[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e75770b55a24674633bf492676f4c1bb83f04913
[INFO] checking ascii-dresden/ascii-prepaid-system against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fascii-dresden%2Fascii-prepaid-system" "/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/ascii-dresden/ascii-prepaid-system on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "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-0/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" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "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] ec2373869768c7c171ab12a36f7dca61d03b7efb3a678c70aa48a03547074ee3
[INFO] running `Command { std: "docker" "start" "-a" "ec2373869768c7c171ab12a36f7dca61d03b7efb3a678c70aa48a03547074ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec2373869768c7c171ab12a36f7dca61d03b7efb3a678c70aa48a03547074ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2373869768c7c171ab12a36f7dca61d03b7efb3a678c70aa48a03547074ee3", kill_on_drop: false }`
[INFO] [stdout] ec2373869768c7c171ab12a36f7dca61d03b7efb3a678c70aa48a03547074ee3
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3b609683a841b43f194260e6c3aa689fcad066e17dacd949c8b0b5af1febb6a
[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" "a3b609683a841b43f194260e6c3aa689fcad066e17dacd949c8b0b5af1febb6a", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.48.1
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking sublime_fuzzy v0.6.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking bytestring v0.1.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking ryu v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling sass-sys v0.4.17
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.3
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mime_guess v2.0.1
[INFO] [stderr]     Checking r2d2 v0.8.8
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr] error: could not compile `regex-syntax`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.14/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=ee6489c3b44b9fb2 -C extra-filename=-ee6489c3b44b9fb2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "a3b609683a841b43f194260e6c3aa689fcad066e17dacd949c8b0b5af1febb6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b609683a841b43f194260e6c3aa689fcad066e17dacd949c8b0b5af1febb6a", kill_on_drop: false }`
[INFO] [stdout] a3b609683a841b43f194260e6c3aa689fcad066e17dacd949c8b0b5af1febb6a