[INFO] fetching crate fuse-backend-rs 0.1.1...
[INFO] testing fuse-backend-rs-0.1.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate fuse-backend-rs 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fuse-backend-rs 0.1.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fuse-backend-rs 0.1.1
[INFO] finished tweaking crates.io crate fuse-backend-rs 0.1.1
[INFO] tweaked toml for crates.io crate fuse-backend-rs 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 292ec29cf9a451441e56cac36da2ea3dddac113b29eb01878d1d0e6a048b760f
[INFO] running `Command { std: "docker" "start" "-a" "292ec29cf9a451441e56cac36da2ea3dddac113b29eb01878d1d0e6a048b760f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "292ec29cf9a451441e56cac36da2ea3dddac113b29eb01878d1d0e6a048b760f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "292ec29cf9a451441e56cac36da2ea3dddac113b29eb01878d1d0e6a048b760f", kill_on_drop: false }`
[INFO] [stdout] 292ec29cf9a451441e56cac36da2ea3dddac113b29eb01878d1d0e6a048b760f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0e65857e3814b112a98723c9b61229aad3b5905f51cf5f135955c8ac5c3e9cdc
[INFO] running `Command { std: "docker" "start" "-a" "0e65857e3814b112a98723c9b61229aad3b5905f51cf5f135955c8ac5c3e9cdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling arc-swap v1.3.0
[INFO] [stderr]    Compiling vmm-sys-util v0.4.0
[INFO] [stderr]    Compiling vm-memory v0.4.0
[INFO] [stderr]    Compiling epoll v4.3.1
[INFO] [stderr]    Compiling fuse-backend-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/api/filesystem/mod.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[doc(inline)]
[INFO] [stdout]    |       ^^^^^^ only applicable on `use` items
[INFO] [stdout] 24 | mod sync_io;
[INFO] [stdout]    | ------------ not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/passthrough/mod.rs:497:38
[INFO] [stdout]     |
[INFO] [stdout] 497 |                     if data.refcount.compare_and_swap(curr, new, Ordering::AcqRel) == curr {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/passthrough/mod.rs:565:34
[INFO] [stdout]     |
[INFO] [stdout] 565 |                 if data.refcount.compare_and_swap(curr, new, Ordering::AcqRel) == curr {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.72s
[INFO] running `Command { std: "docker" "inspect" "0e65857e3814b112a98723c9b61229aad3b5905f51cf5f135955c8ac5c3e9cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e65857e3814b112a98723c9b61229aad3b5905f51cf5f135955c8ac5c3e9cdc", kill_on_drop: false }`
[INFO] [stdout] 0e65857e3814b112a98723c9b61229aad3b5905f51cf5f135955c8ac5c3e9cdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dce469e9a5ae0c6661116da2e9d855d11a98983ca44ce47f28335fe862fec2ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dce469e9a5ae0c6661116da2e9d855d11a98983ca44ce47f28335fe862fec2ad", kill_on_drop: false }`
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/api/filesystem/mod.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[doc(inline)]
[INFO] [stdout]    |       ^^^^^^ only applicable on `use` items
[INFO] [stdout] 24 | mod sync_io;
[INFO] [stdout]    | ------------ not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/passthrough/mod.rs:497:38
[INFO] [stdout]     |
[INFO] [stdout] 497 |                     if data.refcount.compare_and_swap(curr, new, Ordering::AcqRel) == curr {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/passthrough/mod.rs:565:34
[INFO] [stdout]     |
[INFO] [stdout] 565 |                 if data.refcount.compare_and_swap(curr, new, Ordering::AcqRel) == curr {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling stderrlog v0.4.3
[INFO] [stderr]    Compiling fuse-backend-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/smoke.rs:70:20
[INFO] [stdout]    |
[INFO] [stdout] 70 |               panic!(format!(
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 71 | |                 "exec failed: {}: {}",
[INFO] [stdout] 72 | |                 cmd,
[INFO] [stdout] 73 | |                 std::str::from_utf8(&output.stderr).unwrap()
[INFO] [stdout] 74 | |             ));
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 70 |             panic!(
[INFO] [stdout] 71 |                 "exec failed: {}: {}",
[INFO] [stdout] 72 |                 cmd,
[INFO] [stdout] 73 |                 std::str::from_utf8(&output.stderr).unwrap()
[INFO] [stdout] 74 |             );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/api/filesystem/mod.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[doc(inline)]
[INFO] [stdout]    |       ^^^^^^ only applicable on `use` items
[INFO] [stdout] 24 | mod sync_io;
[INFO] [stdout]    | ------------ not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/passthrough/mod.rs:497:38
[INFO] [stdout]     |
[INFO] [stdout] 497 |                     if data.refcount.compare_and_swap(curr, new, Ordering::AcqRel) == curr {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/passthrough/mod.rs:565:34
[INFO] [stdout]     |
[INFO] [stdout] 565 |                 if data.refcount.compare_and_swap(curr, new, Ordering::AcqRel) == curr {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.15s
[INFO] running `Command { std: "docker" "inspect" "dce469e9a5ae0c6661116da2e9d855d11a98983ca44ce47f28335fe862fec2ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dce469e9a5ae0c6661116da2e9d855d11a98983ca44ce47f28335fe862fec2ad", kill_on_drop: false }`
[INFO] [stdout] dce469e9a5ae0c6661116da2e9d855d11a98983ca44ce47f28335fe862fec2ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d7d3d13ccbaa12c3d651b73f6d928fdf68ab29a25c53a1eb6f67c2814e36ec2b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d7d3d13ccbaa12c3d651b73f6d928fdf68ab29a25c53a1eb6f67c2814e36ec2b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: this attribute can only be applied to a `use` item
[INFO] [stdout] running 65 tests
[INFO] [stderr]   --> src/api/filesystem/mod.rs:23:7
[INFO] [stdout] test api::pseudo_fs::tests::test_pseudofs_getattr ... ok
[INFO] [stderr]    |
[INFO] [stdout] test api::filesystem::tests::test_into_fuse_entry ... ok
[INFO] [stderr] 23 | #[doc(inline)]
[INFO] [stdout] test api::filesystem::tests::test_from_fuse_header ... ok
[INFO] [stderr]    |       ^^^^^^ only applicable on `use` items
[INFO] [stdout] test api::pseudo_fs::tests::test_pseudofs_lookup ... ok
[INFO] [stderr] 24 | mod sync_io;
[INFO] [stdout] test abi::linux_abi::tests::test_byte_valued ... ok
[INFO] [stderr]    | ------------ not a `use` item
[INFO] [stdout] test api::pseudo_fs::tests::test_pseudofs_new ... ok
[INFO] [stderr]    |
[INFO] [stdout] test api::vfs::tests::test_umount_overlap ... ok
[INFO] [stderr]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout] test api::pseudo_fs::tests::test_pseudofs_readdir ... ok
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] test api::pseudo_fs::tests::test_pseudofs_readdir_plus ... ok
[INFO] [stderr]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout] test api::vfs::tests::test_umount_same ... ok
[INFO] [stderr]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] test api::vfs::tests::test_umount ... ok
[INFO] [stderr] 
[INFO] [stdout] test passthrough::multikey::test::update_main_key ... ok
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout] test passthrough::multikey::test::update_both_keys_main ... ok
[INFO] [stderr]    --> src/passthrough/mod.rs:497:38
[INFO] [stdout] test passthrough::multikey::test::update_both_keys_alt ... ok
[INFO] [stderr]     |
[INFO] [stdout] test passthrough::multikey::test::remove ... ok
[INFO] [stderr] 497 |                     if data.refcount.compare_and_swap(curr, new, Ordering::AcqRel) == curr {
[INFO] [stdout] test passthrough::multikey::test::update_value ... ok
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] test api::vfs::tests::test_inode ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::test_bytes_to_cstr ... ok
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] test api::vfs::tests::test_vfs_init ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::test_encode_io_error_kind ... ok
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout] test api::vfs::tests::test_vfs_lookup ... ok
[INFO] [stderr]    --> src/passthrough/mod.rs:565:34
[INFO] [stdout] test api::pseudo_fs::tests::test_pseudofs_mount ... ok
[INFO] [stderr]     |
[INFO] [stdout] test api::server::tests::test_extract_cstrs ... ok
[INFO] [stderr] 565 |                 if data.refcount.compare_and_swap(curr, new, Ordering::AcqRel) == curr {
[INFO] [stdout] test api::vfs::tests::test_mount_different_fs_types ... ok
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] test abi::linux_abi::tests::test_struct_size ... ok
[INFO] [stderr] 
[INFO] [stdout] test api::pseudo_fs::tests::test_pseudofs_access ... ok
[INFO] [stderr] warning: `fuse-backend-rs` (lib) generated 3 warnings
[INFO] [stdout] test transport::file_traits::tests::test_write_at_volatile ... ok
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stdout] test transport::file_traits::tests::test_write_exact_at_volatile ... ok
[INFO] [stderr]   --> tests/smoke.rs:70:20
[INFO] [stdout] test transport::file_traits::tests::test_read_at_volatile ... ok
[INFO] [stderr]    |
[INFO] [stdout] test transport::file_traits::tests::test_write_volatile ... ok
[INFO] [stderr] 70 |               panic!(format!(
[INFO] [stdout] test transport::file_traits::tests::test_write_exact_volatile ... ok
[INFO] [stderr]    |  ____________________^
[INFO] [stdout] test transport::file_traits::tests::test_read_exact_at_volatile ... ok
[INFO] [stderr] 71 | |                 "exec failed: {}: {}",
[INFO] [stdout] test transport::file_traits::tests::test_write_vectored_at_volatile ... ok
[INFO] [stderr] 72 | |                 cmd,
[INFO] [stdout] test transport::file_traits::tests::test_read_vectored_volatile ... ok
[INFO] [stderr] 73 | |                 std::str::from_utf8(&output.stderr).unwrap()
[INFO] [stdout] test transport::file_traits::tests::test_read_vectored_at_volatile ... ok
[INFO] [stderr] 74 | |             ));
[INFO] [stdout] test transport::file_traits::tests::test_read_volatile ... ok
[INFO] [stderr]    | |_____________^
[INFO] [stdout] test transport::fusedev::tests::reader_split_outofbounds ... ok
[INFO] [stderr]    |
[INFO] [stdout] test transport::fusedev::tests::reader_split_border ... ok
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] test transport::fusedev::session::tests::test_new_channel ... ok
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 70 |             panic!(
[INFO] [stderr] 71 |                 "exec failed: {}: {}",
[INFO] [stderr] 72 |                 cmd,
[INFO] [stderr] 73 |                 std::str::from_utf8(&output.stderr).unwrap()
[INFO] [stderr] 74 |             );
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `fuse-backend-rs` (test "smoke") generated 1 warning
[INFO] [stderr] warning: `fuse-backend-rs` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fuse_backend_rs-971a505876e304bf)
[INFO] [stdout] test transport::fusedev::tests::reader_test_simple_chain ... ok
[INFO] [stdout] test transport::fusedev::tests::reader_unexpected_eof ... ok
[INFO] [stdout] test transport::fusedev::tests::write_all_from_split ... ok
[INFO] [stdout] test transport::fusedev::session::tests::test_new_session ... ok
[INFO] [stdout] test transport::fusedev::tests::read_to_at ... ok
[INFO] [stdout] test transport::file_traits::tests::test_write_vectored_volatile ... ok
[INFO] [stdout] test transport::file_traits::tests::test_read_exact_volatile ... ok
[INFO] [stdout] test passthrough::multikey::test::update_alt_key ... ok
[INFO] [stdout] test passthrough::multikey::test::get ... ok
[INFO] [stdout] test transport::fusedev::tests::read_exact_to ... ok
[INFO] [stdout] test transport::fusedev::tests::read_obj ... ok
[INFO] [stdout] test transport::fusedev::tests::read_full ... ok
[INFO] [stdout] test transport::fusedev::tests::write_from_at ... ok
[INFO] [stdout] test transport::fusedev::tests::write_all_from ... ok
[INFO] [stdout] test transport::fusedev::tests::writer_split_commit_all ... ok
[INFO] [stdout] test transport::fusedev::tests::writer_test_simple_chain ... ok
[INFO] [stdout] test transport::fusedev::tests::writer_test_split_chain ... ok
[INFO] [stdout] test transport::fusedev::tests::write_from_at_split ... ok
[INFO] [stdout] test transport::fusedev::tests::write_obj ... ok
[INFO] [stdout] test transport::fusedev::tests::write_vectored ... ok
[INFO] [stdout] test transport::fusedev::tests::writer_split_commit_header ... ok
[INFO] [stdout] test transport::fusedev::tests::writer_simple_commit_header ... ok
[INFO] [stdout] test api::vfs::tests::test_invalid_inode - should panic ... ok
[INFO] [stdout] test transport::fusedev::tests::write_full ... ok
[INFO] [stdout] test transport::tests::test_io_buffers ... ok
[INFO] [stdout] test api::vfs::tests::test_allocate_fs_idx ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 65 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/smoke.rs (/opt/rustwide/target/debug/deps/smoke-ab7aa8147340dfa3)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fuse-backend-rs
[INFO] [stdout] running 2 tests
[INFO] [stdout] test fusedev_tests::integration_test_tree_gitrepo ... ignored
[INFO] [stdout] test fusedev_tests::integration_test_init ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 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" "d7d3d13ccbaa12c3d651b73f6d928fdf68ab29a25c53a1eb6f67c2814e36ec2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d3d13ccbaa12c3d651b73f6d928fdf68ab29a25c53a1eb6f67c2814e36ec2b", kill_on_drop: false }`
[INFO] [stdout] d7d3d13ccbaa12c3d651b73f6d928fdf68ab29a25c53a1eb6f67c2814e36ec2b
