[INFO] cloning repository https://github.com/KeenS/chema
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KeenS/chema" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Fchema", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Fchema'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf7e72f45364b5b88a1714aab562d0cf8022ae7a
[INFO] testing KeenS/chema against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Fchema" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KeenS/chema 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] started tweaking git repo https://github.com/KeenS/chema
[INFO] finished tweaking git repo https://github.com/KeenS/chema
[INFO] tweaked toml for git repo https://github.com/KeenS/chema written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/KeenS/chema already has a lockfile, it will not be regenerated
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4beba7dcf11f67dd6d4a1d78ac2820d2f8c10a0f00f8f015b35f1458013a9c3f
[INFO] running `Command { std: "docker" "start" "-a" "4beba7dcf11f67dd6d4a1d78ac2820d2f8c10a0f00f8f015b35f1458013a9c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4beba7dcf11f67dd6d4a1d78ac2820d2f8c10a0f00f8f015b35f1458013a9c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4beba7dcf11f67dd6d4a1d78ac2820d2f8c10a0f00f8f015b35f1458013a9c3f", kill_on_drop: false }`
[INFO] [stdout] 4beba7dcf11f67dd6d4a1d78ac2820d2f8c10a0f00f8f015b35f1458013a9c3f
[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] a3e9211a13d78ebe819b3e3797ee63cde59cd5e592f1d0a0a6d09275600ca95c
[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" "a3e9211a13d78ebe819b3e3797ee63cde59cd5e592f1d0a0a6d09275600ca95c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling combine v4.3.2
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling serde_yaml v0.8.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling chema v0.0.9 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `chema`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name chema --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=35fd12473549c7bf -C extra-filename=-35fd12473549c7bf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern combine=/opt/rustwide/target/debug/deps/libcombine-db024f43211efd1a.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-d31f07b88d96fd74.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-7895c92c6d278491.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-e85f58044ae91ffe.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-62e055e6c3a1f4aa.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-8bfa79e1a42432f0.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-e5de6cae02e9dc01.rlib --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-5b654986ecdcce92.rlib --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d23595e037d397b0.rlib --extern structopt_derive=/opt/rustwide/target/debug/deps/libstructopt_derive-1b83556d7ee6441d.so --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "a3e9211a13d78ebe819b3e3797ee63cde59cd5e592f1d0a0a6d09275600ca95c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3e9211a13d78ebe819b3e3797ee63cde59cd5e592f1d0a0a6d09275600ca95c", kill_on_drop: false }`
[INFO] [stdout] a3e9211a13d78ebe819b3e3797ee63cde59cd5e592f1d0a0a6d09275600ca95c