[INFO] cloning repository https://github.com/brioche-dev/brioche
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brioche-dev/brioche" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrioche-dev%2Fbrioche", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrioche-dev%2Fbrioche'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9420397b80cb1eda4b6c212ea5ffa4e7f37bd940
[INFO] checking brioche-dev/brioche against master#42bd138126b0a9d38d65bc9973e72de3c5b6c37f for pr-99217
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrioche-dev%2Fbrioche" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brioche-dev/brioche on toolchain 42bd138126b0a9d38d65bc9973e72de3c5b6c37f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+42bd138126b0a9d38d65bc9973e72de3c5b6c37f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brioche-dev/brioche
[INFO] finished tweaking git repo https://github.com/brioche-dev/brioche
[INFO] tweaked toml for git repo https://github.com/brioche-dev/brioche written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/brioche-dev/brioche already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+42bd138126b0a9d38d65bc9973e72de3c5b6c37f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/brioche-dev/libmount.git`
[INFO] [stderr]     Updating git repository `https://github.com/DelSkayn/rquickjs`
[INFO] [stderr]     Updating git submodule `https://github.com/bellard/quickjs.git`
[INFO] [stderr]     Updating git repository `https://github.com/brioche-dev/unshare.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-recursion v1.0.0
[INFO] [stderr]   Downloaded cjson v0.1.2
[INFO] [stderr]   Downloaded relative-path v1.7.0
[INFO] [stderr]   Downloaded bindgen v0.60.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+42bd138126b0a9d38d65bc9973e72de3c5b6c37f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 769a0829c71aa54619cc2cfced8a3f55ede586e5f0772c4bace69ceb0ae6eaba
[INFO] running `Command { std: "docker" "start" "-a" "769a0829c71aa54619cc2cfced8a3f55ede586e5f0772c4bace69ceb0ae6eaba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "769a0829c71aa54619cc2cfced8a3f55ede586e5f0772c4bace69ceb0ae6eaba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769a0829c71aa54619cc2cfced8a3f55ede586e5f0772c4bace69ceb0ae6eaba", kill_on_drop: false }`
[INFO] [stdout] 769a0829c71aa54619cc2cfced8a3f55ede586e5f0772c4bace69ceb0ae6eaba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+42bd138126b0a9d38d65bc9973e72de3c5b6c37f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1652c9dc8463c145209b489144c99ef4f7f97a5a13e4b1b2e30da4cc66da2efa
[INFO] running `Command { std: "docker" "start" "-a" "1652c9dc8463c145209b489144c99ef4f7f97a5a13e4b1b2e30da4cc66da2efa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.138
[INFO] [stderr]    Compiling hashbrown v0.12.1
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling os_str_bytes v6.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling serde v1.0.138
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling bindgen v0.60.1
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling relative-path v1.7.0
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]     Checking joinery v2.1.0
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling clang-sys v1.3.3
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking rustls-pemfile v1.0.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling rquickjs-sys v0.1.6 (https://github.com/DelSkayn/rquickjs#580cc001)
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]    Compiling clap v3.2.8
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking nix v0.21.2
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking nix v0.24.1
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking uuid v1.1.2
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking crypto-common v0.1.4
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling darling_core v0.14.1
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.98/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="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="quote"' -C metadata=c9911138c508370a -C extra-filename=-c9911138c508370a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-70ed4e777d442339.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ef685f2342365f30.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-2d8bc6a785d80132.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" "1652c9dc8463c145209b489144c99ef4f7f97a5a13e4b1b2e30da4cc66da2efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1652c9dc8463c145209b489144c99ef4f7f97a5a13e4b1b2e30da4cc66da2efa", kill_on_drop: false }`
[INFO] [stdout] 1652c9dc8463c145209b489144c99ef4f7f97a5a13e4b1b2e30da4cc66da2efa