[INFO] fetching crate chema 0.0.9...
[INFO] testing chema-0.0.9 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate chema 0.0.9 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate chema 0.0.9 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] started tweaking crates.io crate chema 0.0.9
[INFO] finished tweaking crates.io crate chema 0.0.9
[INFO] tweaked toml for crates.io crate chema 0.0.9 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate chema 0.0.9 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]  Downloading crates ...
[INFO] [stderr]   Downloaded combine v4.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14eac220cd524c89ae4ce0442af4d36128b5fbcb8fe6fe1d7656059d4121c99e
[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" "14eac220cd524c89ae4ce0442af4d36128b5fbcb8fe6fe1d7656059d4121c99e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14eac220cd524c89ae4ce0442af4d36128b5fbcb8fe6fe1d7656059d4121c99e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14eac220cd524c89ae4ce0442af4d36128b5fbcb8fe6fe1d7656059d4121c99e", kill_on_drop: false }`
[INFO] [stdout] 14eac220cd524c89ae4ce0442af4d36128b5fbcb8fe6fe1d7656059d4121c99e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fe278c2c9e91b108b9d1f0f7864a710355fd965fdd32cf96721d8769046994b
[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" "1fe278c2c9e91b108b9d1f0f7864a710355fd965fdd32cf96721d8769046994b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling combine v4.3.2
[INFO] [stderr]    Compiling heck v0.3.1
[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-derive v0.2.18
[INFO] [stderr]    Compiling serde_yaml v0.8.14
[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=e5103b9ed9cc3c06 -C extra-filename=-e5103b9ed9cc3c06 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern combine=/opt/rustwide/target/debug/deps/libcombine-1396cb943c3b8ac4.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-9e98ff45fa201018.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b2d06f7d60fcbb27.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-93afe3d9087c158b.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-88a1e75c7e2bfbce.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-a072954dd94f2b2a.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-e09a2deefbf48b33.rlib --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-ab593697c15131fe.rlib --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-7a1cbbb94dcc204e.rlib --extern structopt_derive=/opt/rustwide/target/debug/deps/libstructopt_derive-375abf0b8b469dc1.so --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "1fe278c2c9e91b108b9d1f0f7864a710355fd965fdd32cf96721d8769046994b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe278c2c9e91b108b9d1f0f7864a710355fd965fdd32cf96721d8769046994b", kill_on_drop: false }`
[INFO] [stdout] 1fe278c2c9e91b108b9d1f0f7864a710355fd965fdd32cf96721d8769046994b