[INFO] fetching crate devserver_lib 0.4.0...
[INFO] checking devserver_lib-0.4.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate devserver_lib 0.4.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate devserver_lib 0.4.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate devserver_lib 0.4.0
[INFO] finished tweaking crates.io crate devserver_lib 0.4.0
[INFO] tweaked toml for crates.io crate devserver_lib 0.4.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate devserver_lib 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a031d3e20952bece1064d437adb2d4d7ce28902d245839b8b18d16101b3cc34
[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" "0a031d3e20952bece1064d437adb2d4d7ce28902d245839b8b18d16101b3cc34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a031d3e20952bece1064d437adb2d4d7ce28902d245839b8b18d16101b3cc34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a031d3e20952bece1064d437adb2d4d7ce28902d245839b8b18d16101b3cc34", kill_on_drop: false }`
[INFO] [stdout] 0a031d3e20952bece1064d437adb2d4d7ce28902d245839b8b18d16101b3cc34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b4063ed8d57dcb33a6107203cc2b67744bdbd6d6d8397bbfe8a969703f7ac87d
[INFO] running `Command { std: "docker" "start" "-a" "b4063ed8d57dcb33a6107203cc2b67744bdbd6d6d8397bbfe8a969703f7ac87d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]     Checking devserver_lib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `reload`
[INFO] [stdout]   --> src/lib.rs:33:67
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn handle_client<T: Read + Write>(mut stream: T, root_path: &str, reload: bool, headers: &str) {
[INFO] [stdout]    |                                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reload`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut content_length = file_contents.len();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reload`
[INFO] [stdout]   --> src/lib.rs:33:67
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn handle_client<T: Read + Write>(mut stream: T, root_path: &str, reload: bool, headers: &str) {
[INFO] [stdout]    |                                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reload`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut content_length = file_contents.len();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 5 arguments but 4 arguments were supplied
[INFO] [stdout]    --> examples/run.rs:5:5
[INFO] [stdout]     |
[INFO] [stdout] 5   |     devserver_lib::run(&"localhost", 8080, "", false);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^ ------------  ----  --  ----- supplied 4 arguments
[INFO] [stdout]     |     |
[INFO] [stdout]     |     expected 5 arguments
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn run(address: &str, port: u32, path: &str, reload: bool, headers: &str) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `devserver_lib` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b4063ed8d57dcb33a6107203cc2b67744bdbd6d6d8397bbfe8a969703f7ac87d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4063ed8d57dcb33a6107203cc2b67744bdbd6d6d8397bbfe8a969703f7ac87d", kill_on_drop: false }`
[INFO] [stdout] b4063ed8d57dcb33a6107203cc2b67744bdbd6d6d8397bbfe8a969703f7ac87d