[INFO] crate strong-xml-derive 0.6.0-alpha is already in cache
[INFO] checking strong-xml-derive-0.6.0-alpha against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate strong-xml-derive 0.6.0-alpha into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate strong-xml-derive 0.6.0-alpha on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate strong-xml-derive 0.6.0-alpha
[INFO] finished tweaking crates.io crate strong-xml-derive 0.6.0-alpha
[INFO] tweaked toml for crates.io crate strong-xml-derive 0.6.0-alpha written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 04f4ddbfe41abf619a1b8ddc3a372789bd0a34d95bf25c7ef976a832956a53d3
[INFO] running `"docker" "start" "-a" "04f4ddbfe41abf619a1b8ddc3a372789bd0a34d95bf25c7ef976a832956a53d3"`
[INFO] [stderr]     Checking syn v1.0.18
[INFO] [stderr]     Checking strong-xml-derive v0.6.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `Newtype`
[INFO] [stderr]   --> src/types.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 | /     Newtype {
[INFO] [stderr] 49 | |         tags: Vec<LitStr>,
[INFO] [stderr] 50 | |         name: Ident,
[INFO] [stderr] 51 | |         ty: Type,
[INFO] [stderr] 52 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Newtype`
[INFO] [stderr]   --> src/types.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 | /     Newtype {
[INFO] [stderr] 49 | |         tags: Vec<LitStr>,
[INFO] [stderr] 50 | |         name: Ident,
[INFO] [stderr] 51 | |         ty: Type,
[INFO] [stderr] 52 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.47s
[INFO] running `"docker" "inspect" "04f4ddbfe41abf619a1b8ddc3a372789bd0a34d95bf25c7ef976a832956a53d3"`
[INFO] running `"docker" "rm" "-f" "04f4ddbfe41abf619a1b8ddc3a372789bd0a34d95bf25c7ef976a832956a53d3"`
[INFO] [stdout] 04f4ddbfe41abf619a1b8ddc3a372789bd0a34d95bf25c7ef976a832956a53d3