[INFO] fetching crate votable 0.2.3...
[INFO] testing votable-0.2.3 against 1.75.0 for beta-1.76-1
[INFO] extracting crate votable 0.2.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate votable 0.2.3 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate votable 0.2.3
[INFO] finished tweaking crates.io crate votable 0.2.3
[INFO] tweaked toml for crates.io crate votable 0.2.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.10
[INFO] [stderr]   Downloaded serde_yaml v0.9.30
[INFO] [stderr]   Downloaded ucs2 v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfe52645ad20f246ae870d935a302e27890fadb0bdfcccd11dc1c90c3b5f9828
[INFO] running `Command { std: "docker" "start" "-a" "bfe52645ad20f246ae870d935a302e27890fadb0bdfcccd11dc1c90c3b5f9828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfe52645ad20f246ae870d935a302e27890fadb0bdfcccd11dc1c90c3b5f9828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfe52645ad20f246ae870d935a302e27890fadb0bdfcccd11dc1c90c3b5f9828", kill_on_drop: false }`
[INFO] [stdout] bfe52645ad20f246ae870d935a302e27890fadb0bdfcccd11dc1c90c3b5f9828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fec273b883d1dc934967aa61ff9f6fd7d337165768eba071dd8f299454dcb13
[INFO] running `Command { std: "docker" "start" "-a" "0fec273b883d1dc934967aa61ff9f6fd7d337165768eba071dd8f299454dcb13", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.10
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling quick-xml v0.23.1
[INFO] [stderr]    Compiling base64 v0.21.5
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling ucs2 v0.3.2
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling serde_yaml v0.9.30
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling votable v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `serde::__private::size_hint`
[INFO] [stdout]   --> src/impls/visitors.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |   __private::{from_utf8_lossy, size_hint}
[INFO] [stdout]    |                                ^^^^^^^^^ no `size_hint` in `__private`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `votable` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0fec273b883d1dc934967aa61ff9f6fd7d337165768eba071dd8f299454dcb13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fec273b883d1dc934967aa61ff9f6fd7d337165768eba071dd8f299454dcb13", kill_on_drop: false }`
[INFO] [stdout] 0fec273b883d1dc934967aa61ff9f6fd7d337165768eba071dd8f299454dcb13
