[INFO] cloning repository https://github.com/doums/archivur
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/doums/archivur" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoums%2Farchivur", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoums%2Farchivur'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab0a16e62e28f5541a2eb966a334629e021e43ee
[INFO] testing doums/archivur against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoums%2Farchivur" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/doums/archivur 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 git repo https://github.com/doums/archivur
[INFO] finished tweaking git repo https://github.com/doums/archivur
[INFO] tweaked toml for git repo https://github.com/doums/archivur written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/doums/archivur already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 804877a84281e8b6c666a18d168371ab141005b6a4b35328ac3f8df627efa353
[INFO] running `Command { std: "docker" "start" "-a" "804877a84281e8b6c666a18d168371ab141005b6a4b35328ac3f8df627efa353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "804877a84281e8b6c666a18d168371ab141005b6a4b35328ac3f8df627efa353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "804877a84281e8b6c666a18d168371ab141005b6a4b35328ac3f8df627efa353", kill_on_drop: false }`
[INFO] [stdout] 804877a84281e8b6c666a18d168371ab141005b6a4b35328ac3f8df627efa353
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3c145c4947c28acaa2a428879b593bbefefb87d9dfc6dcff2f52ff95cf432f18
[INFO] running `Command { std: "docker" "start" "-a" "3c145c4947c28acaa2a428879b593bbefefb87d9dfc6dcff2f52ff95cf432f18", kill_on_drop: false }`
[INFO] [stderr]    Compiling zstd-safe v3.1.0+zstd.1.4.9
[INFO] [stderr]    Compiling zeroize v1.4.1
[INFO] [stderr]    Compiling language-tags v0.3.2
[INFO] [stderr]    Compiling xmlparser v0.13.3
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling cookie v0.15.1
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling bytes-utils v0.1.1
[INFO] [stderr]    Compiling actix-utils v3.0.0
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling actix-service v2.0.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling aws-types v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.16-alpha#dab3b0a9)
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling actix-macros v0.2.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling actix-web-codegen v0.5.0-beta.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling http-body v0.4.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling smithy-types v0.0.1 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.16-alpha#dab3b0a9)
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr] error: could not compile `regex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.5.4/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="aho-corasick"' --cfg 'feature="default"' --cfg 'feature="memchr"' --cfg 'feature="perf"' --cfg 'feature="perf-cache"' --cfg 'feature="perf-dfa"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="std"' --cfg 'feature="unicode"' --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=27bd9e77ed307a48 -C extra-filename=-27bd9e77ed307a48 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-4c39e51ac9fce8dc.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-0f592fda00c64810.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-b77be10fdde4f88a.rmeta --cap-lints allow --cap-lints=warn` (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" "3c145c4947c28acaa2a428879b593bbefefb87d9dfc6dcff2f52ff95cf432f18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c145c4947c28acaa2a428879b593bbefefb87d9dfc6dcff2f52ff95cf432f18", kill_on_drop: false }`
[INFO] [stdout] 3c145c4947c28acaa2a428879b593bbefefb87d9dfc6dcff2f52ff95cf432f18