[INFO] cloning repository https://github.com/nizam33/multiple_socket_exchanges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nizam33/multiple_socket_exchanges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnizam33%2Fmultiple_socket_exchanges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnizam33%2Fmultiple_socket_exchanges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6e9ee4a14e0b2fa448147fc7a9c42e99a4870d9
[INFO] checking nizam33/multiple_socket_exchanges against try#377afada703be70d3fdff9164a481570a3cba7fe for pr-113240
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnizam33%2Fmultiple_socket_exchanges" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nizam33/multiple_socket_exchanges on toolchain 377afada703be70d3fdff9164a481570a3cba7fe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nizam33/multiple_socket_exchanges
[INFO] finished tweaking git repo https://github.com/nizam33/multiple_socket_exchanges
[INFO] tweaked toml for git repo https://github.com/nizam33/multiple_socket_exchanges written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nizam33/multiple_socket_exchanges already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: some crates are on edition 2021 which defaults to `resolver = "2"`, but virtual workspaces default to `resolver = "1"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be76473d1e023f3d618d38dc61dfccc9a7ef032ae14090c8024ca6bbf076fc1e
[INFO] running `Command { std: "docker" "start" "-a" "be76473d1e023f3d618d38dc61dfccc9a7ef032ae14090c8024ca6bbf076fc1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be76473d1e023f3d618d38dc61dfccc9a7ef032ae14090c8024ca6bbf076fc1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be76473d1e023f3d618d38dc61dfccc9a7ef032ae14090c8024ca6bbf076fc1e", kill_on_drop: false }`
[INFO] [stdout] be76473d1e023f3d618d38dc61dfccc9a7ef032ae14090c8024ca6bbf076fc1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dea0b3181655d1ceb36601fe79ffd4ffcec1bacb9a57cb208befe70adbb0f328
[INFO] running `Command { std: "docker" "start" "-a" "dea0b3181655d1ceb36601fe79ffd4ffcec1bacb9a57cb208befe70adbb0f328", kill_on_drop: false }`
[INFO] [stderr] warning: some crates are on edition 2021 which defaults to `resolver = "2"`, but virtual workspaces default to `resolver = "1"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]     Checking openssl v0.10.40
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking sha-1 v0.10.0
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking native-tls v0.2.10
[INFO] [stderr]     Checking tungstenite v0.17.2
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking tokio-tungstenite v0.17.1
[INFO] [stderr]     Checking ws_socket v0.1.0 (/opt/rustwide/workdir/ws_socket)
[INFO] [stderr]     Checking application v0.1.0 (/opt/rustwide/workdir/application)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.72s
[INFO] running `Command { std: "docker" "inspect" "dea0b3181655d1ceb36601fe79ffd4ffcec1bacb9a57cb208befe70adbb0f328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dea0b3181655d1ceb36601fe79ffd4ffcec1bacb9a57cb208befe70adbb0f328", kill_on_drop: false }`
[INFO] [stdout] dea0b3181655d1ceb36601fe79ffd4ffcec1bacb9a57cb208befe70adbb0f328