[INFO] cloning repository https://github.com/SriRamanujam/quinn_minimal_network_repro
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SriRamanujam/quinn_minimal_network_repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSriRamanujam%2Fquinn_minimal_network_repro"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSriRamanujam%2Fquinn_minimal_network_repro'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1d29d87060b7fa968600a40e4e59d2ca138ae2af
[INFO] checking SriRamanujam/quinn_minimal_network_repro against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSriRamanujam%2Fquinn_minimal_network_repro" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SriRamanujam/quinn_minimal_network_repro on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/SriRamanujam/quinn_minimal_network_repro
[INFO] finished tweaking git repo https://github.com/SriRamanujam/quinn_minimal_network_repro
[INFO] tweaked toml for git repo https://github.com/SriRamanujam/quinn_minimal_network_repro written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/SriRamanujam/quinn_minimal_network_repro already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3800e820c4d234ff8e7dfe12ca65b810cc784030a78ef1f8eea68d1cce61c179
[INFO] running `"docker" "start" "-a" "3800e820c4d234ff8e7dfe12ca65b810cc784030a78ef1f8eea68d1cce61c179"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking sharded-slab v0.0.8
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling err-derive v0.2.3
[INFO] [stderr]     Checking tracing v0.1.13
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]     Checking tracing-serde v0.1.1
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tracing-subscriber v0.2.3
[INFO] [stderr]     Checking rustls-native-certs v0.3.0
[INFO] [stderr]     Checking quinn-proto v0.6.0
[INFO] [stderr]     Checking quinn v0.6.0
[INFO] [stderr]     Checking minimal_quinn_network_repro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> src/client/main.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         } = { conn };
[INFO] [stderr]    |             ^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> src/client/main.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         } = { conn };
[INFO] [stderr]    |             ^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.63s
[INFO] running `"docker" "inspect" "3800e820c4d234ff8e7dfe12ca65b810cc784030a78ef1f8eea68d1cce61c179"`
[INFO] running `"docker" "rm" "-f" "3800e820c4d234ff8e7dfe12ca65b810cc784030a78ef1f8eea68d1cce61c179"`
[INFO] [stdout] 3800e820c4d234ff8e7dfe12ca65b810cc784030a78ef1f8eea68d1cce61c179