[INFO] fetching crate jack 0.11.4... [INFO] checking jack-0.11.4 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate jack 0.11.4 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate jack 0.11.4 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 jack 0.11.4 [INFO] finished tweaking crates.io crate jack 0.11.4 [INFO] tweaked toml for crates.io crate jack 0.11.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate jack 0.11.4 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9ec4c231473bfc6608bc77c2a002ce0d0db4b649737fd3762aa44dd09f3feea1 [INFO] running `Command { std: "docker" "start" "-a" "9ec4c231473bfc6608bc77c2a002ce0d0db4b649737fd3762aa44dd09f3feea1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ec4c231473bfc6608bc77c2a002ce0d0db4b649737fd3762aa44dd09f3feea1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ec4c231473bfc6608bc77c2a002ce0d0db4b649737fd3762aa44dd09f3feea1", kill_on_drop: false }` [INFO] [stdout] 9ec4c231473bfc6608bc77c2a002ce0d0db4b649737fd3762aa44dd09f3feea1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] db6f9adc493ee34c191a6137e72f9b93dc42a27e82666835084b2422faa952c7 [INFO] running `Command { std: "docker" "start" "-a" "db6f9adc493ee34c191a6137e72f9b93dc42a27e82666835084b2422faa952c7", kill_on_drop: false }` [INFO] [stderr] Compiling pkg-config v0.3.26 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling crossbeam-utils v0.8.12 [INFO] [stderr] Checking libloading v0.7.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling jack v0.11.4 (/opt/rustwide/workdir) [INFO] [stderr] Compiling jack-sys v0.5.1 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stdout] warning: field `2` is never read [INFO] [stdout] --> src/client/client_impl.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct Client( [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 36 | Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `2` is never read [INFO] [stdout] --> src/client/client_impl.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct Client( [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 36 | Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `process_return_val` is never read [INFO] [stdout] --> src/client/test_callback.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Counter { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 9 | pub process_return_val: Control, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Counter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.04s [INFO] running `Command { std: "docker" "inspect" "db6f9adc493ee34c191a6137e72f9b93dc42a27e82666835084b2422faa952c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db6f9adc493ee34c191a6137e72f9b93dc42a27e82666835084b2422faa952c7", kill_on_drop: false }` [INFO] [stdout] db6f9adc493ee34c191a6137e72f9b93dc42a27e82666835084b2422faa952c7