[INFO] fetching crate integer-encoding 2.0.0...
[INFO] checking integer-encoding-2.0.0 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate integer-encoding 2.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate integer-encoding 2.0.0 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate integer-encoding 2.0.0
[INFO] finished tweaking crates.io crate integer-encoding 2.0.0
[INFO] tweaked toml for crates.io crate integer-encoding 2.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 870a0d25a65dbed78f56f18b526c2f357ef064df17a898d9b165d805b105e89d
[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" "870a0d25a65dbed78f56f18b526c2f357ef064df17a898d9b165d805b105e89d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "870a0d25a65dbed78f56f18b526c2f357ef064df17a898d9b165d805b105e89d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "870a0d25a65dbed78f56f18b526c2f357ef064df17a898d9b165d805b105e89d", kill_on_drop: false }`
[INFO] [stdout] 870a0d25a65dbed78f56f18b526c2f357ef064df17a898d9b165d805b105e89d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 736626617eb98726424c0088d9f51bca21cb751d6f5c8d9b90870f5492fc3efc
[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" "736626617eb98726424c0088d9f51bca21cb751d6f5c8d9b90870f5492fc3efc", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking integer-encoding v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.56s
[INFO] running `Command { std: "docker" "inspect" "736626617eb98726424c0088d9f51bca21cb751d6f5c8d9b90870f5492fc3efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "736626617eb98726424c0088d9f51bca21cb751d6f5c8d9b90870f5492fc3efc", kill_on_drop: false }`
[INFO] [stdout] 736626617eb98726424c0088d9f51bca21cb751d6f5c8d9b90870f5492fc3efc