[INFO] fetching crate serbuffer 1.1.1...
[INFO] checking serbuffer-1.1.1 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate serbuffer 1.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate serbuffer 1.1.1 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 serbuffer 1.1.1
[INFO] finished tweaking crates.io crate serbuffer 1.1.1
[INFO] tweaked toml for crates.io crate serbuffer 1.1.1 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 486e97cc9492981275ff8b97cb9fd73f2a6f615ede9a33c61f629c16867c88ed
[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" "486e97cc9492981275ff8b97cb9fd73f2a6f615ede9a33c61f629c16867c88ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "486e97cc9492981275ff8b97cb9fd73f2a6f615ede9a33c61f629c16867c88ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486e97cc9492981275ff8b97cb9fd73f2a6f615ede9a33c61f629c16867c88ed", kill_on_drop: false }`
[INFO] [stdout] 486e97cc9492981275ff8b97cb9fd73f2a6f615ede9a33c61f629c16867c88ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 653f7cffde68afb0f4ee2da259837fb9052234e4bbb24f2a78377677c87b5715
[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" "653f7cffde68afb0f4ee2da259837fb9052234e4bbb24f2a78377677c87b5715", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking serbuffer v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `Command { std: "docker" "inspect" "653f7cffde68afb0f4ee2da259837fb9052234e4bbb24f2a78377677c87b5715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "653f7cffde68afb0f4ee2da259837fb9052234e4bbb24f2a78377677c87b5715", kill_on_drop: false }`
[INFO] [stdout] 653f7cffde68afb0f4ee2da259837fb9052234e4bbb24f2a78377677c87b5715