[INFO] fetching crate resp-async 0.0.4... [INFO] checking resp-async-0.0.4 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] extracting crate resp-async 0.0.4 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate resp-async 0.0.4 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate resp-async 0.0.4 [INFO] finished tweaking crates.io crate resp-async 0.0.4 [INFO] tweaked toml for crates.io crate resp-async 0.0.4 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate crates.io crate resp-async 0.0.4 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded redox_syscall v0.1.40 [INFO] [stderr] Downloaded lazycell v0.6.0 [INFO] [stderr] Downloaded slab v0.4.1 [INFO] [stderr] Downloaded crossbeam-utils v0.3.2 [INFO] [stderr] Downloaded time v0.1.40 [INFO] [stderr] Downloaded bitflags v1.0.3 [INFO] [stderr] Downloaded tokio-fs v0.1.2 [INFO] [stderr] Downloaded tokio-threadpool v0.1.5 [INFO] [stderr] Downloaded term v0.5.1 [INFO] [stderr] Downloaded version_check v0.1.4 [INFO] [stderr] Downloaded byteorder v1.2.4 [INFO] [stderr] Downloaded crossbeam-epoch v0.4.3 [INFO] [stderr] Downloaded libc v0.2.42 [INFO] [stderr] Downloaded mio v0.6.15 [INFO] [stderr] Downloaded winapi v0.3.5 [INFO] [stderr] Downloaded num-traits v0.2.5 [INFO] [stderr] Downloaded cfg-if v0.1.4 [INFO] [stderr] Downloaded simplelog v0.5.2 [INFO] [stderr] Downloaded crossbeam-deque v0.3.1 [INFO] [stderr] Downloaded tokio v0.1.7 [INFO] [stderr] Downloaded tokio-codec v0.1.0 [INFO] [stderr] Downloaded tokio-tcp v0.1.0 [INFO] [stderr] Downloaded tokio-executor v0.1.2 [INFO] [stderr] Downloaded tokio-reactor v0.1.2 [INFO] [stderr] Downloaded tokio-io v0.1.7 [INFO] [stderr] Downloaded tokio-timer v0.2.4 [INFO] [stderr] Downloaded log v0.4.3 [INFO] [stderr] Downloaded tokio-udp v0.1.1 [INFO] [stderr] Downloaded rand v0.4.2 [INFO] [stderr] Downloaded futures v0.1.23 [INFO] [stderr] Downloaded chrono v0.4.5 [INFO] [stderr] Downloaded bytes v0.4.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a7b6287a3351c432c7a799075a92bd13fd9e35a3abfd7542b4de79c0dd46b8db [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" "a7b6287a3351c432c7a799075a92bd13fd9e35a3abfd7542b4de79c0dd46b8db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7b6287a3351c432c7a799075a92bd13fd9e35a3abfd7542b4de79c0dd46b8db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7b6287a3351c432c7a799075a92bd13fd9e35a3abfd7542b4de79c0dd46b8db", kill_on_drop: false }` [INFO] [stdout] a7b6287a3351c432c7a799075a92bd13fd9e35a3abfd7542b4de79c0dd46b8db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9de90d2abc60e7dbcfdf9da4be000297b2ab9e8208a5d24c1671e0460d60992a [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" "9de90d2abc60e7dbcfdf9da4be000297b2ab9e8208a5d24c1671e0460d60992a", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking cfg-if v0.1.4 [INFO] [stderr] Checking futures v0.1.23 [INFO] [stderr] Checking byteorder v1.2.4 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking log v0.4.3 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking term v0.5.1 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking bytes v0.4.9 [INFO] [stderr] Checking mio v0.6.15 [INFO] [stderr] Checking crossbeam-epoch v0.4.3 [INFO] [stderr] Checking crossbeam-deque v0.3.1 [INFO] [stderr] Checking tokio-executor v0.1.2 [INFO] [stderr] Checking tokio-io v0.1.7 [INFO] [stderr] Checking chrono v0.4.5 [INFO] [stderr] Checking tokio-threadpool v0.1.5 [INFO] [stderr] Checking tokio-timer v0.2.4 [INFO] [stderr] Checking tokio-reactor v0.1.2 [INFO] [stderr] Checking tokio-codec v0.1.0 [INFO] [stderr] Checking tokio-fs v0.1.2 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Checking tokio-udp v0.1.1 [INFO] [stderr] Checking tokio v0.1.7 [INFO] [stderr] Checking simplelog v0.5.2 [INFO] [stderr] Checking resp-async v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/io.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | mem::replace(&mut self.decoder, decoder); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/io.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | mem::replace(&mut self.decoder, decoder); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.06s [INFO] running `Command { std: "docker" "inspect" "9de90d2abc60e7dbcfdf9da4be000297b2ab9e8208a5d24c1671e0460d60992a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9de90d2abc60e7dbcfdf9da4be000297b2ab9e8208a5d24c1671e0460d60992a", kill_on_drop: false }` [INFO] [stdout] 9de90d2abc60e7dbcfdf9da4be000297b2ab9e8208a5d24c1671e0460d60992a