[INFO] fetching crate hot-reload-server 0.0.0... [INFO] checking hot-reload-server-0.0.0 against beta for pr-78714 [INFO] extracting crate hot-reload-server 0.0.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate hot-reload-server 0.0.0 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 hot-reload-server 0.0.0 [INFO] finished tweaking crates.io crate hot-reload-server 0.0.0 [INFO] tweaked toml for crates.io crate hot-reload-server 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate hot-reload-server 0.0.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3683151362f62a359aecd98d1d8a1d0a3d6b2bd2a0b1c7a3ee48ee9d20a2bd93 [INFO] running `Command { std: "docker" "start" "-a" "3683151362f62a359aecd98d1d8a1d0a3d6b2bd2a0b1c7a3ee48ee9d20a2bd93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3683151362f62a359aecd98d1d8a1d0a3d6b2bd2a0b1c7a3ee48ee9d20a2bd93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3683151362f62a359aecd98d1d8a1d0a3d6b2bd2a0b1c7a3ee48ee9d20a2bd93", kill_on_drop: false }` [INFO] [stdout] 3683151362f62a359aecd98d1d8a1d0a3d6b2bd2a0b1c7a3ee48ee9d20a2bd93 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 18ac4aa3c107787435505bab3d8d359a9711fad0834c1ec0e78ba2cca088b077 [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" "18ac4aa3c107787435505bab3d8d359a9711fad0834c1ec0e78ba2cca088b077", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Checking http v0.2.0 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking filetime v0.2.8 [INFO] [stderr] Checking inotify v0.7.0 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking notify v4.0.15 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Checking tokio v0.2.13 [INFO] [stderr] Checking pin-project v0.4.8 [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Checking h2 v0.2.2 [INFO] [stderr] Checking hyper v0.13.3 [INFO] [stderr] Checking hot-reload-server v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:67:7 [INFO] [stdout] | [INFO] [stdout] 67 | let a = handle_internal.await?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:68:7 [INFO] [stdout] | [INFO] [stdout] 68 | let b = handle_project.await?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:67:7 [INFO] [stdout] | [INFO] [stdout] 67 | let a = handle_internal.await?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:68:7 [INFO] [stdout] | [INFO] [stdout] 68 | let b = handle_project.await?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 37.05s [INFO] running `Command { std: "docker" "inspect" "18ac4aa3c107787435505bab3d8d359a9711fad0834c1ec0e78ba2cca088b077", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18ac4aa3c107787435505bab3d8d359a9711fad0834c1ec0e78ba2cca088b077", kill_on_drop: false }` [INFO] [stdout] 18ac4aa3c107787435505bab3d8d359a9711fad0834c1ec0e78ba2cca088b077