[INFO] fetching crate arc-fmt 0.1.0... [INFO] checking arc-fmt-0.1.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] extracting crate arc-fmt 0.1.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate arc-fmt 0.1.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate arc-fmt 0.1.0 [INFO] finished tweaking crates.io crate arc-fmt 0.1.0 [INFO] tweaked toml for crates.io crate arc-fmt 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded arc_parser v0.2.0 [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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3cff60d329a7dbef61ec752cabb323ec61c96934be53ebeca7a2bf06997709f3 [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" "3cff60d329a7dbef61ec752cabb323ec61c96934be53ebeca7a2bf06997709f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3cff60d329a7dbef61ec752cabb323ec61c96934be53ebeca7a2bf06997709f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cff60d329a7dbef61ec752cabb323ec61c96934be53ebeca7a2bf06997709f3", kill_on_drop: false }` [INFO] [stdout] 3cff60d329a7dbef61ec752cabb323ec61c96934be53ebeca7a2bf06997709f3 [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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f8a06f0958baa062c2b8f6513905f0a3a2656938b2405f735c38b374942737f [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" "2f8a06f0958baa062c2b8f6513905f0a3a2656938b2405f735c38b374942737f", kill_on_drop: false }` [INFO] [stderr] Checking ucd-trie v0.1.3 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking pest v2.1.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking arc_parser v0.2.0 [INFO] [stderr] Checking arc-fmt v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `text` is never read [INFO] [stdout] --> src/formatter.rs:225:17 [INFO] [stdout] | [INFO] [stdout] 225 | let mut text = String::new(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `text` [INFO] [stdout] --> src/formatter.rs:239:17 [INFO] [stdout] | [INFO] [stdout] 239 | let mut text = String::new(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_text` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `text` is never read [INFO] [stdout] --> src/formatter.rs:225:17 [INFO] [stdout] | [INFO] [stdout] 225 | let mut text = String::new(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `text` [INFO] [stdout] --> src/formatter.rs:239:17 [INFO] [stdout] | [INFO] [stdout] 239 | let mut text = String::new(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_text` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/formatter.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut code = String::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/formatter.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut code = String::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/formatter.rs:200:13 [INFO] [stdout] | [INFO] [stdout] 200 | let mut code = String::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/formatter.rs:200:13 [INFO] [stdout] | [INFO] [stdout] 200 | let mut code = String::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/formatter.rs:224:13 [INFO] [stdout] | [INFO] [stdout] 224 | let mut code = String::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/formatter.rs:224:13 [INFO] [stdout] | [INFO] [stdout] 224 | let mut code = String::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/formatter.rs:238:13 [INFO] [stdout] | [INFO] [stdout] 238 | let mut code = String::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/formatter.rs:239:13 [INFO] [stdout] | [INFO] [stdout] 239 | let mut text = String::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/formatter.rs:238:13 [INFO] [stdout] | [INFO] [stdout] 238 | let mut code = String::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/formatter.rs:239:13 [INFO] [stdout] | [INFO] [stdout] 239 | let mut text = String::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tests/do_fmt.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | s.format_file("tests/package.json", "tests/out/package.arc"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tests/do_fmt.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | s.format_file("tests/user_data.json", "tests/out/user_data.arc"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.40s [INFO] running `Command { std: "docker" "inspect" "2f8a06f0958baa062c2b8f6513905f0a3a2656938b2405f735c38b374942737f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f8a06f0958baa062c2b8f6513905f0a3a2656938b2405f735c38b374942737f", kill_on_drop: false }` [INFO] [stdout] 2f8a06f0958baa062c2b8f6513905f0a3a2656938b2405f735c38b374942737f