[INFO] fetching crate thinbox 0.1.4...
[INFO] testing thinbox-0.1.4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate thinbox 0.1.4 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate thinbox 0.1.4 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thinbox 0.1.4
[INFO] finished tweaking crates.io crate thinbox 0.1.4
[INFO] tweaked toml for crates.io crate thinbox 0.1.4 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd11ee6825f8d0a4efdadca936ce63ca34c1d348e0db68e5a9f53be5be98c89f
[INFO] running `Command { std: "docker" "start" "-a" "bd11ee6825f8d0a4efdadca936ce63ca34c1d348e0db68e5a9f53be5be98c89f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd11ee6825f8d0a4efdadca936ce63ca34c1d348e0db68e5a9f53be5be98c89f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd11ee6825f8d0a4efdadca936ce63ca34c1d348e0db68e5a9f53be5be98c89f", kill_on_drop: false }`
[INFO] [stdout] bd11ee6825f8d0a4efdadca936ce63ca34c1d348e0db68e5a9f53be5be98c89f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea3bb93bd1f46f137a410a97bf3f2f57c81885158c3163a99dd7db776fd8f3a5
[INFO] running `Command { std: "docker" "start" "-a" "ea3bb93bd1f46f137a410a97bf3f2f57c81885158c3163a99dd7db776fd8f3a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling thinbox v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]    --> src/lib.rs:119:10
[INFO] [stdout]     |
[INFO] [stdout] 119 | use std::raw::TraitObject;
[INFO] [stdout]     |          ^^^ could not find `raw` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(raw)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(unsize)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thinbox` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "ea3bb93bd1f46f137a410a97bf3f2f57c81885158c3163a99dd7db776fd8f3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea3bb93bd1f46f137a410a97bf3f2f57c81885158c3163a99dd7db776fd8f3a5", kill_on_drop: false }`
[INFO] [stdout] ea3bb93bd1f46f137a410a97bf3f2f57c81885158c3163a99dd7db776fd8f3a5