[INFO] fetching crate database 0.5.0...
[INFO] checking database-0.5.0 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate database 0.5.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate database 0.5.0 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate database 0.5.0
[INFO] finished tweaking crates.io crate database 0.5.0
[INFO] tweaked toml for crates.io crate database 0.5.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f927485de7e6c33f54e8277762c20969018ac8882efe20fb72f8b8dc507cbd9
[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" "8f927485de7e6c33f54e8277762c20969018ac8882efe20fb72f8b8dc507cbd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f927485de7e6c33f54e8277762c20969018ac8882efe20fb72f8b8dc507cbd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f927485de7e6c33f54e8277762c20969018ac8882efe20fb72f8b8dc507cbd9", kill_on_drop: false }`
[INFO] [stdout] 8f927485de7e6c33f54e8277762c20969018ac8882efe20fb72f8b8dc507cbd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd744e42b1c4f2532dc685ebaed832a936046a82a25e2d084496b08703d2759c
[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" "cd744e42b1c4f2532dc685ebaed832a936046a82a25e2d084496b08703d2759c", kill_on_drop: false }`
[INFO] [stderr]     Checking database v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "cd744e42b1c4f2532dc685ebaed832a936046a82a25e2d084496b08703d2759c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd744e42b1c4f2532dc685ebaed832a936046a82a25e2d084496b08703d2759c", kill_on_drop: false }`
[INFO] [stdout] cd744e42b1c4f2532dc685ebaed832a936046a82a25e2d084496b08703d2759c