[INFO] fetching crate steganogram 0.0.1...
[INFO] testing steganogram-0.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate steganogram 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate steganogram 0.0.1
[INFO] finished tweaking crates.io crate steganogram 0.0.1
[INFO] tweaked toml for crates.io crate steganogram 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate steganogram 0.0.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6abab6fbf5fdedd5533cb5ac3dfc6375ceb61f88324e53f4d4ea1f742c175860
[INFO] running `Command { std: "docker" "start" "-a" "6abab6fbf5fdedd5533cb5ac3dfc6375ceb61f88324e53f4d4ea1f742c175860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6abab6fbf5fdedd5533cb5ac3dfc6375ceb61f88324e53f4d4ea1f742c175860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6abab6fbf5fdedd5533cb5ac3dfc6375ceb61f88324e53f4d4ea1f742c175860", kill_on_drop: false }`
[INFO] [stdout] 6abab6fbf5fdedd5533cb5ac3dfc6375ceb61f88324e53f4d4ea1f742c175860
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4ede84b00382dda696703d6d4a4134d7ef0114db707b42826dce89f20527e6a2
[INFO] running `Command { std: "docker" "start" "-a" "4ede84b00382dda696703d6d4a4134d7ef0114db707b42826dce89f20527e6a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling steganogram v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "4ede84b00382dda696703d6d4a4134d7ef0114db707b42826dce89f20527e6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ede84b00382dda696703d6d4a4134d7ef0114db707b42826dce89f20527e6a2", kill_on_drop: false }`
[INFO] [stdout] 4ede84b00382dda696703d6d4a4134d7ef0114db707b42826dce89f20527e6a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a98a835db9bf99b4a34ba8c74d4374ca946fd7728624de21ee4e85d27df2e3d6
[INFO] running `Command { std: "docker" "start" "-a" "a98a835db9bf99b4a34ba8c74d4374ca946fd7728624de21ee4e85d27df2e3d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling steganogram v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "a98a835db9bf99b4a34ba8c74d4374ca946fd7728624de21ee4e85d27df2e3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a98a835db9bf99b4a34ba8c74d4374ca946fd7728624de21ee4e85d27df2e3d6", kill_on_drop: false }`
[INFO] [stdout] a98a835db9bf99b4a34ba8c74d4374ca946fd7728624de21ee4e85d27df2e3d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0be246fffafb6f9ba9a891c99abafbbb39dd1ffb3639a62ad7bf3c33960644f6
[INFO] running `Command { std: "docker" "start" "-a" "0be246fffafb6f9ba9a891c99abafbbb39dd1ffb3639a62ad7bf3c33960644f6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/steganogram-11041b69b789cbae)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests steganogram
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0be246fffafb6f9ba9a891c99abafbbb39dd1ffb3639a62ad7bf3c33960644f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be246fffafb6f9ba9a891c99abafbbb39dd1ffb3639a62ad7bf3c33960644f6", kill_on_drop: false }`
[INFO] [stdout] 0be246fffafb6f9ba9a891c99abafbbb39dd1ffb3639a62ad7bf3c33960644f6
