[INFO] fetching crate ipmb 0.8.3...
[INFO] testing ipmb-0.8.3 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate ipmb 0.8.3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate ipmb 0.8.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ipmb 0.8.3
[INFO] tweaked toml for crates.io crate ipmb 0.8.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ipmb 0.8.3 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ipmb 0.8.3 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc2d313ddaad4add4d9fa65b72747eb1338c4178808d7e6bf76b8417c470cb60
[INFO] running `Command { std: "docker" "start" "-a" "fc2d313ddaad4add4d9fa65b72747eb1338c4178808d7e6bf76b8417c470cb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc2d313ddaad4add4d9fa65b72747eb1338c4178808d7e6bf76b8417c470cb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc2d313ddaad4add4d9fa65b72747eb1338c4178808d7e6bf76b8417c470cb60", kill_on_drop: false }`
[INFO] [stdout] fc2d313ddaad4add4d9fa65b72747eb1338c4178808d7e6bf76b8417c470cb60
[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" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4405fefa04b91c2ccdd9ef494b6ad27d37f8e096e69a84d8d8427275aeacb2e
[INFO] running `Command { std: "docker" "start" "-a" "a4405fefa04b91c2ccdd9ef494b6ad27d37f8e096e69a84d8d8427275aeacb2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling type-uuid-derive v0.1.2
[INFO] [stderr]    Compiling ipmb-derive v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling uuid-macro-internal v1.17.0
[INFO] [stderr]    Compiling type-uuid v0.1.2
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling serde_bytes v0.11.17
[INFO] [stderr]    Compiling smol_str v0.3.2
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling ipmb v0.8.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `iov` is never read
[INFO] [stdout]   --> src/platform/linux/encoded_message.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |             iov.iov_base = iov_data.as_mut_ptr() as _;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iov` is never read
[INFO] [stdout]   --> src/platform/linux/encoded_message.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             iov.iov_len = iov_data.len();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iov` is never read
[INFO] [stdout]    --> src/platform/linux/encoded_message.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         iov.iov_base = self.iov_data.as_mut_ptr() as _;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iov` is never read
[INFO] [stdout]    --> src/platform/linux/encoded_message.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         iov.iov_len = self.iov_data.len();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/platform/linux/fd.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn lock(&self) -> MutexGuard<Fd> {
[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] 43 |     pub fn lock(&self) -> MutexGuard<'_, Fd> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.06s
[INFO] running `Command { std: "docker" "inspect" "a4405fefa04b91c2ccdd9ef494b6ad27d37f8e096e69a84d8d8427275aeacb2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4405fefa04b91c2ccdd9ef494b6ad27d37f8e096e69a84d8d8427275aeacb2e", kill_on_drop: false }`
[INFO] [stdout] a4405fefa04b91c2ccdd9ef494b6ad27d37f8e096e69a84d8d8427275aeacb2e
[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" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e6eea132cb2c7e4f71f95bed75eaa4ce57142b38185f74796aa91d3ac5fe9d6
[INFO] running `Command { std: "docker" "start" "-a" "5e6eea132cb2c7e4f71f95bed75eaa4ce57142b38185f74796aa91d3ac5fe9d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling bytesize v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling ipmb v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stdout] warning: value assigned to `iov` is never read
[INFO] [stdout]   --> src/platform/linux/encoded_message.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |             iov.iov_base = iov_data.as_mut_ptr() as _;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iov` is never read
[INFO] [stdout]   --> src/platform/linux/encoded_message.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             iov.iov_len = iov_data.len();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iov` is never read
[INFO] [stdout]    --> src/platform/linux/encoded_message.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         iov.iov_base = self.iov_data.as_mut_ptr() as _;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iov` is never read
[INFO] [stdout]    --> src/platform/linux/encoded_message.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         iov.iov_len = self.iov_data.len();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/platform/linux/fd.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn lock(&self) -> MutexGuard<Fd> {
[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] 43 |     pub fn lock(&self) -> MutexGuard<'_, Fd> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling env_filter v0.1.2
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stdout] warning: unused import: `crate::label`
[INFO] [stdout]    --> src/label.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     use crate::label;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/task_info.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut message = ipmb::Message::new(selector, ());
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> examples/task_info.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let message = rx.recv(None).unwrap();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iov` is never read
[INFO] [stdout]   --> src/platform/linux/encoded_message.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |             iov.iov_base = iov_data.as_mut_ptr() as _;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iov` is never read
[INFO] [stdout]   --> src/platform/linux/encoded_message.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             iov.iov_len = iov_data.len();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iov` is never read
[INFO] [stdout]    --> src/platform/linux/encoded_message.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         iov.iov_base = self.iov_data.as_mut_ptr() as _;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iov` is never read
[INFO] [stdout]    --> src/platform/linux/encoded_message.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         iov.iov_len = self.iov_data.len();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/platform/linux/fd.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn lock(&self) -> MutexGuard<Fd> {
[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] 43 |     pub fn lock(&self) -> MutexGuard<'_, Fd> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.34s
[INFO] running `Command { std: "docker" "inspect" "5e6eea132cb2c7e4f71f95bed75eaa4ce57142b38185f74796aa91d3ac5fe9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e6eea132cb2c7e4f71f95bed75eaa4ce57142b38185f74796aa91d3ac5fe9d6", kill_on_drop: false }`
[INFO] [stdout] 5e6eea132cb2c7e4f71f95bed75eaa4ce57142b38185f74796aa91d3ac5fe9d6
[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" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16b4d7ddf2f7b1679e94d36883047b05384178af9081922027e5bc19fbea4084
[INFO] running `Command { std: "docker" "start" "-a" "16b4d7ddf2f7b1679e94d36883047b05384178af9081922027e5bc19fbea4084", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `iov` is never read
[INFO] [stderr]   --> src/platform/linux/encoded_message.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |             iov.iov_base = iov_data.as_mut_ptr() as _;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `iov` is never read
[INFO] [stderr]   --> src/platform/linux/encoded_message.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             iov.iov_len = iov_data.len();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `iov` is never read
[INFO] [stderr]    --> src/platform/linux/encoded_message.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 168 |         iov.iov_base = self.iov_data.as_mut_ptr() as _;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `iov` is never read
[INFO] [stderr]    --> src/platform/linux/encoded_message.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         iov.iov_len = self.iov_data.len();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/platform/linux/fd.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn lock(&self) -> MutexGuard<Fd> {
[INFO] [stderr]    |                 ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn lock(&self) -> MutexGuard<'_, Fd> {
[INFO] [stderr]    |                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::label`
[INFO] [stderr]    --> src/label.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |     use crate::label;
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ipmb` (lib) generated 5 warnings (run `cargo fix --lib -p ipmb` to apply 1 suggestion)
[INFO] [stderr] warning: `ipmb` (lib test) generated 6 warnings (5 duplicates) (run `cargo fix --lib -p ipmb --tests` to apply 1 suggestion)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/task_info.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut message = ipmb::Message::new(selector, ());
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]   --> examples/task_info.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let message = rx.recv(None).unwrap();
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ipmb` (example "task_info") generated 2 warnings (run `cargo fix --example "task_info" -p ipmb` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ipmb-26c3627c7baaf240)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test label::test::empty_label ... ok
[INFO] [stdout] test label::test::op_leaf ... ok
[INFO] [stdout] test label::test::op_and ... ok
[INFO] [stdout] test label::test::op_not ... ok
[INFO] [stdout] test label::test::op_or ... ok
[INFO] [stderr]    Doc-tests ipmb
[INFO] [stdout] test label::test::op_false ... ok
[INFO] [stdout] test label::test::op_true ... ok
[INFO] [stdout] test label::test::test_label ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/label.rs - label::LabelOp (line 66) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "16b4d7ddf2f7b1679e94d36883047b05384178af9081922027e5bc19fbea4084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b4d7ddf2f7b1679e94d36883047b05384178af9081922027e5bc19fbea4084", kill_on_drop: false }`
[INFO] [stdout] 16b4d7ddf2f7b1679e94d36883047b05384178af9081922027e5bc19fbea4084
