[INFO] cloning repository https://github.com/xuorig/rust-ws-chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xuorig/rust-ws-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxuorig%2Frust-ws-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxuorig%2Frust-ws-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 110cbcda91d125db26bd82df43db468e21f4a237
[INFO] checking xuorig/rust-ws-chat against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxuorig%2Frust-ws-chat" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xuorig/rust-ws-chat on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xuorig/rust-ws-chat
[INFO] finished tweaking git repo https://github.com/xuorig/rust-ws-chat
[INFO] tweaked toml for git repo https://github.com/xuorig/rust-ws-chat written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/xuorig/rust-ws-chat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--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 security-framework v2.1.1
[INFO] [stderr]   Downloaded redis v0.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccf37d475643cdf5173fca393861e0ce34fb18baed2db54a62f7995b8169b430
[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" "ccf37d475643cdf5173fca393861e0ce34fb18baed2db54a62f7995b8169b430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccf37d475643cdf5173fca393861e0ce34fb18baed2db54a62f7995b8169b430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf37d475643cdf5173fca393861e0ce34fb18baed2db54a62f7995b8169b430", kill_on_drop: false }`
[INFO] [stdout] ccf37d475643cdf5173fca393861e0ce34fb18baed2db54a62f7995b8169b430
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebf44501fe4d0c1088fdba98ffffc19033f229ee2f079a0c3482af35c9870d2c
[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" "ebf44501fe4d0c1088fdba98ffffc19033f229ee2f079a0c3482af35c9870d2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking once_cell v1.7.0
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking combine v4.5.2
[INFO] [stderr]     Checking tokio-util v0.6.3
[INFO] [stderr]     Checking tokio-stream v0.1.3
[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
[INFO] [stderr]     Checking redis v0.20.0
[INFO] [stderr]     Checking rust-ws-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "ebf44501fe4d0c1088fdba98ffffc19033f229ee2f079a0c3482af35c9870d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf44501fe4d0c1088fdba98ffffc19033f229ee2f079a0c3482af35c9870d2c", kill_on_drop: false }`
[INFO] [stdout] ebf44501fe4d0c1088fdba98ffffc19033f229ee2f079a0c3482af35c9870d2c