[INFO] cloning repository https://github.com/cromz22/unit-bpe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cromz22/unit-bpe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcromz22%2Funit-bpe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcromz22%2Funit-bpe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20e2654ab8b8131a07c39b694fc1584f30d9a30c
[INFO] checking cromz22/unit-bpe 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%2Fcromz22%2Funit-bpe" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cromz22/unit-bpe
[INFO] finished tweaking git repo https://github.com/cromz22/unit-bpe
[INFO] tweaked toml for git repo https://github.com/cromz22/unit-bpe written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cromz22/unit-bpe 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/cromz22/unit-bpe 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] 35b59557693ee1b6db4c43d8a106b7e8312160c8cb6267b7cb40d19346c467e4
[INFO] running `Command { std: "docker" "start" "-a" "35b59557693ee1b6db4c43d8a106b7e8312160c8cb6267b7cb40d19346c467e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35b59557693ee1b6db4c43d8a106b7e8312160c8cb6267b7cb40d19346c467e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35b59557693ee1b6db4c43d8a106b7e8312160c8cb6267b7cb40d19346c467e4", kill_on_drop: false }`
[INFO] [stdout] 35b59557693ee1b6db4c43d8a106b7e8312160c8cb6267b7cb40d19346c467e4
[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] 186305c6ba0a2afd64b99c32a33b0f2cda1b447fca336e6376ef4944a8767b05
[INFO] running `Command { std: "docker" "start" "-a" "186305c6ba0a2afd64b99c32a33b0f2cda1b447fca336e6376ef4944a8767b05", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling pyo3-build-config v0.22.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]    Compiling pyo3-ffi v0.22.3
[INFO] [stderr]    Compiling pyo3-macros-backend v0.22.3
[INFO] [stderr]    Compiling pyo3 v0.22.3
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking env_filter v0.1.2
[INFO] [stderr]     Checking env_logger v0.11.5
[INFO] [stderr]    Compiling pyo3-macros v0.22.3
[INFO] [stderr]     Checking unit-bpe v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<(Vec<i32>, Vec<((i32, i32), i32)>), Infallible>
[INFO] [stdout]  --> src/python_bindings.rs:7:61
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn fit_py(units: Vec<i32>, target_vocab_size: usize) -> (Vec<i32>, Vec<((i32, i32), i32)>) {
[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<(Vec<Vec<i32>>, Vec<((i32, i32), i32)>), Infallible>
[INFO] [stdout]   --> src/python_bindings.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | ) -> (Vec<Vec<i32>>, Vec<((i32, i32), i32)>) {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<i32>, Infallible>
[INFO] [stdout]   --> src/python_bindings.rs:30:70
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn encode_py(units: Vec<i32>, merges: Vec<((i32, i32), i32)>) -> Vec<i32> {
[INFO] [stdout]    |                                                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<i32>>, Infallible>
[INFO] [stdout]   --> src/python_bindings.rs:40:6
[INFO] [stdout]    |
[INFO] [stdout] 40 | ) -> Vec<Vec<i32>> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<i32>, Infallible>
[INFO] [stdout]   --> src/python_bindings.rs:47:70
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn decode_py(units: Vec<i32>, merges: Vec<((i32, i32), i32)>) -> Vec<i32> {
[INFO] [stdout]    |                                                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<i32>>, Infallible>
[INFO] [stdout]   --> src/python_bindings.rs:57:6
[INFO] [stdout]    |
[INFO] [stdout] 57 | ) -> Vec<Vec<i32>> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unit-bpe` (lib) due to 6 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<(Vec<i32>, Vec<((i32, i32), i32)>), Infallible>
[INFO] [stdout]  --> src/python_bindings.rs:7:61
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn fit_py(units: Vec<i32>, target_vocab_size: usize) -> (Vec<i32>, Vec<((i32, i32), i32)>) {
[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<(Vec<Vec<i32>>, Vec<((i32, i32), i32)>), Infallible>
[INFO] [stdout]   --> src/python_bindings.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | ) -> (Vec<Vec<i32>>, Vec<((i32, i32), i32)>) {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<i32>, Infallible>
[INFO] [stdout]   --> src/python_bindings.rs:30:70
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn encode_py(units: Vec<i32>, merges: Vec<((i32, i32), i32)>) -> Vec<i32> {
[INFO] [stdout]    |                                                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<i32>>, Infallible>
[INFO] [stdout]   --> src/python_bindings.rs:40:6
[INFO] [stdout]    |
[INFO] [stdout] 40 | ) -> Vec<Vec<i32>> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<i32>, Infallible>
[INFO] [stdout]   --> src/python_bindings.rs:47:70
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn decode_py(units: Vec<i32>, merges: Vec<((i32, i32), i32)>) -> Vec<i32> {
[INFO] [stdout]    |                                                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<i32>>, Infallible>
[INFO] [stdout]   --> src/python_bindings.rs:57:6
[INFO] [stdout]    |
[INFO] [stdout] 57 | ) -> Vec<Vec<i32>> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unit-bpe` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "186305c6ba0a2afd64b99c32a33b0f2cda1b447fca336e6376ef4944a8767b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "186305c6ba0a2afd64b99c32a33b0f2cda1b447fca336e6376ef4944a8767b05", kill_on_drop: false }`
[INFO] [stdout] 186305c6ba0a2afd64b99c32a33b0f2cda1b447fca336e6376ef4944a8767b05
