[INFO] cloning repository https://github.com/21re/microtools-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/21re/microtools-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F21re%2Fmicrotools-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F21re%2Fmicrotools-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 746e8533627994dcd85a976cf8a2f7e8b7336600
[INFO] testing 21re/microtools-rs against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F21re%2Fmicrotools-rs" "/workspace/builds/worker-116/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-116/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/21re/microtools-rs on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/21re/microtools-rs
[INFO] finished tweaking git repo https://github.com/21re/microtools-rs
[INFO] tweaked toml for git repo https://github.com/21re/microtools-rs written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] crate git repo https://github.com/21re/microtools-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-stdlog v4.0.0
[INFO] [stderr]   Downloaded derive_more v0.99.7
[INFO] [stderr]   Downloaded actix-threadpool v0.3.2
[INFO] [stderr]   Downloaded async-trait v0.1.33
[INFO] [stderr]   Downloaded standback v0.2.13
[INFO] [stderr]   Downloaded slog-async v2.5.0
[INFO] [stderr]   Downloaded pin-project-internal v0.4.19
[INFO] [stderr]   Downloaded actix-web v3.3.1
[INFO] [stderr]   Downloaded signal-hook-registry v1.1.1
[INFO] [stderr]   Downloaded slog-envlogger v2.2.0
[INFO] [stderr]   Downloaded arc-swap v0.4.3
[INFO] [stderr]   Downloaded spectral v0.6.0
[INFO] [stderr]   Downloaded procinfo v0.3.1
[INFO] [stderr]   Downloaded prometheus v0.5.0
[INFO] [stderr]   Downloaded pin-project v0.4.19
[INFO] [stderr]   Downloaded backtrace v0.3.54
[INFO] [stderr]   Downloaded blake2b_simd v0.5.8
[INFO] [stderr]   Downloaded slog-term v2.4.1
[INFO] [stderr]   Downloaded crossbeam v0.7.2
[INFO] [stderr]   Downloaded nom v1.2.4
[INFO] [stderr]   Downloaded diesel_derives v1.4.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.50
[INFO] [stderr]   Downloaded r2d2 v0.8.5
[INFO] [stderr]   Downloaded diesel v1.4.2
[INFO] [stderr]   Downloaded encoding_rs v0.8.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3b1b501708cbaa5b025c4c4cb12ab5731ccc41ed9bdbab9e658679a8564fbd2
[INFO] running `Command { std: "docker" "start" "-a" "c3b1b501708cbaa5b025c4c4cb12ab5731ccc41ed9bdbab9e658679a8564fbd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3b1b501708cbaa5b025c4c4cb12ab5731ccc41ed9bdbab9e658679a8564fbd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b1b501708cbaa5b025c4c4cb12ab5731ccc41ed9bdbab9e658679a8564fbd2", kill_on_drop: false }`
[INFO] [stdout] c3b1b501708cbaa5b025c4c4cb12ab5731ccc41ed9bdbab9e658679a8564fbd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3a61680bedba5bf00b0cb36f07e92edf0c6dc6d2edcf04168843f4c2ca4b53a
[INFO] running `Command { std: "docker" "start" "-a" "b3a61680bedba5bf00b0cb36f07e92edf0c6dc6d2edcf04168843f4c2ca4b53a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling arc-swap v0.4.3
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling mime v0.3.14
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling prometheus v0.5.0
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling base64 v0.12.1
[INFO] [stderr]    Compiling spin v0.4.10
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling standback v0.2.13
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling cookie v0.14.3
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling bytestring v0.1.5
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.50
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling procinfo v0.3.1
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.1.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[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-0.6.21/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=8fe252683c685808 -C extra-filename=-8fe252683c685808 --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" "b3a61680bedba5bf00b0cb36f07e92edf0c6dc6d2edcf04168843f4c2ca4b53a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a61680bedba5bf00b0cb36f07e92edf0c6dc6d2edcf04168843f4c2ca4b53a", kill_on_drop: false }`
[INFO] [stdout] b3a61680bedba5bf00b0cb36f07e92edf0c6dc6d2edcf04168843f4c2ca4b53a