[INFO] fetching crate den-stdlib-fs 0.4.0...
[INFO] testing den-stdlib-fs-0.4.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate den-stdlib-fs 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate den-stdlib-fs 0.4.0
[INFO] finished tweaking crates.io crate den-stdlib-fs 0.4.0
[INFO] tweaked toml for crates.io crate den-stdlib-fs 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate den-stdlib-fs 0.4.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate den-stdlib-fs 0.4.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 714c90c8fdcd8162729f547677f6efdf56cdfec3a3bbe68200aeedb4f6d56152
[INFO] running `Command { std: "docker" "start" "-a" "714c90c8fdcd8162729f547677f6efdf56cdfec3a3bbe68200aeedb4f6d56152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "714c90c8fdcd8162729f547677f6efdf56cdfec3a3bbe68200aeedb4f6d56152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "714c90c8fdcd8162729f547677f6efdf56cdfec3a3bbe68200aeedb4f6d56152", kill_on_drop: false }`
[INFO] [stdout] 714c90c8fdcd8162729f547677f6efdf56cdfec3a3bbe68200aeedb4f6d56152
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b9f58cdd7b80bcfd52efab3ae376f11c2e849810da80680718c554e5b42a2ed
[INFO] running `Command { std: "docker" "start" "-a" "2b9f58cdd7b80bcfd52efab3ae376f11c2e849810da80680718c554e5b42a2ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling event-listener v5.3.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.3
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling rquickjs-sys v0.8.1
[INFO] [stderr]    Compiling tokio v1.42.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling dlopen_derive v0.1.4
[INFO] [stderr]    Compiling dlopen v0.1.8
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling rquickjs-core v0.8.1
[INFO] [stderr]    Compiling rquickjs-macro v0.8.1
[INFO] [stderr]    Compiling rquickjs v0.8.1
[INFO] [stderr]    Compiling den-stdlib-fs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "2b9f58cdd7b80bcfd52efab3ae376f11c2e849810da80680718c554e5b42a2ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9f58cdd7b80bcfd52efab3ae376f11c2e849810da80680718c554e5b42a2ed", kill_on_drop: false }`
[INFO] [stdout] 2b9f58cdd7b80bcfd52efab3ae376f11c2e849810da80680718c554e5b42a2ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74bd3b2fb13f4d83ad4e72797d80535126efb3968201cfafd716c715e19b4b1f
[INFO] running `Command { std: "docker" "start" "-a" "74bd3b2fb13f4d83ad4e72797d80535126efb3968201cfafd716c715e19b4b1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling den-stdlib-fs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "74bd3b2fb13f4d83ad4e72797d80535126efb3968201cfafd716c715e19b4b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74bd3b2fb13f4d83ad4e72797d80535126efb3968201cfafd716c715e19b4b1f", kill_on_drop: false }`
[INFO] [stdout] 74bd3b2fb13f4d83ad4e72797d80535126efb3968201cfafd716c715e19b4b1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3e0cb588cb64ae0c6ab6fd5a233ed6e453b5eeffd068a7f9c48a549737bf831d
[INFO] running `Command { std: "docker" "start" "-a" "3e0cb588cb64ae0c6ab6fd5a233ed6e453b5eeffd068a7f9c48a549737bf831d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/den_stdlib_fs-a0e831b5da23d2ad)
[INFO] [stderr]    Doc-tests den_stdlib_fs
[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] [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" "3e0cb588cb64ae0c6ab6fd5a233ed6e453b5eeffd068a7f9c48a549737bf831d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e0cb588cb64ae0c6ab6fd5a233ed6e453b5eeffd068a7f9c48a549737bf831d", kill_on_drop: false }`
[INFO] [stdout] 3e0cb588cb64ae0c6ab6fd5a233ed6e453b5eeffd068a7f9c48a549737bf831d