[INFO] fetching crate xyzio 0.3.1...
[INFO] checking xyzio-0.3.1 against beta for pr-78714
[INFO] extracting crate xyzio 0.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate xyzio 0.3.1 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 xyzio 0.3.1
[INFO] finished tweaking crates.io crate xyzio 0.3.1
[INFO] tweaked toml for crates.io crate xyzio 0.3.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 7bee0f7136c57932430bd28e566963b96a529fcee788406151741cf326a025c8
[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" "7bee0f7136c57932430bd28e566963b96a529fcee788406151741cf326a025c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bee0f7136c57932430bd28e566963b96a529fcee788406151741cf326a025c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bee0f7136c57932430bd28e566963b96a529fcee788406151741cf326a025c8", kill_on_drop: false }`
[INFO] [stdout] 7bee0f7136c57932430bd28e566963b96a529fcee788406151741cf326a025c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 80acaaa2322551fc4d35a904f4da1897b542b59ddb8636f1e471a386ffe9f70e
[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" "80acaaa2322551fc4d35a904f4da1897b542b59ddb8636f1e471a386ffe9f70e", kill_on_drop: false }`
[INFO] [stderr]     Checking xyzio v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `::types::*`
[INFO] [stdout]   --> src/writer.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     use ::types::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "80acaaa2322551fc4d35a904f4da1897b542b59ddb8636f1e471a386ffe9f70e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80acaaa2322551fc4d35a904f4da1897b542b59ddb8636f1e471a386ffe9f70e", kill_on_drop: false }`
[INFO] [stdout] 80acaaa2322551fc4d35a904f4da1897b542b59ddb8636f1e471a386ffe9f70e