[INFO] fetching crate lemmy_apub_lib 0.12.2...
[INFO] testing lemmy_apub_lib-0.12.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate lemmy_apub_lib 0.12.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate lemmy_apub_lib 0.12.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lemmy_apub_lib 0.12.2
[INFO] finished tweaking crates.io crate lemmy_apub_lib 0.12.2
[INFO] tweaked toml for crates.io crate lemmy_apub_lib 0.12.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e0148eab2b947632f571d059c39944d7d01cf99a8494a9f5d777f903fbc8f510
[INFO] running `Command { std: "docker" "start" "-a" "e0148eab2b947632f571d059c39944d7d01cf99a8494a9f5d777f903fbc8f510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0148eab2b947632f571d059c39944d7d01cf99a8494a9f5d777f903fbc8f510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0148eab2b947632f571d059c39944d7d01cf99a8494a9f5d777f903fbc8f510", kill_on_drop: false }`
[INFO] [stdout] e0148eab2b947632f571d059c39944d7d01cf99a8494a9f5d777f903fbc8f510
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3e269b5281b87c873d9edab26d44479406a8e5d38dbe2c285a8e4c25b4f42ddc
[INFO] running `Command { std: "docker" "start" "-a" "3e269b5281b87c873d9edab26d44479406a8e5d38dbe2c285a8e4c25b4f42ddc", kill_on_drop: false }`
[INFO] [stderr]    Compiling entities v1.0.1
[INFO] [stderr]    Compiling shell-words v1.0.0
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling twoway v0.2.2
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling actix-macros v0.2.1
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.5
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pem v0.8.3
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling smart-default v0.6.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling actix_derive v0.6.0
[INFO] [stderr]    Compiling lemmy_apub_lib_derive v0.12.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling blowfish v0.8.0
[INFO] [stderr]    Compiling r2d2 v0.8.9
[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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=54041e4786886990 -C extra-filename=-54041e4786886990 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2341dfc7d52c4d0a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b512be6a3f8c1d97.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-2f6444d33d391550.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" "3e269b5281b87c873d9edab26d44479406a8e5d38dbe2c285a8e4c25b4f42ddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e269b5281b87c873d9edab26d44479406a8e5d38dbe2c285a8e4c25b4f42ddc", kill_on_drop: false }`
[INFO] [stdout] 3e269b5281b87c873d9edab26d44479406a8e5d38dbe2c285a8e4c25b4f42ddc