[INFO] fetching crate ruma-events 0.22.0-alpha.1...
[INFO] testing ruma-events-0.22.0-alpha.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate ruma-events 0.22.0-alpha.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ruma-events 0.22.0-alpha.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruma-events 0.22.0-alpha.1
[INFO] finished tweaking crates.io crate ruma-events 0.22.0-alpha.1
[INFO] tweaked toml for crates.io crate ruma-events 0.22.0-alpha.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 6ad6b96484a73f52fafa62a6d30d64df9613d78826ee8edcdf60db4b8393b48c
[INFO] running `Command { std: "docker" "start" "-a" "6ad6b96484a73f52fafa62a6d30d64df9613d78826ee8edcdf60db4b8393b48c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ad6b96484a73f52fafa62a6d30d64df9613d78826ee8edcdf60db4b8393b48c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ad6b96484a73f52fafa62a6d30d64df9613d78826ee8edcdf60db4b8393b48c", kill_on_drop: false }`
[INFO] [stdout] 6ad6b96484a73f52fafa62a6d30d64df9613d78826ee8edcdf60db4b8393b48c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fad32571619c0e367dc2deb25246ec31fae1815f670074eeeda94bac34ae35c
[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" "8fad32571619c0e367dc2deb25246ec31fae1815f670074eeeda94bac34ae35c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling ruma-events-macros v0.22.0-alpha.1
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling ruma-identifiers-validation v0.1.0
[INFO] [stderr]    Compiling ruma-identifiers-macros v0.17.2
[INFO] [stderr]    Compiling js_int v0.1.9
[INFO] [stderr]    Compiling ruma-identifiers v0.17.2
[INFO] [stderr]    Compiling ruma-serde v0.2.3
[INFO] [stderr]    Compiling ruma-common v0.2.0
[INFO] [stderr]    Compiling ruma-events v0.22.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.54s
[INFO] running `Command { std: "docker" "inspect" "8fad32571619c0e367dc2deb25246ec31fae1815f670074eeeda94bac34ae35c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fad32571619c0e367dc2deb25246ec31fae1815f670074eeeda94bac34ae35c", kill_on_drop: false }`
[INFO] [stdout] 8fad32571619c0e367dc2deb25246ec31fae1815f670074eeeda94bac34ae35c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8639c848273599a8a4d6edd1f7fbf8fe23df893485313814b6e137d6d31bb01f
[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" "8639c848273599a8a4d6edd1f7fbf8fe23df893485313814b6e137d6d31bb01f", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling trybuild v1.0.31
[INFO] [stderr]    Compiling ruma-events v0.22.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `ruma-events`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name enums --edition=2018 tests/enums.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 --test -C metadata=c27ca22e613b0318 -C extra-filename=-c27ca22e613b0318 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern js_int=/opt/rustwide/target/debug/deps/libjs_int-b5f185c43a4d5693.rlib --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-34a7d8632d55ec57.rlib --extern matches=/opt/rustwide/target/debug/deps/libmatches-bbcc1f6f6a0b4874.rlib --extern ruma_common=/opt/rustwide/target/debug/deps/libruma_common-0b3de29a6fb822ea.rlib --extern ruma_events=/opt/rustwide/target/debug/deps/libruma_events-f18610a60ec92888.rlib --extern ruma_events_macros=/opt/rustwide/target/debug/deps/libruma_events_macros-fa47334beee93013.so --extern ruma_identifiers=/opt/rustwide/target/debug/deps/libruma_identifiers-e836dd3870d43e3e.rlib --extern ruma_serde=/opt/rustwide/target/debug/deps/libruma_serde-a84e55d8f92cb4d4.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-de667b3531ba986e.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-5d8608e96a2cd1ea.rlib --extern strum=/opt/rustwide/target/debug/deps/libstrum-2337923eb685bd50.rlib --extern trybuild=/opt/rustwide/target/debug/deps/libtrybuild-a0c6f41d9df86ba4.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" "8639c848273599a8a4d6edd1f7fbf8fe23df893485313814b6e137d6d31bb01f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8639c848273599a8a4d6edd1f7fbf8fe23df893485313814b6e137d6d31bb01f", kill_on_drop: false }`
[INFO] [stdout] 8639c848273599a8a4d6edd1f7fbf8fe23df893485313814b6e137d6d31bb01f