[INFO] fetching crate random-number-macro-impl 0.1.3...
[INFO] checking random-number-macro-impl-0.1.3 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate random-number-macro-impl 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate random-number-macro-impl 0.1.3 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate random-number-macro-impl 0.1.3
[INFO] finished tweaking crates.io crate random-number-macro-impl 0.1.3
[INFO] tweaked toml for crates.io crate random-number-macro-impl 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1595f4eeebf00e4ae4974541436d75bbe6cbdeaa7d1f45dd8c28df6250acdca
[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" "f1595f4eeebf00e4ae4974541436d75bbe6cbdeaa7d1f45dd8c28df6250acdca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1595f4eeebf00e4ae4974541436d75bbe6cbdeaa7d1f45dd8c28df6250acdca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1595f4eeebf00e4ae4974541436d75bbe6cbdeaa7d1f45dd8c28df6250acdca", kill_on_drop: false }`
[INFO] [stdout] f1595f4eeebf00e4ae4974541436d75bbe6cbdeaa7d1f45dd8c28df6250acdca
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 30d1d07f30b512aec5a20289ff533d6a0003e658662a59dcd6bbb714fa3f35ed
[INFO] running `Command { std: "docker" "start" "-a" "30d1d07f30b512aec5a20289ff533d6a0003e658662a59dcd6bbb714fa3f35ed", kill_on_drop: false }`
[INFO] [stderr]     Checking proc-macro2 v1.0.26
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking syn v1.0.71
[INFO] [stderr]     Checking random-number-macro-impl v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `Command { std: "docker" "inspect" "30d1d07f30b512aec5a20289ff533d6a0003e658662a59dcd6bbb714fa3f35ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30d1d07f30b512aec5a20289ff533d6a0003e658662a59dcd6bbb714fa3f35ed", kill_on_drop: false }`
[INFO] [stdout] 30d1d07f30b512aec5a20289ff533d6a0003e658662a59dcd6bbb714fa3f35ed