[INFO] fetching crate swiss-army-knife 0.0.37...
[INFO] testing swiss-army-knife-0.0.37 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate swiss-army-knife 0.0.37 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate swiss-army-knife 0.0.37
[INFO] finished tweaking crates.io crate swiss-army-knife 0.0.37
[INFO] tweaked toml for crates.io crate swiss-army-knife 0.0.37 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate swiss-army-knife 0.0.37 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to highest compatible versions
[INFO] [stderr]       Adding hashbrown v0.9.1 (available: v0.17.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 350ff4215c1d508c680680e21cc18e19404ad3770cc908d04ffcbbd95270f650
[INFO] running `Command { std: "docker" "start" "350ff4215c1d508c680680e21cc18e19404ad3770cc908d04ffcbbd95270f650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "350ff4215c1d508c680680e21cc18e19404ad3770cc908d04ffcbbd95270f650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "350ff4215c1d508c680680e21cc18e19404ad3770cc908d04ffcbbd95270f650" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "350ff4215c1d508c680680e21cc18e19404ad3770cc908d04ffcbbd95270f650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "350ff4215c1d508c680680e21cc18e19404ad3770cc908d04ffcbbd95270f650" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling libc v0.2.190
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling likely v0.2.0
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling ahash v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling arrayvec v0.7.8
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/hashbrown-0.9.1/src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     feature(test, core_intrinsics, dropck_eyepatch, min_specialization, extend_one)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot specialize on trait `Copy`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/hashbrown-0.9.1/src/raw/mod.rs:1259:9
[INFO] [stdout]      |
[INFO] [stdout] 1259 | impl<T: Copy> RawTableClone for RawTable<T> {
[INFO] [stdout]      |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hashbrown` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "350ff4215c1d508c680680e21cc18e19404ad3770cc908d04ffcbbd95270f650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "350ff4215c1d508c680680e21cc18e19404ad3770cc908d04ffcbbd95270f650", kill_on_drop: false }`
[INFO] [stdout] 350ff4215c1d508c680680e21cc18e19404ad3770cc908d04ffcbbd95270f650
