[INFO] fetching crate stream-combinators 0.1.0... [INFO] checking stream-combinators-0.1.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate stream-combinators 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate stream-combinators 0.1.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate stream-combinators 0.1.0 [INFO] finished tweaking crates.io crate stream-combinators 0.1.0 [INFO] tweaked toml for crates.io crate stream-combinators 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded slab v0.3.0 [INFO] [stderr] Downloaded tokio-timer v0.1.2 [INFO] [stderr] Downloaded tokio-stdin v0.1.2 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] 11ccc3ab028c5743323982b18f29971ab33353227eb8273097beaa25a42fff0e [INFO] running `Command { std: "docker" "start" "-a" "11ccc3ab028c5743323982b18f29971ab33353227eb8273097beaa25a42fff0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "11ccc3ab028c5743323982b18f29971ab33353227eb8273097beaa25a42fff0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11ccc3ab028c5743323982b18f29971ab33353227eb8273097beaa25a42fff0e", kill_on_drop: false }` [INFO] [stdout] 11ccc3ab028c5743323982b18f29971ab33353227eb8273097beaa25a42fff0e [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4048c8bc282367b69f49d3143f2c523d488234bc452d79df092528d9933d5006 [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" "4048c8bc282367b69f49d3143f2c523d488234bc452d79df092528d9933d5006", kill_on_drop: false }` [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking tokio-stdin v0.1.2 [INFO] [stderr] Checking tokio-timer v0.1.2 [INFO] [stderr] Checking stream-combinators v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> examples/into_pairs.rs:9:41 [INFO] [stdout] | [INFO] [stdout] 9 | let number_stream = iter_ok::<_,()>((0..6)); [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` 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 3.80s [INFO] running `Command { std: "docker" "inspect" "4048c8bc282367b69f49d3143f2c523d488234bc452d79df092528d9933d5006", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4048c8bc282367b69f49d3143f2c523d488234bc452d79df092528d9933d5006", kill_on_drop: false }` [INFO] [stdout] 4048c8bc282367b69f49d3143f2c523d488234bc452d79df092528d9933d5006