[INFO] fetching crate gemma_m0 0.7.0...
[INFO] testing gemma_m0-0.7.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate gemma_m0 0.7.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate gemma_m0 0.7.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking crates.io crate gemma_m0 0.7.0
[INFO] finished tweaking crates.io crate gemma_m0 0.7.0
[INFO] tweaked toml for crates.io crate gemma_m0 0.7.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate gemma_m0 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atsamd-hal v0.9.0
[INFO] [stderr]   Downloaded atsamd21e18a v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 337c5a18e7cefe8a9a2c076e56a5f35e71d217d17129e26add6c35ce4e66635e
[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" "337c5a18e7cefe8a9a2c076e56a5f35e71d217d17129e26add6c35ce4e66635e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "337c5a18e7cefe8a9a2c076e56a5f35e71d217d17129e26add6c35ce4e66635e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "337c5a18e7cefe8a9a2c076e56a5f35e71d217d17129e26add6c35ce4e66635e", kill_on_drop: false }`
[INFO] [stdout] 337c5a18e7cefe8a9a2c076e56a5f35e71d217d17129e26add6c35ce4e66635e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2a27180460a3832b8848ea29805c6ae4c22a3501ac339838d227eed67c1646e
[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" "a2a27180460a3832b8848ea29805c6ae4c22a3501ac339838d227eed67c1646e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling atsamd21e18a v0.7.0
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling gemma_m0 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stderr]    Compiling as-slice v0.1.3
[INFO] [stderr]    Compiling aligned v0.3.2
[INFO] [stderr]    Compiling cortex-m v0.6.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling paste v0.1.6
[INFO] [stderr]    Compiling atsamd-hal v0.9.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.68s
[INFO] running `Command { std: "docker" "inspect" "a2a27180460a3832b8848ea29805c6ae4c22a3501ac339838d227eed67c1646e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a27180460a3832b8848ea29805c6ae4c22a3501ac339838d227eed67c1646e", kill_on_drop: false }`
[INFO] [stdout] a2a27180460a3832b8848ea29805c6ae4c22a3501ac339838d227eed67c1646e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab1dce2f6f2fb5c16c62caa46965f6a3ae13f0bdeb409814fbd452402a87f8a7
[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" "ab1dce2f6f2fb5c16c62caa46965f6a3ae13f0bdeb409814fbd452402a87f8a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling gemma_m0 v0.7.0 (/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 `gemma_m0`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ab1dce2f6f2fb5c16c62caa46965f6a3ae13f0bdeb409814fbd452402a87f8a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab1dce2f6f2fb5c16c62caa46965f6a3ae13f0bdeb409814fbd452402a87f8a7", kill_on_drop: false }`
[INFO] [stdout] ab1dce2f6f2fb5c16c62caa46965f6a3ae13f0bdeb409814fbd452402a87f8a7