[INFO] updating cached repository https://github.com/aep/zz [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] [stderr] From https://github.com/aep/zz [INFO] [stderr] - [deleted] (none) -> repos [INFO] [stderr] - [deleted] (none) -> symbols [INFO] [stderr] - [deleted] (none) -> tailfix [INFO] [stderr] - [deleted] (none) -> unbreak_carrier_test [INFO] [stderr] * [new branch] for-master -> for-master [INFO] [stderr] e46f3da..0df97f5 master -> master [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0df97f5d78ec6056035f09ef3a04c3a5c0761290 [INFO] testing aep/zz against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faep%2Fzz" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aep/zz on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/aep/zz [INFO] finished tweaking git repo https://github.com/aep/zz [INFO] tweaked toml for git repo https://github.com/aep/zz written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/aep/zz already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 99e272185fee54ec3141bd8330d5d001405ed0324ebd4d313b1224d99bbaecb7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "99e272185fee54ec3141bd8330d5d001405ed0324ebd4d313b1224d99bbaecb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "99e272185fee54ec3141bd8330d5d001405ed0324ebd4d313b1224d99bbaecb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99e272185fee54ec3141bd8330d5d001405ed0324ebd4d313b1224d99bbaecb7", kill_on_drop: false }` [INFO] [stdout] 99e272185fee54ec3141bd8330d5d001405ed0324ebd4d313b1224d99bbaecb7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a02289db7078fd4986253fab7e917598ef621ae64342342c1b0ad0cde3955833 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a02289db7078fd4986253fab7e917598ef621ae64342342c1b0ad0cde3955833", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling metrohash v1.0.6 [INFO] [stderr] Compiling pathdiff v0.2.0 [INFO] [stderr] Compiling nom v5.1.1 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Compiling unicode-normalization v0.1.12 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling backtrace-sys v0.1.37 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling backtrace v0.3.46 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Compiling pbr v1.0.2 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling rsmt2 v0.11.0 (https://github.com/kino-mc/rsmt2?rev=ebce2e4#ebce2e40) [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling rmp v0.8.9 [INFO] [stderr] Compiling sha2 v0.8.1 [INFO] [stderr] Compiling regex v1.3.7 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling toml v0.5.6 [INFO] [stderr] Compiling serde_json v1.0.52 [INFO] [stderr] Compiling rmp-serde v0.14.3 [INFO] [stderr] Compiling askama_shared v0.9.1 [INFO] [stderr] Compiling askama_derive v0.9.0 [INFO] [stderr] Compiling askama v0.9.0 [INFO] [stderr] Compiling zz v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/loader.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/pipeline.rs:378:9 [INFO] [stdout] | [INFO] [stdout] 378 | std::mem::replace(&mut *self.pb.lock().unwrap(), pb); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/main.rs:197:18 [INFO] [stdout] | [INFO] [stdout] 197 | let (root, mut project) = zz::project::load_cwd(); [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:367:18 [INFO] [stdout] | [INFO] [stdout] 367 | let (root, mut project) = zz::project::load_cwd(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/main.rs:399:18 [INFO] [stdout] | [INFO] [stdout] 399 | let (root, mut project) = zz::project::load_cwd(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 54s [INFO] running `Command { std: "docker" "inspect" "a02289db7078fd4986253fab7e917598ef621ae64342342c1b0ad0cde3955833", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a02289db7078fd4986253fab7e917598ef621ae64342342c1b0ad0cde3955833", kill_on_drop: false }` [INFO] [stdout] a02289db7078fd4986253fab7e917598ef621ae64342342c1b0ad0cde3955833 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 35c5da342e8e24e7dd0c5ac9547b3183e01288e45691b570afc9c425ecf46d47 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "35c5da342e8e24e7dd0c5ac9547b3183e01288e45691b570afc9c425ecf46d47", kill_on_drop: false }` [INFO] [stderr] Compiling zz v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/loader.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/pipeline.rs:378:9 [INFO] [stdout] | [INFO] [stdout] 378 | std::mem::replace(&mut *self.pb.lock().unwrap(), pb); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/main.rs:197:18 [INFO] [stdout] | [INFO] [stdout] 197 | let (root, mut project) = zz::project::load_cwd(); [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:367:18 [INFO] [stdout] | [INFO] [stdout] 367 | let (root, mut project) = zz::project::load_cwd(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/main.rs:399:18 [INFO] [stdout] | [INFO] [stdout] 399 | let (root, mut project) = zz::project::load_cwd(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/loader.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/pipeline.rs:378:9 [INFO] [stdout] | [INFO] [stdout] 378 | std::mem::replace(&mut *self.pb.lock().unwrap(), pb); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 14.49s [INFO] running `Command { std: "docker" "inspect" "35c5da342e8e24e7dd0c5ac9547b3183e01288e45691b570afc9c425ecf46d47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35c5da342e8e24e7dd0c5ac9547b3183e01288e45691b570afc9c425ecf46d47", kill_on_drop: false }` [INFO] [stdout] 35c5da342e8e24e7dd0c5ac9547b3183e01288e45691b570afc9c425ecf46d47 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 715c0d2dbcb328214c913de4848f6efdca14201d6a85fb6ff3754f7ba21a8dc0 [INFO] running `Command { std: "docker" "start" "-a" "715c0d2dbcb328214c913de4848f6efdca14201d6a85fb6ff3754f7ba21a8dc0", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::io::Write` [INFO] [stderr] --> src/loader.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::io::Write; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/pipeline.rs:378:9 [INFO] [stderr] | [INFO] [stderr] 378 | std::mem::replace(&mut *self.pb.lock().unwrap(), pb); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Write` [INFO] [stderr] --> src/loader.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::io::Write; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/pipeline.rs:378:9 [INFO] [stderr] | [INFO] [stderr] 378 | std::mem::replace(&mut *self.pb.lock().unwrap(), pb); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `root` [INFO] [stderr] --> src/main.rs:197:18 [INFO] [stderr] | [INFO] [stderr] 197 | let (root, mut project) = zz::project::load_cwd(); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `root` [INFO] [stderr] --> src/main.rs:367:18 [INFO] [stderr] | [INFO] [stderr] 367 | let (root, mut project) = zz::project::load_cwd(); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `root` [INFO] [stderr] --> src/main.rs:399:18 [INFO] [stderr] | [INFO] [stderr] 399 | let (root, mut project) = zz::project::load_cwd(); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.53s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/zz-4953b7a531cbc5c1 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/zz-0d318a39b61792f1 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests zz [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "715c0d2dbcb328214c913de4848f6efdca14201d6a85fb6ff3754f7ba21a8dc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "715c0d2dbcb328214c913de4848f6efdca14201d6a85fb6ff3754f7ba21a8dc0", kill_on_drop: false }` [INFO] [stdout] 715c0d2dbcb328214c913de4848f6efdca14201d6a85fb6ff3754f7ba21a8dc0