[INFO] fetching crate udp_sas_async 0.2.0...
[INFO] checking udp_sas_async-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate udp_sas_async 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate udp_sas_async 0.2.0 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 udp_sas_async 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate udp_sas_async 0.2.0
[INFO] tweaked toml for crates.io crate udp_sas_async 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate udp_sas_async 0.2.0 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-task v4.5.0
[INFO] [stderr]   Downloaded async-executor v1.7.2
[INFO] [stderr]   Downloaded futures-lite v2.0.1
[INFO] [stderr]   Downloaded async-lock v3.1.1
[INFO] [stderr]   Downloaded os_socketaddr v0.2.5
[INFO] [stderr]   Downloaded async-channel v2.1.0
[INFO] [stderr]   Downloaded event-listener-strategy v0.3.0
[INFO] [stderr]   Downloaded value-bag v1.4.2
[INFO] [stderr]   Downloaded polling v3.3.0
[INFO] [stderr]   Downloaded async-io v2.2.0
[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] 7b71ca90b25053b12be8e83bb793432d2aa3f1cbea5a4076061f709c1c7a9180
[INFO] running `Command { std: "docker" "start" "-a" "7b71ca90b25053b12be8e83bb793432d2aa3f1cbea5a4076061f709c1c7a9180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b71ca90b25053b12be8e83bb793432d2aa3f1cbea5a4076061f709c1c7a9180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b71ca90b25053b12be8e83bb793432d2aa3f1cbea5a4076061f709c1c7a9180", kill_on_drop: false }`
[INFO] [stdout] 7b71ca90b25053b12be8e83bb793432d2aa3f1cbea5a4076061f709c1c7a9180
[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] 42ed4c977be6c52972a22be07b4ff71aa526a1da914c9a343d5c23d10e389501
[INFO] running `Command { std: "docker" "start" "-a" "42ed4c977be6c52972a22be07b4ff71aa526a1da914c9a343d5c23d10e389501", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking os_socketaddr v0.2.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling udp_sas_async v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.00s
[INFO] running `Command { std: "docker" "inspect" "42ed4c977be6c52972a22be07b4ff71aa526a1da914c9a343d5c23d10e389501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ed4c977be6c52972a22be07b4ff71aa526a1da914c9a343d5c23d10e389501", kill_on_drop: false }`
[INFO] [stdout] 42ed4c977be6c52972a22be07b4ff71aa526a1da914c9a343d5c23d10e389501
[INFO] checking udp_sas_async-0.2.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate udp_sas_async 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate udp_sas_async 0.2.0 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 udp_sas_async 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate udp_sas_async 0.2.0
[INFO] tweaked toml for crates.io crate udp_sas_async 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate udp_sas_async 0.2.0 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[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] 4b1af85ed592f4952c92ec5fedaec52cad71471f4c85ab2e219a7d5d5c0c1f06
[INFO] running `Command { std: "docker" "start" "-a" "4b1af85ed592f4952c92ec5fedaec52cad71471f4c85ab2e219a7d5d5c0c1f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b1af85ed592f4952c92ec5fedaec52cad71471f4c85ab2e219a7d5d5c0c1f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b1af85ed592f4952c92ec5fedaec52cad71471f4c85ab2e219a7d5d5c0c1f06", kill_on_drop: false }`
[INFO] [stdout] 4b1af85ed592f4952c92ec5fedaec52cad71471f4c85ab2e219a7d5d5c0c1f06
[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] d922ec6d07138b9f45fe387d4064d20651bb18b193677d7ad86153cd37db988f
[INFO] running `Command { std: "docker" "start" "-a" "d922ec6d07138b9f45fe387d4064d20651bb18b193677d7ad86153cd37db988f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking os_socketaddr v0.2.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling udp_sas_async v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.17s
[INFO] running `Command { std: "docker" "inspect" "d922ec6d07138b9f45fe387d4064d20651bb18b193677d7ad86153cd37db988f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d922ec6d07138b9f45fe387d4064d20651bb18b193677d7ad86153cd37db988f", kill_on_drop: false }`
[INFO] [stdout] d922ec6d07138b9f45fe387d4064d20651bb18b193677d7ad86153cd37db988f