[INFO] crate registry 1.0.0-alpha.1 is already in cache
[INFO] checking registry-1.0.0-alpha.1 against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] extracting crate registry 1.0.0-alpha.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate registry 1.0.0-alpha.1 on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate registry 1.0.0-alpha.1
[INFO] finished tweaking crates.io crate registry 1.0.0-alpha.1
[INFO] tweaked toml for crates.io crate registry 1.0.0-alpha.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3345a243cc94705205e9aaeafa1db9c5db979bba1f12c5eb5727b6ec9ef66644
[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" "3345a243cc94705205e9aaeafa1db9c5db979bba1f12c5eb5727b6ec9ef66644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3345a243cc94705205e9aaeafa1db9c5db979bba1f12c5eb5727b6ec9ef66644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3345a243cc94705205e9aaeafa1db9c5db979bba1f12c5eb5727b6ec9ef66644", kill_on_drop: false }`
[INFO] [stdout] 3345a243cc94705205e9aaeafa1db9c5db979bba1f12c5eb5727b6ec9ef66644
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 512c0ebc4f642ddbfb24a328b5fb6b2c303705970f2ac7c45c4d9ebc9c24e60b
[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" "512c0ebc4f642ddbfb24a328b5fb6b2c303705970f2ac7c45c4d9ebc9c24e60b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking utfx v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking registry v1.0.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.80s
[INFO] running `Command { std: "docker" "inspect" "512c0ebc4f642ddbfb24a328b5fb6b2c303705970f2ac7c45c4d9ebc9c24e60b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "512c0ebc4f642ddbfb24a328b5fb6b2c303705970f2ac7c45c4d9ebc9c24e60b", kill_on_drop: false }`
[INFO] [stdout] 512c0ebc4f642ddbfb24a328b5fb6b2c303705970f2ac7c45c4d9ebc9c24e60b