[INFO] fetching crate ruma-api-macros 0.17.0-alpha.4...
[INFO] checking ruma-api-macros-0.17.0-alpha.4 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate ruma-api-macros 0.17.0-alpha.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ruma-api-macros 0.17.0-alpha.4 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruma-api-macros 0.17.0-alpha.4
[INFO] finished tweaking crates.io crate ruma-api-macros 0.17.0-alpha.4
[INFO] tweaked toml for crates.io crate ruma-api-macros 0.17.0-alpha.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92c35d1cc032286be8a38a8b335c2e7872627b2355637f60beaee6c063aba294
[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" "92c35d1cc032286be8a38a8b335c2e7872627b2355637f60beaee6c063aba294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92c35d1cc032286be8a38a8b335c2e7872627b2355637f60beaee6c063aba294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92c35d1cc032286be8a38a8b335c2e7872627b2355637f60beaee6c063aba294", kill_on_drop: false }`
[INFO] [stdout] 92c35d1cc032286be8a38a8b335c2e7872627b2355637f60beaee6c063aba294
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e4b9c71ecae1bac7f4e756bfd5c9e9480805f3eeafbd7ca75c0f790d5fa7b87
[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" "7e4b9c71ecae1bac7f4e756bfd5c9e9480805f3eeafbd7ca75c0f790d5fa7b87", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking proc-macro-crate v1.0.0
[INFO] [stderr]     Checking ruma-api-macros v0.17.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.17s
[INFO] running `Command { std: "docker" "inspect" "7e4b9c71ecae1bac7f4e756bfd5c9e9480805f3eeafbd7ca75c0f790d5fa7b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e4b9c71ecae1bac7f4e756bfd5c9e9480805f3eeafbd7ca75c0f790d5fa7b87", kill_on_drop: false }`
[INFO] [stdout] 7e4b9c71ecae1bac7f4e756bfd5c9e9480805f3eeafbd7ca75c0f790d5fa7b87