[INFO] fetching crate natpmp 0.4.0...
[INFO] checking natpmp-0.4.0 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate natpmp 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate natpmp 0.4.0 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate natpmp 0.4.0
[INFO] finished tweaking crates.io crate natpmp 0.4.0
[INFO] tweaked toml for crates.io crate natpmp 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate natpmp 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 885640e15bb39c9719df19558b988210802b809a6c626040c3977835ee4ab988
[INFO] running `Command { std: "docker" "start" "-a" "885640e15bb39c9719df19558b988210802b809a6c626040c3977835ee4ab988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "885640e15bb39c9719df19558b988210802b809a6c626040c3977835ee4ab988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "885640e15bb39c9719df19558b988210802b809a6c626040c3977835ee4ab988", kill_on_drop: false }`
[INFO] [stdout] 885640e15bb39c9719df19558b988210802b809a6c626040c3977835ee4ab988
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e29cacfd830d433189b61d40a852643d74a436d1a7dcc8590df317a023547c0b
[INFO] running `Command { std: "docker" "start" "-a" "e29cacfd830d433189b61d40a852643d74a436d1a7dcc8590df317a023547c0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling tokio v1.22.0
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling natpmp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling async-trait v0.1.58
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> examples/async_udp_asyncstd.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `natpmp::*`
[INFO] [stdout]  --> examples/async_udp_asyncstd.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use natpmp::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> examples/async_udp_asyncstd.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `async_udp_asyncstd`
[INFO] [stdout]   --> examples/async_udp_asyncstd.rs:45:2
[INFO] [stdout]    |
[INFO] [stdout] 45 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `examples/async_udp_asyncstd.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `natpmp` (example "async_udp_asyncstd") due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e29cacfd830d433189b61d40a852643d74a436d1a7dcc8590df317a023547c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e29cacfd830d433189b61d40a852643d74a436d1a7dcc8590df317a023547c0b", kill_on_drop: false }`
[INFO] [stdout] e29cacfd830d433189b61d40a852643d74a436d1a7dcc8590df317a023547c0b
