[INFO] cloning repository https://github.com/fredhsu/learning-system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fredhsu/learning-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredhsu%2Flearning-system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredhsu%2Flearning-system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21e635d8c4b924d6e95a36b0327e8a12b2dee3a4
[INFO] checking fredhsu/learning-system against master#82dd3cb008233bfe50ba6b8d6618e6bbd6054eb1 for pr-150408
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredhsu%2Flearning-system" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fredhsu/learning-system
[INFO] finished tweaking git repo https://github.com/fredhsu/learning-system
[INFO] tweaked toml for git repo https://github.com/fredhsu/learning-system written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fredhsu/learning-system on toolchain 82dd3cb008233bfe50ba6b8d6618e6bbd6054eb1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82dd3cb008233bfe50ba6b8d6618e6bbd6054eb1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fredhsu/learning-system 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" "+82dd3cb008233bfe50ba6b8d6618e6bbd6054eb1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.100
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[INFO] [stderr]   Downloaded openssl-macros v0.1.1
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[INFO] [stderr]   Downloaded errno v0.3.13
[INFO] [stderr]   Downloaded thiserror-impl v2.0.14
[INFO] [stderr]   Downloaded form_urlencoded v1.2.1
[INFO] [stderr]   Downloaded percent-encoding v2.3.1
[INFO] [stderr]   Downloaded time-core v0.1.4
[INFO] [stderr]   Downloaded matchers v0.1.0
[INFO] [stderr]   Downloaded nu-ansi-term v0.46.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.9.4
[INFO] [stderr]   Downloaded windows-sys v0.60.2
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+82dd3cb008233bfe50ba6b8d6618e6bbd6054eb1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19b270b57aac8926d03d287897b6b8df4bcf7c0864df3af352d408f91ca66dae
[INFO] running `Command { std: "docker" "start" "-a" "19b270b57aac8926d03d287897b6b8df4bcf7c0864df3af352d408f91ca66dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19b270b57aac8926d03d287897b6b8df4bcf7c0864df3af352d408f91ca66dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19b270b57aac8926d03d287897b6b8df4bcf7c0864df3af352d408f91ca66dae", kill_on_drop: false }`
[INFO] [stdout] 19b270b57aac8926d03d287897b6b8df4bcf7c0864df3af352d408f91ca66dae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+82dd3cb008233bfe50ba6b8d6618e6bbd6054eb1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df9589113d10a07975c8ee55147820e8d7872ad12c0a1898f9a4f1436d594702
[INFO] running `Command { std: "docker" "start" "-a" "df9589113d10a07975c8ee55147820e8d7872ad12c0a1898f9a4f1436d594702", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling cc v1.2.32
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]    Compiling thiserror v2.0.14
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]    Compiling syn v2.0.105
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]    Compiling webpki-roots v1.0.2
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling webpki-roots v0.26.11
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]     Checking ipnet v2.11.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling uuid v1.18.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]     Checking deranged v0.4.0
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking openssl-probe v0.1.6
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking iri-string v0.7.8
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking tower-http v0.5.2
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking auto-future v1.0.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[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/82dd3cb008233bfe50ba6b8d6618e6bbd6054eb1/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.105/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=e8b10b72856fff6d -C extra-filename=-9080e2d013607572 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-09cd852cb5d0dbb5.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-3a88c91cfb3e9db9.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "df9589113d10a07975c8ee55147820e8d7872ad12c0a1898f9a4f1436d594702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df9589113d10a07975c8ee55147820e8d7872ad12c0a1898f9a4f1436d594702", kill_on_drop: false }`
[INFO] [stdout] df9589113d10a07975c8ee55147820e8d7872ad12c0a1898f9a4f1436d594702