[INFO] fetching crate rants 0.5.0...
[INFO] testing rants-0.5.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate rants 0.5.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rants 0.5.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rants 0.5.0
[INFO] finished tweaking crates.io crate rants 0.5.0
[INFO] tweaked toml for crates.io crate rants 0.5.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] 2539060cf5eb3ca869cc3035c8489c62e168615f3f5e6326cf71893eb2e5b49b
[INFO] running `Command { std: "docker" "start" "-a" "2539060cf5eb3ca869cc3035c8489c62e168615f3f5e6326cf71893eb2e5b49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2539060cf5eb3ca869cc3035c8489c62e168615f3f5e6326cf71893eb2e5b49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2539060cf5eb3ca869cc3035c8489c62e168615f3f5e6326cf71893eb2e5b49b", kill_on_drop: false }`
[INFO] [stdout] 2539060cf5eb3ca869cc3035c8489c62e168615f3f5e6326cf71893eb2e5b49b
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bbfa159b3ab6282d6c75ca8da9dc3ed26e49242ec7158db0774dbc4b33729dd
[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" "5bbfa159b3ab6282d6c75ca8da9dc3ed26e49242ec7158db0774dbc4b33729dd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling futures-io v0.3.6
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling futures-task v0.3.6
[INFO] [stderr]    Compiling futures-channel v0.3.6
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling futures-util v0.3.6
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling futures-executor v0.3.6
[INFO] [stderr]    Compiling futures v0.3.6
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling rants v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.89s
[INFO] running `Command { std: "docker" "inspect" "5bbfa159b3ab6282d6c75ca8da9dc3ed26e49242ec7158db0774dbc4b33729dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bbfa159b3ab6282d6c75ca8da9dc3ed26e49242ec7158db0774dbc4b33729dd", kill_on_drop: false }`
[INFO] [stdout] 5bbfa159b3ab6282d6c75ca8da9dc3ed26e49242ec7158db0774dbc4b33729dd
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--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] 78fa6cfa0f2df63101c020df876a87806e83db6ac9a29f26642126418db01c90
[INFO] running `Command { std: "docker" "start" "-a" "78fa6cfa0f2df63101c020df876a87806e83db6ac9a29f26642126418db01c90", kill_on_drop: false }`
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling hostname v0.2.0
[INFO] [stderr]    Compiling rants v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `rants`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name echo --edition=2018 tests/echo.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' -C metadata=3edb74dc19269e8e -C extra-filename=-3edb74dc19269e8e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-08650bc8a1092bcf.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-2bb11f5950c447f0.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-bd573f0173b77832.rlib --extern hostname=/opt/rustwide/target/debug/deps/libhostname-b619cbf01e2ab4db.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-c0aac21270a44eb0.rlib --extern nom=/opt/rustwide/target/debug/deps/libnom-4a6e24a0bb01ccfe.rlib --extern owning_ref=/opt/rustwide/target/debug/deps/libowning_ref-a36bd0dfd85c6bc6.rlib --extern pin_project=/opt/rustwide/target/debug/deps/libpin_project-434ff96b55e58135.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-ca231ed64fc376a5.rlib --extern rants=/opt/rustwide/target/debug/deps/librants-b6a72f43639483fd.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-bd298192f5e9489d.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-94a0cc463dd8241e.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-c93c4024698318ff.rlib --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-3d059d2b87767c73.rlib --extern uuid=/opt/rustwide/target/debug/deps/libuuid-6c236c0e7ea383f0.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" "78fa6cfa0f2df63101c020df876a87806e83db6ac9a29f26642126418db01c90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78fa6cfa0f2df63101c020df876a87806e83db6ac9a29f26642126418db01c90", kill_on_drop: false }`
[INFO] [stdout] 78fa6cfa0f2df63101c020df876a87806e83db6ac9a29f26642126418db01c90
