[INFO] cloning repository https://github.com/40tude/rust_flashcards
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/40tude/rust_flashcards" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F40tude%2Frust_flashcards", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F40tude%2Frust_flashcards'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5f916cf6151359285c4abfd1d66bbda7593e959
[INFO] checking 40tude/rust_flashcards against d8df82673d5911b6112a85bf91d9adefb2c66a1a for pr-162242
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F40tude%2Frust_flashcards" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/40tude/rust_flashcards
[INFO] finished tweaking git repo https://github.com/40tude/rust_flashcards
[INFO] tweaked toml for git repo https://github.com/40tude/rust_flashcards written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/40tude/rust_flashcards on toolchain d8df82673d5911b6112a85bf91d9adefb2c66a1a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8df82673d5911b6112a85bf91d9adefb2c66a1a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/40tude/rust_flashcards 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" "+d8df82673d5911b6112a85bf91d9adefb2c66a1a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tower-sessions-core v0.13.0
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[INFO] [stderr]   Downloaded rand_xorshift v0.4.0
[INFO] [stderr]   Downloaded reserve-port v2.3.0
[INFO] [stderr]   Downloaded fallible-streaming-iterator v0.1.9
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.105
[INFO] [stderr]   Downloaded rust-multipart-rfc7578_2 v0.6.1
[INFO] [stderr]   Downloaded time-core v0.1.6
[INFO] [stderr]   Downloaded serial_test v3.2.0
[INFO] [stderr]   Downloaded http-range-header v0.4.2
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.7
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[INFO] [stderr]   Downloaded relative-path v1.9.3
[INFO] [stderr]   Downloaded rusty-fork v0.3.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] edee0c505200823d0c58ab8c7c4c9fd4e7bece464684d07d2651048baebc3a69
[INFO] running `Command { std: "docker" "start" "edee0c505200823d0c58ab8c7c4c9fd4e7bece464684d07d2651048baebc3a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edee0c505200823d0c58ab8c7c4c9fd4e7bece464684d07d2651048baebc3a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "edee0c505200823d0c58ab8c7c4c9fd4e7bece464684d07d2651048baebc3a69" "/opt/rustwide/cargo-home/bin/cargo" "+d8df82673d5911b6112a85bf91d9adefb2c66a1a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edee0c505200823d0c58ab8c7c4c9fd4e7bece464684d07d2651048baebc3a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "edee0c505200823d0c58ab8c7c4c9fd4e7bece464684d07d2651048baebc3a69" "/opt/rustwide/cargo-home/bin/cargo" "+d8df82673d5911b6112a85bf91d9adefb2c66a1a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling zerocopy v0.8.30
[INFO] [stderr]     Checking tracing-core v0.1.35
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling cc v1.2.47
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking humansize v2.1.3
[INFO] [stderr]     Checking hashlink v0.10.0
[INFO] [stderr]     Checking quick-xml v0.38.4
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking signal-hook-registry v1.4.7
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling onig_sys v69.9.1
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling libsqlite3-sys v0.35.0
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling pulldown-cmark v0.13.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking askama_escape v0.10.3
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking clap_builder v4.5.53
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking rand v0.8.5
[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/d8df82673d5911b6112a85bf91d9adefb2c66a1a/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.111/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -Z embed-metadata=no -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=a4046ea6e9f31653 -C extra-filename=-e169ac79dad5a9cf --out-dir /opt/rustwide/target/debug/build/syn/e169ac79dad5a9cf/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/43e32a25692bf44a/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/9533002ac35f5809/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/43e32a25692bf44a/out/libproc_macro2-43e32a25692bf44a.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/01cdf4ac6a2aaf5b/out/libquote-01cdf4ac6a2aaf5b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/9533002ac35f5809/out/libunicode_ident-9533002ac35f5809.rmeta --cap-lints allow --cap-lints=forbid --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "edee0c505200823d0c58ab8c7c4c9fd4e7bece464684d07d2651048baebc3a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edee0c505200823d0c58ab8c7c4c9fd4e7bece464684d07d2651048baebc3a69", kill_on_drop: false }`
[INFO] [stdout] edee0c505200823d0c58ab8c7c4c9fd4e7bece464684d07d2651048baebc3a69