[INFO] fetching crate remote-trait-object 0.4.3...
[INFO] checking remote-trait-object-0.4.3 against beta for pr-78714
[INFO] extracting crate remote-trait-object 0.4.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate remote-trait-object 0.4.3 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate remote-trait-object 0.4.3
[INFO] finished tweaking crates.io crate remote-trait-object 0.4.3
[INFO] tweaked toml for crates.io crate remote-trait-object 0.4.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b54d303cb00124e3f4c0eaf2870733d3ce9f83697078485fe800c0ae36822456
[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" "b54d303cb00124e3f4c0eaf2870733d3ce9f83697078485fe800c0ae36822456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b54d303cb00124e3f4c0eaf2870733d3ce9f83697078485fe800c0ae36822456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54d303cb00124e3f4c0eaf2870733d3ce9f83697078485fe800c0ae36822456", kill_on_drop: false }`
[INFO] [stdout] b54d303cb00124e3f4c0eaf2870733d3ce9f83697078485fe800c0ae36822456
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63ad5c0af374cc749b996e10051db4c70651296bd90d6a6aa73cdfc6e8ea5a14
[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" "63ad5c0af374cc749b996e10051db4c70651296bd90d6a6aa73cdfc6e8ea5a14", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling linkme-impl v0.2.2
[INFO] [stderr]     Checking linkme v0.2.2
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling remote-trait-object-macro v0.4.1
[INFO] [stderr]     Checking remote-trait-object v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.78s
[INFO] running `Command { std: "docker" "inspect" "63ad5c0af374cc749b996e10051db4c70651296bd90d6a6aa73cdfc6e8ea5a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63ad5c0af374cc749b996e10051db4c70651296bd90d6a6aa73cdfc6e8ea5a14", kill_on_drop: false }`
[INFO] [stdout] 63ad5c0af374cc749b996e10051db4c70651296bd90d6a6aa73cdfc6e8ea5a14