[INFO] fetching crate cortex-m-systick-countdown 0.1.0...
[INFO] testing cortex-m-systick-countdown-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cortex-m-systick-countdown 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cortex-m-systick-countdown 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-8/source/.cargo/config
[INFO] started tweaking crates.io crate cortex-m-systick-countdown 0.1.0
[INFO] finished tweaking crates.io crate cortex-m-systick-countdown 0.1.0
[INFO] tweaked toml for crates.io crate cortex-m-systick-countdown 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a70ae254f5cbd168cd3bb9211617aeea5543fb280770ff9461f0266e428971ac
[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" "a70ae254f5cbd168cd3bb9211617aeea5543fb280770ff9461f0266e428971ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a70ae254f5cbd168cd3bb9211617aeea5543fb280770ff9461f0266e428971ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70ae254f5cbd168cd3bb9211617aeea5543fb280770ff9461f0266e428971ac", kill_on_drop: false }`
[INFO] [stdout] a70ae254f5cbd168cd3bb9211617aeea5543fb280770ff9461f0266e428971ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8277e9a60e1827cb7cdea50f0bf79849af1cede3b2978fa3c1ee3c6116b646f0
[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" "8277e9a60e1827cb7cdea50f0bf79849af1cede3b2978fa3c1ee3c6116b646f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m-systick-countdown v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "8277e9a60e1827cb7cdea50f0bf79849af1cede3b2978fa3c1ee3c6116b646f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8277e9a60e1827cb7cdea50f0bf79849af1cede3b2978fa3c1ee3c6116b646f0", kill_on_drop: false }`
[INFO] [stdout] 8277e9a60e1827cb7cdea50f0bf79849af1cede3b2978fa3c1ee3c6116b646f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 18f984c0cdf70c2ed5f4a498daf270c45ed698536a0541f91a0a3b8ca6c156cd
[INFO] running `Command { std: "docker" "start" "-a" "18f984c0cdf70c2ed5f4a498daf270c45ed698536a0541f91a0a3b8ca6c156cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling cortex-m-systick-countdown v0.1.0 (/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 `cortex-m-systick-countdown`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "18f984c0cdf70c2ed5f4a498daf270c45ed698536a0541f91a0a3b8ca6c156cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f984c0cdf70c2ed5f4a498daf270c45ed698536a0541f91a0a3b8ca6c156cd", kill_on_drop: false }`
[INFO] [stdout] 18f984c0cdf70c2ed5f4a498daf270c45ed698536a0541f91a0a3b8ca6c156cd