[INFO] fetching crate sneak 0.1.0-rc4...
[INFO] testing sneak-0.1.0-rc4 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate sneak 0.1.0-rc4 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate sneak 0.1.0-rc4
[INFO] finished tweaking crates.io crate sneak 0.1.0-rc4
[INFO] tweaked toml for crates.io crate sneak 0.1.0-rc4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sneak 0.1.0-rc4 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47132de23db67b61027049c5072a6a5cbead8ed32abe00e82acab6c2cab00210
[INFO] running `Command { std: "docker" "start" "-a" "47132de23db67b61027049c5072a6a5cbead8ed32abe00e82acab6c2cab00210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47132de23db67b61027049c5072a6a5cbead8ed32abe00e82acab6c2cab00210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47132de23db67b61027049c5072a6a5cbead8ed32abe00e82acab6c2cab00210", kill_on_drop: false }`
[INFO] [stdout] 47132de23db67b61027049c5072a6a5cbead8ed32abe00e82acab6c2cab00210
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee3fe9c670834fef2ed3c59363e9b0a037b5f83f4d0564e7b8d3b286bceff080
[INFO] running `Command { std: "docker" "start" "-a" "ee3fe9c670834fef2ed3c59363e9b0a037b5f83f4d0564e7b8d3b286bceff080", kill_on_drop: false }`
[INFO] [stderr]    Compiling sneak v0.1.0-rc4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "ee3fe9c670834fef2ed3c59363e9b0a037b5f83f4d0564e7b8d3b286bceff080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee3fe9c670834fef2ed3c59363e9b0a037b5f83f4d0564e7b8d3b286bceff080", kill_on_drop: false }`
[INFO] [stdout] ee3fe9c670834fef2ed3c59363e9b0a037b5f83f4d0564e7b8d3b286bceff080
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 324ae0550b80eaefcc896b152e9d3dcdad2596c864133b80e3886133669a3048
[INFO] running `Command { std: "docker" "start" "-a" "324ae0550b80eaefcc896b152e9d3dcdad2596c864133b80e3886133669a3048", kill_on_drop: false }`
[INFO] [stderr]    Compiling sneak v0.1.0-rc4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "324ae0550b80eaefcc896b152e9d3dcdad2596c864133b80e3886133669a3048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "324ae0550b80eaefcc896b152e9d3dcdad2596c864133b80e3886133669a3048", kill_on_drop: false }`
[INFO] [stdout] 324ae0550b80eaefcc896b152e9d3dcdad2596c864133b80e3886133669a3048
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76ad4c5902392ae1afcc15cab95432fa0238605ebfeab6871261b9bf0c23b7fc
[INFO] running `Command { std: "docker" "start" "-a" "76ad4c5902392ae1afcc15cab95432fa0238605ebfeab6871261b9bf0c23b7fc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sneak-eb9b823371f2a3db)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test::dup ... FAILED
[INFO] [stdout] test test::file_fchown ... FAILED
[INFO] [stdout] test test::open_cwd ... ok
[INFO] [stdout] test test::file_fstat ... FAILED
[INFO] [stdout] test test::open_file ... FAILED
[INFO] [stdout] test test::open_nothing ... ok
[INFO] [stdout] test test::open_exists_relative ... FAILED
[INFO] [stdout] test test::open_skip_symlink ... FAILED
[INFO] [stdout] test test::open_should_not_exist ... ok
[INFO] [stdout] test test::saturate_dirs ... FAILED
[INFO] [stdout] test test::valid_fd_for_close ... ok
[INFO] [stdout] test test::open_dir_exists ... FAILED
[INFO] [stdout] test test::open_self ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::dup stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] ---- test::file_fchown stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] ---- test::file_fstat stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] ---- test::open_file stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] ---- test::open_exists_relative stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] ---- test::open_skip_symlink stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] ---- test::saturate_dirs stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] ---- test::open_dir_exists stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::dup
[INFO] [stdout]     test::file_fchown
[INFO] [stdout]     test::file_fstat
[INFO] [stdout]     test::open_dir_exists
[INFO] [stdout]     test::open_exists_relative
[INFO] [stdout]     test::open_file
[INFO] [stdout]     test::open_skip_symlink
[INFO] [stdout]     test::saturate_dirs
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 8 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "76ad4c5902392ae1afcc15cab95432fa0238605ebfeab6871261b9bf0c23b7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ad4c5902392ae1afcc15cab95432fa0238605ebfeab6871261b9bf0c23b7fc", kill_on_drop: false }`
[INFO] [stdout] 76ad4c5902392ae1afcc15cab95432fa0238605ebfeab6871261b9bf0c23b7fc