[INFO] cloning repository https://github.com/vadonical/ss_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vadonical/ss_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvadonical%2Fss_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvadonical%2Fss_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d93051af22be7c2fd7d3db13c36c57732ac7a2b
[INFO] checking vadonical/ss_rust against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvadonical%2Fss_rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vadonical/ss_rust on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vadonical/ss_rust
[INFO] finished tweaking git repo https://github.com/vadonical/ss_rust
[INFO] tweaked toml for git repo https://github.com/vadonical/ss_rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/vadonical/ss_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dbl v0.2.1
[INFO] [stderr]   Downloaded tokio-rustls v0.12.1
[INFO] [stderr]   Downloaded byte_string v1.0.0
[INFO] [stderr]   Downloaded qrcode v0.11.0
[INFO] [stderr]   Downloaded curl v0.4.25
[INFO] [stderr]   Downloaded tokio v0.2.4
[INFO] [stderr]   Downloaded cmac v0.2.0
[INFO] [stderr]   Downloaded pmac v0.2.0
[INFO] [stderr]   Downloaded subtle v2.2.2
[INFO] [stderr]   Downloaded typed-headers v0.2.0
[INFO] [stderr]   Downloaded enum-as-inner v0.3.0
[INFO] [stderr]   Downloaded tokio-macros v0.2.0
[INFO] [stderr]   Downloaded trust-dns-rustls v0.18.0-alpha.3
[INFO] [stderr]   Downloaded json5 v0.2.5
[INFO] [stderr]   Downloaded unwrap v1.2.1
[INFO] [stderr]   Downloaded libsodium-ffi v0.2.2
[INFO] [stderr]   Downloaded lru_time_cache v0.9.0
[INFO] [stderr]   Downloaded miscreant v0.4.2
[INFO] [stderr]   Downloaded trust-dns-https v0.18.0-alpha.3
[INFO] [stderr]   Downloaded trust-dns-resolver v0.18.0-alpha.3
[INFO] [stderr]   Downloaded trust-dns-proto v0.18.0-alpha.3
[INFO] [stderr]   Downloaded curl-sys v0.4.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 92327b7ba9c0317a9d5aba5e2b7627a83a383e6e33eff448220fda67e85827c6
[INFO] running `Command { std: "docker" "start" "-a" "92327b7ba9c0317a9d5aba5e2b7627a83a383e6e33eff448220fda67e85827c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92327b7ba9c0317a9d5aba5e2b7627a83a383e6e33eff448220fda67e85827c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92327b7ba9c0317a9d5aba5e2b7627a83a383e6e33eff448220fda67e85827c6", kill_on_drop: false }`
[INFO] [stdout] 92327b7ba9c0317a9d5aba5e2b7627a83a383e6e33eff448220fda67e85827c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f778a2dfa2a5eeb90de15bc6d119e4d5b30a79a4a9a36e28c3a013702096af3
[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" "1f778a2dfa2a5eeb90de15bc6d119e4d5b30a79a4a9a36e28c3a013702096af3", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling unwrap v1.2.1
[INFO] [stderr]    Compiling vcpkg v0.2.8
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking byte_string v1.0.0
[INFO] [stderr]     Checking lru_time_cache v0.9.0
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling curl-sys v0.4.24
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking qrcode v0.11.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]     Checking openssl v0.10.26
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.0
[INFO] [stderr]    Compiling async-trait v0.1.21
[INFO] [stderr]    Compiling enum-as-inner v0.3.0
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling zip v0.5.3
[INFO] [stderr]     Checking rand v0.7.2
[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-0.6.12/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="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=0ccf129b69e01aa6 -C extra-filename=-0ccf129b69e01aa6 --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" "1f778a2dfa2a5eeb90de15bc6d119e4d5b30a79a4a9a36e28c3a013702096af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f778a2dfa2a5eeb90de15bc6d119e4d5b30a79a4a9a36e28c3a013702096af3", kill_on_drop: false }`
[INFO] [stdout] 1f778a2dfa2a5eeb90de15bc6d119e4d5b30a79a4a9a36e28c3a013702096af3