[INFO] fetching crate flop 0.2.7...
[INFO] testing flop-0.2.7 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate flop 0.2.7 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate flop 0.2.7
[INFO] finished tweaking crates.io crate flop 0.2.7
[INFO] tweaked toml for crates.io crate flop 0.2.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flop 0.2.7 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 223 packages to latest compatible versions
[INFO] [stderr]       Adding async_zip v0.0.15 (available: v0.0.18)
[INFO] [stderr]       Adding cpio v0.2.2 (available: v0.4.1)
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.10)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.14.0)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[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] 0ee42326ac07ac89f0d196cfb8fae481daf9aea910e3b53ca18f433727ffad60
[INFO] running `Command { std: "docker" "start" "-a" "0ee42326ac07ac89f0d196cfb8fae481daf9aea910e3b53ca18f433727ffad60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ee42326ac07ac89f0d196cfb8fae481daf9aea910e3b53ca18f433727ffad60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee42326ac07ac89f0d196cfb8fae481daf9aea910e3b53ca18f433727ffad60", kill_on_drop: false }`
[INFO] [stdout] 0ee42326ac07ac89f0d196cfb8fae481daf9aea910e3b53ca18f433727ffad60
[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] 10b04b0bfed7892cb4a65ceae9b30932f0036fd7b13accea500b90f0dda684e6
[INFO] running `Command { std: "docker" "start" "-a" "10b04b0bfed7892cb4a65ceae9b30932f0036fd7b13accea500b90f0dda684e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling pkg-config v0.3.33
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling simd-adler32 v0.3.9
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling icu_normalizer v2.2.0
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling owo-colors v4.3.0
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling color-spantrace v0.3.0
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling indenter v0.3.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling libbz2-rs-sys v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling bzip2 v0.6.1
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling compression-core v0.4.32
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling deflate64 v0.1.12
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling tracing-serde v0.2.0
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling env_filter v1.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling cc v1.2.61
[INFO] [stderr]    Compiling test-log-core v0.2.20
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling test-log-macros v0.2.20
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling cpio_reader v0.1.2
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling env_logger v0.11.10
[INFO] [stderr]    Compiling async-recursion v1.1.1
[INFO] [stderr]    Compiling debug-ignore v1.0.5
[INFO] [stderr]    Compiling cpio v0.2.2
[INFO] [stderr]    Compiling ar v0.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling derive-getters v0.2.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling filetime v0.2.27
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling liblzma-sys v0.4.6
[INFO] [stderr]    Compiling lz4-sys v1.11.1+lz4-1.10.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling xattr v1.6.1
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling tracing-error v0.2.1
[INFO] [stderr]    Compiling test-log v0.2.20
[INFO] [stderr]    Compiling color-eyre v0.6.5
[INFO] [stderr]    Compiling liblzma v0.4.6
[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling async_zip v0.0.15
[INFO] [stderr]    Compiling rsfs-tokio v0.5.0
[INFO] [stderr]    Compiling tokio-tar v0.3.1
[INFO] [stderr]    Compiling floppy-disk v0.2.6
[INFO] [stderr]    Compiling nyoom v0.3.5
[INFO] [stderr]    Compiling disk-drive v0.1.10
[INFO] [stderr]    Compiling lz4 v1.28.1
[INFO] [stderr]    Compiling compression-codecs v0.4.38
[INFO] [stderr]    Compiling async-compression v0.4.42
[INFO] [stderr]    Compiling smoosh v0.2.1
[INFO] [stderr]    Compiling flop v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.57s
[INFO] running `Command { std: "docker" "inspect" "10b04b0bfed7892cb4a65ceae9b30932f0036fd7b13accea500b90f0dda684e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b04b0bfed7892cb4a65ceae9b30932f0036fd7b13accea500b90f0dda684e6", kill_on_drop: false }`
[INFO] [stdout] 10b04b0bfed7892cb4a65ceae9b30932f0036fd7b13accea500b90f0dda684e6
[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] 468ac5af19ca5edac35c15d85433b2f6c29791d49ae6230081f5268f838f154d
[INFO] running `Command { std: "docker" "start" "-a" "468ac5af19ca5edac35c15d85433b2f6c29791d49ae6230081f5268f838f154d", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling tracing-error v0.2.1
[INFO] [stderr]    Compiling test-log v0.2.20
[INFO] [stderr]    Compiling color-spantrace v0.3.0
[INFO] [stderr]    Compiling color-eyre v0.6.5
[INFO] [stderr]    Compiling nyoom v0.3.5
[INFO] [stderr]    Compiling disk-drive v0.1.10
[INFO] [stderr]    Compiling flop v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.35s
[INFO] running `Command { std: "docker" "inspect" "468ac5af19ca5edac35c15d85433b2f6c29791d49ae6230081f5268f838f154d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468ac5af19ca5edac35c15d85433b2f6c29791d49ae6230081f5268f838f154d", kill_on_drop: false }`
[INFO] [stdout] 468ac5af19ca5edac35c15d85433b2f6c29791d49ae6230081f5268f838f154d
[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] cea5cef8782a0d4f6083d85329aab7cee30c2e2326c32df18ea2287c47ae259e
[INFO] running `Command { std: "docker" "start" "-a" "cea5cef8782a0d4f6083d85329aab7cee30c2e2326c32df18ea2287c47ae259e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flop-c96445a665d0ce36)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test ar::tests::test_create_new_works ... ok
[INFO] [stdout] test tar::tests::test_directories_works ... ok
[INFO] [stdout] test cpio::tests::test_create_new_works ... ok
[INFO] [stdout] test tar::tests::test_create_new_works ... FAILED
[INFO] [stdout] test cpio::tests::test_read_works ... ok
[INFO] [stdout] test cpio::tests::test_many_files_and_directories_works ... ok
[INFO] [stdout] test zip::tests::test_create_new_works ... ok
[INFO] [stdout] test tar::tests::test_read_works ... ok
[INFO] [stdout] test ar::tests::test_read_works ... ok
[INFO] [stdout] test ar::tests::test_write_works ... ok
[INFO] [stdout] test ar::tests::test_many_files_and_directories_works ... ok
[INFO] [stdout] test zip::tests::test_directories_works ... ok
[INFO] [stdout] test zip::tests::test_read_works ... ok
[INFO] [stdout] test cpio::tests::test_directories_works ... ok
[INFO] [stdout] test zip::tests::test_many_files_and_directories_works ... ok
[INFO] [stdout] test zip::tests::test_write_works ... ok
[INFO] [stdout] test tar::tests::test_write_works ... ok
[INFO] [stdout] test cpio::tests::test_write_works ... ok
[INFO] [stdout] test tar::tests::test_many_files_and_directories_works ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test ar::tests::test_directories_works ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tar::tests::test_create_new_works stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tar::tests::test_create_new_works
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 19 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cea5cef8782a0d4f6083d85329aab7cee30c2e2326c32df18ea2287c47ae259e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cea5cef8782a0d4f6083d85329aab7cee30c2e2326c32df18ea2287c47ae259e", kill_on_drop: false }`
[INFO] [stdout] cea5cef8782a0d4f6083d85329aab7cee30c2e2326c32df18ea2287c47ae259e