rustls-webpki v0.101.7 (latest: v0.102.2) [INFO] [stderr] Adding tokio-rustls v0.24.1 (latest: v0.26.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding webpki-roots v0.25.4 (latest: v0.26.1) [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 178a462d88f1d9b670acdf1e5862a250696f189da1c411b3f5738f7c9827fe58 [INFO] running `Command { std: "docker" "start" "-a" "178a462d88f1d9b670acdf1e5862a250696f189da1c411b3f5738f7c9827fe58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "178a462d88f1d9b670acdf1e5862a250696f189da1c411b3f5738f7c9827fe58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "178a462d88f1d9b670acdf1e5862a250696f189da1c411b3f5738f7c9827fe58", kill_on_drop: false }` [INFO] [stdout] 178a462d88f1d9b670acdf1e5862a250696f189da1c411b3f5738f7c9827fe58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 00f7365830f5ff478f37d9f348c9129026956e70c4a1400cd00f8006e6a25fca [INFO] running `Command { std: "docker" "start" "-a" "00f7365830f5ff478f37d9f348c9129026956e70c4a1400cd00f8006e6a25fca", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Checking untrusted v0.9.0 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Compiling rustls v0.21.10 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking base64 v0.21.7 [INFO] [stderr] Checking urlencoding v2.1.3 [INFO] [stderr] Checking webpki-roots v0.25.4 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking rustls-pemfile v1.0.4 [INFO] [stderr] Compiling ring v0.17.8 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking socket2 v0.5.6 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking rustls-webpki v0.101.7 [INFO] [stderr] Checking sct v0.7.1 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tokio-rustls v0.24.1 [INFO] [stderr] Checking mtop-client v0.7.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.10s [INFO] running `Command { std: "docker" "inspect" "00f7365830f5ff478f37d9f348c9129026956e70c4a1400cd00f8006e6a25fca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00f7365830f5ff478f37d9f348c9129026956e70c4a1400cd00f8006e6a25fca", kill_on_drop: false }` [INFO] [stdout] 00f7365830f5ff478f37d9f348c9129026956e70c4a1400cd00f8006e6a25fca