[INFO] fetching crate serde_utils 0.6.2...
[INFO] checking serde_utils-0.6.2 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate serde_utils 0.6.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate serde_utils 0.6.2 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_utils 0.6.2
[INFO] finished tweaking crates.io crate serde_utils 0.6.2
[INFO] tweaked toml for crates.io crate serde_utils 0.6.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4727d8c6b393e425b1c5ea4bdf843cc479993e310f1d3f9cc6bcd0c6db70ed03
[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" "4727d8c6b393e425b1c5ea4bdf843cc479993e310f1d3f9cc6bcd0c6db70ed03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4727d8c6b393e425b1c5ea4bdf843cc479993e310f1d3f9cc6bcd0c6db70ed03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4727d8c6b393e425b1c5ea4bdf843cc479993e310f1d3f9cc6bcd0c6db70ed03", kill_on_drop: false }`
[INFO] [stdout] 4727d8c6b393e425b1c5ea4bdf843cc479993e310f1d3f9cc6bcd0c6db70ed03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdbeae5ee2b6a666c2f458be459c2c7e9fbf8467fd338204b0a181740ff9eb6f
[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" "cdbeae5ee2b6a666c2f458be459c2c7e9fbf8467fd338204b0a181740ff9eb6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking serde_bytes v0.10.5
[INFO] [stderr]     Checking serde_utils v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.87s
[INFO] running `Command { std: "docker" "inspect" "cdbeae5ee2b6a666c2f458be459c2c7e9fbf8467fd338204b0a181740ff9eb6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdbeae5ee2b6a666c2f458be459c2c7e9fbf8467fd338204b0a181740ff9eb6f", kill_on_drop: false }`
[INFO] [stdout] cdbeae5ee2b6a666c2f458be459c2c7e9fbf8467fd338204b0a181740ff9eb6f