[INFO] fetching crate webpack-q-cli 0.2.1... [INFO] checking webpack-q-cli-0.2.1 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577 [INFO] extracting crate webpack-q-cli 0.2.1 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate webpack-q-cli 0.2.1 [INFO] finished tweaking crates.io crate webpack-q-cli 0.2.1 [INFO] tweaked toml for crates.io crate webpack-q-cli 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate webpack-q-cli 0.2.1 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate webpack-q-cli 0.2.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded empty_type v0.2.2 [INFO] [stderr] Downloaded empty_type_traits v0.2.2 [INFO] [stderr] Downloaded zerofrom v0.1.0 [INFO] [stderr] Downloaded meshed v0.2.1 [INFO] [stderr] Downloaded serde_derive v1.0.139 [INFO] [stderr] Downloaded dot v0.1.4 [INFO] [stderr] Downloaded serde v1.0.139 [INFO] [stderr] Downloaded hashbrown v0.12.2 [INFO] [stderr] Downloaded empty_type_derive v0.2.3 [INFO] [stderr] Downloaded clap v3.2.10 [INFO] [stderr] Downloaded tracing-subscriber v0.3.14 [INFO] [stderr] Downloaded webpack-q v0.2.2 [INFO] [stderr] Downloaded webpack-stats v0.2.0 [INFO] [stderr] Downloaded zerovec v0.7.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ce1531f7f0a53068b278ef6c82b5a5f4ca7b5ae92d7212fdba8dd15de964c714 [INFO] running `Command { std: "docker" "start" "-a" "ce1531f7f0a53068b278ef6c82b5a5f4ca7b5ae92d7212fdba8dd15de964c714", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ce1531f7f0a53068b278ef6c82b5a5f4ca7b5ae92d7212fdba8dd15de964c714", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce1531f7f0a53068b278ef6c82b5a5f4ca7b5ae92d7212fdba8dd15de964c714", kill_on_drop: false }` [INFO] [stdout] ce1531f7f0a53068b278ef6c82b5a5f4ca7b5ae92d7212fdba8dd15de964c714 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b11d629e9b24e997cd1d102cc24287c5e9a79fc84d66cc77a0a844ff943c7e98 [INFO] running `Command { std: "docker" "start" "-a" "b11d629e9b24e997cd1d102cc24287c5e9a79fc84d66cc77a0a844ff943c7e98", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling serde_derive v1.0.139 [INFO] [stderr] Compiling serde v1.0.139 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking zerofrom v0.1.0 [INFO] [stderr] Checking tracing-core v0.1.28 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Checking dot v0.1.4 [INFO] [stderr] Compiling webpack-q v0.2.2 [INFO] [stderr] Checking hashbrown v0.12.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling anyhow v1.0.58 [INFO] [stderr] Checking os_str_bytes v6.1.0 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking tracing-log v0.1.3 [INFO] [stderr] Checking tracing-subscriber v0.3.14 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling tracing-attributes v0.1.22 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling clap_derive v3.2.7 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking tracing v0.1.35 [INFO] [stderr] Checking meshed v0.2.1 [INFO] [stderr] Checking clap v3.2.10 [INFO] [stderr] Checking empty_type_traits v0.2.2 [INFO] [stderr] Checking serde_json v1.0.82 [INFO] [stderr] Checking zerovec v0.7.0 [INFO] [stderr] Compiling empty_type_derive v0.2.3 [INFO] [stderr] Checking empty_type v0.2.2 [INFO] [stderr] Checking webpack-stats v0.2.0 [INFO] [stderr] Checking webpack-q-cli v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:136:25 [INFO] [stdout] | [INFO] [stdout] 136 | serde_json::to_writer_pretty(writer, &serializable); [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] 136 | let _ = serde_json::to_writer_pretty(writer, &serializable); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:139:25 [INFO] [stdout] | [INFO] [stdout] 139 | dot::render(graph.inner(), &mut writer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 139 | let _ = dot::render(graph.inner(), &mut writer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:164:25 [INFO] [stdout] | [INFO] [stdout] 164 | serde_json::to_writer_pretty(writer, &serializable); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 164 | let _ = serde_json::to_writer_pretty(writer, &serializable); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:167:25 [INFO] [stdout] | [INFO] [stdout] 167 | dot::render(graph.inner(), &mut writer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 167 | let _ = dot::render(graph.inner(), &mut writer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:136:25 [INFO] [stdout] | [INFO] [stdout] 136 | serde_json::to_writer_pretty(writer, &serializable); [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] 136 | let _ = serde_json::to_writer_pretty(writer, &serializable); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:139:25 [INFO] [stdout] | [INFO] [stdout] 139 | dot::render(graph.inner(), &mut writer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 139 | let _ = dot::render(graph.inner(), &mut writer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:164:25 [INFO] [stdout] | [INFO] [stdout] 164 | serde_json::to_writer_pretty(writer, &serializable); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 164 | let _ = serde_json::to_writer_pretty(writer, &serializable); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:167:25 [INFO] [stdout] | [INFO] [stdout] 167 | dot::render(graph.inner(), &mut writer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 167 | let _ = dot::render(graph.inner(), &mut writer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.96s [INFO] running `Command { std: "docker" "inspect" "b11d629e9b24e997cd1d102cc24287c5e9a79fc84d66cc77a0a844ff943c7e98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b11d629e9b24e997cd1d102cc24287c5e9a79fc84d66cc77a0a844ff943c7e98", kill_on_drop: false }` [INFO] [stdout] b11d629e9b24e997cd1d102cc24287c5e9a79fc84d66cc77a0a844ff943c7e98