[INFO] crate async-fetch 0.4.0 is already in cache
[INFO] testing async-fetch-0.4.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate async-fetch 0.4.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate async-fetch 0.4.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate async-fetch 0.4.0
[INFO] finished tweaking crates.io crate async-fetch 0.4.0
[INFO] tweaked toml for crates.io crate async-fetch 0.4.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca4295b2b19ee114aa31cff62155a2bb212ea040db5163472cb637d71627e8ed
[INFO] running `"docker" "start" "-a" "ca4295b2b19ee114aa31cff62155a2bb212ea040db5163472cb637d71627e8ed"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling async-uninet v0.2.0
[INFO] [stderr]    Compiling async-httplib v0.5.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling openssl-sys v0.9.57
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling thiserror v1.0.19
[INFO] [stderr]    Compiling async-native-tls v0.3.3
[INFO] [stderr]    Compiling async-fetch v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.49s
[INFO] running `"docker" "inspect" "ca4295b2b19ee114aa31cff62155a2bb212ea040db5163472cb637d71627e8ed"`
[INFO] running `"docker" "rm" "-f" "ca4295b2b19ee114aa31cff62155a2bb212ea040db5163472cb637d71627e8ed"`
[INFO] [stdout] ca4295b2b19ee114aa31cff62155a2bb212ea040db5163472cb637d71627e8ed
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] de2cd9dfafab40a73a9986aa704fbb2554d797b5194716ee8ad59a53c9a89690
[INFO] running `"docker" "start" "-a" "de2cd9dfafab40a73a9986aa704fbb2554d797b5194716ee8ad59a53c9a89690"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling async-fetch v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `serde_json`
[INFO] [stderr]   --> tests/lib.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let data = serde_json::json!({ "name": "John" });
[INFO] [stderr]    |                ^^^^^^^^^^ use of undeclared type or module `serde_json`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `serde_json`
[INFO] [stderr]   --> tests/lib.rs:29:24
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let name: String = serde_json::from_str(&name.to_string()).unwrap();
[INFO] [stderr]    |                        ^^^^^^^^^^ use of undeclared type or module `serde_json`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `send_json` found for struct `async_fetch::request::Request` in the current scope
[INFO] [stderr]   --> tests/lib.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut res = req.send_json(&data).await.unwrap();
[INFO] [stderr]    |                       ^^^^^^^^^ help: there is an associated function with a similar name: `send_str`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `async-fetch`.
[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" "de2cd9dfafab40a73a9986aa704fbb2554d797b5194716ee8ad59a53c9a89690"`
[INFO] running `"docker" "rm" "-f" "de2cd9dfafab40a73a9986aa704fbb2554d797b5194716ee8ad59a53c9a89690"`
[INFO] [stdout] de2cd9dfafab40a73a9986aa704fbb2554d797b5194716ee8ad59a53c9a89690