[INFO] fetching crate rgb 0.8.24...
[INFO] checking rgb-0.8.24 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate rgb 0.8.24 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rgb 0.8.24 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 rgb 0.8.24
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rgb 0.8.24
[INFO] tweaked toml for crates.io crate rgb 0.8.24 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rgb 0.8.24 already has a lockfile, it will not be regenerated
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 00e82163a753e392a7c8c9120bce8151704fec4f84ae5742a64e713342fd9fb2
[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" "00e82163a753e392a7c8c9120bce8151704fec4f84ae5742a64e713342fd9fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00e82163a753e392a7c8c9120bce8151704fec4f84ae5742a64e713342fd9fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e82163a753e392a7c8c9120bce8151704fec4f84ae5742a64e713342fd9fb2", kill_on_drop: false }`
[INFO] [stdout] 00e82163a753e392a7c8c9120bce8151704fec4f84ae5742a64e713342fd9fb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e8c36375077ea7434619c4d6024c4662ffbf005d72bf45fe249c947687c33228
[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" "e8c36375077ea7434619c4d6024c4662ffbf005d72bf45fe249c947687c33228", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.112
[INFO] [stderr]     Checking bytemuck v1.3.1
[INFO] [stderr]     Checking rgb v0.8.24 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.21s
[INFO] running `Command { std: "docker" "inspect" "e8c36375077ea7434619c4d6024c4662ffbf005d72bf45fe249c947687c33228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c36375077ea7434619c4d6024c4662ffbf005d72bf45fe249c947687c33228", kill_on_drop: false }`
[INFO] [stdout] e8c36375077ea7434619c4d6024c4662ffbf005d72bf45fe249c947687c33228
