[INFO] cloning repository https://github.com/rhelmot/aiotarfile
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rhelmot/aiotarfile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frhelmot%2Faiotarfile", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frhelmot%2Faiotarfile'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 684629fe4b6fc002d49c892c72b1c7893f5f6964
[INFO] checking rhelmot/aiotarfile against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frhelmot%2Faiotarfile" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rhelmot/aiotarfile
[INFO] finished tweaking git repo https://github.com/rhelmot/aiotarfile
[INFO] tweaked toml for git repo https://github.com/rhelmot/aiotarfile written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rhelmot/aiotarfile 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 git repo https://github.com/rhelmot/aiotarfile 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] [stderr] warning: unused manifest key: package.released_version
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9c56dcefd9460c2464081fda4507d21aaab622abe8007e8a99e0f11aea29ce6c
[INFO] running `Command { std: "docker" "start" "-a" "9c56dcefd9460c2464081fda4507d21aaab622abe8007e8a99e0f11aea29ce6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c56dcefd9460c2464081fda4507d21aaab622abe8007e8a99e0f11aea29ce6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c56dcefd9460c2464081fda4507d21aaab622abe8007e8a99e0f11aea29ce6c", kill_on_drop: false }`
[INFO] [stdout] 9c56dcefd9460c2464081fda4507d21aaab622abe8007e8a99e0f11aea29ce6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5e2ea8689a79a7bf52afaec9afe68040d8110337f8c1c64175a402a08bf36fd3
[INFO] running `Command { std: "docker" "start" "-a" "5e2ea8689a79a7bf52afaec9afe68040d8110337f8c1c64175a402a08bf36fd3", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.released_version
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling target-lexicon v0.12.13
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling rustix v0.38.30
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]     Checking value-bag v1.6.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]     Checking smallvec v1.13.0
[INFO] [stderr]     Checking futures-lite v2.2.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling pyo3-build-config v0.20.2
[INFO] [stderr]     Checking replace_with v0.1.7
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking async-channel v2.1.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking async-executor v1.8.0
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking xattr v0.2.3
[INFO] [stderr]     Checking rustix v0.37.27
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling pyo3-ffi v0.20.2
[INFO] [stderr]    Compiling pyo3 v0.20.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]     Checking xz2 v0.1.7
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking async-compression v0.4.6
[INFO] [stderr]     Checking polling v3.3.2
[INFO] [stderr]     Checking async-io v2.3.0
[INFO] [stderr]     Checking async-signal v0.2.5
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-process v1.8.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.20.2
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking async-tar v0.5.1
[INFO] [stderr]    Compiling pyo3-macros v0.20.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking pyo3-asyncio v0.20.0
[INFO] [stderr]     Checking aiotarfile v0.5.3-dev.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::AioTarfileError`
[INFO] [stdout]  --> src/pyreader.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::AioTarfileError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::AioTarfileError`
[INFO] [stdout]  --> src/pyreader.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::AioTarfileError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEFAULT_BUF_SIZE` is never used
[INFO] [stdout]   --> src/peek_buf_reader.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const DEFAULT_BUF_SIZE: usize = 4096;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `with_capacity` are never used
[INFO] [stdout]   --> src/peek_buf_reader.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl<R: io::Read> BufReader<R> {
[INFO] [stdout]    | ------------------------------ associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn new(inner: R) -> BufReader<R> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     pub fn with_capacity(capacity: usize, inner: R) -> BufReader<R> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_ref`, `get_mut`, `buffer`, and `into_inner` are never used
[INFO] [stdout]    --> src/peek_buf_reader.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 117 | impl<R> BufReader<R> {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn get_ref(&self) -> &R {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub fn get_mut(&mut self) -> &mut R {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 184 |     pub fn buffer(&self) -> &[u8] {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 205 |     pub fn into_inner(self) -> R {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Py<TarfileRd>, Infallible>
[INFO] [stdout]   --> src/rd.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn __aiter__(this: Py<Self>) -> PyResult<Py<Self>> {
[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<pyo3::Py<TarfileRd>, Infallible>
[INFO] [stdout]    --> src/rd.rs:100:29
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn __aenter__<'p>(this: Py<Self>, py: Python<'p>) -> PyResult<&'p PyAny> {
[INFO] [stdout]     |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Py<TarfileWr>, Infallible>
[INFO] [stdout]    --> src/wr.rs:166:29
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn __aenter__<'p>(this: Py<Self>, py: Python<'p>) -> PyResult<&'p PyAny> {
[INFO] [stdout]     |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aiotarfile` (lib test) due to 3 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: constant `DEFAULT_BUF_SIZE` is never used
[INFO] [stdout]   --> src/peek_buf_reader.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const DEFAULT_BUF_SIZE: usize = 4096;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `with_capacity` are never used
[INFO] [stdout]   --> src/peek_buf_reader.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl<R: io::Read> BufReader<R> {
[INFO] [stdout]    | ------------------------------ associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn new(inner: R) -> BufReader<R> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     pub fn with_capacity(capacity: usize, inner: R) -> BufReader<R> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_ref`, `get_mut`, `buffer`, and `into_inner` are never used
[INFO] [stdout]    --> src/peek_buf_reader.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 117 | impl<R> BufReader<R> {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn get_ref(&self) -> &R {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub fn get_mut(&mut self) -> &mut R {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 184 |     pub fn buffer(&self) -> &[u8] {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 205 |     pub fn into_inner(self) -> R {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Py<TarfileRd>, Infallible>
[INFO] [stdout]   --> src/rd.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn __aiter__(this: Py<Self>) -> PyResult<Py<Self>> {
[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<pyo3::Py<TarfileRd>, Infallible>
[INFO] [stdout]    --> src/rd.rs:100:29
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn __aenter__<'p>(this: Py<Self>, py: Python<'p>) -> PyResult<&'p PyAny> {
[INFO] [stdout]     |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Py<TarfileWr>, Infallible>
[INFO] [stdout]    --> src/wr.rs:166:29
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn __aenter__<'p>(this: Py<Self>, py: Python<'p>) -> PyResult<&'p PyAny> {
[INFO] [stdout]     |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aiotarfile` (lib) due to 3 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5e2ea8689a79a7bf52afaec9afe68040d8110337f8c1c64175a402a08bf36fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e2ea8689a79a7bf52afaec9afe68040d8110337f8c1c64175a402a08bf36fd3", kill_on_drop: false }`
[INFO] [stdout] 5e2ea8689a79a7bf52afaec9afe68040d8110337f8c1c64175a402a08bf36fd3
