[INFO] cloning repository https://github.com/shadowsocks/shadowsocks-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shadowsocks/shadowsocks-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowsocks%2Fshadowsocks-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowsocks%2Fshadowsocks-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a88f3040036770121543f36efec712b0dd10e24
[INFO] checking shadowsocks/shadowsocks-rust against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowsocks%2Fshadowsocks-rust" "/workspace/builds/worker-70/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-70/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shadowsocks/shadowsocks-rust on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-70/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-70/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/shadowsocks/shadowsocks-rust
[INFO] finished tweaking git repo https://github.com/shadowsocks/shadowsocks-rust
[INFO] tweaked toml for git repo https://github.com/shadowsocks/shadowsocks-rust written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] crate git repo https://github.com/shadowsocks/shadowsocks-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ioctl-sys v0.6.0
[INFO] [stderr]   Downloaded kqueue-sys v1.0.3
[INFO] [stderr]   Downloaded json5 v0.4.0
[INFO] [stderr]   Downloaded arc-swap v1.4.0
[INFO] [stderr]   Downloaded iprange v0.6.4
[INFO] [stderr]   Downloaded etherparse v0.9.0
[INFO] [stderr]   Downloaded mimalloc v0.1.26
[INFO] [stderr]   Downloaded trust-dns-https v0.20.3
[INFO] [stderr]   Downloaded boxfnonce v0.1.1
[INFO] [stderr]   Downloaded daemonize v0.4.1
[INFO] [stderr]   Downloaded tcmalloc-sys v0.3.0
[INFO] [stderr]   Downloaded rpmalloc-sys v0.2.2+1.4.1
[INFO] [stderr]   Downloaded bloomfilter v1.0.9
[INFO] [stderr]   Downloaded notify v5.0.0-pre.13
[INFO] [stderr]   Downloaded lru_time_cache v0.11.11
[INFO] [stderr]   Downloaded kqueue v1.0.4
[INFO] [stderr]   Downloaded shadowsocks-crypto v0.2.4
[INFO] [stderr]   Downloaded tokio-io-timeout v1.1.1
[INFO] [stderr]   Downloaded tcmalloc v0.3.0
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.22
[INFO] [stderr]   Downloaded byte_string v1.0.0
[INFO] [stderr]   Downloaded trust-dns-rustls v0.20.3
[INFO] [stderr]   Downloaded tun v0.5.3
[INFO] [stderr]   Downloaded snmalloc-rs v0.2.27
[INFO] [stderr]   Downloaded crypto2 v0.1.2
[INFO] [stderr]   Downloaded snmalloc-sys v0.2.27
[INFO] [stderr]   Downloaded rpmalloc v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b986f7c489e942f8e79fb83ec3c43bc8e9c9ad14bbcf334d019de38367c4c76
[INFO] running `Command { std: "docker" "start" "-a" "3b986f7c489e942f8e79fb83ec3c43bc8e9c9ad14bbcf334d019de38367c4c76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b986f7c489e942f8e79fb83ec3c43bc8e9c9ad14bbcf334d019de38367c4c76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b986f7c489e942f8e79fb83ec3c43bc8e9c9ad14bbcf334d019de38367c4c76", kill_on_drop: false }`
[INFO] [stdout] 3b986f7c489e942f8e79fb83ec3c43bc8e9c9ad14bbcf334d019de38367c4c76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c299cf2fddfda3da582178ed56e40ff71063dfa37dd120a941ea2b1b4580f831
[INFO] running `Command { std: "docker" "start" "-a" "c299cf2fddfda3da582178ed56e40ff71063dfa37dd120a941ea2b1b4580f831", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking siphasher v0.3.7
[INFO] [stderr]     Checking crypto2 v0.1.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking byte_string v1.0.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking arc-swap v1.4.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking lru_time_cache v0.11.11
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking tinyvec v1.4.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking qrcode v0.12.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking iprange v0.6.4
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[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 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -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=b65cedb3bd8cf729 -C extra-filename=-b65cedb3bd8cf729 --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" "c299cf2fddfda3da582178ed56e40ff71063dfa37dd120a941ea2b1b4580f831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c299cf2fddfda3da582178ed56e40ff71063dfa37dd120a941ea2b1b4580f831", kill_on_drop: false }`
[INFO] [stdout] c299cf2fddfda3da582178ed56e40ff71063dfa37dd120a941ea2b1b4580f831