[INFO] cloning repository https://github.com/tjovanovic/web_server_sync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tjovanovic/web_server_sync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjovanovic%2Fweb_server_sync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjovanovic%2Fweb_server_sync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9536dd6321e6a702b9263b8fe19f3c3d59aa13cf
[INFO] checking tjovanovic/web_server_sync against try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjovanovic%2Fweb_server_sync" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/tjovanovic/web_server_sync
[INFO] finished tweaking git repo https://github.com/tjovanovic/web_server_sync
[INFO] tweaked toml for git repo https://github.com/tjovanovic/web_server_sync written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tjovanovic/web_server_sync on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tjovanovic/web_server_sync 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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "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 serde_derive v1.0.213
[INFO] [stderr]   Downloaded serde v1.0.213
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 981ca186a0f6b44e850800a83e7177b7a9731e5e65f3862fd20f60f5c26a2793
[INFO] running `Command { std: "docker" "start" "-a" "981ca186a0f6b44e850800a83e7177b7a9731e5e65f3862fd20f60f5c26a2793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "981ca186a0f6b44e850800a83e7177b7a9731e5e65f3862fd20f60f5c26a2793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981ca186a0f6b44e850800a83e7177b7a9731e5e65f3862fd20f60f5c26a2793", kill_on_drop: false }`
[INFO] [stdout] 981ca186a0f6b44e850800a83e7177b7a9731e5e65f3862fd20f60f5c26a2793
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d871b98800ea0d9f0360819bf239293ac1b8fd090ad23c494a24e8ce8d699543
[INFO] running `Command { std: "docker" "start" "-a" "d871b98800ea0d9f0360819bf239293ac1b8fd090ad23c494a24e8ce8d699543", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling serde v1.0.213
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]    Compiling serde_derive v1.0.213
[INFO] [stderr]     Checking web_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `preview_line` is never used
[INFO] [stdout]   --> src/main.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn preview_line(line: &str, size: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `preview_line` is never used
[INFO] [stdout]   --> src/main.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn preview_line(line: &str, size: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `preview_chars` is never used
[INFO] [stdout]   --> src/main.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn preview_chars(line: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `preview_chars` is never used
[INFO] [stdout]   --> src/main.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn preview_chars(line: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/request.rs:63:14
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct Route(pub String);
[INFO] [stdout]    |        ----- ^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Route` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/request.rs:63:14
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct Route(pub String);
[INFO] [stdout]    |        ----- ^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Route` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `method`, `route`, `headers`, and `body` are never read
[INFO] [stdout]   --> src/request.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct HttpRequest {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 67 |     method: Method,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 68 |     route: Route,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 69 |     headers: Headers,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 70 |     body: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HttpRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `method`, `route`, `headers`, and `body` are never read
[INFO] [stdout]   --> src/request.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct HttpRequest {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 67 |     method: Method,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 68 |     route: Route,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 69 |     headers: Headers,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 70 |     body: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HttpRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `preview_bytes` is never used
[INFO] [stdout]   --> src/request.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn preview_bytes(input: &[u8]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `preview_bytes` is never used
[INFO] [stdout]   --> src/request.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn preview_bytes(input: &[u8]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.58s
[INFO] running `Command { std: "docker" "inspect" "d871b98800ea0d9f0360819bf239293ac1b8fd090ad23c494a24e8ce8d699543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d871b98800ea0d9f0360819bf239293ac1b8fd090ad23c494a24e8ce8d699543", kill_on_drop: false }`
[INFO] [stdout] d871b98800ea0d9f0360819bf239293ac1b8fd090ad23c494a24e8ce8d699543