[INFO] cloning repository https://github.com/Fuyukai/century-ring
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fuyukai/century-ring" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuyukai%2Fcentury-ring", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuyukai%2Fcentury-ring'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa13be1b4a75d5943cae7c1ecfefd1ddfcb11f7a
[INFO] checking Fuyukai/century-ring 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%2FFuyukai%2Fcentury-ring" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Fuyukai/century-ring
[INFO] finished tweaking git repo https://github.com/Fuyukai/century-ring
[INFO] tweaked toml for git repo https://github.com/Fuyukai/century-ring written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Fuyukai/century-ring 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/Fuyukai/century-ring 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4109cb7b75ed0fb4825a2b8feb63b22242def558e87f9d22945783245210eb51
[INFO] running `Command { std: "docker" "start" "-a" "4109cb7b75ed0fb4825a2b8feb63b22242def558e87f9d22945783245210eb51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4109cb7b75ed0fb4825a2b8feb63b22242def558e87f9d22945783245210eb51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4109cb7b75ed0fb4825a2b8feb63b22242def558e87f9d22945783245210eb51", kill_on_drop: false }`
[INFO] [stdout] 4109cb7b75ed0fb4825a2b8feb63b22242def558e87f9d22945783245210eb51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a3ef4b5aeddff3290786e879d45f31674e36006e7ab47eac719b57644dbf8ee0
[INFO] running `Command { std: "docker" "start" "-a" "a3ef4b5aeddff3290786e879d45f31674e36006e7ab47eac719b57644dbf8ee0", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]    Compiling rustix v0.38.43
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling io-uring v0.7.3
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]    Compiling procfs v0.17.0
[INFO] [stderr]     Checking miniz_oxide v0.8.3
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking bytemuck v1.21.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling pyo3-build-config v0.23.4
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]    Compiling pyo3-ffi v0.23.4
[INFO] [stderr]    Compiling pyo3-macros-backend v0.23.4
[INFO] [stderr]    Compiling pyo3 v0.23.4
[INFO] [stderr]     Checking procfs-core v0.17.0
[INFO] [stderr]    Compiling pyo3-macros v0.23.4
[INFO] [stderr]     Checking century-ring v25.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/flags.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | ) -> u8 {
[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/ring.rs:38:40
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn should_be_ignored(&self) -> bool {
[INFO] [stdout]    |                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/ring.rs:129:45
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn get_next_user_data(&mut self) -> u64 {
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/flags.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | ) -> u8 {
[INFO] [stdout]    |      ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `century-ring` (lib test) due to 3 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]   --> src/ring.rs:38:40
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn should_be_ignored(&self) -> bool {
[INFO] [stdout]    |                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/ring.rs:129:45
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn get_next_user_data(&mut self) -> u64 {
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `century-ring` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "a3ef4b5aeddff3290786e879d45f31674e36006e7ab47eac719b57644dbf8ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3ef4b5aeddff3290786e879d45f31674e36006e7ab47eac719b57644dbf8ee0", kill_on_drop: false }`
[INFO] [stdout] a3ef4b5aeddff3290786e879d45f31674e36006e7ab47eac719b57644dbf8ee0
