[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] fe7fbfc382893a0c1ca0d32ee561309c7fa8b645
[INFO] checking shadowsocks/shadowsocks-rust against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowsocks%2Fshadowsocks-rust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shadowsocks/shadowsocks-rust 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] removed /workspace/builds/worker-10/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-10/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-10/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" "+1.55.0" "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 lru_time_cache v0.11.11
[INFO] [stderr]   Downloaded rpmalloc v0.2.2
[INFO] [stderr]   Downloaded json5 v0.4.1
[INFO] [stderr]   Downloaded boxfnonce v0.1.1
[INFO] [stderr]   Downloaded build-time v0.1.1
[INFO] [stderr]   Downloaded etherparse v0.9.0
[INFO] [stderr]   Downloaded trust-dns-rustls v0.20.3
[INFO] [stderr]   Downloaded bloomfilter v1.0.9
[INFO] [stderr]   Downloaded byte_string v1.0.0
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.22
[INFO] [stderr]   Downloaded rpmalloc-sys v0.2.2+1.4.1
[INFO] [stderr]   Downloaded tower v0.4.9
[INFO] [stderr]   Downloaded snmalloc-sys v0.2.28
[INFO] [stderr]   Downloaded crypto2 v0.1.2
[INFO] [stderr]   Downloaded shadowsocks-crypto v0.2.4
[INFO] [stderr]   Downloaded iprange v0.6.4
[INFO] [stderr]   Downloaded mimalloc v0.1.26
[INFO] [stderr]   Downloaded daemonize v0.4.1
[INFO] [stderr]   Downloaded ioctl-sys v0.6.0
[INFO] [stderr]   Downloaded tun v0.5.3
[INFO] [stderr]   Downloaded snmalloc-rs v0.2.28
[INFO] [stderr]   Downloaded trust-dns-https v0.20.3
[INFO] [stderr]   Downloaded tcmalloc v0.3.0
[INFO] [stderr]   Downloaded tcmalloc-sys v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 3b49298b184df358c799fcbae461c673994b0d8aecba8faa5dfca6dd08eb8638
[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" "3b49298b184df358c799fcbae461c673994b0d8aecba8faa5dfca6dd08eb8638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b49298b184df358c799fcbae461c673994b0d8aecba8faa5dfca6dd08eb8638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b49298b184df358c799fcbae461c673994b0d8aecba8faa5dfca6dd08eb8638", kill_on_drop: false }`
[INFO] [stdout] 3b49298b184df358c799fcbae461c673994b0d8aecba8faa5dfca6dd08eb8638
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a238ee0713a3647515a3b6f2c0685c97100d28da7f99078bf0f68cdad47553d
[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" "4a238ee0713a3647515a3b6f2c0685c97100d28da7f99078bf0f68cdad47553d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking crypto2 v0.1.2
[INFO] [stderr]     Checking arc-swap v1.4.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking byte_string v1.0.0
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking lru_time_cache v0.11.11
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crypto2-0.1.2/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(stdsimd, llvm_asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking iprange v0.6.4
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking qrcode v0.12.0
[INFO] [stderr]     Checking anyhow v1.0.44
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking indexmap v1.7.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking ordered-float v2.8.0
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking daemonize v0.4.1
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking inotify v0.9.5
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crypto2` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4a238ee0713a3647515a3b6f2c0685c97100d28da7f99078bf0f68cdad47553d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a238ee0713a3647515a3b6f2c0685c97100d28da7f99078bf0f68cdad47553d", kill_on_drop: false }`
[INFO] [stdout] 4a238ee0713a3647515a3b6f2c0685c97100d28da7f99078bf0f68cdad47553d
