[INFO] fetching crate unicom-serial 0.1.1...
[INFO] checking unicom-serial-0.1.1 against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] extracting crate unicom-serial 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate unicom-serial 0.1.1 on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unicom-serial 0.1.1
[INFO] finished tweaking crates.io crate unicom-serial 0.1.1
[INFO] tweaked toml for crates.io crate unicom-serial 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-serial v4.3.3
[INFO] [stderr]   Downloaded mio-serial v3.3.1
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a77f0807298760afffd82bc8235c76779a76bd09d5d48279421eaebdcad84a4d
[INFO] running `Command { std: "docker" "start" "-a" "a77f0807298760afffd82bc8235c76779a76bd09d5d48279421eaebdcad84a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a77f0807298760afffd82bc8235c76779a76bd09d5d48279421eaebdcad84a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a77f0807298760afffd82bc8235c76779a76bd09d5d48279421eaebdcad84a4d", kill_on_drop: false }`
[INFO] [stdout] a77f0807298760afffd82bc8235c76779a76bd09d5d48279421eaebdcad84a4d
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f916fac9d83b6b2e4aec81be98fe9c733f578cdd81413eff01a969986fecdd65
[INFO] running `Command { std: "docker" "start" "-a" "f916fac9d83b6b2e4aec81be98fe9c733f578cdd81413eff01a969986fecdd65", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking unicom v0.1.1
[INFO] [stdout] error: Either of features should be selected: futures, tokio, async-std
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unicom-0.1.1/src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | compile_error!("Either of features should be selected: futures, tokio, async-std");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unicom`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f916fac9d83b6b2e4aec81be98fe9c733f578cdd81413eff01a969986fecdd65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f916fac9d83b6b2e4aec81be98fe9c733f578cdd81413eff01a969986fecdd65", kill_on_drop: false }`
[INFO] [stdout] f916fac9d83b6b2e4aec81be98fe9c733f578cdd81413eff01a969986fecdd65