[INFO] fetching crate ronfmt 0.1.0... [INFO] building ronfmt-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate ronfmt 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate ronfmt 0.1.0 [INFO] finished tweaking crates.io crate ronfmt 0.1.0 [INFO] tweaked toml for crates.io crate ronfmt 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ronfmt 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 36 packages to latest compatible versions [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.48) [INFO] [stderr] Adding itertools v0.7.11 (available: v0.14.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f13e7ce367c60d8fb313ba2f5f280704d6328565b81ed530c152d0fad5baf709 [INFO] running `Command { std: "docker" "start" "-a" "f13e7ce367c60d8fb313ba2f5f280704d6328565b81ed530c152d0fad5baf709", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f13e7ce367c60d8fb313ba2f5f280704d6328565b81ed530c152d0fad5baf709", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f13e7ce367c60d8fb313ba2f5f280704d6328565b81ed530c152d0fad5baf709", kill_on_drop: false }` [INFO] [stdout] f13e7ce367c60d8fb313ba2f5f280704d6328565b81ed530c152d0fad5baf709 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca397d4c16483af880517339b44451232a69913a75195da0b83067669bd25b16 [INFO] running `Command { std: "docker" "start" "-a" "ca397d4c16483af880517339b44451232a69913a75195da0b83067669bd25b16", kill_on_drop: false }` [INFO] [stderr] Compiling ucd-trie v0.1.7 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling thiserror-impl v2.0.16 [INFO] [stderr] Compiling thiserror v2.0.16 [INFO] [stderr] Compiling pest v2.8.2 [INFO] [stderr] Compiling pest_meta v2.8.2 [INFO] [stderr] Compiling pest_generator v2.8.2 [INFO] [stderr] Compiling pest_derive v2.8.2 [INFO] [stderr] Compiling ronfmt v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast/display.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | writeln!(f, "#![enable({})]", extensions.iter().join(", ")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 10 | let _ = writeln!(f, "#![enable({})]", extensions.iter().join(", ")); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.05s [INFO] running `Command { std: "docker" "inspect" "ca397d4c16483af880517339b44451232a69913a75195da0b83067669bd25b16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca397d4c16483af880517339b44451232a69913a75195da0b83067669bd25b16", kill_on_drop: false }` [INFO] [stdout] ca397d4c16483af880517339b44451232a69913a75195da0b83067669bd25b16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d2e0afa54cc1df409d9e46a2f9449661e55a28d34964e8f4de7d7e8d51f94a3 [INFO] running `Command { std: "docker" "start" "-a" "9d2e0afa54cc1df409d9e46a2f9449661e55a28d34964e8f4de7d7e8d51f94a3", kill_on_drop: false }` [INFO] [stderr] Compiling ronfmt v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast/display.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | writeln!(f, "#![enable({})]", extensions.iter().join(", ")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 10 | let _ = writeln!(f, "#![enable({})]", extensions.iter().join(", ")); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `Command { std: "docker" "inspect" "9d2e0afa54cc1df409d9e46a2f9449661e55a28d34964e8f4de7d7e8d51f94a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d2e0afa54cc1df409d9e46a2f9449661e55a28d34964e8f4de7d7e8d51f94a3", kill_on_drop: false }` [INFO] [stdout] 9d2e0afa54cc1df409d9e46a2f9449661e55a28d34964e8f4de7d7e8d51f94a3