[INFO] crate csv_reader 0.1.1 is already in cache
[INFO] testing csv_reader-0.1.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate csv_reader 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate csv_reader 0.1.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate csv_reader 0.1.1
[INFO] finished tweaking crates.io crate csv_reader 0.1.1
[INFO] tweaked toml for crates.io crate csv_reader 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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" "+1.44.0" "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] d8eb279a6322b01eaad9ab349b7594113e0dfc9f2ae09dbb7e5eac17cf4976cc
[INFO] running `"docker" "start" "-a" "d8eb279a6322b01eaad9ab349b7594113e0dfc9f2ae09dbb7e5eac17cf4976cc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling csv_reader v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/file_help.rs:19:38
[INFO] [stderr]    |
[INFO] [stderr] 19 |         Err(why) => panic!("{}", why.description())
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/file_help.rs:26:38
[INFO] [stderr]    |
[INFO] [stderr] 26 |         Err(why) => panic!("{}", why.description())
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/file_help.rs:38:38
[INFO] [stderr]    |
[INFO] [stderr] 38 |         Err(why) => panic!("{}", why.description())
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut content = file_help::read(&mut self.file);
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create`
[INFO] [stderr]   --> src/file_help.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn create(direc: String, name: String, extension: String) -> File {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write`
[INFO] [stderr]   --> src/file_help.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn write(file: &mut File, content: &String) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `delete`
[INFO] [stderr]   --> src/file_help.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn delete(direc: String, name: String, extension: String) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/file_help.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     file.write_all(content.as_bytes());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/file_help.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "d8eb279a6322b01eaad9ab349b7594113e0dfc9f2ae09dbb7e5eac17cf4976cc"`
[INFO] running `"docker" "rm" "-f" "d8eb279a6322b01eaad9ab349b7594113e0dfc9f2ae09dbb7e5eac17cf4976cc"`
[INFO] [stdout] d8eb279a6322b01eaad9ab349b7594113e0dfc9f2ae09dbb7e5eac17cf4976cc
[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" "+1.44.0" "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] caa9400d3d3f4ab24b6bfc608f410516f44002d905682d8536aab3eb06376cbb
[INFO] running `"docker" "start" "-a" "caa9400d3d3f4ab24b6bfc608f410516f44002d905682d8536aab3eb06376cbb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling csv_reader v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/file_help.rs:19:38
[INFO] [stderr]    |
[INFO] [stderr] 19 |         Err(why) => panic!("{}", why.description())
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/file_help.rs:26:38
[INFO] [stderr]    |
[INFO] [stderr] 26 |         Err(why) => panic!("{}", why.description())
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/file_help.rs:38:38
[INFO] [stderr]    |
[INFO] [stderr] 38 |         Err(why) => panic!("{}", why.description())
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut content = file_help::read(&mut self.file);
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create`
[INFO] [stderr]   --> src/file_help.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn create(direc: String, name: String, extension: String) -> File {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write`
[INFO] [stderr]   --> src/file_help.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn write(file: &mut File, content: &String) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `delete`
[INFO] [stderr]   --> src/file_help.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn delete(direc: String, name: String, extension: String) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/file_help.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     file.write_all(content.as_bytes());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/file_help.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "caa9400d3d3f4ab24b6bfc608f410516f44002d905682d8536aab3eb06376cbb"`
[INFO] running `"docker" "rm" "-f" "caa9400d3d3f4ab24b6bfc608f410516f44002d905682d8536aab3eb06376cbb"`
[INFO] [stdout] caa9400d3d3f4ab24b6bfc608f410516f44002d905682d8536aab3eb06376cbb
[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" "+1.44.0" "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] ba4d906d6a939fceba65ea39c96d497818884dfee40e1d2543617adea3809765
[INFO] running `"docker" "start" "-a" "ba4d906d6a939fceba65ea39c96d497818884dfee40e1d2543617adea3809765"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/file_help.rs:19:38
[INFO] [stderr]    |
[INFO] [stderr] 19 |         Err(why) => panic!("{}", why.description())
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/file_help.rs:26:38
[INFO] [stderr]    |
[INFO] [stderr] 26 |         Err(why) => panic!("{}", why.description())
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/file_help.rs:38:38
[INFO] [stderr]    |
[INFO] [stderr] 38 |         Err(why) => panic!("{}", why.description())
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut content = file_help::read(&mut self.file);
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create`
[INFO] [stderr]   --> src/file_help.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn create(direc: String, name: String, extension: String) -> File {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write`
[INFO] [stderr]   --> src/file_help.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn write(file: &mut File, content: &String) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `delete`
[INFO] [stderr]   --> src/file_help.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn delete(direc: String, name: String, extension: String) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/file_help.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     file.write_all(content.as_bytes());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/file_help.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/csv_reader-30c8de62a87654c8
[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] running `"docker" "inspect" "ba4d906d6a939fceba65ea39c96d497818884dfee40e1d2543617adea3809765"`
[INFO] running `"docker" "rm" "-f" "ba4d906d6a939fceba65ea39c96d497818884dfee40e1d2543617adea3809765"`
[INFO] [stdout] ba4d906d6a939fceba65ea39c96d497818884dfee40e1d2543617adea3809765