[INFO] cloning repository https://github.com/Y-ZD-heheka/rust_learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Y-ZD-heheka/rust_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FY-ZD-heheka%2Frust_learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FY-ZD-heheka%2Frust_learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5490f72fb7c4732ac43304e23b60ca2f0841c436
[INFO] checking Y-ZD-heheka/rust_learn against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FY-ZD-heheka%2Frust_learn" "/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/Y-ZD-heheka/rust_learn
[INFO] finished tweaking git repo https://github.com/Y-ZD-heheka/rust_learn
[INFO] tweaked toml for git repo https://github.com/Y-ZD-heheka/rust_learn written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Y-ZD-heheka/rust_learn on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Y-ZD-heheka/rust_learn 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "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-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ccdc18efea3cca4dd9e9a315f90c3390af452741aec98f649ca60fc68db0ba2
[INFO] running `Command { std: "docker" "start" "-a" "8ccdc18efea3cca4dd9e9a315f90c3390af452741aec98f649ca60fc68db0ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ccdc18efea3cca4dd9e9a315f90c3390af452741aec98f649ca60fc68db0ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ccdc18efea3cca4dd9e9a315f90c3390af452741aec98f649ca60fc68db0ba2", kill_on_drop: false }`
[INFO] [stdout] 8ccdc18efea3cca4dd9e9a315f90c3390af452741aec98f649ca60fc68db0ba2
[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" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 913f1ffc1895d00dc49c46b05d227a7bd16baf7f74228286065ae873568b6ca2
[INFO] running `Command { std: "docker" "start" "-a" "913f1ffc1895d00dc49c46b05d227a7bd16baf7f74228286065ae873568b6ca2", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling zerocopy v0.8.28
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]     Checking tracing-core v0.1.35
[INFO] [stderr]    Compiling rustls v0.23.35
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling cc v1.2.45
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling rustls-pki-types v1.13.0
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling webpki-roots v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling webpki-roots v0.26.11
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.18
[INFO] [stderr]    Compiling unicode-properties v0.1.4
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling stringprep v0.1.5
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]     Checking anstyle-query v1.1.4
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling whoami v1.6.1
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking clap_builder v4.5.53
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking iri-string v0.7.9
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr] error: could not compile `serde_core` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/bin/rustc --crate-name serde_core --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="rc"' --cfg 'feature="result"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "rc", "result", "std", "unstable"))' -C metadata=0461edf50b803e9c -C extra-filename=-c3fb5a998c9471b6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --check-cfg 'cfg(if_docsrs_then_no_serde_core)' --check-cfg 'cfg(no_core_cstr)' --check-cfg 'cfg(no_core_error)' --check-cfg 'cfg(no_core_net)' --check-cfg 'cfg(no_core_num_saturating)' --check-cfg 'cfg(no_diagnostic_namespace)' --check-cfg 'cfg(no_serde_derive)' --check-cfg 'cfg(no_std_atomic)' --check-cfg 'cfg(no_std_atomic64)' --check-cfg 'cfg(no_target_has_atomic)'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "913f1ffc1895d00dc49c46b05d227a7bd16baf7f74228286065ae873568b6ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "913f1ffc1895d00dc49c46b05d227a7bd16baf7f74228286065ae873568b6ca2", kill_on_drop: false }`
[INFO] [stdout] 913f1ffc1895d00dc49c46b05d227a7bd16baf7f74228286065ae873568b6ca2