[INFO] fetching crate serde_fmt 1.0.3... [INFO] building serde_fmt-1.0.3 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] extracting crate serde_fmt 1.0.3 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate serde_fmt 1.0.3 [INFO] finished tweaking crates.io crate serde_fmt 1.0.3 [INFO] tweaked toml for crates.io crate serde_fmt 1.0.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate serde_fmt 1.0.3 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 7 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f32c4e1454f9c8cfe27da4612a6f2583254a2751eb45a945325d7f50a88acde5 [INFO] running `Command { std: "docker" "start" "-a" "f32c4e1454f9c8cfe27da4612a6f2583254a2751eb45a945325d7f50a88acde5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f32c4e1454f9c8cfe27da4612a6f2583254a2751eb45a945325d7f50a88acde5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f32c4e1454f9c8cfe27da4612a6f2583254a2751eb45a945325d7f50a88acde5", kill_on_drop: false }` [INFO] [stdout] f32c4e1454f9c8cfe27da4612a6f2583254a2751eb45a945325d7f50a88acde5 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bf2ecf2ab0fd47e489aeaa2dfd5b83aefb3e132879c2f2249cfb8939ce16bb4e [INFO] running `Command { std: "docker" "start" "-a" "bf2ecf2ab0fd47e489aeaa2dfd5b83aefb3e132879c2f2249cfb8939ce16bb4e", kill_on_drop: false }` [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling serde_fmt v1.0.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.68s [INFO] running `Command { std: "docker" "inspect" "bf2ecf2ab0fd47e489aeaa2dfd5b83aefb3e132879c2f2249cfb8939ce16bb4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf2ecf2ab0fd47e489aeaa2dfd5b83aefb3e132879c2f2249cfb8939ce16bb4e", kill_on_drop: false }` [INFO] [stdout] bf2ecf2ab0fd47e489aeaa2dfd5b83aefb3e132879c2f2249cfb8939ce16bb4e [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8421548a8c62760dfe3a05b198fed12bbf768da6a64ffc92f61f53c0344782b [INFO] running `Command { std: "docker" "start" "-a" "e8421548a8c62760dfe3a05b198fed12bbf768da6a64ffc92f61f53c0344782b", kill_on_drop: false }` [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling serde_fmt v1.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:511:21 [INFO] [stdout] | [INFO] [stdout] 511 | fn check_fmt(v: (impl fmt::Debug + Serialize)) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 511 - fn check_fmt(v: (impl fmt::Debug + Serialize)) { [INFO] [stdout] 511 + fn check_fmt(v: impl fmt::Debug + Serialize) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 7.41s [INFO] running `Command { std: "docker" "inspect" "e8421548a8c62760dfe3a05b198fed12bbf768da6a64ffc92f61f53c0344782b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8421548a8c62760dfe3a05b198fed12bbf768da6a64ffc92f61f53c0344782b", kill_on_drop: false }` [INFO] [stdout] e8421548a8c62760dfe3a05b198fed12bbf768da6a64ffc92f61f53c0344782b