[INFO] updating cached repository https://github.com/christiansakai/serde_playground [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] 53975e8d10ec884fe91b2ab3d9d43c4a9354dec7 [INFO] testing christiansakai/serde_playground against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristiansakai%2Fserde_playground" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/christiansakai/serde_playground on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/christiansakai/serde_playground [INFO] finished tweaking git repo https://github.com/christiansakai/serde_playground [INFO] tweaked toml for git repo https://github.com/christiansakai/serde_playground written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/christiansakai/serde_playground already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-06-03" "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] d8daa57597cb3765ece9f743fc3eedbdcd4c34fe4ca4b8cb85020495f72258d5 [INFO] running `"docker" "start" "-a" "d8daa57597cb3765ece9f743fc3eedbdcd4c34fe4ca4b8cb85020495f72258d5"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling proc-macro2 v1.0.1 [INFO] [stderr] Compiling getrandom v0.1.11 [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Compiling cc v1.0.41 [INFO] [stderr] Compiling ord_subset v3.1.1 [INFO] [stderr] Compiling indexmap v1.1.0 [INFO] [stderr] Compiling md5 v0.6.1 [INFO] [stderr] Compiling linked-hash-map v0.5.2 [INFO] [stderr] Compiling hex v0.3.2 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling decimal v2.0.4 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling chrono v0.4.7 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Compiling ron v0.5.1 [INFO] [stderr] Compiling bson v0.13.1 [INFO] [stderr] Compiling serde_experiment v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:1:13 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use(bson, doc)] [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:1:19 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use(bson, doc)] [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0277]: `bson::Bson` is not an iterator [INFO] [stderr] --> src/main.rs:31:38 [INFO] [stderr] | [INFO] [stderr] 31 | bson::encode_document(&mut file, serialized); [INFO] [stderr] | ^^^^^^^^^^ `bson::Bson` is not an iterator [INFO] [stderr] | [INFO] [stderr] ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bson-0.13.1/src/encoder/mod.rs:92:70 [INFO] [stderr] | [INFO] [stderr] 92 | pub fn encode_document<'a, S: AsRef + 'a, W: Write + ?Sized, D: IntoIterator>( [INFO] [stderr] | -------------------------------------- required by this bound in `bson::encode_document` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::iter::Iterator` is not implemented for `bson::Bson` [INFO] [stderr] = note: required because of the requirements on the impl of `std::iter::IntoIterator` for `bson::Bson` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:37:29 [INFO] [stderr] | [INFO] [stderr] 37 | let b = bson::from_bson(&serialized).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^ expected enum `bson::Bson`, found `&std::string::String` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0277, E0308. [INFO] [stderr] For more information about an error, try `rustc --explain E0277`. [INFO] [stderr] error: could not compile `serde_experiment`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "d8daa57597cb3765ece9f743fc3eedbdcd4c34fe4ca4b8cb85020495f72258d5"` [INFO] running `"docker" "rm" "-f" "d8daa57597cb3765ece9f743fc3eedbdcd4c34fe4ca4b8cb85020495f72258d5"` [INFO] [stdout] d8daa57597cb3765ece9f743fc3eedbdcd4c34fe4ca4b8cb85020495f72258d5