[INFO] cloning repository https://github.com/NovaliX-Dev/huffman_format
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NovaliX-Dev/huffman_format" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNovaliX-Dev%2Fhuffman_format", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNovaliX-Dev%2Fhuffman_format'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 811011a8dc7e6b0075ef1468398e157012ee3054
[INFO] checking NovaliX-Dev/huffman_format against master#ca77504943887037504c7fc0b9bf06dab3910373 for pr-145181
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNovaliX-Dev%2Fhuffman_format" "/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/NovaliX-Dev/huffman_format
[INFO] finished tweaking git repo https://github.com/NovaliX-Dev/huffman_format
[INFO] tweaked toml for git repo https://github.com/NovaliX-Dev/huffman_format written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NovaliX-Dev/huffman_format on toolchain ca77504943887037504c7fc0b9bf06dab3910373
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/NovaliX-Dev/huffman_format 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" "+ca77504943887037504c7fc0b9bf06dab3910373" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84b058b748188e21cc650d8daa8ed181f6a9e84f1f4c0bcdadfcec0d40802edc
[INFO] running `Command { std: "docker" "start" "-a" "84b058b748188e21cc650d8daa8ed181f6a9e84f1f4c0bcdadfcec0d40802edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84b058b748188e21cc650d8daa8ed181f6a9e84f1f4c0bcdadfcec0d40802edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84b058b748188e21cc650d8daa8ed181f6a9e84f1f4c0bcdadfcec0d40802edc", kill_on_drop: false }`
[INFO] [stdout] 84b058b748188e21cc650d8daa8ed181f6a9e84f1f4c0bcdadfcec0d40802edc
[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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9646a7672c1e02c6c7d69357f8bc23b8f37dd539935f4b2c8e4240502b7c93a
[INFO] running `Command { std: "docker" "start" "-a" "e9646a7672c1e02c6c7d69357f8bc23b8f37dd539935f4b2c8e4240502b7c93a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]     Checking bitpack v1.0.0 (/opt/rustwide/workdir/bitpack)
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]    Compiling zerocopy v0.8.14
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking ryu v1.0.19
[INFO] [stderr]     Checking huffman_format v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking miniz_oxide v0.8.3
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking clap_builder v4.5.27
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking colored v2.2.0
[INFO] [stderr]     Checking arbitrary v1.4.1
[INFO] [stderr]    Compiling cc v1.2.10
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking is-terminal v0.4.15
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking rand_core v0.9.0
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling libfuzzer-sys v0.4.8
[INFO] [stderr]     Checking xz2 v0.1.7
[INFO] [stderr]     Checking benchmarks v0.1.0 (/opt/rustwide/workdir/benchmarks)
[INFO] [stderr]     Checking tempfile v3.16.0
[INFO] [stderr]     Checking regex v1.11.1
[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/ca77504943887037504c7fc0b9bf06dab3910373/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.96/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"' --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=7ee1150fdd95fcc6 -C extra-filename=-2c9258e6be02023b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ba1164ef8c5072f6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-45812ef4b8688a30.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-a3690edd3a41f0e2.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" "e9646a7672c1e02c6c7d69357f8bc23b8f37dd539935f4b2c8e4240502b7c93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9646a7672c1e02c6c7d69357f8bc23b8f37dd539935f4b2c8e4240502b7c93a", kill_on_drop: false }`
[INFO] [stdout] e9646a7672c1e02c6c7d69357f8bc23b8f37dd539935f4b2c8e4240502b7c93a