[INFO] fetching crate rustpython-stdlib 0.4.0...
[INFO] checking rustpython-stdlib-0.4.0 against try#2b39fe756f52bc2825bf5b2bfc385cab922dae10 for pr-143011
[INFO] extracting crate rustpython-stdlib 0.4.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rustpython-stdlib 0.4.0
[INFO] finished tweaking crates.io crate rustpython-stdlib 0.4.0
[INFO] tweaked toml for crates.io crate rustpython-stdlib 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustpython-stdlib 0.4.0 on toolchain 2b39fe756f52bc2825bf5b2bfc385cab922dae10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 287 packages to latest compatible versions
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd1cf2d4879d28a8b92cd0b067f4135718d72637c3c2040f6466e1b9bb585bbb
[INFO] running `Command { std: "docker" "start" "-a" "dd1cf2d4879d28a8b92cd0b067f4135718d72637c3c2040f6466e1b9bb585bbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd1cf2d4879d28a8b92cd0b067f4135718d72637c3c2040f6466e1b9bb585bbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd1cf2d4879d28a8b92cd0b067f4135718d72637c3c2040f6466e1b9bb585bbb", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "1ff972be5a24f9969fd089d086d9d0e37d8cf5878eeaca89ea0c3893cdad9013", kill_on_drop: false }`
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[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/mmap.rs:487:25
[INFO] [stdout]     |
[INFO] [stdout] 487 |         fn as_bytes_mut(&self) -> BorrowedValueMut<[u8]> {
[INFO] [stdout]     |                         ^^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 487 |         fn as_bytes_mut(&self) -> BorrowedValueMut<'_, [u8]> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/mmap.rs:497:21
[INFO] [stdout]     |
[INFO] [stdout] 497 |         fn as_bytes(&self) -> BorrowedValue<[u8]> {
[INFO] [stdout]     |                     ^^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 497 |         fn as_bytes(&self) -> BorrowedValue<'_, [u8]> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/mmap.rs:540:24
[INFO] [stdout]     |
[INFO] [stdout] 540 |         fn check_valid(&self, vm: &VirtualMachine) -> PyResult<PyMutexGuard<Option<MmapObj>>> {
[INFO] [stdout]     |                        ^^^^^ this lifetime flows to the output ----------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 540 |         fn check_valid(&self, vm: &VirtualMachine) -> PyResult<PyMutexGuard<'_, Option<MmapObj>>> {
[INFO] [stdout]     |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/sqlite.rs:871:20
[INFO] [stdout]     |
[INFO] [stdout] 871 |         fn db_lock(&self, vm: &VirtualMachine) -> PyResult<PyMappedMutexGuard<Sqlite>> {
[INFO] [stdout]     |                    ^^^^^ this lifetime flows to the output -------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 871 |         fn db_lock(&self, vm: &VirtualMachine) -> PyResult<PyMappedMutexGuard<'_, Sqlite>> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/sqlite.rs:876:21
[INFO] [stdout]     |
[INFO] [stdout] 876 |         fn _db_lock(&self, vm: &VirtualMachine) -> PyResult<PyMappedMutexGuard<Sqlite>> {
[INFO] [stdout]     |                     ^^^^^ this lifetime flows to the output -------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 876 |         fn _db_lock(&self, vm: &VirtualMachine) -> PyResult<PyMappedMutexGuard<'_, Sqlite>> {
[INFO] [stdout]     |                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/sqlite.rs:1443:18
[INFO] [stdout]      |
[INFO] [stdout] 1443 |         fn inner(&self, vm: &VirtualMachine) -> PyResult<PyMappedMutexGuard<CursorInner>> {
[INFO] [stdout]      |                  ^^^^^ this lifetime flows to the output ------------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 1443 |         fn inner(&self, vm: &VirtualMachine) -> PyResult<PyMappedMutexGuard<'_, CursorInner>> {
[INFO] [stdout]      |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/sqlite.rs:2109:18
[INFO] [stdout]      |
[INFO] [stdout] 2109 |         fn inner(&self, vm: &VirtualMachine) -> PyResult<PyMappedMutexGuard<BlobInner>> {
[INFO] [stdout]      |                  ^^^^^ this lifetime flows to the output ----------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 2109 |         fn inner(&self, vm: &VirtualMachine) -> PyResult<PyMappedMutexGuard<'_, BlobInner>> {
[INFO] [stdout]      |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/sqlite.rs:2320:17
[INFO] [stdout]      |
[INFO] [stdout] 2320 |         fn lock(&self) -> PyMutexGuard<SqliteStatement> {
[INFO] [stdout]      |                 ^^^^^     ----------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 this lifetime flows to the output
[INFO] [stdout]      |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 2320 |         fn lock(&self) -> PyMutexGuard<'_, SqliteStatement> {
[INFO] [stdout]      |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/mmap.rs:487:25
[INFO] [stdout]     |
[INFO] [stdout] 487 |         fn as_bytes_mut(&self) -> BorrowedValueMut<[u8]> {
[INFO] [stdout]     |                         ^^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 487 |         fn as_bytes_mut(&self) -> BorrowedValueMut<'_, [u8]> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/mmap.rs:497:21
[INFO] [stdout]     |
[INFO] [stdout] 497 |         fn as_bytes(&self) -> BorrowedValue<[u8]> {
[INFO] [stdout]     |                     ^^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 497 |         fn as_bytes(&self) -> BorrowedValue<'_, [u8]> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/mmap.rs:540:24
[INFO] [stdout]     |
[INFO] [stdout] 540 |         fn check_valid(&self, vm: &VirtualMachine) -> PyResult<PyMutexGuard<Option<MmapObj>>> {
[INFO] [stdout]     |                        ^^^^^ this lifetime flows to the output ----------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 540 |         fn check_valid(&self, vm: &VirtualMachine) -> PyResult<PyMutexGuard<'_, Option<MmapObj>>> {
[INFO] [stdout]     |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/sqlite.rs:871:20
[INFO] [stdout]     |
[INFO] [stdout] 871 |         fn db_lock(&self, vm: &VirtualMachine) -> PyResult<PyMappedMutexGuard<Sqlite>> {
[INFO] [stdout]     |                    ^^^^^ this lifetime flows to the output -------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 871 |         fn db_lock(&self, vm: &VirtualMachine) -> PyResult<PyMappedMutexGuard<'_, Sqlite>> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/sqlite.rs:876:21
[INFO] [stdout]     |
[INFO] [stdout] 876 |         fn _db_lock(&self, vm: &VirtualMachine) -> PyResult<PyMappedMutexGuard<Sqlite>> {
[INFO] [stdout]     |                     ^^^^^ this lifetime flows to the output -------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 876 |         fn _db_lock(&self, vm: &VirtualMachine) -> PyResult<PyMappedMutexGuard<'_, Sqlite>> {
[INFO] [stdout]     |                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/sqlite.rs:1443:18
[INFO] [stdout]      |
[INFO] [stdout] 1443 |         fn inner(&self, vm: &VirtualMachine) -> PyResult<PyMappedMutexGuard<CursorInner>> {
[INFO] [stdout]      |                  ^^^^^ this lifetime flows to the output ------------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 1443 |         fn inner(&self, vm: &VirtualMachine) -> PyResult<PyMappedMutexGuard<'_, CursorInner>> {
[INFO] [stdout]      |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/sqlite.rs:2109:18
[INFO] [stdout]      |
[INFO] [stdout] 2109 |         fn inner(&self, vm: &VirtualMachine) -> PyResult<PyMappedMutexGuard<BlobInner>> {
[INFO] [stdout]      |                  ^^^^^ this lifetime flows to the output ----------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 2109 |         fn inner(&self, vm: &VirtualMachine) -> PyResult<PyMappedMutexGuard<'_, BlobInner>> {
[INFO] [stdout]      |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/sqlite.rs:2320:17
[INFO] [stdout]      |
[INFO] [stdout] 2320 |         fn lock(&self) -> PyMutexGuard<SqliteStatement> {
[INFO] [stdout]      |                 ^^^^^     ----------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 this lifetime flows to the output
[INFO] [stdout]      |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 2320 |         fn lock(&self) -> PyMutexGuard<'_, SqliteStatement> {
[INFO] [stdout]      |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "1ff972be5a24f9969fd089d086d9d0e37d8cf5878eeaca89ea0c3893cdad9013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff972be5a24f9969fd089d086d9d0e37d8cf5878eeaca89ea0c3893cdad9013", kill_on_drop: false }`
[INFO] [stdout] 1ff972be5a24f9969fd089d086d9d0e37d8cf5878eeaca89ea0c3893cdad9013
