[INFO] cloning repository https://github.com/imatpot/cabra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imatpot/cabra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimatpot%2Fcabra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimatpot%2Fcabra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d884766ee81e37d54e547a56ee889ee722f4bd4
[INFO] checking imatpot/cabra against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimatpot%2Fcabra" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/imatpot/cabra
[INFO] finished tweaking git repo https://github.com/imatpot/cabra
[INFO] tweaked toml for git repo https://github.com/imatpot/cabra written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/imatpot/cabra on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/imatpot/cabra 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a83e6722ec3f5104f52639895727d810a1a65ed073eed87eeb5a0cac97cb3c6d
[INFO] running `Command { std: "docker" "start" "-a" "a83e6722ec3f5104f52639895727d810a1a65ed073eed87eeb5a0cac97cb3c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a83e6722ec3f5104f52639895727d810a1a65ed073eed87eeb5a0cac97cb3c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a83e6722ec3f5104f52639895727d810a1a65ed073eed87eeb5a0cac97cb3c6d", kill_on_drop: false }`
[INFO] [stdout] a83e6722ec3f5104f52639895727d810a1a65ed073eed87eeb5a0cac97cb3c6d
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79f2f9ba6ea60db0537454abe682d3e5df40748abdcbd78816fa4f17147abef1
[INFO] running `Command { std: "docker" "start" "-a" "79f2f9ba6ea60db0537454abe682d3e5df40748abdcbd78816fa4f17147abef1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]     Checking ryu v1.0.23
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking unicode-segmentation v1.13.2
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling instability v0.3.12
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking rand_core v0.10.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]     Checking num-conv v0.2.1
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]     Checking time-core v0.1.8
[INFO] [stderr]     Checking deranged v0.5.8
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking castaway v0.2.4
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]     Checking compact_str v0.9.0
[INFO] [stderr]     Checking line-clipping v0.3.7
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking lru v0.16.4
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling cc v1.2.58
[INFO] [stderr]     Checking clap_lex v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]    Compiling cpp_demangle v0.5.1
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]     Checking hybrid-array v0.4.7
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking anstyle v1.0.14
[INFO] [stderr]     Checking uuid v1.23.0
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]     Checking unicode-truncate v2.0.1
[INFO] [stderr]     Checking debugid v0.8.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]     Checking rustc-demangle v0.1.27
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking block-buffer v0.11.0
[INFO] [stderr]     Checking inout v0.2.2
[INFO] [stderr]     Checking crypto-common v0.2.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]    Compiling symbolic-demangle v12.17.3
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking rgb v0.8.53
[INFO] [stderr]     Checking walkdir v2.5.0
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[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking cipher v0.5.0
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]     Checking memmap2 v0.9.10
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking symbolic-common v12.17.3
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]     Checking rand v0.10.0
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]     Checking quick-xml v0.26.0
[INFO] [stderr]     Checking clap v4.6.0
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking rustc-hash v2.1.2
[INFO] [stderr]    Compiling pprof v0.15.0
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling equator-macro v0.4.2
[INFO] [stderr]     Checking equator v0.4.2
[INFO] [stderr]     Checking aligned-vec v0.6.4
[INFO] [stderr]     Checking derive_more v2.1.1
[INFO] [stderr]     Checking crossterm v0.29.0
[INFO] [stderr]     Checking kasuari v0.4.12
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]     Checking ratatui-core v0.1.0
[INFO] [stderr]    Compiling darling_macro v0.23.0
[INFO] [stderr]    Compiling darling v0.23.0
[INFO] [stderr]     Checking ansi-to-tui v8.0.1
[INFO] [stderr]     Checking ratatui-widgets v0.3.0
[INFO] [stderr]     Checking ratatui-crossterm v0.1.0
[INFO] [stderr]     Checking ratatui-macros v0.7.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking ratatui v0.30.0
[INFO] [stderr]     Checking cabra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `SecureChild` is never constructed
[INFO] [stdout]   --> src/mcts/policy/action.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct SecureChild {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cabra` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "79f2f9ba6ea60db0537454abe682d3e5df40748abdcbd78816fa4f17147abef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79f2f9ba6ea60db0537454abe682d3e5df40748abdcbd78816fa4f17147abef1", kill_on_drop: false }`
[INFO] [stdout] 79f2f9ba6ea60db0537454abe682d3e5df40748abdcbd78816fa4f17147abef1