[INFO] fetching crate mustache_view 0.1.0... [INFO] testing mustache_view-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate mustache_view 0.1.0 into /workspace/builds/worker-30/source [INFO] validating manifest of crates.io crate mustache_view 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-30/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 28680f817e66f11ef147da7a074ae15e5db7e045f961063ed610c61eb9ef2a3b [INFO] running `Command { std: "docker" "start" "-a" "28680f817e66f11ef147da7a074ae15e5db7e045f961063ed610c61eb9ef2a3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28680f817e66f11ef147da7a074ae15e5db7e045f961063ed610c61eb9ef2a3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28680f817e66f11ef147da7a074ae15e5db7e045f961063ed610c61eb9ef2a3b", kill_on_drop: false }` [INFO] [stdout] 28680f817e66f11ef147da7a074ae15e5db7e045f961063ed610c61eb9ef2a3b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 91a91c601d3ab2a675d58ff87f2430b8d1a92c5fb7f7e7d8fe38d558a5611dd5 [INFO] running `Command { std: "docker" "start" "-a" "91a91c601d3ab2a675d58ff87f2430b8d1a92c5fb7f7e7d8fe38d558a5611dd5", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cfg-if v1.0.0 [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] | required by a bound introduced by this call [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` due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "91a91c601d3ab2a675d58ff87f2430b8d1a92c5fb7f7e7d8fe38d558a5611dd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91a91c601d3ab2a675d58ff87f2430b8d1a92c5fb7f7e7d8fe38d558a5611dd5", kill_on_drop: false }` [INFO] [stdout] 91a91c601d3ab2a675d58ff87f2430b8d1a92c5fb7f7e7d8fe38d558a5611dd5