[INFO] fetching crate ruma-events-macros 0.22.0-alpha.1...
[INFO] checking ruma-events-macros-0.22.0-alpha.1 against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] extracting crate ruma-events-macros 0.22.0-alpha.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ruma-events-macros 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-macros 0.22.0-alpha.1
[INFO] finished tweaking crates.io crate ruma-events-macros 0.22.0-alpha.1
[INFO] tweaked toml for crates.io crate ruma-events-macros 0.22.0-alpha.1 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 40a546e466cf7b1fc1ada625b716d51e81c935837d606f30c032b764ffc00299
[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" "40a546e466cf7b1fc1ada625b716d51e81c935837d606f30c032b764ffc00299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40a546e466cf7b1fc1ada625b716d51e81c935837d606f30c032b764ffc00299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a546e466cf7b1fc1ada625b716d51e81c935837d606f30c032b764ffc00299", kill_on_drop: false }`
[INFO] [stdout] 40a546e466cf7b1fc1ada625b716d51e81c935837d606f30c032b764ffc00299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 5956b71fc05b58d5177aef62a447d7fbdd0d58cbbda11ad1a82795fd797f854c
[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" "5956b71fc05b58d5177aef62a447d7fbdd0d58cbbda11ad1a82795fd797f854c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking proc-macro2 v1.0.23
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking ruma-events-macros v0.22.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking ruma-identifiers-validation v0.1.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking js_int v0.1.9
[INFO] [stderr]    Compiling ruma-identifiers-macros v0.17.4
[INFO] [stderr]     Checking ruma-identifiers v0.17.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.50s
[INFO] running `Command { std: "docker" "inspect" "5956b71fc05b58d5177aef62a447d7fbdd0d58cbbda11ad1a82795fd797f854c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5956b71fc05b58d5177aef62a447d7fbdd0d58cbbda11ad1a82795fd797f854c", kill_on_drop: false }`
[INFO] [stdout] 5956b71fc05b58d5177aef62a447d7fbdd0d58cbbda11ad1a82795fd797f854c