[INFO] crate webpage 1.1.0 is already in cache
[INFO] checking webpage-1.1.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[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 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c64e88fbb2a248662d276413ac426b0923547c9577407959cfbea672c205492a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c64e88fbb2a248662d276413ac426b0923547c9577407959cfbea672c205492a"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling curl v0.4.29
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling serde_json v1.0.52
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.31+curl-7.70.0
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling syn v1.0.18
[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 v1.0.106
[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" "c64e88fbb2a248662d276413ac426b0923547c9577407959cfbea672c205492a"`
[INFO] running `"docker" "rm" "-f" "c64e88fbb2a248662d276413ac426b0923547c9577407959cfbea672c205492a"`
[INFO] [stdout] c64e88fbb2a248662d276413ac426b0923547c9577407959cfbea672c205492a