[INFO] fetching crate simple-xml 0.1.10...
[INFO] checking simple-xml-0.1.10 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate simple-xml 0.1.10 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate simple-xml 0.1.10 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-xml 0.1.10
[INFO] finished tweaking crates.io crate simple-xml 0.1.10
[INFO] tweaked toml for crates.io crate simple-xml 0.1.10 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+da897dfb6daa268a965d2d73620316ba56020a19" "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] 50e4e9dec7a5fd42c9f3b58b3a43b65a3ada09c0ca885e636a9fa285ffdaffca
[INFO] running `Command { std: "docker" "start" "-a" "50e4e9dec7a5fd42c9f3b58b3a43b65a3ada09c0ca885e636a9fa285ffdaffca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50e4e9dec7a5fd42c9f3b58b3a43b65a3ada09c0ca885e636a9fa285ffdaffca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e4e9dec7a5fd42c9f3b58b3a43b65a3ada09c0ca885e636a9fa285ffdaffca", kill_on_drop: false }`
[INFO] [stdout] 50e4e9dec7a5fd42c9f3b58b3a43b65a3ada09c0ca885e636a9fa285ffdaffca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e8db1ba42cab22ccf3bba78544a3a5af35e420bfdf0fbff9e70b8420892ef9e
[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" "2e8db1ba42cab22ccf3bba78544a3a5af35e420bfdf0fbff9e70b8420892ef9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking simple-xml v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]   --> tests/parse.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let root = match simple_xml::from_file("./examples/cube.dae") {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 6.57s
[INFO] running `Command { std: "docker" "inspect" "2e8db1ba42cab22ccf3bba78544a3a5af35e420bfdf0fbff9e70b8420892ef9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e8db1ba42cab22ccf3bba78544a3a5af35e420bfdf0fbff9e70b8420892ef9e", kill_on_drop: false }`
[INFO] [stdout] 2e8db1ba42cab22ccf3bba78544a3a5af35e420bfdf0fbff9e70b8420892ef9e