[INFO] fetching crate async-vfs 0.56.0...
[INFO] testing async-vfs-0.56.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate async-vfs 0.56.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate async-vfs 0.56.0
[INFO] finished tweaking crates.io crate async-vfs 0.56.0
[INFO] tweaked toml for crates.io crate async-vfs 0.56.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-vfs 0.56.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding futures-lite v1.13.0 (available: v2.6.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.12)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76ff07ef13e2ea0484b5f8ccf2497e15c5258b2018e294bad5ad7118553241e3
[INFO] running `Command { std: "docker" "start" "-a" "76ff07ef13e2ea0484b5f8ccf2497e15c5258b2018e294bad5ad7118553241e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76ff07ef13e2ea0484b5f8ccf2497e15c5258b2018e294bad5ad7118553241e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ff07ef13e2ea0484b5f8ccf2497e15c5258b2018e294bad5ad7118553241e3", kill_on_drop: false }`
[INFO] [stdout] 76ff07ef13e2ea0484b5f8ccf2497e15c5258b2018e294bad5ad7118553241e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b4b5e4930eae8131f175ee115e74f41740553c7b50877b193a84d303befabbce
[INFO] running `Command { std: "docker" "start" "-a" "b4b5e4930eae8131f175ee115e74f41740553c7b50877b193a84d303befabbce", kill_on_drop: false }`
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling async-vfs v0.56.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `VfsResultExt` is never used
[INFO] [stdout]   --> src/error.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub(crate) trait VfsResultExt<T> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.50s
[INFO] running `Command { std: "docker" "inspect" "b4b5e4930eae8131f175ee115e74f41740553c7b50877b193a84d303befabbce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4b5e4930eae8131f175ee115e74f41740553c7b50877b193a84d303befabbce", kill_on_drop: false }`
[INFO] [stdout] b4b5e4930eae8131f175ee115e74f41740553c7b50877b193a84d303befabbce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 307c30edfb7b01f252f98538918bafa39640a87eb3fae28eef325b408f23d42c
[INFO] running `Command { std: "docker" "start" "-a" "307c30edfb7b01f252f98538918bafa39640a87eb3fae28eef325b408f23d42c", kill_on_drop: false }`
[INFO] [stdout] warning: trait `VfsResultExt` is never used
[INFO] [stdout]   --> src/error.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub(crate) trait VfsResultExt<T> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling async-vfs v0.56.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `VfsResultExt` is never used
[INFO] [stdout]   --> src/error.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub(crate) trait VfsResultExt<T> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "307c30edfb7b01f252f98538918bafa39640a87eb3fae28eef325b408f23d42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "307c30edfb7b01f252f98538918bafa39640a87eb3fae28eef325b408f23d42c", kill_on_drop: false }`
[INFO] [stdout] 307c30edfb7b01f252f98538918bafa39640a87eb3fae28eef325b408f23d42c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] ad479d69ca229522722413780738971e9bfc8c889230c10cb2868e1b7703172f
[INFO] running `Command { std: "docker" "start" "-a" "ad479d69ca229522722413780738971e9bfc8c889230c10cb2868e1b7703172f", kill_on_drop: false }`
[INFO] [stderr] warning: trait `VfsResultExt` is never used
[INFO] [stderr]   --> src/error.rs:37:18
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub(crate) trait VfsResultExt<T> {
[INFO] [stderr]    |                  ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `async-vfs` (lib) generated 1 warning
[INFO] [stderr] warning: `async-vfs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/async_vfs-18f9d353538a132f)
[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" "ad479d69ca229522722413780738971e9bfc8c889230c10cb2868e1b7703172f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad479d69ca229522722413780738971e9bfc8c889230c10cb2868e1b7703172f", kill_on_drop: false }`
[INFO] [stdout] ad479d69ca229522722413780738971e9bfc8c889230c10cb2868e1b7703172f