[INFO] fetching crate file_transfer 0.1.1...
[INFO] testing file_transfer-0.1.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate file_transfer 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate file_transfer 0.1.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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/source/Cargo.toml
[INFO] crate crates.io crate file_transfer 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 76c73e3f4a9af3eae09fc25b301d9a552141deb48b6f0691ea7042aaafe06e39
[INFO] running `"docker" "start" "-a" "76c73e3f4a9af3eae09fc25b301d9a552141deb48b6f0691ea7042aaafe06e39"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling file_transfer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/ftp.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` 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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "76c73e3f4a9af3eae09fc25b301d9a552141deb48b6f0691ea7042aaafe06e39"`
[INFO] running `"docker" "rm" "-f" "76c73e3f4a9af3eae09fc25b301d9a552141deb48b6f0691ea7042aaafe06e39"`
[INFO] [stdout] 76c73e3f4a9af3eae09fc25b301d9a552141deb48b6f0691ea7042aaafe06e39
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] abbc84adce0c378c6743d2268ba4d5b23520d3a9cb41bf773bad573ce5cf2d6d
[INFO] running `"docker" "start" "-a" "abbc84adce0c378c6743d2268ba4d5b23520d3a9cb41bf773bad573ce5cf2d6d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling file_transfer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/ftp.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` 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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/ftp.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` 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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "abbc84adce0c378c6743d2268ba4d5b23520d3a9cb41bf773bad573ce5cf2d6d"`
[INFO] running `"docker" "rm" "-f" "abbc84adce0c378c6743d2268ba4d5b23520d3a9cb41bf773bad573ce5cf2d6d"`
[INFO] [stdout] abbc84adce0c378c6743d2268ba4d5b23520d3a9cb41bf773bad573ce5cf2d6d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cdc53e4ef37e85c1296f0583c873cafe03c38a14d03ac7697b245f193c9e232f
[INFO] running `"docker" "start" "-a" "cdc53e4ef37e85c1296f0583c873cafe03c38a14d03ac7697b245f193c9e232f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/ftp.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` 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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/ftp.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` 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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_transfer-282440d42ea510e5
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/client_main-120866e04126c711
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/host_main-de050ec58274f832
[INFO] [stderr]    Doc-tests file_transfer
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/ftp.rs - ftp::FTP::send (line 43) ... FAILED
[INFO] [stdout] test src/ftp.rs - ftp::FTP::new (line 25) ... FAILED
[INFO] [stdout] test src/ftp.rs - ftp::FTP::get_ip_file (line 95) ... 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::send (line 43) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `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 or module `FTP`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `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 or module `File`
[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::new (line 25) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `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 or module `FTP`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `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 or module `File`
[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] ---- src/ftp.rs - ftp::FTP::recv (line 67) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `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 or module `FTP`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `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 or module `File`
[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
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "cdc53e4ef37e85c1296f0583c873cafe03c38a14d03ac7697b245f193c9e232f"`
[INFO] running `"docker" "rm" "-f" "cdc53e4ef37e85c1296f0583c873cafe03c38a14d03ac7697b245f193c9e232f"`
[INFO] [stdout] cdc53e4ef37e85c1296f0583c873cafe03c38a14d03ac7697b245f193c9e232f