[INFO] updating cached repository https://github.com/philippkeller/rexpect
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 30bfb3ed0ac864c6ba692272e7f8819e64d47a8c
[INFO] checking philippkeller/rexpect against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilippkeller%2Frexpect" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/philippkeller/rexpect on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/philippkeller/rexpect
[INFO] finished tweaking git repo https://github.com/philippkeller/rexpect
[INFO] tweaked toml for git repo https://github.com/philippkeller/rexpect written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/philippkeller/rexpect already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7d88557cdbac6798a594650c5c8b7437f08e6b2a906530b4dbf4b296a9f4e668
[INFO] running `"docker" "start" "-a" "7d88557cdbac6798a594650c5c8b7437f08e6b2a906530b4dbf4b296a9f4e668"`
[INFO] [stderr]     Checking backtrace-sys v0.1.14
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking backtrace v0.3.3
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking rexpect v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/process.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     /// the buffer size on OSX is 128, defined by sys/ttycom.h
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 78 |     let buf: [i8; 128] = [0; 128];
[INFO] [stderr]    |     ------------------------------ rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/process.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     /// the buffer size on OSX is 128, defined by sys/ttycom.h
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 78 |     let buf: [i8; 128] = [0; 128];
[INFO] [stderr]    |     ------------------------------ rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[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 trailing semicolon
[INFO] [stderr]    --> src/session.rs:502:75
[INFO] [stderr]     |
[INFO] [stderr] 502 |         }().unwrap_or_else(|e| panic!("test_kill_timeout failed: {}", e));;
[INFO] [stderr]     |                                                                           ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[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]     Finished dev [unoptimized + debuginfo] target(s) in 12.63s
[INFO] running `"docker" "inspect" "7d88557cdbac6798a594650c5c8b7437f08e6b2a906530b4dbf4b296a9f4e668"`
[INFO] running `"docker" "rm" "-f" "7d88557cdbac6798a594650c5c8b7437f08e6b2a906530b4dbf4b296a9f4e668"`
[INFO] [stdout] 7d88557cdbac6798a594650c5c8b7437f08e6b2a906530b4dbf4b296a9f4e668