[INFO] cloning repository https://github.com/dotcypress/kvs-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dotcypress/kvs-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotcypress%2Fkvs-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotcypress%2Fkvs-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd01a046a334dc94aa31e20f1722087b22fbeb96
[INFO] testing dotcypress/kvs-playground against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotcypress%2Fkvs-playground" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dotcypress/kvs-playground on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/.cargo/config
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/dotcypress/kvs-playground
[INFO] finished tweaking git repo https://github.com/dotcypress/kvs-playground
[INFO] tweaked toml for git repo https://github.com/dotcypress/kvs-playground written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/dotcypress/kvs-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kvs v0.0.2
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] [stderr]   Downloaded defmt-parser v0.2.2
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.15
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.6.15
[INFO] [stderr]   Downloaded defmt v0.2.3
[INFO] [stderr]   Downloaded cortex-m-rtic-macros v0.5.3
[INFO] [stderr]   Downloaded cortex-m-rtic v0.5.7
[INFO] [stderr]   Downloaded stm32g0 v0.13.0
[INFO] [stderr]   Downloaded rtic-syntax v0.4.0
[INFO] [stderr]   Downloaded aligned v0.3.5
[INFO] [stderr]   Downloaded cortex-m v0.6.7
[INFO] [stderr]   Downloaded defmt-macros v0.2.3
[INFO] [stderr]   Downloaded defmt-rtt v0.2.0
[INFO] [stderr]   Downloaded modular-bitfield-impl v0.11.2
[INFO] [stderr]   Downloaded cortex-m v0.7.3
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.3
[INFO] [stderr]   Downloaded uluru v2.2.0
[INFO] [stderr]   Downloaded heapless v0.7.5
[INFO] [stderr]   Downloaded rtic-core v0.3.1
[INFO] [stderr]   Downloaded modular-bitfield v0.11.2
[INFO] [stderr]   Downloaded ushell v0.3.3
[INFO] [stderr]   Downloaded stm32g0xx-hal v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 603581e6758792cecabc3dd73e8581888b03b1447617bfcc8d0d5e30aa314859
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "603581e6758792cecabc3dd73e8581888b03b1447617bfcc8d0d5e30aa314859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "603581e6758792cecabc3dd73e8581888b03b1447617bfcc8d0d5e30aa314859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "603581e6758792cecabc3dd73e8581888b03b1447617bfcc8d0d5e30aa314859", kill_on_drop: false }`
[INFO] [stdout] 603581e6758792cecabc3dd73e8581888b03b1447617bfcc8d0d5e30aa314859
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c45b5242576ed99625ce1860f70216edbdecd9002b63078df534cce393c47d6d
[INFO] running `Command { std: "docker" "start" "-a" "c45b5242576ed99625ce1860f70216edbdecd9002b63078df534cce393c47d6d", 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] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling cortex-m-rt v0.6.15
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling heapless v0.7.5
[INFO] [stderr]    Compiling defmt-parser v0.2.2
[INFO] [stderr]    Compiling heapless v0.6.1
[INFO] [stderr]    Compiling stm32g0 v0.13.0
[INFO] [stderr]    Compiling rtic-core v0.3.1
[INFO] [stderr]    Compiling bare-metal v1.0.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling cortex-m-rtic v0.5.7
[INFO] [stderr]    Compiling uluru v2.2.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling btoi v0.4.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.6.15
[INFO] [stderr]    Compiling rtic-syntax v0.4.0
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling embedded-hal v0.2.5
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling defmt-macros v0.2.3
[INFO] [stderr]    Compiling aligned v0.3.5
[INFO] [stderr]    Compiling defmt v0.2.3
[INFO] [stderr]    Compiling ushell v0.3.3
[INFO] [stderr]    Compiling modular-bitfield v0.11.2
[INFO] [stderr]    Compiling cortex-m-rtic-macros v0.5.3
[INFO] [stderr]    Compiling kvs v0.0.2
[INFO] [stderr]    Compiling defmt-rtt v0.2.0
[INFO] [stderr]    Compiling stm32g0xx-hal v0.1.0
[INFO] [stderr]    Compiling kvs-playground v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kvs-playground` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c45b5242576ed99625ce1860f70216edbdecd9002b63078df534cce393c47d6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45b5242576ed99625ce1860f70216edbdecd9002b63078df534cce393c47d6d", kill_on_drop: false }`
[INFO] [stdout] c45b5242576ed99625ce1860f70216edbdecd9002b63078df534cce393c47d6d