[INFO] cloning repository https://github.com/christiansakai/serde_playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christiansakai/serde_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristiansakai%2Fserde_playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristiansakai%2Fserde_playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 53975e8d10ec884fe91b2ab3d9d43c4a9354dec7 [INFO] checking christiansakai/serde_playground against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristiansakai%2Fserde_playground" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/christiansakai/serde_playground on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-7/source/Cargo.toml [INFO] crate git repo https://github.com/christiansakai/serde_playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded indexmap v1.1.0 [INFO] [stderr] Downloaded cc v1.0.41 [INFO] [stderr] Downloaded ord_subset v3.1.1 [INFO] [stderr] Downloaded getrandom v0.1.11 [INFO] [stderr] Downloaded serde v1.0.99 [INFO] [stderr] Downloaded decimal v2.0.4 [INFO] [stderr] Downloaded bson v0.13.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d597276e0472c39232ee3b0cb5f57d57cb1309ba4ccb17a063a0f293ad237668 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d597276e0472c39232ee3b0cb5f57d57cb1309ba4ccb17a063a0f293ad237668", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d597276e0472c39232ee3b0cb5f57d57cb1309ba4ccb17a063a0f293ad237668", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d597276e0472c39232ee3b0cb5f57d57cb1309ba4ccb17a063a0f293ad237668", kill_on_drop: false }` [INFO] [stdout] d597276e0472c39232ee3b0cb5f57d57cb1309ba4ccb17a063a0f293ad237668 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5360a2b1b4687068514c80608f758b81dcb9c3629b333e56d62d725eed5a8615 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5360a2b1b4687068514c80608f758b81dcb9c3629b333e56d62d725eed5a8615", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling getrandom v0.1.11 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking ord_subset v3.1.1 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Compiling decimal v2.0.4 [INFO] [stderr] Compiling proc-macro2 v1.0.1 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking chrono v0.4.7 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Checking serde v1.0.99 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking ron v0.5.1 [INFO] [stderr] Checking bson v0.13.1 [INFO] [stderr] Checking serde_experiment v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use(bson, doc)] [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use(bson, doc)] [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use(bson, doc)] [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use(bson, doc)] [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: `Bson` is not an iterator [INFO] [stdout] --> src/main.rs:31:38 [INFO] [stdout] | [INFO] [stdout] 31 | bson::encode_document(&mut file, serialized); [INFO] [stdout] | ^^^^^^^^^^ `Bson` is not an iterator [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bson-0.13.1/src/encoder/mod.rs:92:70 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn encode_document<'a, S: AsRef + 'a, W: Write + ?Sized, D: IntoIterator>( [INFO] [stdout] | -------------------------------------- required by this bound in `encode_document` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Iterator` is not implemented for `Bson` [INFO] [stdout] = note: required because of the requirements on the impl of `IntoIterator` for `Bson` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: `Bson` is not an iterator [INFO] [stdout] --> src/main.rs:31:38 [INFO] [stdout] | [INFO] [stdout] 31 | bson::encode_document(&mut file, serialized); [INFO] [stdout] | ^^^^^^^^^^ `Bson` is not an iterator [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bson-0.13.1/src/encoder/mod.rs:92:70 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn encode_document<'a, S: AsRef + 'a, W: Write + ?Sized, D: IntoIterator>( [INFO] [stdout] | -------------------------------------- required by this bound in `encode_document` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Iterator` is not implemented for `Bson` [INFO] [stdout] = note: required because of the requirements on the impl of `IntoIterator` for `Bson` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:37:29 [INFO] [stdout] | [INFO] [stdout] 37 | let b = bson::from_bson(&serialized).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ expected enum `Bson`, found `&std::string::String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:37:29 [INFO] [stdout] | [INFO] [stdout] 37 | let b = bson::from_bson(&serialized).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ expected enum `Bson`, found `&std::string::String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `serde_experiment` [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 `Command { std: "docker" "inspect" "5360a2b1b4687068514c80608f758b81dcb9c3629b333e56d62d725eed5a8615", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5360a2b1b4687068514c80608f758b81dcb9c3629b333e56d62d725eed5a8615", kill_on_drop: false }` [INFO] [stdout] 5360a2b1b4687068514c80608f758b81dcb9c3629b333e56d62d725eed5a8615