[INFO] crate devserver_lib 0.1.3 is already in cache
[INFO] checking devserver_lib-0.1.3 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate devserver_lib 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate devserver_lib 0.1.3 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate devserver_lib 0.1.3
[INFO] finished tweaking crates.io crate devserver_lib 0.1.3
[INFO] tweaked toml for crates.io crate devserver_lib 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate devserver_lib 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] ce1bbc1634147c8b0299b59b16b6f74d9fe7163d03cf7b6fa6bb0115197fe54e
[INFO] running `"docker" "start" "-a" "ce1bbc1634147c8b0299b59b16b6f74d9fe7163d03cf7b6fa6bb0115197fe54e"`
[INFO] [stderr]     Checking openssl-sys v0.9.54
[INFO] [stderr]     Checking openssl v0.10.28
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking devserver_lib v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `reload`
[INFO] [stderr]    --> src/lib.rs:109:50
[INFO] [stderr]     |
[INFO] [stderr] 109 | pub fn run(address: &str, port: u32, path: &str, reload: bool) {
[INFO] [stderr]     |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reload`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut content_length = file_contents.len();
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reload`
[INFO] [stderr]    --> src/lib.rs:109:50
[INFO] [stderr]     |
[INFO] [stderr] 109 | pub fn run(address: &str, port: u32, path: &str, reload: bool) {
[INFO] [stderr]     |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reload`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut content_length = file_contents.len();
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.65s
[INFO] running `"docker" "inspect" "ce1bbc1634147c8b0299b59b16b6f74d9fe7163d03cf7b6fa6bb0115197fe54e"`
[INFO] running `"docker" "rm" "-f" "ce1bbc1634147c8b0299b59b16b6f74d9fe7163d03cf7b6fa6bb0115197fe54e"`
[INFO] [stdout] ce1bbc1634147c8b0299b59b16b6f74d9fe7163d03cf7b6fa6bb0115197fe54e