[INFO] fetching crate lightmotif-py 0.10.0...
[INFO] checking lightmotif-py-0.10.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate lightmotif-py 0.10.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate lightmotif-py 0.10.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate lightmotif-py 0.10.0
[INFO] tweaked toml for crates.io crate lightmotif-py 0.10.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lightmotif-py 0.10.0 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 lightmotif-py 0.10.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8636603d72cc59ffac9c47dbb555f70e7b2e3386e4d3fab93383a60c79f349a1
[INFO] running `Command { std: "docker" "start" "-a" "8636603d72cc59ffac9c47dbb555f70e7b2e3386e4d3fab93383a60c79f349a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8636603d72cc59ffac9c47dbb555f70e7b2e3386e4d3fab93383a60c79f349a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8636603d72cc59ffac9c47dbb555f70e7b2e3386e4d3fab93383a60c79f349a1", kill_on_drop: false }`
[INFO] [stdout] 8636603d72cc59ffac9c47dbb555f70e7b2e3386e4d3fab93383a60c79f349a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6e05b740f1c070b78dbdddac91379bfc80c1ac7dbd1b7a547375871322670b03
[INFO] running `Command { std: "docker" "start" "-a" "6e05b740f1c070b78dbdddac91379bfc80c1ac7dbd1b7a547375871322670b03", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]    Compiling pyo3-build-config v0.23.5
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking generic-array v1.2.0
[INFO] [stderr]     Checking lightmotif v0.10.0
[INFO] [stderr]    Compiling pyo3-ffi v0.23.5
[INFO] [stderr]    Compiling pyo3-macros-backend v0.23.5
[INFO] [stderr]    Compiling pyo3 v0.23.5
[INFO] [stderr]     Checking lightmotif-tfmpvalue v0.10.0
[INFO] [stderr]     Checking lightmotif-io v0.10.0
[INFO] [stderr]    Compiling pyo3-macros v0.23.5
[INFO] [stderr]     Checking lightmotif-py v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<EncodedSequence, Infallible>
[INFO] [stdout]    --> lightmotif/lib.rs:201:31
[INFO] [stdout]     |
[INFO] [stdout] 201 |     pub fn __copy__(&self) -> 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<EncodedSequence, Infallible>
[INFO] [stdout]    --> lightmotif/lib.rs:258:27
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn copy(&self) -> Self {
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StripedSequence, Infallible>
[INFO] [stdout]    --> lightmotif/lib.rs:268:29
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn stripe(&self) -> StripedSequence {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StripedSequence, Infallible>
[INFO] [stdout]    --> lightmotif/lib.rs:323:31
[INFO] [stdout]     |
[INFO] [stdout] 323 |     pub fn __copy__(&self) -> Self {
[INFO] [stdout]     |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StripedSequence, Infallible>
[INFO] [stdout]    --> lightmotif/lib.rs:367:27
[INFO] [stdout]     |
[INFO] [stdout] 367 |     pub fn copy(&self) -> Self {
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Bound<'_, ScoringMatrix>, Infallible>
[INFO] [stdout]    --> lightmotif/lib.rs:822:41
[INFO] [stdout]     |
[INFO] [stdout] 822 |     pub fn score_distribution<'py>(slf: Bound<'py, Self>) -> PyResult<Py<ScoreDistribution>> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Bound<'_, ScoringMatrix>, Infallible>
[INFO] [stdout]    --> lightmotif/lib.rs:856:14
[INFO] [stdout]     |
[INFO] [stdout] 856 |         slf: Bound<'_, Self>,
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Bound<'_, ScoringMatrix>, Infallible>
[INFO] [stdout]    --> lightmotif/lib.rs:878:24
[INFO] [stdout]     |
[INFO] [stdout] 878 |     pub fn pvalue(slf: Bound<'_, Self>, score: f64, method: &str) -> PyResult<f64> {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, Infallible>
[INFO] [stdout]    --> lightmotif/lib.rs:906:47
[INFO] [stdout]     |
[INFO] [stdout] 906 |     pub fn max_score(slf: PyRef<'_, Self>) -> f32 {
[INFO] [stdout]     |                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Bound<'_, ScoringMatrix>, Infallible>
[INFO] [stdout]    --> lightmotif/lib.rs:915:23
[INFO] [stdout]     |
[INFO] [stdout] 915 |     pub fn score(slf: Bound<'_, Self>, pvalue: f64, method: &str) -> PyResult<f64> {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<usize>, Infallible>
[INFO] [stdout]     --> lightmotif/lib.rs:1094:63
[INFO] [stdout]      |
[INFO] [stdout] 1094 |     pub fn threshold(slf: PyRef<'_, Self>, threshold: f32) -> Vec<usize> {
[INFO] [stdout]      |                                                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<f32>, Infallible>
[INFO] [stdout]     --> lightmotif/lib.rs:1108:41
[INFO] [stdout]      |
[INFO] [stdout] 1108 |     pub fn max(slf: PyRef<'_, Self>) -> Option<f32> {
[INFO] [stdout]      |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<usize>, Infallible>
[INFO] [stdout]     --> lightmotif/lib.rs:1122:44
[INFO] [stdout]      |
[INFO] [stdout] 1122 |     pub fn argmax(slf: PyRef<'_, Self>) -> Option<usize> {
[INFO] [stdout]      |                                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lightmotif-py` (lib) due to 13 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<EncodedSequence, Infallible>
[INFO] [stdout]    --> lightmotif/lib.rs:201:31
[INFO] [stdout]     |
[INFO] [stdout] 201 |     pub fn __copy__(&self) -> 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<EncodedSequence, Infallible>
[INFO] [stdout]    --> lightmotif/lib.rs:258:27
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn copy(&self) -> Self {
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StripedSequence, Infallible>
[INFO] [stdout]    --> lightmotif/lib.rs:268:29
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn stripe(&self) -> StripedSequence {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StripedSequence, Infallible>
[INFO] [stdout]    --> lightmotif/lib.rs:323:31
[INFO] [stdout]     |
[INFO] [stdout] 323 |     pub fn __copy__(&self) -> Self {
[INFO] [stdout]     |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StripedSequence, Infallible>
[INFO] [stdout]    --> lightmotif/lib.rs:367:27
[INFO] [stdout]     |
[INFO] [stdout] 367 |     pub fn copy(&self) -> Self {
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Bound<'_, ScoringMatrix>, Infallible>
[INFO] [stdout]    --> lightmotif/lib.rs:822:41
[INFO] [stdout]     |
[INFO] [stdout] 822 |     pub fn score_distribution<'py>(slf: Bound<'py, Self>) -> PyResult<Py<ScoreDistribution>> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Bound<'_, ScoringMatrix>, Infallible>
[INFO] [stdout]    --> lightmotif/lib.rs:856:14
[INFO] [stdout]     |
[INFO] [stdout] 856 |         slf: Bound<'_, Self>,
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Bound<'_, ScoringMatrix>, Infallible>
[INFO] [stdout]    --> lightmotif/lib.rs:878:24
[INFO] [stdout]     |
[INFO] [stdout] 878 |     pub fn pvalue(slf: Bound<'_, Self>, score: f64, method: &str) -> PyResult<f64> {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, Infallible>
[INFO] [stdout]    --> lightmotif/lib.rs:906:47
[INFO] [stdout]     |
[INFO] [stdout] 906 |     pub fn max_score(slf: PyRef<'_, Self>) -> f32 {
[INFO] [stdout]     |                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Bound<'_, ScoringMatrix>, Infallible>
[INFO] [stdout]    --> lightmotif/lib.rs:915:23
[INFO] [stdout]     |
[INFO] [stdout] 915 |     pub fn score(slf: Bound<'_, Self>, pvalue: f64, method: &str) -> PyResult<f64> {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<usize>, Infallible>
[INFO] [stdout]     --> lightmotif/lib.rs:1094:63
[INFO] [stdout]      |
[INFO] [stdout] 1094 |     pub fn threshold(slf: PyRef<'_, Self>, threshold: f32) -> Vec<usize> {
[INFO] [stdout]      |                                                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<f32>, Infallible>
[INFO] [stdout]     --> lightmotif/lib.rs:1108:41
[INFO] [stdout]      |
[INFO] [stdout] 1108 |     pub fn max(slf: PyRef<'_, Self>) -> Option<f32> {
[INFO] [stdout]      |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<usize>, Infallible>
[INFO] [stdout]     --> lightmotif/lib.rs:1122:44
[INFO] [stdout]      |
[INFO] [stdout] 1122 |     pub fn argmax(slf: PyRef<'_, Self>) -> Option<usize> {
[INFO] [stdout]      |                                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lightmotif-py` (lib test) due to 13 previous errors
[INFO] running `Command { std: "docker" "inspect" "6e05b740f1c070b78dbdddac91379bfc80c1ac7dbd1b7a547375871322670b03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e05b740f1c070b78dbdddac91379bfc80c1ac7dbd1b7a547375871322670b03", kill_on_drop: false }`
[INFO] [stdout] 6e05b740f1c070b78dbdddac91379bfc80c1ac7dbd1b7a547375871322670b03
