[INFO] cloning repository https://github.com/marcorentap/preText [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcorentap/preText" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcorentap%2FpreText", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcorentap%2FpreText'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0ec8f0c9841988534d90c84ebb9ac78829534e0a [INFO] checking marcorentap/preText against nightly-2024-02-05 for check-cfg-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcorentap%2FpreText" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/marcorentap/preText on toolchain nightly-2024-02-05 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/marcorentap/preText [INFO] finished tweaking git repo https://github.com/marcorentap/preText [INFO] tweaked toml for git repo https://github.com/marcorentap/preText written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/marcorentap/preText 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded regex v1.9.1 [INFO] [stderr] Downloaded regex-automata v0.3.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e3a2b21cff746de2d5f57ee3c3ec7461ffa9607e591b98311b2d98abc9e66037 [INFO] running `Command { std: "docker" "start" "-a" "e3a2b21cff746de2d5f57ee3c3ec7461ffa9607e591b98311b2d98abc9e66037", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e3a2b21cff746de2d5f57ee3c3ec7461ffa9607e591b98311b2d98abc9e66037", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3a2b21cff746de2d5f57ee3c3ec7461ffa9607e591b98311b2d98abc9e66037", kill_on_drop: false }` [INFO] [stdout] e3a2b21cff746de2d5f57ee3c3ec7461ffa9607e591b98311b2d98abc9e66037 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7328d6c353bcdf92da3bd8aabe3cdc1c5dbb0371e8e0c45d624da90617af0487 [INFO] running `Command { std: "docker" "start" "-a" "7328d6c353bcdf92da3bd8aabe3cdc1c5dbb0371e8e0c45d624da90617af0487", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling rustix v0.38.4 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling smallvec v1.11.0 [INFO] [stderr] Checking bitflags v2.3.3 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling siphasher v0.3.10 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking linux-raw-sys v0.4.3 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling ena v0.14.2 [INFO] [stderr] Checking anstyle v1.0.1 [INFO] [stderr] Compiling pico-args v0.5.0 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling diff v0.1.13 [INFO] [stderr] Checking clap_lex v0.5.0 [INFO] [stderr] Compiling syn v2.0.27 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling petgraph v0.6.3 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling string_cache v0.8.7 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking anstream v0.3.2 [INFO] [stderr] Checking regex-automata v0.3.3 [INFO] [stderr] Checking clap_builder v4.3.19 [INFO] [stderr] Checking regex v1.9.1 [INFO] [stderr] Checking lalrpop-util v0.20.0 [INFO] [stderr] Compiling clap_derive v4.3.12 [INFO] [stderr] Compiling lalrpop v0.20.0 [INFO] [stderr] Checking clap v4.3.19 [INFO] [stderr] Compiling pretex v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> /opt/rustwide/target/debug/build/pretex-e48edd259df71a50/out/grammar.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> /opt/rustwide/target/debug/build/pretex-e48edd259df71a50/out/grammar.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/main.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let root = grammar::RootParser::new().parse(&file_content).unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/main.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let root = grammar::RootParser::new().parse(&file_content).unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.36s [INFO] running `Command { std: "docker" "inspect" "7328d6c353bcdf92da3bd8aabe3cdc1c5dbb0371e8e0c45d624da90617af0487", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7328d6c353bcdf92da3bd8aabe3cdc1c5dbb0371e8e0c45d624da90617af0487", kill_on_drop: false }` [INFO] [stdout] 7328d6c353bcdf92da3bd8aabe3cdc1c5dbb0371e8e0c45d624da90617af0487 [INFO] checking marcorentap/preText against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcorentap%2FpreText" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/marcorentap/preText on toolchain nightly-2024-02-05 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/marcorentap/preText [INFO] finished tweaking git repo https://github.com/marcorentap/preText [INFO] tweaked toml for git repo https://github.com/marcorentap/preText written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/marcorentap/preText 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1a91b81982a0722fd545d71926d7233a46deb1ce44bf25cd68984216cebf37d5 [INFO] running `Command { std: "docker" "start" "-a" "1a91b81982a0722fd545d71926d7233a46deb1ce44bf25cd68984216cebf37d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a91b81982a0722fd545d71926d7233a46deb1ce44bf25cd68984216cebf37d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a91b81982a0722fd545d71926d7233a46deb1ce44bf25cd68984216cebf37d5", kill_on_drop: false }` [INFO] [stdout] 1a91b81982a0722fd545d71926d7233a46deb1ce44bf25cd68984216cebf37d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunexpected_cfgs" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }` [INFO] [stdout] 56f8288056edf88dce80a291a18f8a2a765b58a1628f7ec50ccc91e810b17d73 [INFO] running `Command { std: "docker" "start" "-a" "56f8288056edf88dce80a291a18f8a2a765b58a1628f7ec50ccc91e810b17d73", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling rustix v0.38.4 [INFO] [stderr] Compiling smallvec v1.11.0 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling bitflags v2.3.3 [INFO] [stderr] Compiling linux-raw-sys v0.4.3 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling siphasher v0.3.10 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling ena v0.14.2 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Checking anstyle v1.0.1 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling pico-args v0.5.0 [INFO] [stderr] Compiling diff v0.1.13 [INFO] [stderr] Checking clap_lex v0.5.0 [INFO] [stderr] Compiling syn v2.0.27 [INFO] [stderr] Checking regex-automata v0.3.3 [INFO] [stderr] Compiling is-terminal v0.4.9 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling petgraph v0.6.3 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Checking anstream v0.3.2 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Checking clap_builder v4.3.19 [INFO] [stderr] Compiling string_cache v0.8.7 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Checking regex v1.9.1 [INFO] [stderr] Checking lalrpop-util v0.20.0 [INFO] [stderr] Compiling clap_derive v4.3.12 [INFO] [stderr] Compiling lalrpop v0.20.0 [INFO] [stderr] Checking clap v4.3.19 [INFO] [stderr] Compiling pretex v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt` [INFO] [stdout] --> /opt/rustwide/target/debug/build/pretex-e48edd259df71a50/out/grammar.rs:95837:12 [INFO] [stdout] | [INFO] [stdout] 95837 | #[cfg_attr(rustfmt, rustfmt_skip)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows` [INFO] [stdout] = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: requested on the command line with `-D unexpected-cfgs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> /opt/rustwide/target/debug/build/pretex-e48edd259df71a50/out/grammar.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt` [INFO] [stdout] --> /opt/rustwide/target/debug/build/pretex-e48edd259df71a50/out/grammar.rs:95837:12 [INFO] [stdout] | [INFO] [stdout] 95837 | #[cfg_attr(rustfmt, rustfmt_skip)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows` [INFO] [stdout] = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: requested on the command line with `-D unexpected-cfgs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> /opt/rustwide/target/debug/build/pretex-e48edd259df71a50/out/grammar.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/main.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let root = grammar::RootParser::new().parse(&file_content).unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/main.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let root = grammar::RootParser::new().parse(&file_content).unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pretex` (bin "pretex" test) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pretex` (bin "pretex") due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "56f8288056edf88dce80a291a18f8a2a765b58a1628f7ec50ccc91e810b17d73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56f8288056edf88dce80a291a18f8a2a765b58a1628f7ec50ccc91e810b17d73", kill_on_drop: false }` [INFO] [stdout] 56f8288056edf88dce80a291a18f8a2a765b58a1628f7ec50ccc91e810b17d73