[INFO] cloning repository https://github.com/earaujoassis/knock-knock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/earaujoassis/knock-knock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fearaujoassis%2Fknock-knock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fearaujoassis%2Fknock-knock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b3831646546bc782ec2582384ab568ac6e67194
[INFO] testing earaujoassis/knock-knock 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%2Fearaujoassis%2Fknock-knock" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/earaujoassis/knock-knock 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/earaujoassis/knock-knock
[INFO] finished tweaking git repo https://github.com/earaujoassis/knock-knock
[INFO] tweaked toml for git repo https://github.com/earaujoassis/knock-knock written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/earaujoassis/knock-knock 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded r2d2 v0.8.3
[INFO] [stderr]   Downloaded actix_derive v0.3.2
[INFO] [stderr]   Downloaded actix v0.7.9
[INFO] [stderr]   Downloaded tower-service v0.1.0
[INFO] [stderr]   Downloaded v_escape v0.3.2
[INFO] [stderr]   Downloaded arc-swap v0.3.7
[INFO] [stderr]   Downloaded v_htmlescape v0.3.2
[INFO] [stderr]   Downloaded nom v4.2.0
[INFO] [stderr]   Downloaded actix-net v0.2.6
[INFO] [stderr]   Downloaded mysqlclient-sys v0.2.3
[INFO] [stderr]   Downloaded trust-dns-proto v0.5.0
[INFO] [stderr]   Downloaded actix-web v0.7.18
[INFO] [stderr]   Downloaded signal-hook v0.1.7
[INFO] [stderr]   Downloaded ipconfig v0.1.9
[INFO] [stderr]   Downloaded migrations_macros v1.4.0
[INFO] [stderr]   Downloaded dotenv v0.12.0
[INFO] [stderr]   Downloaded diesel v1.4.1
[INFO] [stderr]   Downloaded trust-dns-resolver v0.10.3
[INFO] [stderr]   Downloaded trust-dns-proto v0.6.3
[INFO] [stderr]   Downloaded v_escape_derive v0.2.1
[INFO] [stderr]   Downloaded diesel_cli v1.4.0
[INFO] [stderr]   Downloaded encoding_rs v0.8.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] c63db8ab4a45c08f04fc2445d1b2885dbd876ddf27fc7fcfd9d6b57861aa9251
[INFO] running `Command { std: "docker" "start" "-a" "c63db8ab4a45c08f04fc2445d1b2885dbd876ddf27fc7fcfd9d6b57861aa9251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c63db8ab4a45c08f04fc2445d1b2885dbd876ddf27fc7fcfd9d6b57861aa9251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63db8ab4a45c08f04fc2445d1b2885dbd876ddf27fc7fcfd9d6b57861aa9251", kill_on_drop: false }`
[INFO] [stdout] c63db8ab4a45c08f04fc2445d1b2885dbd876ddf27fc7fcfd9d6b57861aa9251
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] bb532ed8f4487fd486e882866bb785af5c6b1fbad93a2ad273ada702b444a654
[INFO] running `Command { std: "docker" "start" "-a" "bb532ed8f4487fd486e882866bb785af5c6b1fbad93a2ad273ada702b444a654", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling arc-swap v0.3.7
[INFO] [stderr]    Compiling linked-hash-map v0.4.2
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling string v0.1.3
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling encoding_rs v0.8.16
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling route-recognizer v0.1.12
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling syntex_fmt_macros v0.5.0
[INFO] [stderr]    Compiling smallvec v0.6.8
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling v_escape v0.3.2
[INFO] [stderr]    Compiling v_htmlescape v0.3.2
[INFO] [stderr]    Compiling actix-web v0.7.18
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.0
[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-0.6.5/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 -C metadata=ec985b0607a78dbc -C extra-filename=-ec985b0607a78dbc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-85eb10ee6839e3d1.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" "bb532ed8f4487fd486e882866bb785af5c6b1fbad93a2ad273ada702b444a654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb532ed8f4487fd486e882866bb785af5c6b1fbad93a2ad273ada702b444a654", kill_on_drop: false }`
[INFO] [stdout] bb532ed8f4487fd486e882866bb785af5c6b1fbad93a2ad273ada702b444a654
