[INFO] cloning repository https://github.com/stupidhuman/npct
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stupidhuman/npct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstupidhuman%2Fnpct", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstupidhuman%2Fnpct'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ac0d2247f5ec01a6c65469668e828318ad38985
[INFO] fixing stupidhuman/npct against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstupidhuman%2Fnpct" "/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/stupidhuman/npct
[INFO] finished tweaking git repo https://github.com/stupidhuman/npct
[INFO] tweaked toml for git repo https://github.com/stupidhuman/npct written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stupidhuman/npct on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/stupidhuman/npct 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5bfc3375cb284e3ed709b05a6e39f6ed0bd15a556c5f9af372a9cccafc233efe
[INFO] running `Command { std: "docker" "start" "5bfc3375cb284e3ed709b05a6e39f6ed0bd15a556c5f9af372a9cccafc233efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5bfc3375cb284e3ed709b05a6e39f6ed0bd15a556c5f9af372a9cccafc233efe" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bfc3375cb284e3ed709b05a6e39f6ed0bd15a556c5f9af372a9cccafc233efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5bfc3375cb284e3ed709b05a6e39f6ed0bd15a556c5f9af372a9cccafc233efe" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking npct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/config/mod.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn from_args(mut args: env::Args) -> Result<Self, &'static str> {
[INFO] [stdout]    |                      ----^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/config/mod.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn from_args(mut args: env::Args) -> Result<Self, &'static str> {
[INFO] [stdout]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `cache`, and `port` are never read
[INFO] [stdout]   --> src/file_server/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct RouteConfig {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout]  9 |     // 需要被路由的文件（夹）路径
[INFO] [stdout] 10 |     dir: &'static str,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     // 是否启用缓存（具体机制待设计）
[INFO] [stdout] 12 |     cache: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     // 外部访问端口
[INFO] [stdout] 14 |     port: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/config/mod.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn from_args(mut args: env::Args) -> Result<Self, &'static str> {
[INFO] [stdout]    |                      ----^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/config/mod.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn from_args(mut args: env::Args) -> Result<Self, &'static str> {
[INFO] [stdout]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `cache`, and `port` are never read
[INFO] [stdout]   --> src/file_server/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct RouteConfig {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout]  9 |     // 需要被路由的文件（夹）路径
[INFO] [stdout] 10 |     dir: &'static str,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     // 是否启用缓存（具体机制待设计）
[INFO] [stdout] 12 |     cache: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     // 外部访问端口
[INFO] [stdout] 14 |     port: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "5bfc3375cb284e3ed709b05a6e39f6ed0bd15a556c5f9af372a9cccafc233efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bfc3375cb284e3ed709b05a6e39f6ed0bd15a556c5f9af372a9cccafc233efe", kill_on_drop: false }`
[INFO] [stdout] 5bfc3375cb284e3ed709b05a6e39f6ed0bd15a556c5f9af372a9cccafc233efe
