[INFO] fetching crate ruma-events 0.22.0-alpha.1...
[INFO] checking ruma-events-0.22.0-alpha.1 against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] extracting crate ruma-events 0.22.0-alpha.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ruma-events 0.22.0-alpha.1 on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "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] a88cdd82d0967b49f7a2a5d090230b05151056db9cee3406ed88bf2715a1a022
[INFO] running `Command { std: "docker" "start" "-a" "a88cdd82d0967b49f7a2a5d090230b05151056db9cee3406ed88bf2715a1a022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a88cdd82d0967b49f7a2a5d090230b05151056db9cee3406ed88bf2715a1a022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a88cdd82d0967b49f7a2a5d090230b05151056db9cee3406ed88bf2715a1a022", kill_on_drop: false }`
[INFO] [stdout] a88cdd82d0967b49f7a2a5d090230b05151056db9cee3406ed88bf2715a1a022
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ec283216c11e789fc3191a6bfb9d7e6b0c636c3dc60edc465c5cc6a4dc0d6c7
[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" "1ec283216c11e789fc3191a6bfb9d7e6b0c636c3dc60edc465c5cc6a4dc0d6c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling ruma-events-macros v0.22.0-alpha.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ruma-serde v0.2.3
[INFO] [stderr]     Checking trybuild v1.0.35
[INFO] [stderr]     Checking ruma-identifiers v0.17.4
[INFO] [stderr]     Checking ruma-common v0.2.0
[INFO] [stderr]     Checking ruma-events v0.22.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.29s
[INFO] running `Command { std: "docker" "inspect" "1ec283216c11e789fc3191a6bfb9d7e6b0c636c3dc60edc465c5cc6a4dc0d6c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ec283216c11e789fc3191a6bfb9d7e6b0c636c3dc60edc465c5cc6a4dc0d6c7", kill_on_drop: false }`
[INFO] [stdout] 1ec283216c11e789fc3191a6bfb9d7e6b0c636c3dc60edc465c5cc6a4dc0d6c7