[INFO] cloning repository https://github.com/ascii-dresden/ascii-prepaid-system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ascii-dresden/ascii-prepaid-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fascii-dresden%2Fascii-prepaid-system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fascii-dresden%2Fascii-prepaid-system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e75770b55a24674633bf492676f4c1bb83f04913
[INFO] testing ascii-dresden/ascii-prepaid-system against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fascii-dresden%2Fascii-prepaid-system" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ascii-dresden/ascii-prepaid-system on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ascii-dresden/ascii-prepaid-system
[INFO] finished tweaking git repo https://github.com/ascii-dresden/ascii-prepaid-system
[INFO] tweaked toml for git repo https://github.com/ascii-dresden/ascii-prepaid-system written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ascii-dresden/ascii-prepaid-system already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-io v0.3.4
[INFO] [stderr]   Downloaded which v2.0.1
[INFO] [stderr]   Downloaded block-modes v0.3.3
[INFO] [stderr]   Downloaded threadpool v1.7.1
[INFO] [stderr]   Downloaded parking_lot_core v0.7.0
[INFO] [stderr]   Downloaded actix-rt v1.0.0
[INFO] [stderr]   Downloaded winapi-util v0.1.3
[INFO] [stderr]   Downloaded encoding v0.2.33
[INFO] [stderr]   Downloaded actix-threadpool v0.3.1
[INFO] [stderr]   Downloaded futures v0.3.4
[INFO] [stderr]   Downloaded aho-corasick v0.7.8
[INFO] [stderr]   Downloaded aes-soft v0.3.3
[INFO] [stderr]   Downloaded backtrace v0.3.43
[INFO] [stderr]   Downloaded diesel v1.4.3
[INFO] [stderr]   Downloaded bumpalo v3.2.0
[INFO] [stderr]   Downloaded peeking_take_while v0.1.2
[INFO] [stderr]   Downloaded enum-as-inner v0.3.0
[INFO] [stderr]   Downloaded derive_more v0.15.0
[INFO] [stderr]   Downloaded actix-multipart v0.2.0
[INFO] [stderr]   Downloaded actix-server v1.0.1
[INFO] [stderr]   Downloaded actix-files v0.2.1
[INFO] [stderr]   Downloaded lock_api v0.3.3
[INFO] [stderr]   Downloaded hashbrown v0.1.8
[INFO] [stderr]   Downloaded parking_lot v0.10.0
[INFO] [stderr]   Downloaded safemem v0.3.3
[INFO] [stderr]   Downloaded futures-macro v0.3.4
[INFO] [stderr]   Downloaded bufstream v0.1.4
[INFO] [stderr]   Downloaded twoway v0.2.1
[INFO] [stderr]   Downloaded copyless v0.1.4
[INFO] [stderr]   Downloaded libloading v0.5.2
[INFO] [stderr]   Downloaded futures-executor v0.3.4
[INFO] [stderr]   Downloaded actix-macros v0.1.1
[INFO] [stderr]   Downloaded pest_meta v2.1.2
[INFO] [stderr]   Downloaded derive_more v0.99.2
[INFO] [stderr]   Downloaded futures-channel v0.3.4
[INFO] [stderr]   Downloaded futures-sink v0.3.4
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.3
[INFO] [stderr]   Downloaded actix-identity v0.2.1
[INFO] [stderr]   Downloaded lettre v0.9.2
[INFO] [stderr]   Downloaded flate2 v1.0.13
[INFO] [stderr]   Downloaded encoding-index-japanese v1.20141219.5
[INFO] [stderr]   Downloaded pest v2.1.2
[INFO] [stderr]   Downloaded handlebars v3.0.1
[INFO] [stderr]   Downloaded bytestring v0.1.4
[INFO] [stderr]   Downloaded aesni v0.6.0
[INFO] [stderr]   Downloaded encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]   Downloaded regex-syntax v0.6.14
[INFO] [stderr]   Downloaded bindgen v0.48.1
[INFO] [stderr]   Downloaded either v1.5.3
[INFO] [stderr]   Downloaded actix-router v0.2.4
[INFO] [stderr]   Downloaded async-trait v0.1.24
[INFO] [stderr]   Downloaded cexpr v0.3.6
[INFO] [stderr]   Downloaded unchecked-index v0.2.2
[INFO] [stderr]   Downloaded clang-sys v0.26.4
[INFO] [stderr]   Downloaded aes v0.3.2
[INFO] [stderr]   Downloaded fast_chemail v0.9.6
[INFO] [stderr]   Downloaded encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]   Downloaded ascii_utils v0.9.3
[INFO] [stderr]   Downloaded lettre_email v0.9.2
[INFO] [stderr]   Downloaded actix-web-codegen v0.2.0
[INFO] [stderr]   Downloaded glob v0.2.11
[INFO] [stderr]   Downloaded regex v1.3.4
[INFO] [stderr]   Downloaded ring v0.16.11
[INFO] [stderr]   Downloaded encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]   Downloaded serde_json v1.0.47
[INFO] [stderr]   Downloaded r2d2 v0.8.8
[INFO] [stderr]   Downloaded hex-literal v0.2.1
[INFO] [stderr]   Downloaded futures-task v0.3.4
[INFO] [stderr]   Downloaded typenum v1.11.2
[INFO] [stderr]   Downloaded hex-literal-impl v0.2.1
[INFO] [stderr]   Downloaded sass-sys v0.4.17
[INFO] [stderr]   Downloaded argonautica v0.2.0
[INFO] [stderr]   Downloaded chrono v0.4.10
[INFO] [stderr]   Downloaded email v0.0.20
[INFO] [stderr]   Downloaded sublime_fuzzy v0.6.0
[INFO] [stderr]   Downloaded pest_generator v2.1.1
[INFO] [stderr]   Downloaded encoding_index_tests v0.1.4
[INFO] [stderr]   Downloaded sass-rs v0.2.2
[INFO] [stderr]   Downloaded futures-core v0.3.4
[INFO] [stderr]   Downloaded actix-testing v1.0.0
[INFO] [stderr]   Downloaded diesel_derives v1.4.1
[INFO] [stderr]   Downloaded untrusted v0.7.0
[INFO] [stderr]   Downloaded ucd-trie v0.1.2
[INFO] [stderr]   Downloaded env_logger v0.6.2
[INFO] [stderr]   Downloaded futures-util v0.3.4
[INFO] [stderr]   Downloaded actix-service v1.0.5
[INFO] [stderr]   Downloaded encoding-index-korean v1.20141219.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df2562243bf8ef69c70a9dc115d9ae8a95a2b93e9f7076893106e2a9776bc810
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "df2562243bf8ef69c70a9dc115d9ae8a95a2b93e9f7076893106e2a9776bc810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df2562243bf8ef69c70a9dc115d9ae8a95a2b93e9f7076893106e2a9776bc810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df2562243bf8ef69c70a9dc115d9ae8a95a2b93e9f7076893106e2a9776bc810", kill_on_drop: false }`
[INFO] [stdout] df2562243bf8ef69c70a9dc115d9ae8a95a2b93e9f7076893106e2a9776bc810
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d639fe9ffb63e1b2bc7f4530565e8ee62dd88e1bc33bf141df18eab74354dc27
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d639fe9ffb63e1b2bc7f4530565e8ee62dd88e1bc33bf141df18eab74354dc27", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling untrusted v0.7.0
[INFO] [stderr]    Compiling bindgen v0.48.1
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ascii_utils v0.9.3
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling sublime_fuzzy v0.6.0
[INFO] [stderr]    Compiling bytestring v0.1.4
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling fast_chemail v0.9.6
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling twoway v0.2.1
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling sass-sys v0.4.17
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling resolv-conf v0.6.2
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling aes v0.3.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling r2d2 v0.8.8
[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-1.0.14/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --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"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=7d542c98845da843 -C extra-filename=-7d542c98845da843 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8e92debea0d3b7a4.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-3820acdd6cdc2d01.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-5669b1e25970f6e6.rmeta --cap-lints allow --cap-lints=warn --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" "d639fe9ffb63e1b2bc7f4530565e8ee62dd88e1bc33bf141df18eab74354dc27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d639fe9ffb63e1b2bc7f4530565e8ee62dd88e1bc33bf141df18eab74354dc27", kill_on_drop: false }`
[INFO] [stdout] d639fe9ffb63e1b2bc7f4530565e8ee62dd88e1bc33bf141df18eab74354dc27