[INFO] cloning repository https://github.com/seriesdb/seriesdb-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seriesdb/seriesdb-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseriesdb%2Fseriesdb-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseriesdb%2Fseriesdb-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7043f5f48593b2be886a8c5667f92d76d6607624
[INFO] testing seriesdb/seriesdb-server against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseriesdb%2Fseriesdb-server" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seriesdb/seriesdb-server on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seriesdb/seriesdb-server
[INFO] finished tweaking git repo https://github.com/seriesdb/seriesdb-server
[INFO] tweaked toml for git repo https://github.com/seriesdb/seriesdb-server written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/seriesdb/seriesdb-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5485805b12446b345ce1f825a66867f1ca218a73197d6819c224f9406d07e71e
[INFO] running `Command { std: "docker" "start" "-a" "5485805b12446b345ce1f825a66867f1ca218a73197d6819c224f9406d07e71e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5485805b12446b345ce1f825a66867f1ca218a73197d6819c224f9406d07e71e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5485805b12446b345ce1f825a66867f1ca218a73197d6819c224f9406d07e71e", kill_on_drop: false }`
[INFO] [stdout] 5485805b12446b345ce1f825a66867f1ca218a73197d6819c224f9406d07e71e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d3141fb99d1e8bd763c1e12c6fb1de8969522a24961801180f57e7b9830e7ef
[INFO] running `Command { std: "docker" "start" "-a" "2d3141fb99d1e8bd763c1e12c6fb1de8969522a24961801180f57e7b9830e7ef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling smallvec v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling arc-swap v0.4.4
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling mime v0.3.14
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.3.1
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling arc-swap v0.3.11
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling lock_api v0.3.2
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.5
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --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=832b7c8706cb6109 -C extra-filename=-832b7c8706cb6109 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1b603436233589f0.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ffc17673ba1adfd6.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-f4af8e7ee48fb608.rmeta --cap-lints allow --cap-lints=warn --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path --cfg syn_disable_nightly_tests` (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" "2d3141fb99d1e8bd763c1e12c6fb1de8969522a24961801180f57e7b9830e7ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d3141fb99d1e8bd763c1e12c6fb1de8969522a24961801180f57e7b9830e7ef", kill_on_drop: false }`
[INFO] [stdout] 2d3141fb99d1e8bd763c1e12c6fb1de8969522a24961801180f57e7b9830e7ef
