[INFO] cloning repository https://github.com/andrewaylett/regular
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewaylett/regular" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewaylett%2Fregular", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewaylett%2Fregular'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 868f6d5c6cdc088b3a51a1b2cc79525075bbe1d3
[INFO] checking andrewaylett/regular/868f6d5c6cdc088b3a51a1b2cc79525075bbe1d3 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewaylett%2Fregular" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewaylett/regular on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewaylett/regular
[INFO] finished tweaking git repo https://github.com/andrewaylett/regular
[INFO] tweaked toml for git repo https://github.com/andrewaylett/regular written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewaylett/regular 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" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking andrewaylett/regular/868f6d5c6cdc088b3a51a1b2cc79525075bbe1d3 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewaylett%2Fregular" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewaylett/regular on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewaylett/regular
[INFO] finished tweaking git repo https://github.com/andrewaylett/regular
[INFO] tweaked toml for git repo https://github.com/andrewaylett/regular written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewaylett/regular 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" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rstest v0.18.1
[INFO] [stderr]   Downloaded errno v0.3.2
[INFO] [stderr]   Downloaded clap_derive v4.3.12
[INFO] [stderr]   Downloaded pin-project-lite v0.2.11
[INFO] [stderr]   Downloaded cc v1.0.81
[INFO] [stderr]   Downloaded rstest_macros v0.18.1
[INFO] [stderr]   Downloaded relative-path v1.8.0
[INFO] [stderr]   Downloaded rustix v0.38.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48cae1390188e75526c59fd537a302574784dd16e5c0efa8541a03adf333c11c
[INFO] running `Command { std: "docker" "start" "-a" "48cae1390188e75526c59fd537a302574784dd16e5c0efa8541a03adf333c11c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48cae1390188e75526c59fd537a302574784dd16e5c0efa8541a03adf333c11c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48cae1390188e75526c59fd537a302574784dd16e5c0efa8541a03adf333c11c", kill_on_drop: false }`
[INFO] [stdout] 48cae1390188e75526c59fd537a302574784dd16e5c0efa8541a03adf333c11c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd69aca0574698b7e9fafd590d581b314679585b62a7b7aa778651018c109234
[INFO] running `Command { std: "docker" "start" "-a" "fd69aca0574698b7e9fafd590d581b314679585b62a7b7aa778651018c109234", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling rustix v0.38.7
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking pin-project-lite v0.2.11
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling relative-path v1.8.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rstest_macros v0.18.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.21
[INFO] [stderr]    Compiling regex-automata v0.3.6
[INFO] [stderr]    Compiling regex v1.9.3
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking clap v4.3.21
[INFO] [stderr]     Checking regular v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     private_in_public,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait `ClonableStringIterator` is never used
[INFO] [stdout]   --> src/expression.rs:5:7
[INFO] [stdout]    |
[INFO] [stdout] 5  | trait ClonableStringIterator: Iterator + Clone {}
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     unused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[deny(dead_code)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `std::hint::must_use` that must be used
[INFO] [stdout]   --> src/tree.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         trace!("Append Child, stack: {self:?}, child: {new:?}");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(unused_must_use)]` implied by `#[deny(unused)]`
[INFO] [stdout]    = note: this error originates in the macro `format` which comes from the expansion of the macro `trace` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `std::hint::must_use` that must be used
[INFO] [stdout]    --> src/tree.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         trace!("Appended Child, stack: {self:?}");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `format` which comes from the expansion of the macro `trace` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `std::hint::must_use` that must be used
[INFO] [stdout]    --> src/tree.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     trace!("Stack: {stack:?}, closing_bracket: {closing_bracket:?}, last_node: {last_node:?}");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `format` which comes from the expansion of the macro `trace` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `std::hint::must_use` that must be used
[INFO] [stdout]    --> src/tree.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |             trace!("Stack: {maybe_stack:?}, Last Node: {last_node:?}");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `format` which comes from the expansion of the macro `trace` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `std::hint::must_use` that must be used
[INFO] [stdout]    --> src/tree.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     trace!("Stack: {stack:?} Remaining Node: {remaining_node:?}");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `format` which comes from the expansion of the macro `trace` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `std::hint::must_use` that must be used
[INFO] [stdout]    --> src/tree.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |             trace!("Token: {token:?}, Stack: {stack:?}");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `format` which comes from the expansion of the macro `trace` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regular` (lib) due to 8 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fd69aca0574698b7e9fafd590d581b314679585b62a7b7aa778651018c109234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd69aca0574698b7e9fafd590d581b314679585b62a7b7aa778651018c109234", kill_on_drop: false }`
[INFO] [stdout] fd69aca0574698b7e9fafd590d581b314679585b62a7b7aa778651018c109234