[INFO] fetching crate torsh-python 0.1.0-alpha.1...
[INFO] checking torsh-python-0.1.0-alpha.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate torsh-python 0.1.0-alpha.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate torsh-python 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate torsh-python 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate torsh-python 0.1.0-alpha.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate torsh-python 0.1.0-alpha.1 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 torsh-python 0.1.0-alpha.1 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-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] 5a0c84cd9561964f8611df43f0bd9118669a6af5d681f1cf7b0dc8dd8c095e96
[INFO] running `Command { std: "docker" "start" "-a" "5a0c84cd9561964f8611df43f0bd9118669a6af5d681f1cf7b0dc8dd8c095e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a0c84cd9561964f8611df43f0bd9118669a6af5d681f1cf7b0dc8dd8c095e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a0c84cd9561964f8611df43f0bd9118669a6af5d681f1cf7b0dc8dd8c095e96", kill_on_drop: false }`
[INFO] [stdout] 5a0c84cd9561964f8611df43f0bd9118669a6af5d681f1cf7b0dc8dd8c095e96
[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] 7d70a492285f2c4f621568982bfb8779512662183fd1bd83f1e8f2d4ccfc648f
[INFO] running `Command { std: "docker" "start" "-a" "7d70a492285f2c4f621568982bfb8779512662183fd1bd83f1e8f2d4ccfc648f", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `device::PyDevice` and `dtype::PyDType`
[INFO] [stdout]  --> src/utils/conversion.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{device::PyDevice, dtype::PyDType, error::PyResult};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-W unused-imports`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PyArray1`, `PyArray2`, `PyArrayDyn`, and `PyArrayMethods`
[INFO] [stdout]  --> src/utils/conversion.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use numpy::{PyArray1, PyArray2, PyArrayDyn, PyArrayMethods, PyUntypedArrayMethods};
[INFO] [stdout]   |             ^^^^^^^^  ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `device::PyDevice` and `dtype::PyDType`
[INFO] [stdout]  --> src/utils/conversion.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{device::PyDevice, dtype::PyDType, error::PyResult};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-W unused-imports`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PyArray1`, `PyArray2`, `PyArrayDyn`, and `PyArrayMethods`
[INFO] [stdout]  --> src/utils/conversion.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use numpy::{PyArray1, PyArray2, PyArrayDyn, PyArrayMethods, PyUntypedArrayMethods};
[INFO] [stdout]   |             ^^^^^^^^  ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PyUntypedArrayMethods`
[INFO] [stdout]  --> src/utils/conversion.rs:4:61
[INFO] [stdout]   |
[INFO] [stdout] 4 | use numpy::{PyArray1, PyArray2, PyArrayDyn, PyArrayMethods, PyUntypedArrayMethods};
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PyUntypedArrayMethods`
[INFO] [stdout]  --> src/utils/conversion.rs:4:61
[INFO] [stdout]   |
[INFO] [stdout] 4 | use numpy::{PyArray1, PyArray2, PyArrayDyn, PyArrayMethods, PyUntypedArrayMethods};
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/device.rs:156:26
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn device_count() -> u32 {
[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<bool, Infallible>
[INFO] [stdout]    --> src/device.rs:162:26
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn is_available() -> bool {
[INFO] [stdout]     |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/device.rs:167:31
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn cuda_is_available() -> bool {
[INFO] [stdout]     |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/device.rs:173:30
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn mps_is_available() -> bool {
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/device.rs:179:53
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn get_device_name(device: Option<PyDevice>) -> String {
[INFO] [stdout]     |                                                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/device.rs:156:26
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn device_count() -> u32 {
[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<bool, Infallible>
[INFO] [stdout]    --> src/device.rs:162:26
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn is_available() -> bool {
[INFO] [stdout]     |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/device.rs:167:31
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn cuda_is_available() -> bool {
[INFO] [stdout]     |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/device.rs:173:30
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn mps_is_available() -> bool {
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/device.rs:179:53
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn get_device_name(device: Option<PyDevice>) -> String {
[INFO] [stdout]     |                                                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `torsh-python` (lib) due to 5 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `torsh-python` (lib test) due to 5 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7d70a492285f2c4f621568982bfb8779512662183fd1bd83f1e8f2d4ccfc648f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d70a492285f2c4f621568982bfb8779512662183fd1bd83f1e8f2d4ccfc648f", kill_on_drop: false }`
[INFO] [stdout] 7d70a492285f2c4f621568982bfb8779512662183fd1bd83f1e8f2d4ccfc648f
