[INFO] fetching crate file_transfer 0.1.1...
[INFO] testing file_transfer-0.1.1 against beta-2025-09-21 for beta-1.91-2
[INFO] extracting crate file_transfer 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate file_transfer 0.1.1
[INFO] finished tweaking crates.io crate file_transfer 0.1.1
[INFO] tweaked toml for crates.io crate file_transfer 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate file_transfer 0.1.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate file_transfer 0.1.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 375a0d7d67aaf0960b2eb5733a2ee81bf569f437240890851ad88829d6d82b58
[INFO] running `Command { std: "docker" "start" "-a" "375a0d7d67aaf0960b2eb5733a2ee81bf569f437240890851ad88829d6d82b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "375a0d7d67aaf0960b2eb5733a2ee81bf569f437240890851ad88829d6d82b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "375a0d7d67aaf0960b2eb5733a2ee81bf569f437240890851ad88829d6d82b58", kill_on_drop: false }`
[INFO] [stdout] 375a0d7d67aaf0960b2eb5733a2ee81bf569f437240890851ad88829d6d82b58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc1a0ee211b2f1c3db0a34935f45a0743a84583f23ca0d313278c519deb5bd4b
[INFO] running `Command { std: "docker" "start" "-a" "dc1a0ee211b2f1c3db0a34935f45a0743a84583f23ca0d313278c519deb5bd4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling file_transfer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/ftp.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[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: `std::io::prelude::*`
[INFO] [stdout]  --> src/ftp.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "dc1a0ee211b2f1c3db0a34935f45a0743a84583f23ca0d313278c519deb5bd4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc1a0ee211b2f1c3db0a34935f45a0743a84583f23ca0d313278c519deb5bd4b", kill_on_drop: false }`
[INFO] [stdout] dc1a0ee211b2f1c3db0a34935f45a0743a84583f23ca0d313278c519deb5bd4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 023fb9ab93085d1d6b16d6cb665518998e930b4cdaf96028b7a543383750ee1b
[INFO] running `Command { std: "docker" "start" "-a" "023fb9ab93085d1d6b16d6cb665518998e930b4cdaf96028b7a543383750ee1b", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/ftp.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling file_transfer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/ftp.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/ftp.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[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: `std::io::prelude::*`
[INFO] [stdout]  --> src/ftp.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "023fb9ab93085d1d6b16d6cb665518998e930b4cdaf96028b7a543383750ee1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "023fb9ab93085d1d6b16d6cb665518998e930b4cdaf96028b7a543383750ee1b", kill_on_drop: false }`
[INFO] [stdout] 023fb9ab93085d1d6b16d6cb665518998e930b4cdaf96028b7a543383750ee1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4eaa5303c1cd289b4bae452674718c09fffdcea1751af55758a04395761f6528
[INFO] running `Command { std: "docker" "start" "-a" "4eaa5303c1cd289b4bae452674718c09fffdcea1751af55758a04395761f6528", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stdout] 
[INFO] [stderr]  --> src/ftp.rs:2:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 2 | use std::path::Path;
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/ftp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `file_transfer` (lib) generated 2 warnings (run `cargo fix --lib -p file_transfer` to apply 2 suggestions)
[INFO] [stderr] warning: `file_transfer` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/file_transfer-1f83a4596fc8b333)
[INFO] [stderr]      Running unittests src/bin/client_main.rs (/opt/rustwide/target/debug/deps/client_main-b28217d0bffc3517)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/host_main.rs (/opt/rustwide/target/debug/deps/host_main-0d86e2f6e74c1452)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests file_transfer
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/ftp.rs - ftp::FTP::new (line 25) ... FAILED
[INFO] [stdout] test src/ftp.rs - ftp::FTP::send (line 43) ... FAILED
[INFO] [stdout] test src/ftp.rs - ftp::FTP::recv (line 67) ... FAILED
[INFO] [stdout] test src/ftp.rs - ftp::FTP::get_ip_file (line 95) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/ftp.rs - ftp::FTP::new (line 25) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `FTP`
[INFO] [stdout]  --> src/ftp.rs:26:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | let ftp = FTP::new("127.0.0.1:8080", File::create("/home/user/file.txt"));
[INFO] [stdout]   |           ^^^ use of undeclared type `FTP`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 2 + use file_transfer::ftp::FTP;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `File`
[INFO] [stdout]  --> src/ftp.rs:26:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | let ftp = FTP::new("127.0.0.1:8080", File::create("/home/user/file.txt"));
[INFO] [stdout]   |                                      ^^^^ use of undeclared type `File`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::fs::File;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ftp.rs - ftp::FTP::send (line 43) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `FTP`
[INFO] [stdout]  --> src/ftp.rs:44:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | let ftp = FTP::new("127.0.0.1:8080", File::create("/home/user/file.txt"));
[INFO] [stdout]   |           ^^^ use of undeclared type `FTP`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 2 + use file_transfer::ftp::FTP;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `File`
[INFO] [stdout]  --> src/ftp.rs:44:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | let ftp = FTP::new("127.0.0.1:8080", File::create("/home/user/file.txt"));
[INFO] [stdout]   |                                      ^^^^ use of undeclared type `File`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::fs::File;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ftp.rs - ftp::FTP::recv (line 67) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `FTP`
[INFO] [stdout]  --> src/ftp.rs:68:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | let ftp = FTP::new("127.0.0.1:8080", File::create("/home/user/file.txt"));
[INFO] [stdout]   |           ^^^ use of undeclared type `FTP`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 2 + use file_transfer::ftp::FTP;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `File`
[INFO] [stdout]  --> src/ftp.rs:68:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | let ftp = FTP::new("127.0.0.1:8080", File::create("/home/user/file.txt"));
[INFO] [stdout]   |                                      ^^^^ use of undeclared type `File`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::fs::File;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ftp.rs - ftp::FTP::get_ip_file (line 95) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `File` in this scope
[INFO] [stdout]  --> src/ftp.rs:96:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | let file: File = ftp.get_ip_file();
[INFO] [stdout]   |           ^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::fs::File;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `ftp` in this scope
[INFO] [stdout]  --> src/ftp.rs:96:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | let file: File = ftp.get_ip_file();
[INFO] [stdout]   |                  ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/ftp.rs - ftp::FTP::get_ip_file (line 95)
[INFO] [stdout]     src/ftp.rs - ftp::FTP::new (line 25)
[INFO] [stdout]     src/ftp.rs - ftp::FTP::recv (line 67)
[INFO] [stdout]     src/ftp.rs - ftp::FTP::send (line 43)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "4eaa5303c1cd289b4bae452674718c09fffdcea1751af55758a04395761f6528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eaa5303c1cd289b4bae452674718c09fffdcea1751af55758a04395761f6528", kill_on_drop: false }`
[INFO] [stdout] 4eaa5303c1cd289b4bae452674718c09fffdcea1751af55758a04395761f6528
