[INFO] fetching crate walrus-macro 0.18.0...
[INFO] checking walrus-macro-0.18.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate walrus-macro 0.18.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate walrus-macro 0.18.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate walrus-macro 0.18.0
[INFO] finished tweaking crates.io crate walrus-macro 0.18.0
[INFO] tweaked toml for crates.io crate walrus-macro 0.18.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db1d28e548322ad639bf64512cad2c343e3d0c40cc2d1283d23b5af7225edf31
[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" "db1d28e548322ad639bf64512cad2c343e3d0c40cc2d1283d23b5af7225edf31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db1d28e548322ad639bf64512cad2c343e3d0c40cc2d1283d23b5af7225edf31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db1d28e548322ad639bf64512cad2c343e3d0c40cc2d1283d23b5af7225edf31", kill_on_drop: false }`
[INFO] [stdout] db1d28e548322ad639bf64512cad2c343e3d0c40cc2d1283d23b5af7225edf31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dd1997eae6ad85bd8891af3230fed4e4d01062837d684df5914149a93835d15
[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" "6dd1997eae6ad85bd8891af3230fed4e4d01062837d684df5914149a93835d15", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking heck v0.3.2
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]     Checking syn v1.0.57
[INFO] [stderr]     Checking walrus-macro v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.02s
[INFO] running `Command { std: "docker" "inspect" "6dd1997eae6ad85bd8891af3230fed4e4d01062837d684df5914149a93835d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd1997eae6ad85bd8891af3230fed4e4d01062837d684df5914149a93835d15", kill_on_drop: false }`
[INFO] [stdout] 6dd1997eae6ad85bd8891af3230fed4e4d01062837d684df5914149a93835d15