[INFO] fetching crate tokio-stdin-stdout 0.1.5... [INFO] checking tokio-stdin-stdout-0.1.5 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213 [INFO] extracting crate tokio-stdin-stdout 0.1.5 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate tokio-stdin-stdout 0.1.5 on toolchain 339e19697a39a78f4d669c217b7d21109215de41 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate tokio-stdin-stdout 0.1.5 [INFO] finished tweaking crates.io crate tokio-stdin-stdout 0.1.5 [INFO] tweaked toml for crates.io crate tokio-stdin-stdout 0.1.5 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dd1362e4d34e6b921fca2717f422c75600d60e0f65ec8eaf3816cd00c9d37f1b [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" "dd1362e4d34e6b921fca2717f422c75600d60e0f65ec8eaf3816cd00c9d37f1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dd1362e4d34e6b921fca2717f422c75600d60e0f65ec8eaf3816cd00c9d37f1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd1362e4d34e6b921fca2717f422c75600d60e0f65ec8eaf3816cd00c9d37f1b", kill_on_drop: false }` [INFO] [stdout] dd1362e4d34e6b921fca2717f422c75600d60e0f65ec8eaf3816cd00c9d37f1b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fb2eb62ce5d27175d8e8e5c0abefb00373e12182dcc94c150a973a4f97e72981 [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" "fb2eb62ce5d27175d8e8e5c0abefb00373e12182dcc94c150a973a4f97e72981", kill_on_drop: false }` [INFO] [stderr] Checking tokio-stdin-stdout v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/lib.rs:171:17 [INFO] [stdout] | [INFO] [stdout] 171 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> examples/line-by-line.rs:10:35 [INFO] [stdout] | [INFO] [stdout] 10 | fn async_op(input: String) -> Box + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/lib.rs:171:17 [INFO] [stdout] | [INFO] [stdout] 171 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.85s [INFO] running `Command { std: "docker" "inspect" "fb2eb62ce5d27175d8e8e5c0abefb00373e12182dcc94c150a973a4f97e72981", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb2eb62ce5d27175d8e8e5c0abefb00373e12182dcc94c150a973a4f97e72981", kill_on_drop: false }` [INFO] [stdout] fb2eb62ce5d27175d8e8e5c0abefb00373e12182dcc94c150a973a4f97e72981