[INFO] fetching crate pact_matching 0.5.12...
[INFO] checking pact_matching-0.5.12 against master#339f574809bf8e4166b8de3cdbe7df181d37af3d for pr-71896
[INFO] extracting crate pact_matching 0.5.12 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pact_matching 0.5.12 on toolchain 339f574809bf8e4166b8de3cdbe7df181d37af3d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pact_matching 0.5.12
[INFO] finished tweaking crates.io crate pact_matching 0.5.12
[INFO] tweaked toml for crates.io crate pact_matching 0.5.12 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "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-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" "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" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "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] f37f466c322c2ad4b8594cf3f4c9d41adcf5ea91090c55d2f52f35e623d46d4c
[INFO] running `"docker" "start" "-a" "f37f466c322c2ad4b8594cf3f4c9d41adcf5ea91090c55d2f52f35e623d46d4c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
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[INFO] [stderr]    Compiling aho-corasick v0.6.10
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[INFO] [stderr]    Compiling num-iter v0.1.40
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[INFO] [stderr]     Checking url v2.1.1
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[INFO] [stderr]    Compiling speculate v0.1.2
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[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling test-env-log v0.2.2
[INFO] [stderr]     Checking pin-project v0.4.13
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[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]     Checking pact_matching v0.5.12 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> src/models/tests.rs:230:71
[INFO] [stderr]     |
[INFO] [stderr] 230 |     let interaction = Interaction::from_json(0, &serde_json::from_str({interaction_json}).unwrap(), &PactSpecification::V1_1);
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> src/models/tests.rs:241:71
[INFO] [stderr]     |
[INFO] [stderr] 241 |     let interaction = Interaction::from_json(0, &serde_json::from_str({interaction_json}).unwrap(), &PactSpecification::V1_1);
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> src/models/tests.rs:251:71
[INFO] [stderr]     |
[INFO] [stderr] 251 |     let interaction = Interaction::from_json(0, &serde_json::from_str({interaction_json}).unwrap(), &PactSpecification::V1);
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> src/models/tests.rs:260:71
[INFO] [stderr]     |
[INFO] [stderr] 260 |     let interaction = Interaction::from_json(0, &serde_json::from_str({interaction_json}).unwrap(), &PactSpecification::V1);
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 12s
[INFO] running `"docker" "inspect" "f37f466c322c2ad4b8594cf3f4c9d41adcf5ea91090c55d2f52f35e623d46d4c"`
[INFO] running `"docker" "rm" "-f" "f37f466c322c2ad4b8594cf3f4c9d41adcf5ea91090c55d2f52f35e623d46d4c"`
[INFO] [stdout] f37f466c322c2ad4b8594cf3f4c9d41adcf5ea91090c55d2f52f35e623d46d4c