[INFO] fetching crate semolina 0.1.4...
[INFO] testing semolina-0.1.4 against 1.91.0 for beta-1.92-2
[INFO] extracting crate semolina 0.1.4 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate semolina 0.1.4
[INFO] finished tweaking crates.io crate semolina 0.1.4
[INFO] tweaked toml for crates.io crate semolina 0.1.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate semolina 0.1.4 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cc2cd79ce0e54d154bcee0f3542831290bf27177661c75652e21c063d85bf58
[INFO] running `Command { std: "docker" "start" "-a" "3cc2cd79ce0e54d154bcee0f3542831290bf27177661c75652e21c063d85bf58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cc2cd79ce0e54d154bcee0f3542831290bf27177661c75652e21c063d85bf58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc2cd79ce0e54d154bcee0f3542831290bf27177661c75652e21c063d85bf58", kill_on_drop: false }`
[INFO] [stdout] 3cc2cd79ce0e54d154bcee0f3542831290bf27177661c75652e21c063d85bf58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3443291cbd2c0f3c436ba985e8b96e5e6754ba97a7aaf2a6d7269530bc90d8c
[INFO] running `Command { std: "docker" "start" "-a" "a3443291cbd2c0f3c436ba985e8b96e5e6754ba97a7aaf2a6d7269530bc90d8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]    Compiling semolina v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "a3443291cbd2c0f3c436ba985e8b96e5e6754ba97a7aaf2a6d7269530bc90d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3443291cbd2c0f3c436ba985e8b96e5e6754ba97a7aaf2a6d7269530bc90d8c", kill_on_drop: false }`
[INFO] [stdout] a3443291cbd2c0f3c436ba985e8b96e5e6754ba97a7aaf2a6d7269530bc90d8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc57f2de69d64be2ef2fe50b4f0033fbe6d10efd4a33144dafcbeeac1fc0e840
[INFO] running `Command { std: "docker" "start" "-a" "dc57f2de69d64be2ef2fe50b4f0033fbe6d10efd4a33144dafcbeeac1fc0e840", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling semolina v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SeedableRng`
[INFO] [stdout]    --> src/lib.rs:487:25
[INFO] [stdout]     |
[INFO] [stdout] 487 |     use rand::{RngCore, SeedableRng};
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_entropy` found for struct `ChaCha20Rng` in the current scope
[INFO] [stdout]    --> src/lib.rs:518:44
[INFO] [stdout]     |
[INFO] [stdout] 518 |                 let mut rng = ChaCha20Rng::from_entropy();
[INFO] [stdout]     |                                            ^^^^^^^^^^^^ function or associated item not found in `ChaCha20Rng`
[INFO] [stdout]     |
[INFO] [stdout] help: there is an associated function `from_rng` with a similar name
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand_core-0.9.3/src/lib.rs:521:5
[INFO] [stdout]     |
[INFO] [stdout] 521 |     fn from_rng(rng: &mut impl RngCore) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `semolina` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "dc57f2de69d64be2ef2fe50b4f0033fbe6d10efd4a33144dafcbeeac1fc0e840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc57f2de69d64be2ef2fe50b4f0033fbe6d10efd4a33144dafcbeeac1fc0e840", kill_on_drop: false }`
[INFO] [stdout] dc57f2de69d64be2ef2fe50b4f0033fbe6d10efd4a33144dafcbeeac1fc0e840