[INFO] fetching crate unkr 0.1.3...
[INFO] checking unkr-0.1.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate unkr 0.1.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate unkr 0.1.3
[INFO] finished tweaking crates.io crate unkr 0.1.3
[INFO] tweaked toml for crates.io crate unkr 0.1.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unkr 0.1.3 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 unkr 0.1.3 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0f74b171ab249508f22c9cd5d51678e34ec319522dbf97adbe00bad488851115
[INFO] running `Command { std: "docker" "start" "-a" "0f74b171ab249508f22c9cd5d51678e34ec319522dbf97adbe00bad488851115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f74b171ab249508f22c9cd5d51678e34ec319522dbf97adbe00bad488851115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f74b171ab249508f22c9cd5d51678e34ec319522dbf97adbe00bad488851115", kill_on_drop: false }`
[INFO] [stdout] 0f74b171ab249508f22c9cd5d51678e34ec319522dbf97adbe00bad488851115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 74984759df974504c211e1acb7357dee0bcad96ea161a75556ef7f8493ad27d4
[INFO] running `Command { std: "docker" "start" "-a" "74984759df974504c211e1acb7357dee0bcad96ea161a75556ef7f8493ad27d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking ryu v1.0.19
[INFO] [stderr]    Compiling zerocopy v0.8.14
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]    Compiling cc v1.2.11
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking clap_builder v4.5.27
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]     Checking uuid v1.12.1
[INFO] [stderr]    Compiling cpp_demangle v0.4.4
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking is-terminal v0.4.15
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking crossbeam-channel v0.5.14
[INFO] [stderr]     Checking debugid v0.8.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking memmap2 v0.9.5
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking bytemuck v1.21.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling symbolic-demangle v12.13.3
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]     Checking symbolic-common v12.13.3
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]    Compiling syn v2.0.97
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking rgb v0.8.50
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking miniz_oxide v0.8.3
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking quick-xml v0.26.0
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]    Compiling pprof v0.14.0
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking rand_core v0.9.0
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking crossterm v0.28.1
[INFO] [stderr]     Checking tempfile v3.16.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling clap_derive v4.5.24
[INFO] [stderr]    Compiling equator-macro v0.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking equator v0.2.2
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking aligned-vec v0.6.1
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking inferno v0.11.21
[INFO] [stderr]     Checking clap v4.5.27
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking unkr v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: enum `WorkStatus` is never used
[INFO] [stdout]    --> src/thread_system.rs:134:10
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub enum WorkStatus {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/cryptors/caesar.rs:22:38
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 .map(|c| char_mod(c, number.try_into().unwrap(), true))
[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/cryptors/cut.rs:10:48
[INFO] [stdout]    |
[INFO] [stdout] 10 |         .map(|str| str.split_at(min(str.len(), number.try_into().unwrap())))
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/cryptors/transpose.rs:45:29
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let block_size: usize = number.try_into().unwrap();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unkr` (lib) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "74984759df974504c211e1acb7357dee0bcad96ea161a75556ef7f8493ad27d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74984759df974504c211e1acb7357dee0bcad96ea161a75556ef7f8493ad27d4", kill_on_drop: false }`
[INFO] [stdout] 74984759df974504c211e1acb7357dee0bcad96ea161a75556ef7f8493ad27d4