[INFO] fetching crate mqtt_5 0.1.1... [INFO] checking mqtt_5-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate mqtt_5 0.1.1 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate mqtt_5 0.1.1 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 mqtt_5 0.1.1 [INFO] finished tweaking crates.io crate mqtt_5 0.1.1 [INFO] tweaked toml for crates.io crate mqtt_5 0.1.1 written to /workspace/builds/worker-2-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 110 packages [INFO] [stderr] Adding async-channel v1.9.0 (latest: v2.2.0) [INFO] [stderr] Adding async-io v1.13.0 (latest: v2.3.2) [INFO] [stderr] Adding async-lock v2.8.0 (latest: v3.3.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding event-listener v2.5.3 (latest: v5.3.0) [INFO] [stderr] Adding event-listener v4.0.3 (latest: v5.3.0) [INFO] [stderr] Adding event-listener-strategy v0.4.0 (latest: v0.5.1) [INFO] [stderr] Adding fastrand v1.9.0 (latest: v2.0.2) [INFO] [stderr] Adding futures-lite v1.13.0 (latest: v2.3.0) [INFO] [stderr] Adding gloo-timers v0.2.6 (latest: v0.3.0) [INFO] [stderr] Adding io-lifetimes v1.0.11 (latest: v2.0.3) [INFO] [stderr] Adding linux-raw-sys v0.3.8 (latest: v0.6.4) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding polling v2.8.0 (latest: v3.6.0) [INFO] [stderr] Adding rustix v0.37.27 (latest: v0.38.32) [INFO] [stderr] Adding socket2 v0.4.10 (latest: v0.5.6) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [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 packattack v0.1.0 [INFO] [stderr] Downloaded bit_reverse v0.1.8 [INFO] [stderr] Downloaded bitreader_async v0.2.0 [INFO] [stderr] Downloaded packattack-derive v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c34d4a879dbb92f0b832a1b329e9a6a9dfe6e304f3887dbc16cb42f3d6a3fedd [INFO] running `Command { std: "docker" "start" "-a" "c34d4a879dbb92f0b832a1b329e9a6a9dfe6e304f3887dbc16cb42f3d6a3fedd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c34d4a879dbb92f0b832a1b329e9a6a9dfe6e304f3887dbc16cb42f3d6a3fedd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c34d4a879dbb92f0b832a1b329e9a6a9dfe6e304f3887dbc16cb42f3d6a3fedd", kill_on_drop: false }` [INFO] [stdout] c34d4a879dbb92f0b832a1b329e9a6a9dfe6e304f3887dbc16cb42f3d6a3fedd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4b39eefc1d86a1c43b4cc5db18de0ce0eef927eefe669566e64f3607f8c39494 [INFO] running `Command { std: "docker" "start" "-a" "4b39eefc1d86a1c43b4cc5db18de0ce0eef927eefe669566e64f3607f8c39494", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking bit_reverse v0.1.8 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Compiling async-trait v0.1.79 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Compiling packattack-derive v0.3.1 [INFO] [stderr] Checking async-std v1.12.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking bitreader_async v0.2.0 [INFO] [stderr] Checking packattack v0.1.0 [INFO] [stderr] Checking mqtt_5 v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `arbitrary_enum_discriminant` has been stable since 1.66.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(arbitrary_enum_discriminant)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `arbitrary_enum_discriminant` has been stable since 1.66.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(arbitrary_enum_discriminant)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.38s [INFO] running `Command { std: "docker" "inspect" "4b39eefc1d86a1c43b4cc5db18de0ce0eef927eefe669566e64f3607f8c39494", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b39eefc1d86a1c43b4cc5db18de0ce0eef927eefe669566e64f3607f8c39494", kill_on_drop: false }` [INFO] [stdout] 4b39eefc1d86a1c43b4cc5db18de0ce0eef927eefe669566e64f3607f8c39494 [INFO] checking mqtt_5-0.1.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate mqtt_5 0.1.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate mqtt_5 0.1.1 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 mqtt_5 0.1.1 [INFO] finished tweaking crates.io crate mqtt_5 0.1.1 [INFO] tweaked toml for crates.io crate mqtt_5 0.1.1 written to /workspace/builds/worker-2-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 110 packages [INFO] [stderr] Adding async-channel v1.9.0 (latest: v2.2.0) [INFO] [stderr] Adding async-io v1.13.0 (latest: v2.3.2) [INFO] [stderr] Adding async-lock v2.8.0 (latest: v3.3.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding event-listener v2.5.3 (latest: v5.3.0) [INFO] [stderr] Adding event-listener v4.0.3 (latest: v5.3.0) [INFO] [stderr] Adding event-listener-strategy v0.4.0 (latest: v0.5.1) [INFO] [stderr] Adding fastrand v1.9.0 (latest: v2.0.2) [INFO] [stderr] Adding futures-lite v1.13.0 (latest: v2.3.0) [INFO] [stderr] Adding gloo-timers v0.2.6 (latest: v0.3.0) [INFO] [stderr] Adding io-lifetimes v1.0.11 (latest: v2.0.3) [INFO] [stderr] Adding linux-raw-sys v0.3.8 (latest: v0.6.4) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding polling v2.8.0 (latest: v3.6.0) [INFO] [stderr] Adding rustix v0.37.27 (latest: v0.38.32) [INFO] [stderr] Adding socket2 v0.4.10 (latest: v0.5.6) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0f451b677c234a2f8c3583ecb4b5c2305b1f5fd4faaf31769e4d1c6e9af08eed [INFO] running `Command { std: "docker" "start" "-a" "0f451b677c234a2f8c3583ecb4b5c2305b1f5fd4faaf31769e4d1c6e9af08eed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f451b677c234a2f8c3583ecb4b5c2305b1f5fd4faaf31769e4d1c6e9af08eed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f451b677c234a2f8c3583ecb4b5c2305b1f5fd4faaf31769e4d1c6e9af08eed", kill_on_drop: false }` [INFO] [stdout] 0f451b677c234a2f8c3583ecb4b5c2305b1f5fd4faaf31769e4d1c6e9af08eed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 997eb3c35b880d1f9f54de2a48463100709fd53556ce14ea131df39e51106f3f [INFO] running `Command { std: "docker" "start" "-a" "997eb3c35b880d1f9f54de2a48463100709fd53556ce14ea131df39e51106f3f", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking bit_reverse v0.1.8 [INFO] [stderr] Compiling async-trait v0.1.79 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Compiling packattack-derive v0.3.1 [INFO] [stderr] Checking async-std v1.12.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking bitreader_async v0.2.0 [INFO] [stderr] Checking packattack v0.1.0 [INFO] [stderr] Checking mqtt_5 v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `arbitrary_enum_discriminant` has been stable since 1.66.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(arbitrary_enum_discriminant)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `arbitrary_enum_discriminant` has been stable since 1.66.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(arbitrary_enum_discriminant)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.53s [INFO] running `Command { std: "docker" "inspect" "997eb3c35b880d1f9f54de2a48463100709fd53556ce14ea131df39e51106f3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "997eb3c35b880d1f9f54de2a48463100709fd53556ce14ea131df39e51106f3f", kill_on_drop: false }` [INFO] [stdout] 997eb3c35b880d1f9f54de2a48463100709fd53556ce14ea131df39e51106f3f