[INFO] cloning repository https://github.com/zhimoe/mdict-rs-py
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhimoe/mdict-rs-py" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhimoe%2Fmdict-rs-py", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhimoe%2Fmdict-rs-py'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3cd799e1ef84f4fb5d582ab76ca1b5ee6255565b
[INFO] checking zhimoe/mdict-rs-py 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%2Fzhimoe%2Fmdict-rs-py" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zhimoe/mdict-rs-py
[INFO] finished tweaking git repo https://github.com/zhimoe/mdict-rs-py
[INFO] tweaked toml for git repo https://github.com/zhimoe/mdict-rs-py written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zhimoe/mdict-rs-py 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/zhimoe/mdict-rs-py 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ac0d7a09a7287e3fb250c0bd90b71ae69e7bf9ec557808b018aced2934f056ff
[INFO] running `Command { std: "docker" "start" "-a" "ac0d7a09a7287e3fb250c0bd90b71ae69e7bf9ec557808b018aced2934f056ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac0d7a09a7287e3fb250c0bd90b71ae69e7bf9ec557808b018aced2934f056ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0d7a09a7287e3fb250c0bd90b71ae69e7bf9ec557808b018aced2934f056ff", kill_on_drop: false }`
[INFO] [stdout] ac0d7a09a7287e3fb250c0bd90b71ae69e7bf9ec557808b018aced2934f056ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 34b91ff83cccaa85c1d1e5f0af0898ae48e8f424c3a9f7f9e6bf0dbbd5071171
[INFO] running `Command { std: "docker" "start" "-a" "34b91ff83cccaa85c1d1e5f0af0898ae48e8f424c3a9f7f9e6bf0dbbd5071171", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling cc v1.1.20
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling pyo3-build-config v0.25.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling libz-sys v1.1.6
[INFO] [stderr]    Compiling minilzo-rs v0.6.1
[INFO] [stderr]     Checking flate2 v1.0.23
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking ripemd v0.1.3
[INFO] [stderr]    Compiling pyo3-macros-backend v0.25.1
[INFO] [stderr]    Compiling pyo3-ffi v0.25.1
[INFO] [stderr]    Compiling pyo3 v0.25.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.29
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling pyo3-macros v0.25.1
[INFO] [stderr]     Checking mdict-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<PyRecord>, Infallible>
[INFO] [stdout]   --> src/lib.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn items(&self) -> Vec<PyRecord> {
[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<usize, Infallible>
[INFO] [stdout]   --> src/lib.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn get_entries_count(&self) -> usize {
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mdict-rs` (lib) due to 2 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<PyRecord>, Infallible>
[INFO] [stdout]   --> src/lib.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn items(&self) -> Vec<PyRecord> {
[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<usize, Infallible>
[INFO] [stdout]   --> src/lib.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn get_entries_count(&self) -> usize {
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mdict-rs` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "34b91ff83cccaa85c1d1e5f0af0898ae48e8f424c3a9f7f9e6bf0dbbd5071171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34b91ff83cccaa85c1d1e5f0af0898ae48e8f424c3a9f7f9e6bf0dbbd5071171", kill_on_drop: false }`
[INFO] [stdout] 34b91ff83cccaa85c1d1e5f0af0898ae48e8f424c3a9f7f9e6bf0dbbd5071171
