[INFO] fetching crate ruma-events 0.22.0-alpha.2...
[INFO] testing ruma-events-0.22.0-alpha.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ruma-events 0.22.0-alpha.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ruma-events 0.22.0-alpha.2 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 crates.io crate ruma-events 0.22.0-alpha.2
[INFO] finished tweaking crates.io crate ruma-events 0.22.0-alpha.2
[INFO] tweaked toml for crates.io crate ruma-events 0.22.0-alpha.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4640dd1afb66ba270e34a5030d3b00813607ae2676890e73191ffc000da7e530
[INFO] running `Command { std: "docker" "start" "-a" "4640dd1afb66ba270e34a5030d3b00813607ae2676890e73191ffc000da7e530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4640dd1afb66ba270e34a5030d3b00813607ae2676890e73191ffc000da7e530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4640dd1afb66ba270e34a5030d3b00813607ae2676890e73191ffc000da7e530", kill_on_drop: false }`
[INFO] [stdout] 4640dd1afb66ba270e34a5030d3b00813607ae2676890e73191ffc000da7e530
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 82692cecd74064251d0293f78b4a53f236848aa725d932bdd10cdca922d154ea
[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" "82692cecd74064251d0293f78b4a53f236848aa725d932bdd10cdca922d154ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling js_int v0.2.0
[INFO] [stderr]    Compiling ruma-identifiers-validation v0.2.0
[INFO] [stderr]    Compiling ruma-identifiers-macros v0.18.0-alpha.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling ruma-serde-macros v0.3.0
[INFO] [stderr]    Compiling ruma-events-macros v0.22.0-alpha.2
[INFO] [stderr]    Compiling ruma-serde v0.3.0
[INFO] [stderr]    Compiling ruma-identifiers v0.18.0-alpha.1
[INFO] [stderr]    Compiling ruma-common v0.3.0-alpha.1
[INFO] [stderr]    Compiling ruma-events v0.22.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "82692cecd74064251d0293f78b4a53f236848aa725d932bdd10cdca922d154ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82692cecd74064251d0293f78b4a53f236848aa725d932bdd10cdca922d154ea", kill_on_drop: false }`
[INFO] [stdout] 82692cecd74064251d0293f78b4a53f236848aa725d932bdd10cdca922d154ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc1b8616a2e4586e782d972a5f4bd8c2d92c9948b0cf9ef12adf6d45ecfb3544
[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" "cc1b8616a2e4586e782d972a5f4bd8c2d92c9948b0cf9ef12adf6d45ecfb3544", kill_on_drop: false }`
[INFO] [stderr]    Compiling trybuild v1.0.38
[INFO] [stderr]    Compiling ruma-events v0.22.0-alpha.2 (/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 redacted --edition=2018 tests/redacted.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=ff66d676cedd11dd -C extra-filename=-ff66d676cedd11dd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern js_int=/opt/rustwide/target/debug/deps/libjs_int-9af92c59ce3fa9d3.rlib --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-a011c700aac1c3f1.rlib --extern matches=/opt/rustwide/target/debug/deps/libmatches-5499bb0a916b29b9.rlib --extern ruma_common=/opt/rustwide/target/debug/deps/libruma_common-50b5a1a972d5c3e5.rlib --extern ruma_events=/opt/rustwide/target/debug/deps/libruma_events-b4252445ec063570.rlib --extern ruma_events_macros=/opt/rustwide/target/debug/deps/libruma_events_macros-bed19ac2d6d41398.so --extern ruma_identifiers=/opt/rustwide/target/debug/deps/libruma_identifiers-3579a71ce98d3921.rlib --extern ruma_serde=/opt/rustwide/target/debug/deps/libruma_serde-aa3e74955a842d42.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-52298bd38bc67252.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-ad5f90e66edc67fa.rlib --extern trybuild=/opt/rustwide/target/debug/deps/libtrybuild-c6d67b2f6b8025fe.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" "cc1b8616a2e4586e782d972a5f4bd8c2d92c9948b0cf9ef12adf6d45ecfb3544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc1b8616a2e4586e782d972a5f4bd8c2d92c9948b0cf9ef12adf6d45ecfb3544", kill_on_drop: false }`
[INFO] [stdout] cc1b8616a2e4586e782d972a5f4bd8c2d92c9948b0cf9ef12adf6d45ecfb3544