[INFO] crate rexpect 0.3.0 is already in cache
[INFO] checking rexpect-0.3.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate rexpect 0.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rexpect 0.3.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rexpect 0.3.0
[INFO] finished tweaking crates.io crate rexpect 0.3.0
[INFO] tweaked toml for crates.io crate rexpect 0.3.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 44936b0a30a1c3a7065cfe70a65722db85a9e0d2efc4b64edeb745415b8f79a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "44936b0a30a1c3a7065cfe70a65722db85a9e0d2efc4b64edeb745415b8f79a4"`
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking rexpect v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/process.rs:173:36
[INFO] [stderr]     |
[INFO] [stderr] 173 |     pub fn status(&self) -> Option<(wait::WaitStatus)> {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/process.rs:183:34
[INFO] [stderr]     |
[INFO] [stderr] 183 |     pub fn wait(&self) -> Result<(wait::WaitStatus)> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/session.rs:47:55
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn send_line(&mut self, line: &str) -> Result<(usize)> {
[INFO] [stderr]    |                                                       ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/session.rs:60:47
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn send(&mut self, s: &str) -> Result<(usize)> {
[INFO] [stderr]    |                                               ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/session.rs:72:16
[INFO] [stderr]    |
[INFO] [stderr] 72 |             'a'...'z' => c as u8 + 1 - 'a' as u8,
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/session.rs:73:16
[INFO] [stderr]    |
[INFO] [stderr] 73 |             'A'...'Z' => c as u8 + 1 - 'A' as u8,
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/session.rs:145:58
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn exp_string(&mut self, needle: &str) -> Result<(String)> {
[INFO] [stderr]     |                                                          ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/session.rs:434:75
[INFO] [stderr]     |
[INFO] [stderr] 434 |         }().unwrap_or_else(|e| panic!("test_kill_timeout failed: {}", e));;
[INFO] [stderr]     |                                                                           ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/process.rs:173:36
[INFO] [stderr]     |
[INFO] [stderr] 173 |     pub fn status(&self) -> Option<(wait::WaitStatus)> {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/process.rs:183:34
[INFO] [stderr]     |
[INFO] [stderr] 183 |     pub fn wait(&self) -> Result<(wait::WaitStatus)> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/session.rs:47:55
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn send_line(&mut self, line: &str) -> Result<(usize)> {
[INFO] [stderr]    |                                                       ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/session.rs:60:47
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn send(&mut self, s: &str) -> Result<(usize)> {
[INFO] [stderr]    |                                               ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/session.rs:72:16
[INFO] [stderr]    |
[INFO] [stderr] 72 |             'a'...'z' => c as u8 + 1 - 'a' as u8,
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/session.rs:73:16
[INFO] [stderr]    |
[INFO] [stderr] 73 |             'A'...'Z' => c as u8 + 1 - 'A' as u8,
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/session.rs:145:58
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn exp_string(&mut self, needle: &str) -> Result<(String)> {
[INFO] [stderr]     |                                                          ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.54s
[INFO] running `"docker" "inspect" "44936b0a30a1c3a7065cfe70a65722db85a9e0d2efc4b64edeb745415b8f79a4"`
[INFO] running `"docker" "rm" "-f" "44936b0a30a1c3a7065cfe70a65722db85a9e0d2efc4b64edeb745415b8f79a4"`
[INFO] [stdout] 44936b0a30a1c3a7065cfe70a65722db85a9e0d2efc4b64edeb745415b8f79a4