[INFO] cloning repository https://github.com/mastersesin/hello_rust_multithread
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mastersesin/hello_rust_multithread" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmastersesin%2Fhello_rust_multithread", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmastersesin%2Fhello_rust_multithread'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1bd9e1aae9cac007bf0a151729879dff9cb4814
[INFO] checking mastersesin/hello_rust_multithread against master#e22dab387f6b4f6a87dfc54ac2f6013dddb41e68 for pr-149195
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmastersesin%2Fhello_rust_multithread" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mastersesin/hello_rust_multithread
[INFO] finished tweaking git repo https://github.com/mastersesin/hello_rust_multithread
[INFO] tweaked toml for git repo https://github.com/mastersesin/hello_rust_multithread written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mastersesin/hello_rust_multithread on toolchain e22dab387f6b4f6a87dfc54ac2f6013dddb41e68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mastersesin/hello_rust_multithread 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" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "d56e2c633908cc121b9e4bfe76d78758ce8f7a07bdc033e210a2dd91db89a815", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OsString`
[INFO] [stdout]  --> src/main.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::ffi::{OsStr, OsString};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OsString`
[INFO] [stdout]  --> src/main.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::ffi::{OsStr, OsString};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fh`
[INFO] [stdout]    --> src/passthrough.rs:227:55
[INFO] [stdout]     |
[INFO] [stdout] 227 |     fn getattr(&self, _req: RequestInfo, path: &Path, fh: Option<u64>) -> ResultEntry {
[INFO] [stdout]     |                                                       ^^ help: if this is intentional, prefix it with an underscore: `_fh`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fh`
[INFO] [stdout]    --> src/passthrough.rs:347:16
[INFO] [stdout]     |
[INFO] [stdout] 347 |             Ok(fh) => Ok((0, 0)),
[INFO] [stdout]     |                ^^ help: if this is intentional, prefix it with an underscore: `_fh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fh`
[INFO] [stdout]    --> src/passthrough.rs:360:52
[INFO] [stdout]     |
[INFO] [stdout] 360 |     fn read(&self, _req: RequestInfo, path: &Path, fh: u64, offset: u64, size: u32, callback: impl FnOnce(ResultSlice<'_>) -> Callb...
[INFO] [stdout]     |                                                    ^^ help: if this is intentional, prefix it with an underscore: `_fh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/passthrough.rs:371:21
[INFO] [stdout]     |
[INFO] [stdout] 371 |                 Err(e) => { callback(Err(0)) }
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/passthrough.rs:383:21
[INFO] [stdout]     |
[INFO] [stdout] 383 |                 Err(e) => { callback(Err(0)) }
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fstat` is never used
[INFO] [stdout]   --> src/libc_wrappers.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn fstat(fd: u64) -> Result<libc::stat64, libc::c_int> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `stat_real` is never used
[INFO] [stdout]    --> src/passthrough.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl PassthroughFS {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn stat_real(&self, path: &Path) -> io::Result<FileAttr> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `into_raw_fd` that must be used
[INFO] [stdout]    --> src/passthrough.rs:830:9
[INFO] [stdout]     |
[INFO] [stdout] 830 |         file.into_raw_fd();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: losing the raw file descriptor may leak resources
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 830 |         let _ = file.into_raw_fd();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fh`
[INFO] [stdout]    --> src/passthrough.rs:227:55
[INFO] [stdout]     |
[INFO] [stdout] 227 |     fn getattr(&self, _req: RequestInfo, path: &Path, fh: Option<u64>) -> ResultEntry {
[INFO] [stdout]     |                                                       ^^ help: if this is intentional, prefix it with an underscore: `_fh`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fh`
[INFO] [stdout]    --> src/passthrough.rs:347:16
[INFO] [stdout]     |
[INFO] [stdout] 347 |             Ok(fh) => Ok((0, 0)),
[INFO] [stdout]     |                ^^ help: if this is intentional, prefix it with an underscore: `_fh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fh`
[INFO] [stdout]    --> src/passthrough.rs:360:52
[INFO] [stdout]     |
[INFO] [stdout] 360 |     fn read(&self, _req: RequestInfo, path: &Path, fh: u64, offset: u64, size: u32, callback: impl FnOnce(ResultSlice<'_>) -> Callb...
[INFO] [stdout]     |                                                    ^^ help: if this is intentional, prefix it with an underscore: `_fh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/passthrough.rs:371:21
[INFO] [stdout]     |
[INFO] [stdout] 371 |                 Err(e) => { callback(Err(0)) }
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/passthrough.rs:383:21
[INFO] [stdout]     |
[INFO] [stdout] 383 |                 Err(e) => { callback(Err(0)) }
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fstat` is never used
[INFO] [stdout]   --> src/libc_wrappers.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn fstat(fd: u64) -> Result<libc::stat64, libc::c_int> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `stat_real` is never used
[INFO] [stdout]    --> src/passthrough.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl PassthroughFS {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn stat_real(&self, path: &Path) -> io::Result<FileAttr> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `into_raw_fd` that must be used
[INFO] [stdout]    --> src/passthrough.rs:830:9
[INFO] [stdout]     |
[INFO] [stdout] 830 |         file.into_raw_fd();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: losing the raw file descriptor may leak resources
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 830 |         let _ = file.into_raw_fd();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.81s
[INFO] running `Command { std: "docker" "inspect" "f338869bb40608e13ac9d7b28fc42fa7c683d8d35896489f76c13d747c0a55ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f338869bb40608e13ac9d7b28fc42fa7c683d8d35896489f76c13d747c0a55ca", kill_on_drop: false }`
[INFO] [stdout] f338869bb40608e13ac9d7b28fc42fa7c683d8d35896489f76c13d747c0a55ca
