[INFO] fetching crate curlyconf 0.1.0-alpha.4...
[INFO] checking curlyconf-0.1.0-alpha.4 against beta for pr-78714
[INFO] extracting crate curlyconf 0.1.0-alpha.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate curlyconf 0.1.0-alpha.4 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate curlyconf 0.1.0-alpha.4
[INFO] finished tweaking crates.io crate curlyconf 0.1.0-alpha.4
[INFO] tweaked toml for crates.io crate curlyconf 0.1.0-alpha.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate curlyconf 0.1.0-alpha.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] aa874bae0ece1657edd3644ed809e16d33687de72da707ab4f431198efe394ca
[INFO] running `Command { std: "docker" "start" "-a" "aa874bae0ece1657edd3644ed809e16d33687de72da707ab4f431198efe394ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa874bae0ece1657edd3644ed809e16d33687de72da707ab4f431198efe394ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa874bae0ece1657edd3644ed809e16d33687de72da707ab4f431198efe394ca", kill_on_drop: false }`
[INFO] [stdout] aa874bae0ece1657edd3644ed809e16d33687de72da707ab4f431198efe394ca
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 82c1e6bc4fc597bc7bcb3ddbf5e4fffbccb2c75550d96eb388816d9962a877c4
[INFO] running `Command { std: "docker" "start" "-a" "82c1e6bc4fc597bc7bcb3ddbf5e4fffbccb2c75550d96eb388816d9962a877c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking serde_test v1.0.115
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking curlyconf v0.1.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.55s
[INFO] running `Command { std: "docker" "inspect" "82c1e6bc4fc597bc7bcb3ddbf5e4fffbccb2c75550d96eb388816d9962a877c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82c1e6bc4fc597bc7bcb3ddbf5e4fffbccb2c75550d96eb388816d9962a877c4", kill_on_drop: false }`
[INFO] [stdout] 82c1e6bc4fc597bc7bcb3ddbf5e4fffbccb2c75550d96eb388816d9962a877c4