[INFO] fetching crate spawn-editor 0.0.4... [INFO] checking spawn-editor-0.0.4 against beta for pr-78714 [INFO] extracting crate spawn-editor 0.0.4 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate spawn-editor 0.0.4 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate spawn-editor 0.0.4 [INFO] finished tweaking crates.io crate spawn-editor 0.0.4 [INFO] tweaked toml for crates.io crate spawn-editor 0.0.4 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a1ad33d6777bbad71a77b51857261cafa5d6392df87a4531a8c4574312cdb3a5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a1ad33d6777bbad71a77b51857261cafa5d6392df87a4531a8c4574312cdb3a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a1ad33d6777bbad71a77b51857261cafa5d6392df87a4531a8c4574312cdb3a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1ad33d6777bbad71a77b51857261cafa5d6392df87a4531a8c4574312cdb3a5", kill_on_drop: false }` [INFO] [stdout] a1ad33d6777bbad71a77b51857261cafa5d6392df87a4531a8c4574312cdb3a5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 96fcd43d6b734a2938e3e42ab8d74a4f6fbf23a3a5f5d897f5ddbb6ae2c5bfeb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "96fcd43d6b734a2938e3e42ab8d74a4f6fbf23a3a5f5d897f5ddbb6ae2c5bfeb", kill_on_drop: false }` [INFO] [stderr] Checking default-editor v0.1.0 [INFO] [stderr] Checking spawn-editor v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | spawn_editor_with_args(&["src/lib.rs"]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.48s [INFO] running `Command { std: "docker" "inspect" "96fcd43d6b734a2938e3e42ab8d74a4f6fbf23a3a5f5d897f5ddbb6ae2c5bfeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96fcd43d6b734a2938e3e42ab8d74a4f6fbf23a3a5f5d897f5ddbb6ae2c5bfeb", kill_on_drop: false }` [INFO] [stdout] 96fcd43d6b734a2938e3e42ab8d74a4f6fbf23a3a5f5d897f5ddbb6ae2c5bfeb