[INFO] fetching crate virtiofsd 1.13.2...
[INFO] checking virtiofsd-1.13.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate virtiofsd 1.13.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate virtiofsd 1.13.2
[INFO] finished tweaking crates.io crate virtiofsd 1.13.2
[INFO] tweaked toml for crates.io crate virtiofsd 1.13.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate virtiofsd 1.13.2 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate virtiofsd 1.13.2 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9385a73ff55afe120feeb4123f3a115f716745adebc5fe489947ea8b96dd61a
[INFO] running `Command { std: "docker" "start" "-a" "b9385a73ff55afe120feeb4123f3a115f716745adebc5fe489947ea8b96dd61a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9385a73ff55afe120feeb4123f3a115f716745adebc5fe489947ea8b96dd61a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9385a73ff55afe120feeb4123f3a115f716745adebc5fe489947ea8b96dd61a", kill_on_drop: false }`
[INFO] [stdout] b9385a73ff55afe120feeb4123f3a115f716745adebc5fe489947ea8b96dd61a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 282f7786d3782ff7373f20a7e6e522d23da9eb6c2b8d4a895f05c19ccad82b9a
[INFO] running `Command { std: "docker" "start" "-a" "282f7786d3782ff7373f20a7e6e522d23da9eb6c2b8d4a895f05c19ccad82b9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling thiserror v1.0.41
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling rustix v0.38.7
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling serde v1.0.168
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking arc-swap v1.5.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking cc-traits v2.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking virtio-bindings v0.2.4
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]    Compiling capng v0.2.2
[INFO] [stderr]    Compiling libseccomp-sys v0.2.1
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking btree-slab v0.6.1
[INFO] [stderr]     Checking cobs v0.2.3
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking range-traits v0.3.2
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking vmm-sys-util v0.12.1
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking time v0.3.11
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking clap_builder v4.3.11
[INFO] [stderr]     Checking btree-range-map v0.7.2
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking syslog v6.1.1
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.41
[INFO] [stderr]    Compiling serde_derive v1.0.168
[INFO] [stderr]    Compiling uuid-macro-internal v1.11.0
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]     Checking vm-memory v0.16.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking virtio-queue v0.14.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking clap v4.3.11
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking uuid v1.11.0
[INFO] [stderr]     Checking vhost v0.13.0
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking vhost-user-backend v0.17.0
[INFO] [stderr]     Checking postcard v1.0.6
[INFO] [stderr]     Checking virtiofsd v1.13.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/filesystem.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn next(&mut self) -> Option<DirEntry>;
[INFO] [stdout]     |             ^^^^^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn next(&mut self) -> Option<DirEntry<'_>>;
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i32, Infallible>
[INFO] [stdout]    --> src/oslib.rs:294:30
[INFO] [stdout]     |
[INFO] [stdout] 294 |                 handle_type: sfh.handle_type().try_into().map_err(|err| {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i32, Infallible>
[INFO] [stdout]    --> src/passthrough/file_handle.rs:218:26
[INFO] [stdout]     |
[INFO] [stdout] 218 |             handle_type: fh.handle.handle_type().try_into().unwrap(),
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/read_dir.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn next(&mut self) -> Option<DirEntry> {
[INFO] [stdout]    |             ^^^^^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn next(&mut self) -> Option<DirEntry<'_>> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `virtiofsd` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/filesystem.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn next(&mut self) -> Option<DirEntry>;
[INFO] [stdout]     |             ^^^^^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn next(&mut self) -> Option<DirEntry<'_>>;
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i32, Infallible>
[INFO] [stdout]    --> src/oslib.rs:294:30
[INFO] [stdout]     |
[INFO] [stdout] 294 |                 handle_type: sfh.handle_type().try_into().map_err(|err| {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i32, Infallible>
[INFO] [stdout]    --> src/passthrough/file_handle.rs:218:26
[INFO] [stdout]     |
[INFO] [stdout] 218 |             handle_type: fh.handle.handle_type().try_into().unwrap(),
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/read_dir.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn next(&mut self) -> Option<DirEntry> {
[INFO] [stdout]    |             ^^^^^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn next(&mut self) -> Option<DirEntry<'_>> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `virtiofsd` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "282f7786d3782ff7373f20a7e6e522d23da9eb6c2b8d4a895f05c19ccad82b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "282f7786d3782ff7373f20a7e6e522d23da9eb6c2b8d4a895f05c19ccad82b9a", kill_on_drop: false }`
[INFO] [stdout] 282f7786d3782ff7373f20a7e6e522d23da9eb6c2b8d4a895f05c19ccad82b9a
