[INFO] fetching crate polarstego 0.3.2...
[INFO] testing polarstego-0.3.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate polarstego 0.3.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate polarstego 0.3.2
[INFO] finished tweaking crates.io crate polarstego 0.3.2
[INFO] tweaked toml for crates.io crate polarstego 0.3.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polarstego 0.3.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate polarstego 0.3.2 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9cbbdcf887f3db6a1a097a1f71d770ae8495e53ac1788fa8f93a8accc613f84
[INFO] running `Command { std: "docker" "start" "-a" "a9cbbdcf887f3db6a1a097a1f71d770ae8495e53ac1788fa8f93a8accc613f84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9cbbdcf887f3db6a1a097a1f71d770ae8495e53ac1788fa8f93a8accc613f84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9cbbdcf887f3db6a1a097a1f71d770ae8495e53ac1788fa8f93a8accc613f84", kill_on_drop: false }`
[INFO] [stdout] a9cbbdcf887f3db6a1a097a1f71d770ae8495e53ac1788fa8f93a8accc613f84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d71373e5ed0c100404a5a52b4c28d55665f9c01fc5a64c074982e1cc65fe2d46
[INFO] running `Command { std: "docker" "start" "-a" "d71373e5ed0c100404a5a52b4c28d55665f9c01fc5a64c074982e1cc65fe2d46", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling zerocopy v0.8.37
[INFO] [stderr]    Compiling roots v0.0.8
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rand_core v0.9.5
[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 polarstego v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.67s
[INFO] running `Command { std: "docker" "inspect" "d71373e5ed0c100404a5a52b4c28d55665f9c01fc5a64c074982e1cc65fe2d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d71373e5ed0c100404a5a52b4c28d55665f9c01fc5a64c074982e1cc65fe2d46", kill_on_drop: false }`
[INFO] [stdout] d71373e5ed0c100404a5a52b4c28d55665f9c01fc5a64c074982e1cc65fe2d46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00c80f937599457b2bf7deb3f0c7a8900bd151a8324a8f2a3c99b8dee05fba9e
[INFO] running `Command { std: "docker" "start" "-a" "00c80f937599457b2bf7deb3f0c7a8900bd151a8324a8f2a3c99b8dee05fba9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling polarstego v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "00c80f937599457b2bf7deb3f0c7a8900bd151a8324a8f2a3c99b8dee05fba9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00c80f937599457b2bf7deb3f0c7a8900bd151a8324a8f2a3c99b8dee05fba9e", kill_on_drop: false }`
[INFO] [stdout] 00c80f937599457b2bf7deb3f0c7a8900bd151a8324a8f2a3c99b8dee05fba9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3fdee32c8607f294e5aea62411ac083153794ea633f49f46d944bd914dbd30c2
[INFO] running `Command { std: "docker" "start" "-a" "3fdee32c8607f294e5aea62411ac083153794ea633f49f46d944bd914dbd30c2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/polarstego-6fb3fe4efc924f34)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::embed_extract_padded_7993_m3167_with_key ... ok
[INFO] [stdout] test tests::embed_extract_2048_with_key ... ok
[INFO] [stdout] test tests::embed_extract_2048 ... ok
[INFO] [stdout] test tests::embed_extract_padded_7993_m1 ... ok
[INFO] [stdout] test tests::embed_extract_padded_7993_m3167 ... ok
[INFO] [stdout] test tests::embed_extract_padded_7993_m3167_with_bad_key - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polarstego
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/../README.md - (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.50s; merged doctests compilation took 0.48s
[INFO] running `Command { std: "docker" "inspect" "3fdee32c8607f294e5aea62411ac083153794ea633f49f46d944bd914dbd30c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fdee32c8607f294e5aea62411ac083153794ea633f49f46d944bd914dbd30c2", kill_on_drop: false }`
[INFO] [stdout] 3fdee32c8607f294e5aea62411ac083153794ea633f49f46d944bd914dbd30c2
