[INFO] cloning repository https://github.com/lenscas/heaven_and_hell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lenscas/heaven_and_hell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flenscas%2Fheaven_and_hell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flenscas%2Fheaven_and_hell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 537bdbdacfc9f2d8d0b078d00d6533cab98ffe85
[INFO] testing lenscas/heaven_and_hell against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flenscas%2Fheaven_and_hell" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lenscas/heaven_and_hell 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/lenscas/heaven_and_hell
[INFO] finished tweaking git repo https://github.com/lenscas/heaven_and_hell
[INFO] tweaked toml for git repo https://github.com/lenscas/heaven_and_hell written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/lenscas/heaven_and_hell 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] [stdout] 7a7810f8e9eedc707ca71ff1660f3b88baea9090aed04c5c14ccbc93c665fbfa
[INFO] running `Command { std: "docker" "start" "-a" "7a7810f8e9eedc707ca71ff1660f3b88baea9090aed04c5c14ccbc93c665fbfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a7810f8e9eedc707ca71ff1660f3b88baea9090aed04c5c14ccbc93c665fbfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7810f8e9eedc707ca71ff1660f3b88baea9090aed04c5c14ccbc93c665fbfa", kill_on_drop: false }`
[INFO] [stdout] 7a7810f8e9eedc707ca71ff1660f3b88baea9090aed04c5c14ccbc93c665fbfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] [stdout] 1f5f505828af342bac89faf8fd1ac187d432a58a3d866e13a7b6e048c44d98f4
[INFO] running `Command { std: "docker" "start" "-a" "1f5f505828af342bac89faf8fd1ac187d432a58a3d866e13a7b6e048c44d98f4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling downcast-rs v1.1.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling RustyXML v0.1.1
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling bytemuck v1.2.0
[INFO] [stderr]    Compiling array-macro v1.0.5
[INFO] [stderr]    Compiling ahash v0.3.4
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling mint v0.5.5
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling slotmap v0.4.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling utf-8 v0.6.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling generational-arena v0.2.7
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese 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-korean v1.20141219.5
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling synom v0.11.3
[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-0.6.17/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="default"' --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=1f645e41df728982 -C extra-filename=-1f645e41df728982 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "1f5f505828af342bac89faf8fd1ac187d432a58a3d866e13a7b6e048c44d98f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f5f505828af342bac89faf8fd1ac187d432a58a3d866e13a7b6e048c44d98f4", kill_on_drop: false }`
[INFO] [stdout] 1f5f505828af342bac89faf8fd1ac187d432a58a3d866e13a7b6e048c44d98f4