[INFO] cloning repository https://github.com/Glaeqen/shared-i2c-rtic-exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Glaeqen/shared-i2c-rtic-exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlaeqen%2Fshared-i2c-rtic-exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlaeqen%2Fshared-i2c-rtic-exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3afa15b4bf15cc0418425a084d9ce0bc954dc142
[INFO] testing Glaeqen/shared-i2c-rtic-exercise against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlaeqen%2Fshared-i2c-rtic-exercise" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Glaeqen/shared-i2c-rtic-exercise on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-9/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Glaeqen/shared-i2c-rtic-exercise
[INFO] finished tweaking git repo https://github.com/Glaeqen/shared-i2c-rtic-exercise
[INFO] tweaked toml for git repo https://github.com/Glaeqen/shared-i2c-rtic-exercise written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Glaeqen/shared-i2c-rtic-exercise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stable_deref_trait v1.1.1
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded embedded-hal v0.2.3
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.12
[INFO] [stderr]   Downloaded aligned v0.3.2
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] [stderr]   Downloaded rtfm-core v0.3.0
[INFO] [stderr]   Downloaded rtfm-syntax v0.4.0
[INFO] [stderr]   Downloaded nb v0.1.2
[INFO] [stderr]   Downloaded syn v1.0.27
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.8
[INFO] [stderr]   Downloaded generic-array v0.13.2
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded heapless v0.5.5
[INFO] [stderr]   Downloaded lm3s6965 v0.1.3
[INFO] [stderr]   Downloaded vcell v0.1.2
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded cortex-m v0.6.2
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.5
[INFO] [stderr]   Downloaded proc-macro2 v1.0.17
[INFO] [stderr]   Downloaded as-slice v0.1.3
[INFO] [stderr]   Downloaded panic-semihosting v0.5.3
[INFO] [stderr]   Downloaded cortex-m-rtfm v0.5.1
[INFO] [stderr]   Downloaded cortex-m-rtfm-macros v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] c48ee965b7282e6a6f2ae55707459edf387fd69dcff44ac5563a3186f53e3b4e
[INFO] running `Command { std: "docker" "start" "-a" "c48ee965b7282e6a6f2ae55707459edf387fd69dcff44ac5563a3186f53e3b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c48ee965b7282e6a6f2ae55707459edf387fd69dcff44ac5563a3186f53e3b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c48ee965b7282e6a6f2ae55707459edf387fd69dcff44ac5563a3186f53e3b4e", kill_on_drop: false }`
[INFO] [stdout] c48ee965b7282e6a6f2ae55707459edf387fd69dcff44ac5563a3186f53e3b4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "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] e55bab04576f7d45d076d4aa1c9b51b19632ee5d0d1cc0b62cc1c850c4bf1cd3
[INFO] running `Command { std: "docker" "start" "-a" "e55bab04576f7d45d076d4aa1c9b51b19632ee5d0d1cc0b62cc1c850c4bf1cd3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling heapless v0.5.5
[INFO] [stderr]    Compiling lm3s6965 v0.1.3
[INFO] [stderr]    Compiling rtfm-core v0.3.0
[INFO] [stderr]    Compiling shared-i2c-rtic-exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.5
[INFO] [stderr]    Compiling cortex-m-rtfm v0.5.1
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stderr]    Compiling panic-semihosting v0.5.3
[INFO] [stderr]    Compiling rtfm-syntax v0.4.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling cortex-m-rtfm-macros v0.5.0
[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 `shared-i2c-rtic-exercise`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e55bab04576f7d45d076d4aa1c9b51b19632ee5d0d1cc0b62cc1c850c4bf1cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e55bab04576f7d45d076d4aa1c9b51b19632ee5d0d1cc0b62cc1c850c4bf1cd3", kill_on_drop: false }`
[INFO] [stdout] e55bab04576f7d45d076d4aa1c9b51b19632ee5d0d1cc0b62cc1c850c4bf1cd3