[INFO] cloning repository https://github.com/werdl/servt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/werdl/servt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwerdl%2Fservt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwerdl%2Fservt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b4047d64b6e8600fcfae6575bc75caddeaa0ac7
[INFO] checking werdl/servt against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwerdl%2Fservt" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/werdl/servt
[INFO] finished tweaking git repo https://github.com/werdl/servt
[INFO] tweaked toml for git repo https://github.com/werdl/servt written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/werdl/servt on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/werdl/servt 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded event-listener v5.0.0
[INFO] [stderr]   Downloaded async-process v2.0.1
[INFO] [stderr]   Downloaded async-fs v2.1.1
[INFO] [stderr]   Downloaded chrono v0.4.34
[INFO] [stderr]   Downloaded smol v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef2cab765b151120ebe7505d9c993295cd57b71757488bd52548a14fd172b13f
[INFO] running `Command { std: "docker" "start" "-a" "ef2cab765b151120ebe7505d9c993295cd57b71757488bd52548a14fd172b13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef2cab765b151120ebe7505d9c993295cd57b71757488bd52548a14fd172b13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2cab765b151120ebe7505d9c993295cd57b71757488bd52548a14fd172b13f", kill_on_drop: false }`
[INFO] [stdout] ef2cab765b151120ebe7505d9c993295cd57b71757488bd52548a14fd172b13f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b2a392b1e33c8fffee089028cf76ab79ea5579a8084c7b2e96ea7b76412730f
[INFO] running `Command { std: "docker" "start" "-a" "7b2a392b1e33c8fffee089028cf76ab79ea5579a8084c7b2e96ea7b76412730f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking futures-lite v2.2.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking event-listener v5.0.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.0
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking async-channel v2.2.0
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking async-executor v1.8.0
[INFO] [stderr]     Checking async-fs v2.1.1
[INFO] [stderr]     Checking polling v3.4.0
[INFO] [stderr]     Checking async-io v2.3.1
[INFO] [stderr]     Checking async-signal v0.2.5
[INFO] [stderr]     Checking async-net v2.0.0
[INFO] [stderr]     Checking async-process v2.0.1
[INFO] [stderr]     Checking smol v2.0.0
[INFO] [stderr]     Checking servt v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `server`
[INFO] [stdout]    --> src/lib.rs:508:17
[INFO] [stdout]     |
[INFO] [stdout] 508 |         let mut server = Server::new(8080, "localhost".to_string());
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[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:508:13
[INFO] [stdout]     |
[INFO] [stdout] 508 |         let mut server = Server::new(8080, "localhost".to_string());
[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: methods `lookup_code` and `is_valid` are never used
[INFO] [stdout]   --> src/status_code.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub(crate) trait CodeLookup {
[INFO] [stdout]    |                  ---------- methods in this trait
[INFO] [stdout] 67 |     fn lookup(&self, code: u16) -> Option<&'static str>;
[INFO] [stdout] 68 |     fn lookup_code(&self, code: &'static str) -> Option<u16>;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 69 |
[INFO] [stdout] 70 |     fn is_valid(&self, code: u16) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lookup_code` and `is_valid` are never used
[INFO] [stdout]   --> src/status_code.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub(crate) trait CodeLookup {
[INFO] [stdout]    |                  ---------- methods in this trait
[INFO] [stdout] 67 |     fn lookup(&self, code: u16) -> Option<&'static str>;
[INFO] [stdout] 68 |     fn lookup_code(&self, code: &'static str) -> Option<u16>;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 69 |
[INFO] [stdout] 70 |     fn is_valid(&self, code: u16) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.61s
[INFO] running `Command { std: "docker" "inspect" "7b2a392b1e33c8fffee089028cf76ab79ea5579a8084c7b2e96ea7b76412730f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b2a392b1e33c8fffee089028cf76ab79ea5579a8084c7b2e96ea7b76412730f", kill_on_drop: false }`
[INFO] [stdout] 7b2a392b1e33c8fffee089028cf76ab79ea5579a8084c7b2e96ea7b76412730f