[INFO] updating cached repository https://github.com/scottlamb/http-serve
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fb9b8fc5f36cd09d5545a6bc26264e12e39dff5a
[INFO] checking scottlamb/http-serve against try#3ae4c050387df9f7fbb379ee90ce8bf05e566870 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottlamb%2Fhttp-serve" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scottlamb/http-serve on toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/scottlamb/http-serve
[INFO] finished tweaking git repo https://github.com/scottlamb/http-serve
[INFO] tweaked toml for git repo https://github.com/scottlamb/http-serve written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/scottlamb/http-serve already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "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] d61ee6e8c2596981868c3b07f34090c990beb2f4d05126419050b154f5c830d7
[INFO] running `"docker" "start" "-a" "d61ee6e8c2596981868c3b07f34090c990beb2f4d05126419050b154f5c830d7"`
[INFO] [stderr]     Checking time v0.2.1
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking async-compression v0.2.0
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking criterion-plot v0.4.0
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking tokio v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking http-serve v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking hyper-tls v0.4.0
[INFO] [stderr]     Checking reqwest v0.10.0
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]    --> tests/entity-acceptance.rs:115:33
[INFO] [stderr]     |
[INFO] [stderr] 115 |     static ref SERVER: String = { new_server() };
[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 block return value
[INFO] [stderr]   --> tests/chunked-acceptance.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         { Mutex::new(HashMap::new()) };
[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 block return value
[INFO] [stderr]   --> tests/chunked-acceptance.rs:69:33
[INFO] [stderr]    |
[INFO] [stderr] 69 |     static ref SERVER: Server = { new_server() };
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]    --> benches/inmem.rs:149:37
[INFO] [stderr]     |
[INFO] [stderr] 149 |     static ref SERVER: SocketAddr = { new_server() };
[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 block return value
[INFO] [stderr]   --> benches/file.rs:66:40
[INFO] [stderr]    |
[INFO] [stderr] 66 |     static ref PATH: Mutex<OsString> = { Mutex::new(OsString::new()) };
[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 block return value
[INFO] [stderr]   --> benches/file.rs:67:33
[INFO] [stderr]    |
[INFO] [stderr] 67 |     static ref SERVER: String = { new_server() };
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `"docker" "inspect" "d61ee6e8c2596981868c3b07f34090c990beb2f4d05126419050b154f5c830d7"`
[INFO] running `"docker" "rm" "-f" "d61ee6e8c2596981868c3b07f34090c990beb2f4d05126419050b154f5c830d7"`
[INFO] [stdout] d61ee6e8c2596981868c3b07f34090c990beb2f4d05126419050b154f5c830d7