[INFO] cloning repository https://github.com/BugenZhao/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BugenZhao/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBugenZhao%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBugenZhao%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f42803c5697710aba2ff7980787e16268b62051
[INFO] checking BugenZhao/rust-playground against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBugenZhao%2Frust-playground" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/BugenZhao/rust-playground
[INFO] finished tweaking git repo https://github.com/BugenZhao/rust-playground
[INFO] tweaked toml for git repo https://github.com/BugenZhao/rust-playground written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BugenZhao/rust-playground on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BugenZhao/rust-playground 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" "+54cf65b8d066c082e536455049b95943cf30378f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aac4d4685a70d7b5cec4df38e1f9a7d94fdf1b053c707f338c336bb4daa98ac0
[INFO] running `Command { std: "docker" "start" "-a" "aac4d4685a70d7b5cec4df38e1f9a7d94fdf1b053c707f338c336bb4daa98ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aac4d4685a70d7b5cec4df38e1f9a7d94fdf1b053c707f338c336bb4daa98ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aac4d4685a70d7b5cec4df38e1f9a7d94fdf1b053c707f338c336bb4daa98ac0", kill_on_drop: false }`
[INFO] [stdout] aac4d4685a70d7b5cec4df38e1f9a7d94fdf1b053c707f338c336bb4daa98ac0
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 422d4f7a460b1b1cd080f5a034a4a7edae20a05aa9d95dc3355e242a4a9b0fa8
[INFO] running `Command { std: "docker" "start" "-a" "422d4f7a460b1b1cd080f5a034a4a7edae20a05aa9d95dc3355e242a4a9b0fa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking futures-io v0.3.27
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling target-lexicon v0.12.13
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling cranelift-isle v0.104.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.104.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.6
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.104.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking bumpalo v3.14.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking arbitrary v1.3.2
[INFO] [stderr]    Compiling rustix v0.37.7
[INFO] [stderr]     Checking slice-group-by v0.3.1
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking cpufeatures v0.2.8
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling jobserver v0.1.31
[INFO] [stderr]     Checking regalloc2 v0.9.3
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]    Compiling winnow v0.4.0
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]     Checking cranelift-control v0.104.0
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling cc v1.0.99
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking uuid v1.7.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking wasmtime-asm-macros v17.0.0
[INFO] [stderr]     Checking dyn-clone v1.0.19
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]    Compiling regress v0.10.3
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]    Compiling time-macros v0.2.19
[INFO] [stderr]     Checking rayon-core v1.11.0
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stderr]     Checking wasm-encoder v0.38.1
[INFO] [stderr]     Checking wasm-encoder v0.41.0
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]     Checking md-5 v0.10.5
[INFO] [stderr]     Checking raw-cpuid v11.0.1
[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/54cf65b8d066c082e536455049b95943cf30378f/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.104/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="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=85fa49565d98d248 -C extra-filename=-b02b253a32153693 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-62c19f024574c4cf.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bbd76fb7b6e2abdf.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" "422d4f7a460b1b1cd080f5a034a4a7edae20a05aa9d95dc3355e242a4a9b0fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "422d4f7a460b1b1cd080f5a034a4a7edae20a05aa9d95dc3355e242a4a9b0fa8", kill_on_drop: false }`
[INFO] [stdout] 422d4f7a460b1b1cd080f5a034a4a7edae20a05aa9d95dc3355e242a4a9b0fa8
