[INFO] updating cached repository https://github.com/FanGuoshun/rust_checker0724
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 11ca127dd9438a3decb4c752fbe88ab24c9cc547
[INFO] testing FanGuoshun/rust_checker0724 against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFanGuoshun%2Frust_checker0724" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FanGuoshun/rust_checker0724 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/FanGuoshun/rust_checker0724
[INFO] finished tweaking git repo https://github.com/FanGuoshun/rust_checker0724
[INFO] tweaked toml for git repo https://github.com/FanGuoshun/rust_checker0724 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/FanGuoshun/rust_checker0724 already has a lockfile, it will not be regenerated
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 7d4d46ed2ba3806c4c7ef459138a0d434597271164ef487888abce945caaadfe
[INFO] running `"docker" "start" "-a" "7d4d46ed2ba3806c4c7ef459138a0d434597271164ef487888abce945caaadfe"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.3
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.48
[INFO] [stderr]    Compiling miniz_oxide v0.3.0
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.10
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling flate2 v1.0.9
[INFO] [stderr]    Compiling h2 v0.1.25
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling publicsuffix v1.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling reqwest v0.9.19
[INFO] [stderr]    Compiling rust_checker01 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]   --> src/rustChecker.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     use std::env;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `transactionForChecker::transactionForChecker::TransactionForChecker: rustChecker::pythonChecker::rustc_serialize::Encodable` is not satisfied
[INFO] [stderr]    --> src/rustChecker.rs:64:41
[INFO] [stderr]     |
[INFO] [stderr] 64  |             let postData = json::encode(&transaction).unwrap();
[INFO] [stderr]     |                                         ^^^^^^^^^^^^ the trait `rustChecker::pythonChecker::rustc_serialize::Encodable` is not implemented for `transactionForChecker::transactionForChecker::TransactionForChecker`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/json.rs:390:18
[INFO] [stderr]     |
[INFO] [stderr] 390 | pub fn encode<T: ::Encodable>(object: &T) -> EncodeResult<string::String> {
[INFO] [stderr]     |                  ----------- required by this bound in `rustChecker::pythonChecker::rustc_serialize::json::encode`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required because of the requirements on the impl of `rustChecker::pythonChecker::rustc_serialize::Encodable` for `&transactionForChecker::transactionForChecker::TransactionForChecker`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `rust_checker01`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7d4d46ed2ba3806c4c7ef459138a0d434597271164ef487888abce945caaadfe"`
[INFO] running `"docker" "rm" "-f" "7d4d46ed2ba3806c4c7ef459138a0d434597271164ef487888abce945caaadfe"`
[INFO] [stdout] 7d4d46ed2ba3806c4c7ef459138a0d434597271164ef487888abce945caaadfe