[INFO] fetching crate rexpect 0.6.2...
[INFO] testing rexpect-0.6.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate rexpect 0.6.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rexpect 0.6.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rexpect 0.6.2
[INFO] tweaked toml for crates.io crate rexpect 0.6.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rexpect 0.6.2 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rexpect 0.6.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.30.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a962647e78e3da12cb73b758e36bec729f55c65d73c672be9a241eaf790ab095
[INFO] running `Command { std: "docker" "start" "-a" "a962647e78e3da12cb73b758e36bec729f55c65d73c672be9a241eaf790ab095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a962647e78e3da12cb73b758e36bec729f55c65d73c672be9a241eaf790ab095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a962647e78e3da12cb73b758e36bec729f55c65d73c672be9a241eaf790ab095", kill_on_drop: false }`
[INFO] [stdout] a962647e78e3da12cb73b758e36bec729f55c65d73c672be9a241eaf790ab095
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 17727ec3c9167b87f78692942deb47320ecf58a7a123a8feb8540a59befd7992
[INFO] running `Command { std: "docker" "start" "-a" "17727ec3c9167b87f78692942deb47320ecf58a7a123a8feb8540a59befd7992", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling memchr v2.6.2
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling thiserror v2.0.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling comma v1.0.0
[INFO] [stderr]    Compiling nix v0.30.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling regex-automata v0.3.9
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling regex v1.9.6
[INFO] [stderr]    Compiling thiserror-impl v2.0.3
[INFO] [stderr]    Compiling rexpect v0.6.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/process.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 command.exec();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 let _ = command.exec();
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.85s
[INFO] running `Command { std: "docker" "inspect" "17727ec3c9167b87f78692942deb47320ecf58a7a123a8feb8540a59befd7992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17727ec3c9167b87f78692942deb47320ecf58a7a123a8feb8540a59befd7992", kill_on_drop: false }`
[INFO] [stdout] 17727ec3c9167b87f78692942deb47320ecf58a7a123a8feb8540a59befd7992
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] f174b67dca2c329b2368d8d3d7077208c4ed7b725f937b41dbfd48fb643bae14
[INFO] running `Command { std: "docker" "start" "-a" "f174b67dca2c329b2368d8d3d7077208c4ed7b725f937b41dbfd48fb643bae14", kill_on_drop: false }`
[INFO] [stderr]    Compiling rexpect v0.6.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/process.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 command.exec();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 let _ = command.exec();
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/process.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 command.exec();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 let _ = command.exec();
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `Command { std: "docker" "inspect" "f174b67dca2c329b2368d8d3d7077208c4ed7b725f937b41dbfd48fb643bae14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f174b67dca2c329b2368d8d3d7077208c4ed7b725f937b41dbfd48fb643bae14", kill_on_drop: false }`
[INFO] [stdout] f174b67dca2c329b2368d8d3d7077208c4ed7b725f937b41dbfd48fb643bae14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c48f6c1d270d41780e1ea9ca9a7d87277417f5654f6895398246b6163a9e13d6
[INFO] running `Command { std: "docker" "start" "-a" "c48f6c1d270d41780e1ea9ca9a7d87277417f5654f6895398246b6163a9e13d6", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `exec` that must be used
[INFO] [stderr]    --> src/process.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 command.exec();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 let _ = command.exec();
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rexpect` (lib) generated 1 warning
[INFO] [stderr] warning: `rexpect` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rexpect-d4c3a2e40e9780c7)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test session::tests::test_expect_empty_command_error ... ok
[INFO] [stdout] test reader::tests::test_regex2 ... ok
[INFO] [stdout] test reader::tests::test_regex ... ok
[INFO] [stdout] test reader::tests::test_any_with_same_start_different_length ... ok
[INFO] [stdout] test reader::tests::test_skip_partial_ansi_code ... ok
[INFO] [stdout] test reader::tests::test_nbytes ... ok
[INFO] [stdout] test reader::tests::test_try_read ... ok
[INFO] [stdout] test reader::tests::test_skip_ansi_codes ... ok
[INFO] [stdout] test reader::tests::test_expect_melon ... ok
[INFO] [stdout] test session::tests::test_tokenize_command ... ok
[INFO] [stdout] test reader::tests::test_any_with_multiple_possible_matches ... ok
[INFO] [stdout] test reader::tests::test_eof ... ok
[INFO] [stdout] test process::tests::test_cat ... ok
[INFO] [stdout] test session::tests::test_expect_any ... ok
[INFO] [stdout] test session::tests::test_read_line ... ok
[INFO] [stdout] test session::tests::test_read_string_before ... ok
[INFO] [stdout] test session::tests::test_expect_string ... ok
[INFO] [stdout] test session::tests::test_expect_eof_timeout ... ok
[INFO] [stdout] test session::tests::test_expect_eof_timeout2 ... ok
[INFO] [stdout] test session::tests::test_kill_timeout ... ok
[INFO] [stdout] test session::tests::test_bash ... ok
[INFO] [stdout] test session::tests::test_bash_control_chars ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c48f6c1d270d41780e1ea9ca9a7d87277417f5654f6895398246b6163a9e13d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c48f6c1d270d41780e1ea9ca9a7d87277417f5654f6895398246b6163a9e13d6", kill_on_drop: false }`
[INFO] [stdout] c48f6c1d270d41780e1ea9ca9a7d87277417f5654f6895398246b6163a9e13d6