[INFO] cloning repository https://github.com/maybevoid/ferrite
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maybevoid/ferrite" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaybevoid%2Fferrite", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaybevoid%2Fferrite'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31d0d7fd110eee243bd4e33afd32a78aa6aa1623
[INFO] testing maybevoid/ferrite against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaybevoid%2Fferrite" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maybevoid/ferrite 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] removed /workspace/builds/worker-1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/maybevoid/ferrite
[INFO] finished tweaking git repo https://github.com/maybevoid/ferrite
[INFO] tweaked toml for git repo https://github.com/maybevoid/ferrite written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/maybevoid/ferrite 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 paste v1.0.6
[INFO] [stderr]   Downloaded bincode v1.3.3
[INFO] [stderr]   Downloaded uuid v0.8.2
[INFO] [stderr]   Downloaded env_logger v0.8.4
[INFO] [stderr]   Downloaded humantime v2.1.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.4
[INFO] [stderr]   Downloaded syn v1.0.84
[INFO] [stderr]   Downloaded ipc-channel v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 43bdfba014a99f630b0e0cd0cc9c245beaa1b08f6f1b41e694203c60442ed4ac
[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" "43bdfba014a99f630b0e0cd0cc9c245beaa1b08f6f1b41e694203c60442ed4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43bdfba014a99f630b0e0cd0cc9c245beaa1b08f6f1b41e694203c60442ed4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43bdfba014a99f630b0e0cd0cc9c245beaa1b08f6f1b41e694203c60442ed4ac", kill_on_drop: false }`
[INFO] [stdout] 43bdfba014a99f630b0e0cd0cc9c245beaa1b08f6f1b41e694203c60442ed4ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] b070478c172565fd85ace6383b40f638d409dd6c70e9437679cbfb220568e3e2
[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" "b070478c172565fd85ace6383b40f638d409dd6c70e9437679cbfb220568e3e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tokio v1.15.0
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling futures-executor v0.3.19
[INFO] [stderr]    Compiling futures v0.3.19
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling ipc-channel v0.14.1
[INFO] [stderr]    Compiling ferrite-session v0.3.0 (/opt/rustwide/workdir/ferrite-session)
[INFO] [stderr]    Compiling ferrite-demo v0.1.0 (/opt/rustwide/workdir/ferrite-demo)
[INFO] [stderr] error: could not compile `ferrite-demo`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name custom_choice --edition=2018 ferrite-demo/src/bin/custom_choice.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=20a770d05eb35b32 -C extra-filename=-20a770d05eb35b32 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-a69842c6ba747803.rlib --extern ferrite_session=/opt/rustwide/target/debug/deps/libferrite_session-62371b18e8ff77ec.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-5508e4df1f3e90c1.rlib --extern ipc_channel=/opt/rustwide/target/debug/deps/libipc_channel-4a1b6eb72201804a.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-ba3200a69ea295c7.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-edd938a57ca4b4ba.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-dd2b25b77c6bfa77.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" "b070478c172565fd85ace6383b40f638d409dd6c70e9437679cbfb220568e3e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b070478c172565fd85ace6383b40f638d409dd6c70e9437679cbfb220568e3e2", kill_on_drop: false }`
[INFO] [stdout] b070478c172565fd85ace6383b40f638d409dd6c70e9437679cbfb220568e3e2