[INFO] crate webpage 1.1.0 is already in cache
[INFO] checking webpage-1.1.0 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate webpage 1.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate webpage 1.1.0 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate webpage 1.1.0
[INFO] finished tweaking crates.io crate webpage 1.1.0
[INFO] tweaked toml for crates.io crate webpage 1.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] 10601fd59e3ca81572ddd0d9f5e4a05ce1b7e130f48b21161b6c9bac8e8d4a0d
[INFO] running `"docker" "start" "-a" "10601fd59e3ca81572ddd0d9f5e4a05ce1b7e130f48b21161b6c9bac8e8d4a0d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling curl v0.4.29
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling openssl-sys v0.9.56
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.31+curl-7.70.0
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]     Checking webpage v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `is_none` found for struct `std::vec::Vec<schema_org::SchemaOrg>` in the current scope
[INFO] [stderr]   --> src/schema_org.rs:45:24
[INFO] [stderr]    |
[INFO] [stderr] 45 |         assert!(schema.is_none());
[INFO] [stderr]    |                        ^^^^^^^ method not found in `std::vec::Vec<schema_org::SchemaOrg>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_some` found for struct `std::vec::Vec<schema_org::SchemaOrg>` in the current scope
[INFO] [stderr]   --> src/schema_org.rs:51:24
[INFO] [stderr]    |
[INFO] [stderr] 51 |         assert!(schema.is_some());
[INFO] [stderr]    |                        ^^^^^^^ method not found in `std::vec::Vec<schema_org::SchemaOrg>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `unwrap` found for struct `std::vec::Vec<schema_org::SchemaOrg>` in the current scope
[INFO] [stderr]   --> src/schema_org.rs:52:27
[INFO] [stderr]    |
[INFO] [stderr] 52 |         assert_eq!(schema.unwrap().schema_type, "article");
[INFO] [stderr]    |                           ^^^^^^ method not found in `std::vec::Vec<schema_org::SchemaOrg>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `webpage`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "10601fd59e3ca81572ddd0d9f5e4a05ce1b7e130f48b21161b6c9bac8e8d4a0d"`
[INFO] running `"docker" "rm" "-f" "10601fd59e3ca81572ddd0d9f5e4a05ce1b7e130f48b21161b6c9bac8e8d4a0d"`
[INFO] [stdout] 10601fd59e3ca81572ddd0d9f5e4a05ce1b7e130f48b21161b6c9bac8e8d4a0d