[INFO] fetching crate souvenir-core 0.5.5...
[INFO] testing souvenir-core-0.5.5 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate souvenir-core 0.5.5 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate souvenir-core 0.5.5
[INFO] finished tweaking crates.io crate souvenir-core 0.5.5
[INFO] tweaked toml for crates.io crate souvenir-core 0.5.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate souvenir-core 0.5.5 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate souvenir-core 0.5.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 651749ac9756f03406dd074f52e44498e6aced6ebeddce614d0829e26759b43d
[INFO] running `Command { std: "docker" "start" "-a" "651749ac9756f03406dd074f52e44498e6aced6ebeddce614d0829e26759b43d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "651749ac9756f03406dd074f52e44498e6aced6ebeddce614d0829e26759b43d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651749ac9756f03406dd074f52e44498e6aced6ebeddce614d0829e26759b43d", kill_on_drop: false }`
[INFO] [stdout] 651749ac9756f03406dd074f52e44498e6aced6ebeddce614d0829e26759b43d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16d1bc852173523306b7fbb68b5c493100f7d5cb1117fad8f9e51baca37036d8
[INFO] running `Command { std: "docker" "start" "-a" "16d1bc852173523306b7fbb68b5c493100f7d5cb1117fad8f9e51baca37036d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling souvenir-core v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "16d1bc852173523306b7fbb68b5c493100f7d5cb1117fad8f9e51baca37036d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16d1bc852173523306b7fbb68b5c493100f7d5cb1117fad8f9e51baca37036d8", kill_on_drop: false }`
[INFO] [stdout] 16d1bc852173523306b7fbb68b5c493100f7d5cb1117fad8f9e51baca37036d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76dd9bdb6b2bc2e2e932d2dd58158e485c29d2c448de98ea9dbd731c0ca010fd
[INFO] running `Command { std: "docker" "start" "-a" "76dd9bdb6b2bc2e2e932d2dd58158e485c29d2c448de98ea9dbd731c0ca010fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling souvenir-core v0.5.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]   --> src/encoding/suffix.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     use rand::random;
[INFO] [stdout]    |         ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `souvenir-core` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "76dd9bdb6b2bc2e2e932d2dd58158e485c29d2c448de98ea9dbd731c0ca010fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76dd9bdb6b2bc2e2e932d2dd58158e485c29d2c448de98ea9dbd731c0ca010fd", kill_on_drop: false }`
[INFO] [stdout] 76dd9bdb6b2bc2e2e932d2dd58158e485c29d2c448de98ea9dbd731c0ca010fd