[INFO] fetching crate cxx-gen 0.7.31...
[INFO] checking cxx-gen-0.7.31 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate cxx-gen 0.7.31 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate cxx-gen 0.7.31 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cxx-gen 0.7.31
[INFO] finished tweaking crates.io crate cxx-gen 0.7.31
[INFO] tweaked toml for crates.io crate cxx-gen 0.7.31 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", 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] 5372bf073f03b49b4af805dfb784ffd82f3f3fb0b9778aadd7dfd6feddda2b29
[INFO] running `Command { std: "docker" "start" "-a" "5372bf073f03b49b4af805dfb784ffd82f3f3fb0b9778aadd7dfd6feddda2b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5372bf073f03b49b4af805dfb784ffd82f3f3fb0b9778aadd7dfd6feddda2b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5372bf073f03b49b4af805dfb784ffd82f3f3fb0b9778aadd7dfd6feddda2b29", kill_on_drop: false }`
[INFO] [stdout] 5372bf073f03b49b4af805dfb784ffd82f3f3fb0b9778aadd7dfd6feddda2b29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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] c20c3324e70f583481f8f1709c61d84ebce3a2e6e93ff2f332d544611142c37a
[INFO] running `Command { std: "docker" "start" "-a" "c20c3324e70f583481f8f1709c61d84ebce3a2e6e93ff2f332d544611142c37a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking cc v1.0.67
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking cxx-gen v0.7.31 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.90s
[INFO] running `Command { std: "docker" "inspect" "c20c3324e70f583481f8f1709c61d84ebce3a2e6e93ff2f332d544611142c37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c20c3324e70f583481f8f1709c61d84ebce3a2e6e93ff2f332d544611142c37a", kill_on_drop: false }`
[INFO] [stdout] c20c3324e70f583481f8f1709c61d84ebce3a2e6e93ff2f332d544611142c37a