[INFO] fetching crate rtl8139-rs 0.1.2...
[INFO] checking rtl8139-rs-0.1.2 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate rtl8139-rs 0.1.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rtl8139-rs 0.1.2 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtl8139-rs 0.1.2
[INFO] finished tweaking crates.io crate rtl8139-rs 0.1.2
[INFO] tweaked toml for crates.io crate rtl8139-rs 0.1.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.1
[INFO] [stderr]   Downloaded conquer-util v0.3.0
[INFO] [stderr]   Downloaded bit_field v0.9.0
[INFO] [stderr]   Downloaded spin v0.7.1
[INFO] [stderr]   Downloaded x86_64 v0.13.3
[INFO] [stderr]   Downloaded conquer-once v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd377c2edf4b44739e6b3464b46ec4e070b52224448aa9315b0d5f4b8000ff1c
[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" "fd377c2edf4b44739e6b3464b46ec4e070b52224448aa9315b0d5f4b8000ff1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd377c2edf4b44739e6b3464b46ec4e070b52224448aa9315b0d5f4b8000ff1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd377c2edf4b44739e6b3464b46ec4e070b52224448aa9315b0d5f4b8000ff1c", kill_on_drop: false }`
[INFO] [stdout] fd377c2edf4b44739e6b3464b46ec4e070b52224448aa9315b0d5f4b8000ff1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e1211de7adaabd7bf451d03d125cb656c3cdcf80e9459589fb76de9c80911f2
[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" "3e1211de7adaabd7bf451d03d125cb656c3cdcf80e9459589fb76de9c80911f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling x86_64 v0.13.3
[INFO] [stderr]     Checking conquer-util v0.3.0
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking conquer-once v0.3.2
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]     Checking rtl8139-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[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 8.71s
[INFO] running `Command { std: "docker" "inspect" "3e1211de7adaabd7bf451d03d125cb656c3cdcf80e9459589fb76de9c80911f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e1211de7adaabd7bf451d03d125cb656c3cdcf80e9459589fb76de9c80911f2", kill_on_drop: false }`
[INFO] [stdout] 3e1211de7adaabd7bf451d03d125cb656c3cdcf80e9459589fb76de9c80911f2