[INFO] fetching crate serde_yaml 0.8.13...
[INFO] checking serde_yaml-0.8.13 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate serde_yaml 0.8.13 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate serde_yaml 0.8.13 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_yaml 0.8.13
[INFO] finished tweaking crates.io crate serde_yaml 0.8.13
[INFO] tweaked toml for crates.io crate serde_yaml 0.8.13 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fff9960d36e96828688921a5d29ace22ef306e362bcead1f4a3cb0e6a088f594
[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" "fff9960d36e96828688921a5d29ace22ef306e362bcead1f4a3cb0e6a088f594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fff9960d36e96828688921a5d29ace22ef306e362bcead1f4a3cb0e6a088f594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff9960d36e96828688921a5d29ace22ef306e362bcead1f4a3cb0e6a088f594", kill_on_drop: false }`
[INFO] [stdout] fff9960d36e96828688921a5d29ace22ef306e362bcead1f4a3cb0e6a088f594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccab4197f97458964f198979d3f6e47a2ae1b7841e591ed9d0ba2e13117bfec1
[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" "ccab4197f97458964f198979d3f6e47a2ae1b7841e591ed9d0ba2e13117bfec1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking unindent v0.1.6
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking serde_yaml v0.8.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.09s
[INFO] running `Command { std: "docker" "inspect" "ccab4197f97458964f198979d3f6e47a2ae1b7841e591ed9d0ba2e13117bfec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccab4197f97458964f198979d3f6e47a2ae1b7841e591ed9d0ba2e13117bfec1", kill_on_drop: false }`
[INFO] [stdout] ccab4197f97458964f198979d3f6e47a2ae1b7841e591ed9d0ba2e13117bfec1
