[INFO] fetching crate file_transfer 0.1.1...
[INFO] testing file_transfer-0.1.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate file_transfer 0.1.1 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate file_transfer 0.1.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-94/source/Cargo.toml
[INFO] crate crates.io crate file_transfer 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f08271bbdcfa360b3d3bf836cbb0f78b45559a0a09be7fe318f2107d9945322
[INFO] running `Command { std: "docker" "start" "-a" "6f08271bbdcfa360b3d3bf836cbb0f78b45559a0a09be7fe318f2107d9945322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f08271bbdcfa360b3d3bf836cbb0f78b45559a0a09be7fe318f2107d9945322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f08271bbdcfa360b3d3bf836cbb0f78b45559a0a09be7fe318f2107d9945322", kill_on_drop: false }`
[INFO] [stdout] 6f08271bbdcfa360b3d3bf836cbb0f78b45559a0a09be7fe318f2107d9945322
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f63e56c73305a2ba4f652367befb53edf97abd25aa5d9f07220deb668c6ce431
[INFO] running `Command { std: "docker" "start" "-a" "f63e56c73305a2ba4f652367befb53edf97abd25aa5d9f07220deb668c6ce431", 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)]` 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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "f63e56c73305a2ba4f652367befb53edf97abd25aa5d9f07220deb668c6ce431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f63e56c73305a2ba4f652367befb53edf97abd25aa5d9f07220deb668c6ce431", kill_on_drop: false }`
[INFO] [stdout] f63e56c73305a2ba4f652367befb53edf97abd25aa5d9f07220deb668c6ce431
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91d74c67a983d506884eea7dae2213751a549ada43f5b7b313b698ee6638d420
[INFO] running `Command { std: "docker" "start" "-a" "91d74c67a983d506884eea7dae2213751a549ada43f5b7b313b698ee6638d420", 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)]` 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: 2 warnings emitted
[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)]` 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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "91d74c67a983d506884eea7dae2213751a549ada43f5b7b313b698ee6638d420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d74c67a983d506884eea7dae2213751a549ada43f5b7b313b698ee6638d420", kill_on_drop: false }`
[INFO] [stdout] 91d74c67a983d506884eea7dae2213751a549ada43f5b7b313b698ee6638d420
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 795dd28ed63c70d5dbf70554d2114b01526448ddf8f43b4aecec8485fcdad67c
[INFO] running `Command { std: "docker" "start" "-a" "795dd28ed63c70d5dbf70554d2114b01526448ddf8f43b4aecec8485fcdad67c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stdout] 
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]  --> src/ftp.rs:5:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `file_transfer` (lib) generated 2 warnings
[INFO] [stderr] warning: `file_transfer` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/file_transfer-8e688bd557455a05)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/client_main-018837cad62478e2)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/host_main-4588e033cdd5319a)
[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::get_ip_file (line 95) ... FAILED
[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] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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] ---- 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]   |           ^^^ not found in this scope
[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]   |                                      ^^^^ 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: 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]   |           ^^^ not found in this scope
[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]   |                                      ^^^^ 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: 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]   |           ^^^ not found in this scope
[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]   |                                      ^^^^ 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: 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] 
[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 0.09s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "795dd28ed63c70d5dbf70554d2114b01526448ddf8f43b4aecec8485fcdad67c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795dd28ed63c70d5dbf70554d2114b01526448ddf8f43b4aecec8485fcdad67c", kill_on_drop: false }`
[INFO] [stdout] 795dd28ed63c70d5dbf70554d2114b01526448ddf8f43b4aecec8485fcdad67c
