[INFO] cloning repository https://github.com/comet-rs/comet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/comet-rs/comet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomet-rs%2Fcomet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomet-rs%2Fcomet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 161944e799ca07f726f8f8d399e8fc56dddfda54
[INFO] checking comet-rs/comet against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomet-rs%2Fcomet" "/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/comet-rs/comet on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/comet-rs/comet
[INFO] finished tweaking git repo https://github.com/comet-rs/comet
[INFO] tweaked toml for git repo https://github.com/comet-rs/comet written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/comet-rs/comet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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 flurry v0.3.1
[INFO] [stderr]   Downloaded rusticata-macros v3.0.1
[INFO] [stderr]   Downloaded darling_macro v0.12.3
[INFO] [stderr]   Downloaded rcgen v0.8.9
[INFO] [stderr]   Downloaded async-compression v0.3.7
[INFO] [stderr]   Downloaded trust-dns-proto v0.20.1
[INFO] [stderr]   Downloaded oid-registry v0.1.1
[INFO] [stderr]   Downloaded der-oid-macro v0.4.0
[INFO] [stderr]   Downloaded trust-dns-native-tls v0.20.1
[INFO] [stderr]   Downloaded darling_core v0.12.3
[INFO] [stderr]   Downloaded bitvec v0.19.5
[INFO] [stderr]   Downloaded serde_with v1.8.0
[INFO] [stderr]   Downloaded lz_fnv v0.1.2
[INFO] [stderr]   Downloaded trust-dns-rustls v0.20.1
[INFO] [stderr]   Downloaded trust-dns-resolver v0.20.1
[INFO] [stderr]   Downloaded smol_str v0.1.17
[INFO] [stderr]   Downloaded crypto2 v0.1.1
[INFO] [stderr]   Downloaded android_logger v0.9.2
[INFO] [stderr]   Downloaded der-parser v5.1.0
[INFO] [stderr]   Downloaded quick-protobuf v0.8.0
[INFO] [stderr]   Downloaded x509-parser v0.9.2
[INFO] [stderr]   Downloaded pem v0.8.3
[INFO] [stderr]   Downloaded trust-dns-https v0.20.1
[INFO] [stderr]   Downloaded shadowsocks-crypto v0.1.2
[INFO] [stderr]   Downloaded serde_with_macros v1.4.1
[INFO] [stderr]   Downloaded darling v0.12.3
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abba5164f39cdff145fb713f5536ea15e697edd5376a70c5e6b5a868fd2aaa4a
[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" "abba5164f39cdff145fb713f5536ea15e697edd5376a70c5e6b5a868fd2aaa4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abba5164f39cdff145fb713f5536ea15e697edd5376a70c5e6b5a868fd2aaa4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abba5164f39cdff145fb713f5536ea15e697edd5376a70c5e6b5a868fd2aaa4a", kill_on_drop: false }`
[INFO] [stdout] abba5164f39cdff145fb713f5536ea15e697edd5376a70c5e6b5a868fd2aaa4a
[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=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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca5d5127d2d461620a9f8964704a3b0139d82693bda8cebfc7d9d9e5cf253d9e
[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" "ca5d5127d2d461620a9f8964704a3b0139d82693bda8cebfc7d9d9e5cf253d9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling httparse v1.3.6
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling oid-registry v0.1.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking crypto2 v0.1.1
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking lz_fnv v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking android_log-sys v0.2.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking jni-sys v0.3.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking quick-protobuf v0.8.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]    Compiling jni v0.18.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking combine v4.5.2
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr] error: could not compile `crypto2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name crypto2 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crypto2-0.1.1/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="openssh"' --cfg 'feature="std"' -C metadata=34cdda0666aed8b0 -C extra-filename=-34cdda0666aed8b0 --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" "ca5d5127d2d461620a9f8964704a3b0139d82693bda8cebfc7d9d9e5cf253d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca5d5127d2d461620a9f8964704a3b0139d82693bda8cebfc7d9d9e5cf253d9e", kill_on_drop: false }`
[INFO] [stdout] ca5d5127d2d461620a9f8964704a3b0139d82693bda8cebfc7d9d9e5cf253d9e