[INFO] fetching crate smoltcp 0.8.0...
[INFO] testing smoltcp-0.8.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate smoltcp 0.8.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate smoltcp 0.8.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smoltcp 0.8.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate smoltcp 0.8.0
[INFO] tweaked toml for crates.io crate smoltcp 0.8.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate smoltcp 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded defmt-parser v0.3.0
[INFO] [stderr]   Downloaded defmt-macros v0.3.0
[INFO] [stderr]   Downloaded defmt v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac3f1db265b1a05e0de52909353d79bf0dcb857d804c2a5b1a6eac679c33c551
[INFO] running `Command { std: "docker" "start" "-a" "ac3f1db265b1a05e0de52909353d79bf0dcb857d804c2a5b1a6eac679c33c551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac3f1db265b1a05e0de52909353d79bf0dcb857d804c2a5b1a6eac679c33c551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac3f1db265b1a05e0de52909353d79bf0dcb857d804c2a5b1a6eac679c33c551", kill_on_drop: false }`
[INFO] [stdout] ac3f1db265b1a05e0de52909353d79bf0dcb857d804c2a5b1a6eac679c33c551
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa7e04d71b06417192913484f03756287dae7e132104544017c3cf92468a4989
[INFO] running `Command { std: "docker" "start" "-a" "fa7e04d71b06417192913484f03756287dae7e132104544017c3cf92468a4989", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling managed v0.8.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling smoltcp v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.97s
[INFO] running `Command { std: "docker" "inspect" "fa7e04d71b06417192913484f03756287dae7e132104544017c3cf92468a4989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa7e04d71b06417192913484f03756287dae7e132104544017c3cf92468a4989", kill_on_drop: false }`
[INFO] [stdout] fa7e04d71b06417192913484f03756287dae7e132104544017c3cf92468a4989
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32ebdbd3b1574a59695e196ba0ef58a2a6a10b1fdc47444b9570bf23c9a4f055
[INFO] running `Command { std: "docker" "start" "-a" "32ebdbd3b1574a59695e196ba0ef58a2a6a10b1fdc47444b9570bf23c9a4f055", kill_on_drop: false }`
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling tinyvec v1.5.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling smoltcp v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `smoltcp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name smoltcp --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="async"' --cfg 'feature="default"' --cfg 'feature="libc"' --cfg 'feature="log"' --cfg 'feature="medium-ethernet"' --cfg 'feature="medium-ieee802154"' --cfg 'feature="medium-ip"' --cfg 'feature="phy-raw_socket"' --cfg 'feature="phy-tuntap_interface"' --cfg 'feature="proto-dhcpv4"' --cfg 'feature="proto-igmp"' --cfg 'feature="proto-ipv4"' --cfg 'feature="proto-ipv6"' --cfg 'feature="proto-sixlowpan"' --cfg 'feature="rand_core"' --cfg 'feature="socket"' --cfg 'feature="socket-dhcpv4"' --cfg 'feature="socket-icmp"' --cfg 'feature="socket-raw"' --cfg 'feature="socket-tcp"' --cfg 'feature="socket-udp"' --cfg 'feature="std"' -C metadata=40e2c2bbc92b5491 -C extra-filename=-40e2c2bbc92b5491 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-c6c964456a1863d0.rlib --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-82be2e969a99c9e1.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-614e78b5b7afb154.rlib --extern getopts=/opt/rustwide/target/debug/deps/libgetopts-5017edac2f1f1cf6.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-5342717c0c307044.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-ba3200a69ea295c7.rlib --extern managed=/opt/rustwide/target/debug/deps/libmanaged-438f9ab9dc787d14.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-3695546031fbc61e.rlib --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-6f0d1e29744e0a14.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-f5a8876e2bbc79f1.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "32ebdbd3b1574a59695e196ba0ef58a2a6a10b1fdc47444b9570bf23c9a4f055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32ebdbd3b1574a59695e196ba0ef58a2a6a10b1fdc47444b9570bf23c9a4f055", kill_on_drop: false }`
[INFO] [stdout] 32ebdbd3b1574a59695e196ba0ef58a2a6a10b1fdc47444b9570bf23c9a4f055