[INFO] fetching crate eternal-macro 0.2.1...
[INFO] checking eternal-macro-0.2.1 against master#ad0d4190facd509a5c79dce427bb7deb2824046e for pr-92472
[INFO] extracting crate eternal-macro 0.2.1 into /workspace/builds/worker-100/source
[INFO] validating manifest of crates.io crate eternal-macro 0.2.1 on toolchain ad0d4190facd509a5c79dce427bb7deb2824046e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eternal-macro 0.2.1
[INFO] finished tweaking crates.io crate eternal-macro 0.2.1
[INFO] tweaked toml for crates.io crate eternal-macro 0.2.1 written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5da36a8c8af9456d9c15acb3702a01eb777668f1a2e8fb45e82ddbc753808a48
[INFO] running `Command { std: "docker" "start" "-a" "5da36a8c8af9456d9c15acb3702a01eb777668f1a2e8fb45e82ddbc753808a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5da36a8c8af9456d9c15acb3702a01eb777668f1a2e8fb45e82ddbc753808a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5da36a8c8af9456d9c15acb3702a01eb777668f1a2e8fb45e82ddbc753808a48", kill_on_drop: false }`
[INFO] [stdout] 5da36a8c8af9456d9c15acb3702a01eb777668f1a2e8fb45e82ddbc753808a48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54b1e2870798c67f5606d141534c8d82c89019ef60e9ad35d40ee2e5cca1ecd3
[INFO] running `Command { std: "docker" "start" "-a" "54b1e2870798c67f5606d141534c8d82c89019ef60e9ad35d40ee2e5cca1ecd3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling pin-project-internal v0.4.29
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking futures-channel v0.3.19
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking syn v1.0.84
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling kayrx-macro v0.2.1
[INFO] [stderr]    Compiling eternal-macro v0.2.1
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking flate2 v1.0.22
[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-1.0.84/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,future-incompat --crate-type lib --emit=dep-info,metadata -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"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=d442a8fa7293a65d -C extra-filename=-d442a8fa7293a65d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-826d9fe5d75d7d62.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-d505c6946090673f.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3d7133eb5e1c05de.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "54b1e2870798c67f5606d141534c8d82c89019ef60e9ad35d40ee2e5cca1ecd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b1e2870798c67f5606d141534c8d82c89019ef60e9ad35d40ee2e5cca1ecd3", kill_on_drop: false }`
[INFO] [stdout] 54b1e2870798c67f5606d141534c8d82c89019ef60e9ad35d40ee2e5cca1ecd3