[INFO] cloning repository https://github.com/Autoparallel/learner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Autoparallel/learner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAutoparallel%2Flearner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAutoparallel%2Flearner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 164157a434ccfa1f2e3e18dbd1b0355392c67c0f
[INFO] testing Autoparallel/learner against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAutoparallel%2Flearner" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Autoparallel/learner
[INFO] finished tweaking git repo https://github.com/Autoparallel/learner
[INFO] tweaked toml for git repo https://github.com/Autoparallel/learner written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Autoparallel/learner on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Autoparallel/learner 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" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test_derive v3.2.0
[INFO] [stderr]   Downloaded allocator-api2 v0.2.20
[INFO] [stderr]   Downloaded serial_test v3.2.0
[INFO] [stderr]   Downloaded clap_complete v4.5.38
[INFO] [stderr]   Downloaded sdd v3.0.4
[INFO] [stderr]   Downloaded tokio-stream v0.1.16
[INFO] [stderr]   Downloaded predicates v3.1.2
[INFO] [stderr]   Downloaded instability v0.3.3
[INFO] [stderr]   Downloaded scc v2.2.5
[INFO] [stderr]   Downloaded quinn-udp v0.5.7
[INFO] [stderr]   Downloaded rusqlite v0.32.1
[INFO] [stderr]   Downloaded quick-xml v0.37.1
[INFO] [stderr]   Downloaded tokio-rusqlite v0.6.0
[INFO] [stderr]   Downloaded rustls v0.23.18
[INFO] [stderr]   Downloaded bstr v1.11.0
[INFO] [stderr]   Downloaded tokio v1.41.1
[INFO] [stderr]   Downloaded lopdf v0.34.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c5585d3953424f8a1705a7e6f879519f9b11b07718258b0df870f4b8219e487
[INFO] running `Command { std: "docker" "start" "-a" "7c5585d3953424f8a1705a7e6f879519f9b11b07718258b0df870f4b8219e487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c5585d3953424f8a1705a7e6f879519f9b11b07718258b0df870f4b8219e487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c5585d3953424f8a1705a7e6f879519f9b11b07718258b0df870f4b8219e487", kill_on_drop: false }`
[INFO] [stdout] 7c5585d3953424f8a1705a7e6f879519f9b11b07718258b0df870f4b8219e487
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b381e4271b6453f7a00bef6070992b122051fb34c1a3b874642c3be0600803a5
[INFO] running `Command { std: "docker" "start" "-a" "b381e4271b6453f7a00bef6070992b122051fb34c1a3b874642c3be0600803a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling itoa v1.0.13
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling bytes v1.8.0
[INFO] [stderr]    Compiling cc v1.2.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling rustls-pki-types v1.10.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling httparse v1.9.5
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling rustls v0.23.18
[INFO] [stderr]    Compiling hashbrown v0.15.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling rustix v0.38.41
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling webpki-roots v0.26.7
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling fallible-iterator v0.3.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling hashlink v0.9.1
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling thiserror v2.0.3
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling clap_lex v0.7.3
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling clap_builder v4.5.21
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling fastrand v2.2.0
[INFO] [stderr]    Compiling rangemap v1.5.1
[INFO] [stderr]    Compiling ipnet v2.10.1
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling console v0.15.8
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.8
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling tempfile v3.14.0
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1ef7943ee607160a564655b6596f83670ef95df5/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "default", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=442385bbf35f1b12 -C extra-filename=-13fc688ae7f36982 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1ef7943ee607160a564655b6596f83670ef95df5/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.89/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=fee30db923951836 -C extra-filename=-609e9bf969712c75 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f77d51280df25a86.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b19d02e79eb7f315.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-13328ff8d6cc16fd.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "b381e4271b6453f7a00bef6070992b122051fb34c1a3b874642c3be0600803a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b381e4271b6453f7a00bef6070992b122051fb34c1a3b874642c3be0600803a5", kill_on_drop: false }`
[INFO] [stdout] b381e4271b6453f7a00bef6070992b122051fb34c1a3b874642c3be0600803a5