[INFO] fetching crate mio_wasi 0.8.9...
[INFO] testing mio_wasi-0.8.9 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate mio_wasi 0.8.9 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mio_wasi 0.8.9
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mio_wasi 0.8.9
[INFO] tweaked toml for crates.io crate mio_wasi 0.8.9 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mio_wasi 0.8.9 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mio_wasi 0.8.9 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2abfbbdb589af758f649f4ad0d8745cc925ec6aaddfdfe5485fbc3278c6b86db
[INFO] running `Command { std: "docker" "start" "-a" "2abfbbdb589af758f649f4ad0d8745cc925ec6aaddfdfe5485fbc3278c6b86db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2abfbbdb589af758f649f4ad0d8745cc925ec6aaddfdfe5485fbc3278c6b86db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2abfbbdb589af758f649f4ad0d8745cc925ec6aaddfdfe5485fbc3278c6b86db", kill_on_drop: false }`
[INFO] [stdout] 2abfbbdb589af758f649f4ad0d8745cc925ec6aaddfdfe5485fbc3278c6b86db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 847f55516a2e1cba546edda1c8cf1acd12496b623c6fc6097a19861021cb9523
[INFO] running `Command { std: "docker" "start" "-a" "847f55516a2e1cba546edda1c8cf1acd12496b623c6fc6097a19861021cb9523", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling mio_wasi v0.8.9 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused import: `self::sourcefd::SourceFd`
[INFO] [stdout]   --> src/sys/unix/mod.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub use self::sourcefd::SourceFd;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout]  5 |     unused_imports,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `SourceFd` is never constructed
[INFO] [stdout]   --> src/sys/unix/sourcefd.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub struct SourceFd<'a>(pub &'a RawFd);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  6 |     dead_code
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mio_wasi` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "847f55516a2e1cba546edda1c8cf1acd12496b623c6fc6097a19861021cb9523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847f55516a2e1cba546edda1c8cf1acd12496b623c6fc6097a19861021cb9523", kill_on_drop: false }`
[INFO] [stdout] 847f55516a2e1cba546edda1c8cf1acd12496b623c6fc6097a19861021cb9523