[INFO] fetching crate frappe 0.4.7... [INFO] checking frappe-0.4.7 against master#5ad98b4026d5172f27615b105658bc8bfd677be8 for pr-129422 [INFO] extracting crate frappe 0.4.7 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate frappe 0.4.7 on toolchain 5ad98b4026d5172f27615b105658bc8bfd677be8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate frappe 0.4.7 [INFO] finished tweaking crates.io crate frappe 0.4.7 [INFO] tweaked toml for crates.io crate frappe 0.4.7 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate frappe 0.4.7 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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded owning_ref v0.4.1 [INFO] [stderr] Downloaded pin-project-internal v0.4.20 [INFO] [stderr] Downloaded proc-macro-nested v0.1.5 [INFO] [stderr] Downloaded futures v0.3.5 [INFO] [stderr] Downloaded proc-macro-hack v0.5.16 [INFO] [stderr] Downloaded bencher v0.1.5 [INFO] [stderr] Downloaded futures-channel v0.3.5 [INFO] [stderr] Downloaded pin-project v0.4.20 [INFO] [stderr] Downloaded futures-macro v0.3.5 [INFO] [stderr] Downloaded once_cell v1.4.0 [INFO] [stderr] Downloaded futures-executor v0.3.5 [INFO] [stderr] Downloaded futures-util v0.3.5 [INFO] [stderr] Downloaded syn v1.0.31 [INFO] [stderr] Downloaded futures-io v0.3.5 [INFO] [stderr] Downloaded futures-sink v0.3.5 [INFO] [stderr] Downloaded futures-task v0.3.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 20301e2a337ae6695b329e8e36c9a03b481c6bbe0806a8901e52b9ccaa569bde [INFO] running `Command { std: "docker" "start" "-a" "20301e2a337ae6695b329e8e36c9a03b481c6bbe0806a8901e52b9ccaa569bde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "20301e2a337ae6695b329e8e36c9a03b481c6bbe0806a8901e52b9ccaa569bde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20301e2a337ae6695b329e8e36c9a03b481c6bbe0806a8901e52b9ccaa569bde", kill_on_drop: false }` [INFO] [stdout] 20301e2a337ae6695b329e8e36c9a03b481c6bbe0806a8901e52b9ccaa569bde [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b403b765a37412f9c83b05b58e79cf659b2148413cd2220645e325179e5ba208 [INFO] running `Command { std: "docker" "start" "-a" "b403b765a37412f9c83b05b58e79cf659b2148413cd2220645e325179e5ba208", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.31 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro-nested v0.1.5 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.16 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking maybe-owned v0.3.4 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking bencher v0.1.5 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking frappe v0.4.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/stream.rs:138:12 [INFO] [stdout] | [INFO] [stdout] 138 | Erased(Arc), [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Source` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 138 | Erased(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling pin-project-internal v0.4.20 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Checking pin-project v0.4.20 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/stream.rs:138:12 [INFO] [stdout] | [INFO] [stdout] 138 | Erased(Arc), [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Source` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 138 | Erased(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.62s [INFO] running `Command { std: "docker" "inspect" "b403b765a37412f9c83b05b58e79cf659b2148413cd2220645e325179e5ba208", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b403b765a37412f9c83b05b58e79cf659b2148413cd2220645e325179e5ba208", kill_on_drop: false }` [INFO] [stdout] b403b765a37412f9c83b05b58e79cf659b2148413cd2220645e325179e5ba208