[INFO] fetching crate string_wrapped 0.1.1... [INFO] checking string_wrapped-0.1.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate string_wrapped 0.1.1 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate string_wrapped 0.1.1 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate string_wrapped 0.1.1 [INFO] finished tweaking crates.io crate string_wrapped 0.1.1 [INFO] tweaked toml for crates.io crate string_wrapped 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 11 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d20a7472a65e95c5e4413b1aba74866f354d279542a3d61ee1db597b23ede206 [INFO] running `Command { std: "docker" "start" "-a" "d20a7472a65e95c5e4413b1aba74866f354d279542a3d61ee1db597b23ede206", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d20a7472a65e95c5e4413b1aba74866f354d279542a3d61ee1db597b23ede206", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d20a7472a65e95c5e4413b1aba74866f354d279542a3d61ee1db597b23ede206", kill_on_drop: false }` [INFO] [stdout] d20a7472a65e95c5e4413b1aba74866f354d279542a3d61ee1db597b23ede206 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e567737181c9d8a93c08f1abc929d0fd1982bb394a7ecadf9db5da8ee9e5cbe3 [INFO] running `Command { std: "docker" "start" "-a" "e567737181c9d8a93c08f1abc929d0fd1982bb394a7ecadf9db5da8ee9e5cbe3", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking string_wrapped v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/lib.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 143 | StringWrapped(23) == StringWrapped(23); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 143 | let _ = StringWrapped(23) == StringWrapped(23); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/lib.rs:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | StringWrapped(23) < StringWrapped(23); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 148 | let _ = StringWrapped(23) < StringWrapped(23); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.95s [INFO] running `Command { std: "docker" "inspect" "e567737181c9d8a93c08f1abc929d0fd1982bb394a7ecadf9db5da8ee9e5cbe3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e567737181c9d8a93c08f1abc929d0fd1982bb394a7ecadf9db5da8ee9e5cbe3", kill_on_drop: false }` [INFO] [stdout] e567737181c9d8a93c08f1abc929d0fd1982bb394a7ecadf9db5da8ee9e5cbe3