[INFO] cloning repository https://github.com/Jayson-Fong/python-libbruteforce
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jayson-Fong/python-libbruteforce" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJayson-Fong%2Fpython-libbruteforce", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJayson-Fong%2Fpython-libbruteforce'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fee0172558c1cdb7234de984fbb5612fd71cf866
[INFO] checking Jayson-Fong/python-libbruteforce 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%2FJayson-Fong%2Fpython-libbruteforce" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Jayson-Fong/python-libbruteforce
[INFO] finished tweaking git repo https://github.com/Jayson-Fong/python-libbruteforce
[INFO] tweaked toml for git repo https://github.com/Jayson-Fong/python-libbruteforce written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Jayson-Fong/python-libbruteforce 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/Jayson-Fong/python-libbruteforce 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b27244c70e29925fcfeb1693b18d620ed207c67d083883cd778fcbd19615b258
[INFO] running `Command { std: "docker" "start" "-a" "b27244c70e29925fcfeb1693b18d620ed207c67d083883cd778fcbd19615b258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b27244c70e29925fcfeb1693b18d620ed207c67d083883cd778fcbd19615b258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b27244c70e29925fcfeb1693b18d620ed207c67d083883cd778fcbd19615b258", kill_on_drop: false }`
[INFO] [stdout] b27244c70e29925fcfeb1693b18d620ed207c67d083883cd778fcbd19615b258
[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 -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] 1bb392b3b880eb0d6b70e03b53bde968f659fa862350286f6cab92f1e005f93f
[INFO] running `Command { std: "docker" "start" "-a" "1bb392b3b880eb0d6b70e03b53bde968f659fa862350286f6cab92f1e005f93f", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.3
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling pyo3-build-config v0.27.0
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling syn v2.0.107
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling pyo3-macros-backend v0.27.0
[INFO] [stderr]    Compiling pyo3-ffi v0.27.0
[INFO] [stderr]    Compiling pyo3 v0.27.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking libbruteforce v4.0.1
[INFO] [stderr]    Compiling pyo3-macros v0.27.0
[INFO] [stderr]     Checking libbruteforce v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lib.rs:73:24
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn build(&self) -> String {
[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<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:150:27
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn alphabet(&self) -> String {
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/lib.rs:154:26
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn max_len(&self) -> u32 {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/lib.rs:158:26
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn min_len(&self) -> u32 {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:162:25
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn greedy(&self) -> bool {
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/lib.rs:166:26
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn algo_id(&self) -> u8 {
[INFO] [stdout]     |                          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lib.rs:73:24
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn build(&self) -> String {
[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<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:150:27
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn alphabet(&self) -> String {
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/lib.rs:154:26
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn max_len(&self) -> u32 {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/lib.rs:158:26
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn min_len(&self) -> u32 {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:162:25
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn greedy(&self) -> bool {
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/lib.rs:166:26
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn algo_id(&self) -> u8 {
[INFO] [stdout]     |                          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libbruteforce` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `libbruteforce` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "1bb392b3b880eb0d6b70e03b53bde968f659fa862350286f6cab92f1e005f93f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bb392b3b880eb0d6b70e03b53bde968f659fa862350286f6cab92f1e005f93f", kill_on_drop: false }`
[INFO] [stdout] 1bb392b3b880eb0d6b70e03b53bde968f659fa862350286f6cab92f1e005f93f
