[INFO] fetching crate tophat 0.2.1...
[INFO] testing tophat-0.2.1 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate tophat 0.2.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate tophat 0.2.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tophat 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tophat 0.2.1
[INFO] tweaked toml for crates.io crate tophat 0.2.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate tophat 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jsonwebtoken v7.1.0
[INFO] [stderr]   Downloaded wepoll-binding v2.0.0
[INFO] [stderr]   Downloaded path-tree v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 368bd302ecc45dc996960c8e5c2f5988177807dc396bd9521906a5334cea93d6
[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" "368bd302ecc45dc996960c8e5c2f5988177807dc396bd9521906a5334cea93d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "368bd302ecc45dc996960c8e5c2f5988177807dc396bd9521906a5334cea93d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "368bd302ecc45dc996960c8e5c2f5988177807dc396bd9521906a5334cea93d6", kill_on_drop: false }`
[INFO] [stdout] 368bd302ecc45dc996960c8e5c2f5988177807dc396bd9521906a5334cea93d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 487b6771c8a5734d266fef472ee4353d66cc249393932656bc3611e68e25370e
[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" "487b6771c8a5734d266fef472ee4353d66cc249393932656bc3611e68e25370e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling byte-pool v0.2.1
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling pin-project v0.4.17
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling piper v0.1.2
[INFO] [stderr]    Compiling tophat v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.40s
[INFO] running `Command { std: "docker" "inspect" "487b6771c8a5734d266fef472ee4353d66cc249393932656bc3611e68e25370e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "487b6771c8a5734d266fef472ee4353d66cc249393932656bc3611e68e25370e", kill_on_drop: false }`
[INFO] [stdout] 487b6771c8a5734d266fef472ee4353d66cc249393932656bc3611e68e25370e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2020-10-09" "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] 9a0749d2a3bae262ad4c9ca21bea78dfb0fd6727c95628346edcbfd2e9fb1072
[INFO] running `Command { std: "docker" "start" "-a" "9a0749d2a3bae262ad4c9ca21bea78dfb0fd6727c95628346edcbfd2e9fb1072", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling smol v0.1.10
[INFO] [stderr]    Compiling tophat v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `tophat`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name basic --edition=2018 tests/basic.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=f5b183ed599a707f -C extra-filename=-f5b183ed599a707f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern byte_pool=/opt/rustwide/target/debug/deps/libbyte_pool-15071dcbb3ffa4f8.rlib --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-3847b1d963e5b5d3.rlib --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-cde5d1c7c468dd48.rlib --extern futures_timer=/opt/rustwide/target/debug/deps/libfutures_timer-40ae6f845f68edc3.rlib --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-ba0ad4224dd8833f.rlib --extern http=/opt/rustwide/target/debug/deps/libhttp-02e0bc61e4b2dfb3.rlib --extern httparse=/opt/rustwide/target/debug/deps/libhttparse-e0ff37260b32465b.rlib --extern httpdate=/opt/rustwide/target/debug/deps/libhttpdate-1eb370f3c1c0568c.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-03dc560a77c5aa3e.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-6126053784ee4a98.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-0dcbeadfe19bbe19.rlib --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-e6a929fbed197d6b.rlib --extern piper=/opt/rustwide/target/debug/deps/libpiper-a880223a706c6fa9.rlib --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-30a9b2c913489bab.rlib --extern smol=/opt/rustwide/target/debug/deps/libsmol-2c76b6ff3ff1adda.rlib --extern tophat=/opt/rustwide/target/debug/deps/libtophat-538bd90edcd0875d.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" "9a0749d2a3bae262ad4c9ca21bea78dfb0fd6727c95628346edcbfd2e9fb1072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a0749d2a3bae262ad4c9ca21bea78dfb0fd6727c95628346edcbfd2e9fb1072", kill_on_drop: false }`
[INFO] [stdout] 9a0749d2a3bae262ad4c9ca21bea78dfb0fd6727c95628346edcbfd2e9fb1072
