[INFO] fetching crate mustache_view 0.1.0... [INFO] testing mustache_view-0.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] extracting crate mustache_view 0.1.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate mustache_view 0.1.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mustache_view 0.1.0 [INFO] finished tweaking crates.io crate mustache_view 0.1.0 [INFO] tweaked toml for crates.io crate mustache_view 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 70be0ebb0cf8cffb8b812157368c65f760de1794f731a653e7bd21505444a1b3 [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" "70be0ebb0cf8cffb8b812157368c65f760de1794f731a653e7bd21505444a1b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70be0ebb0cf8cffb8b812157368c65f760de1794f731a653e7bd21505444a1b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70be0ebb0cf8cffb8b812157368c65f760de1794f731a653e7bd21505444a1b3", kill_on_drop: false }` [INFO] [stdout] 70be0ebb0cf8cffb8b812157368c65f760de1794f731a653e7bd21505444a1b3 [INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e035c0ebebaa22727e45241a0e90a1e19e73b50f177fe0f65b38e8f649b2eda [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" "0e035c0ebebaa22727e45241a0e90a1e19e73b50f177fe0f65b38e8f649b2eda", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling mustache v0.9.0 [INFO] [stderr] Compiling mustache_view v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `T: serde::ser::Serialize` is not satisfied [INFO] [stdout] --> src/lib.rs:16:46 [INFO] [stdout] | [INFO] [stdout] 16 | template.render(&mut output, &data).unwrap(); [INFO] [stdout] | ^^^^^ the trait `serde::ser::Serialize` is not implemented for `T` [INFO] [stdout] | [INFO] [stdout] help: consider further restricting this bound [INFO] [stdout] | [INFO] [stdout] 11 | pub fn render (pathstr: &str, data: T) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mustache_view` [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" "0e035c0ebebaa22727e45241a0e90a1e19e73b50f177fe0f65b38e8f649b2eda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e035c0ebebaa22727e45241a0e90a1e19e73b50f177fe0f65b38e8f649b2eda", kill_on_drop: false }` [INFO] [stdout] 0e035c0ebebaa22727e45241a0e90a1e19e73b50f177fe0f65b38e8f649b2eda