[INFO] fetching crate ubus 0.1.7...
[INFO] checking ubus-0.1.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate ubus 0.1.7 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate ubus 0.1.7
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ubus 0.1.7
[INFO] tweaked toml for crates.io crate ubus 0.1.7 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ubus 0.1.7 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 ubus 0.1.7 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] aad61cb7eacc3095f623bc5a84b7a6509234d67e8bf9eba71ba176a51650b03f
[INFO] running `Command { std: "docker" "start" "-a" "aad61cb7eacc3095f623bc5a84b7a6509234d67e8bf9eba71ba176a51650b03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aad61cb7eacc3095f623bc5a84b7a6509234d67e8bf9eba71ba176a51650b03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aad61cb7eacc3095f623bc5a84b7a6509234d67e8bf9eba71ba176a51650b03f", kill_on_drop: false }`
[INFO] [stdout] aad61cb7eacc3095f623bc5a84b7a6509234d67e8bf9eba71ba176a51650b03f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1259b633953cda7089c6db8d97e1ca8c8675cdc3b0f1ae7acb305c1dfae9020b
[INFO] running `Command { std: "docker" "start" "-a" "1259b633953cda7089c6db8d97e1ca8c8675cdc3b0f1ae7acb305c1dfae9020b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]     Checking storage_endian v0.1.0
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking ubus v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `no_std`
[INFO] [stdout]  --> src/lib.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(not(no_std))]
[INFO] [stdout]   |           ^^^^^^ help: found config with similar value: `feature = "no_std"`
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(no_std)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_std)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `no_std`
[INFO] [stdout]  --> src/lib.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(not(no_std))]
[INFO] [stdout]   |           ^^^^^^ help: found config with similar value: `feature = "no_std"`
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(no_std)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_std)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |                       $( Self::$variant => true, )*
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          no value can reach this
[INFO] [stdout]    |                          matches all the relevant values
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/blobmsg.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | / values!(pub BlobMsgType(u32) {
[INFO] [stdout]  8 | |     UNSPEC = 0,
[INFO] [stdout]  9 | |     ARRAY  = 1,
[INFO] [stdout] 10 | |     TABLE  = 2,
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     DOUBLE = 8,
[INFO] [stdout] 18 | | });
[INFO] [stdout]    | |__- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `values` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |                       $( Self::$variant => write!(f, stringify!($variant)), )*
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          no value can reach this
[INFO] [stdout]    |                          matches all the relevant values
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/blobmsg.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | / values!(pub BlobMsgType(u32) {
[INFO] [stdout]  8 | |     UNSPEC = 0,
[INFO] [stdout]  9 | |     ARRAY  = 1,
[INFO] [stdout] 10 | |     TABLE  = 2,
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     DOUBLE = 8,
[INFO] [stdout] 18 | | });
[INFO] [stdout]    | |__- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `values` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/connection.rs:72:25
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn next_message(&mut self) -> Result<UbusMsg, UbusError> {
[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] 72 |     pub fn next_message(&mut self) -> Result<UbusMsg<'_>, UbusError> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/ubusmsg.rs:202:51
[INFO] [stdout]     |
[INFO] [stdout] 202 |             BlobAttrId::DATA => UbusMsgAttr::Data(payload.try_into().unwrap()),
[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: Result<blob::BlobIter<'_, blob::Blob<'_>>, Infallible>
[INFO] [stdout]    --> src/ubusmsg.rs:206:65
[INFO] [stdout]     |
[INFO] [stdout] 206 |             BlobAttrId::SUBSCRIBERS => UbusMsgAttr::Subscribers(payload.try_into().unwrap()),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |                       $( Self::$variant => true, )*
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          no value can reach this
[INFO] [stdout]    |                          matches all the relevant values
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/blobmsg.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | / values!(pub BlobMsgType(u32) {
[INFO] [stdout]  8 | |     UNSPEC = 0,
[INFO] [stdout]  9 | |     ARRAY  = 1,
[INFO] [stdout] 10 | |     TABLE  = 2,
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     DOUBLE = 8,
[INFO] [stdout] 18 | | });
[INFO] [stdout]    | |__- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `values` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ubus` (lib) due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |                       $( Self::$variant => write!(f, stringify!($variant)), )*
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          no value can reach this
[INFO] [stdout]    |                          matches all the relevant values
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/blobmsg.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | / values!(pub BlobMsgType(u32) {
[INFO] [stdout]  8 | |     UNSPEC = 0,
[INFO] [stdout]  9 | |     ARRAY  = 1,
[INFO] [stdout] 10 | |     TABLE  = 2,
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     DOUBLE = 8,
[INFO] [stdout] 18 | | });
[INFO] [stdout]    | |__- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `values` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[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/connection.rs:72:25
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn next_message(&mut self) -> Result<UbusMsg, UbusError> {
[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] 72 |     pub fn next_message(&mut self) -> Result<UbusMsg<'_>, UbusError> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/ubusmsg.rs:202:51
[INFO] [stdout]     |
[INFO] [stdout] 202 |             BlobAttrId::DATA => UbusMsgAttr::Data(payload.try_into().unwrap()),
[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: Result<blob::BlobIter<'_, blob::Blob<'_>>, Infallible>
[INFO] [stdout]    --> src/ubusmsg.rs:206:65
[INFO] [stdout]     |
[INFO] [stdout] 206 |             BlobAttrId::SUBSCRIBERS => UbusMsgAttr::Subscribers(payload.try_into().unwrap()),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ubus` (lib test) due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1259b633953cda7089c6db8d97e1ca8c8675cdc3b0f1ae7acb305c1dfae9020b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1259b633953cda7089c6db8d97e1ca8c8675cdc3b0f1ae7acb305c1dfae9020b", kill_on_drop: false }`
[INFO] [stdout] 1259b633953cda7089c6db8d97e1ca8c8675cdc3b0f1ae7acb305c1dfae9020b
