[INFO] cloning repository https://github.com/121601571/rust_dicttree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/121601571/rust_dicttree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F121601571%2Frust_dicttree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F121601571%2Frust_dicttree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4cdd1d20ccfb8525bf564fb69206df89d54031bf [INFO] testing 121601571/rust_dicttree against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F121601571%2Frust_dicttree" "/workspace/builds/worker-62/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/121601571/rust_dicttree on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/121601571/rust_dicttree [INFO] finished tweaking git repo https://github.com/121601571/rust_dicttree [INFO] tweaked toml for git repo https://github.com/121601571/rust_dicttree written to /workspace/builds/worker-62/source/Cargo.toml [INFO] crate git repo https://github.com/121601571/rust_dicttree already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 35ca5d44c323454436020d18b79faee8456b18676db915e883b3cbf5bd31f738 [INFO] running `Command { std: "docker" "start" "-a" "35ca5d44c323454436020d18b79faee8456b18676db915e883b3cbf5bd31f738", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "35ca5d44c323454436020d18b79faee8456b18676db915e883b3cbf5bd31f738", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35ca5d44c323454436020d18b79faee8456b18676db915e883b3cbf5bd31f738", kill_on_drop: false }` [INFO] [stdout] 35ca5d44c323454436020d18b79faee8456b18676db915e883b3cbf5bd31f738 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bbc171699c230776485e4c60a61cfb9ed92377a233e484f5d3bc821cd9c1e2d5 [INFO] running `Command { std: "docker" "start" "-a" "bbc171699c230776485e4c60a61cfb9ed92377a233e484f5d3bc821cd9c1e2d5", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling parking_lot_core v0.9.2 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling tracing-core v0.1.25 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling sharded-slab v0.1.4 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling thread_local v1.1.4 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Compiling getrandom v0.2.6 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling mio v0.8.2 [INFO] [stderr] Compiling atoi v0.3.3 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Compiling async-stream-impl v0.3.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling tracing v0.1.33 [INFO] [stderr] Compiling tracing-log v0.1.2 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling parking_lot v0.12.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling tokio v1.17.0 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling async-stream v0.3.3 [INFO] [stderr] Compiling pin-project v1.0.10 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling tracing-futures v0.2.5 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling tracing-serde v0.1.3 [INFO] [stderr] Compiling structopt v0.3.26 [INFO] [stderr] Compiling tracing-subscriber v0.2.25 [INFO] [stderr] Compiling tokio-stream v0.1.8 [INFO] [stderr] Compiling mini-redis v0.4.1 [INFO] [stderr] Compiling dict_tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | let mut res = vec![]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | let mut res = vec![]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `val` [INFO] [stdout] --> src/lib.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | val: char, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `MyTree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:2:14 [INFO] [stdout] | [INFO] [stdout] 2 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `suffix` [INFO] [stdout] --> src/lib.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | suffix: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `MyTree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:2:14 [INFO] [stdout] | [INFO] [stdout] 2 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `endpoint` [INFO] [stdout] --> src/lib.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | endpoint: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `MyTree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:2:14 [INFO] [stdout] | [INFO] [stdout] 2 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `contains_value` [INFO] [stdout] --> src/lib.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | fn contains_value(&self, input: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `find_suffix` [INFO] [stdout] --> src/lib.rs:22:16 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn find_suffix(&mut self, input: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter_self_values_dry` [INFO] [stdout] --> src/lib.rs:59:16 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn iter_self_values_dry(&self) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter_self_values` [INFO] [stdout] --> src/lib.rs:73:12 [INFO] [stdout] | [INFO] [stdout] 73 | fn iter_self_values(&self, contains_self: bool) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter_value_node` [INFO] [stdout] --> src/lib.rs:99:12 [INFO] [stdout] | [INFO] [stdout] 99 | fn iter_value_node(&mut self, input: char) -> &mut MyTree { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:110:16 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn new(node_val: char, ep: bool) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `contains_whole` [INFO] [stdout] --> src/lib.rs:118:16 [INFO] [stdout] | [INFO] [stdout] 118 | pub fn contains_whole(&mut self, input: Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_chars` [INFO] [stdout] --> src/lib.rs:133:16 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn add_chars(&mut self, input: Vec) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `random_gen` [INFO] [stdout] --> src/mass_test.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn random_gen() -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `mass_gen` [INFO] [stdout] --> src/mass_test.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn mass_gen(sum1: u32) -> Vec> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.63s [INFO] running `Command { std: "docker" "inspect" "bbc171699c230776485e4c60a61cfb9ed92377a233e484f5d3bc821cd9c1e2d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbc171699c230776485e4c60a61cfb9ed92377a233e484f5d3bc821cd9c1e2d5", kill_on_drop: false }` [INFO] [stdout] bbc171699c230776485e4c60a61cfb9ed92377a233e484f5d3bc821cd9c1e2d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f8fa8d7977b7cb1c30b64009b20f073d51d0060a2f822585a677d6d71d2d86c1 [INFO] running `Command { std: "docker" "start" "-a" "f8fa8d7977b7cb1c30b64009b20f073d51d0060a2f822585a677d6d71d2d86c1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling dict_tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | let mut res = vec![]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | let mut res = vec![]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | let mut res = vec![]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `val` [INFO] [stdout] --> src/lib.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | val: char, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `MyTree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:2:14 [INFO] [stdout] | [INFO] [stdout] 2 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `suffix` [INFO] [stdout] --> src/lib.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | suffix: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `MyTree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:2:14 [INFO] [stdout] | [INFO] [stdout] 2 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `endpoint` [INFO] [stdout] --> src/lib.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | endpoint: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `MyTree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:2:14 [INFO] [stdout] | [INFO] [stdout] 2 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `contains_value` [INFO] [stdout] --> src/lib.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | fn contains_value(&self, input: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `find_suffix` [INFO] [stdout] --> src/lib.rs:22:16 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn find_suffix(&mut self, input: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter_self_values_dry` [INFO] [stdout] --> src/lib.rs:59:16 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn iter_self_values_dry(&self) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter_self_values` [INFO] [stdout] --> src/lib.rs:73:12 [INFO] [stdout] | [INFO] [stdout] 73 | fn iter_self_values(&self, contains_self: bool) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter_value_node` [INFO] [stdout] --> src/lib.rs:99:12 [INFO] [stdout] | [INFO] [stdout] 99 | fn iter_value_node(&mut self, input: char) -> &mut MyTree { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:110:16 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn new(node_val: char, ep: bool) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `contains_whole` [INFO] [stdout] --> src/lib.rs:118:16 [INFO] [stdout] | [INFO] [stdout] 118 | pub fn contains_whole(&mut self, input: Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_chars` [INFO] [stdout] --> src/lib.rs:133:16 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn add_chars(&mut self, input: Vec) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `random_gen` [INFO] [stdout] --> src/mass_test.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn random_gen() -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `mass_gen` [INFO] [stdout] --> src/mass_test.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn mass_gen(sum1: u32) -> Vec> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 13.84s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/dict_tree-4ccb371ffa704ba8) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/dict_tree-6250efa521a654f4) [INFO] running `Command { std: "docker" "inspect" "f8fa8d7977b7cb1c30b64009b20f073d51d0060a2f822585a677d6d71d2d86c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8fa8d7977b7cb1c30b64009b20f073d51d0060a2f822585a677d6d71d2d86c1", kill_on_drop: false }` [INFO] [stdout] f8fa8d7977b7cb1c30b64009b20f073d51d0060a2f822585a677d6d71d2d86c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2b7c739bf5c9a2314b99fcaa6eda90f2be80833900ba1df9badcc5c90de57fee [INFO] running `Command { std: "docker" "start" "-a" "2b7c739bf5c9a2314b99fcaa6eda90f2be80833900ba1df9badcc5c90de57fee", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:23:17 [INFO] [stderr] | [INFO] [stderr] 23 | let mut res = vec![]; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `dict_tree` (lib) generated 1 warning [INFO] [stderr] warning: `dict_tree` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: field is never read: `val` [INFO] [stderr] --> src/lib.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | val: char, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `MyTree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/lib.rs:2:14 [INFO] [stderr] | [INFO] [stderr] 2 | #[derive(Debug, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `suffix` [INFO] [stderr] --> src/lib.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | suffix: Option>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `MyTree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/lib.rs:2:14 [INFO] [stderr] | [INFO] [stderr] 2 | #[derive(Debug, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `endpoint` [INFO] [stderr] --> src/lib.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | endpoint: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `MyTree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/lib.rs:2:14 [INFO] [stderr] | [INFO] [stderr] 2 | #[derive(Debug, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `contains_value` [INFO] [stderr] --> src/lib.rs:11:12 [INFO] [stderr] | [INFO] [stderr] 11 | fn contains_value(&self, input: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `find_suffix` [INFO] [stderr] --> src/lib.rs:22:16 [INFO] [stderr] | [INFO] [stderr] 22 | pub fn find_suffix(&mut self, input: Vec) -> Vec> { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `iter_self_values_dry` [INFO] [stderr] --> src/lib.rs:59:16 [INFO] [stderr] | [INFO] [stderr] 59 | pub fn iter_self_values_dry(&self) -> Vec> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `iter_self_values` [INFO] [stderr] --> src/lib.rs:73:12 [INFO] [stderr] | [INFO] [stderr] 73 | fn iter_self_values(&self, contains_self: bool) -> Vec> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `iter_value_node` [INFO] [stderr] --> src/lib.rs:99:12 [INFO] [stderr] | [INFO] [stderr] 99 | fn iter_value_node(&mut self, input: char) -> &mut MyTree { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/lib.rs:110:16 [INFO] [stderr] | [INFO] [stderr] 110 | pub fn new(node_val: char, ep: bool) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `contains_whole` [INFO] [stderr] --> src/lib.rs:118:16 [INFO] [stderr] | [INFO] [stderr] 118 | pub fn contains_whole(&mut self, input: Vec) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `add_chars` [INFO] [stderr] --> src/lib.rs:133:16 [INFO] [stderr] | [INFO] [stderr] 133 | pub fn add_chars(&mut self, input: Vec) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `random_gen` [INFO] [stderr] --> src/mass_test.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn random_gen() -> Vec { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `mass_gen` [INFO] [stderr] --> src/mass_test.rs:16:12 [INFO] [stderr] | [INFO] [stderr] 16 | pub fn mass_gen(sum1: u32) -> Vec> { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `dict_tree` (bin "dict_tree" test) generated 14 warnings (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.68s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dict_tree-4ccb371ffa704ba8) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dict_tree-6250efa521a654f4) [INFO] [stdout] [INFO] [stderr] Doc-tests dict_tree [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2b7c739bf5c9a2314b99fcaa6eda90f2be80833900ba1df9badcc5c90de57fee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b7c739bf5c9a2314b99fcaa6eda90f2be80833900ba1df9badcc5c90de57fee", kill_on_drop: false }` [INFO] [stdout] 2b7c739bf5c9a2314b99fcaa6eda90f2be80833900ba1df9badcc5c90de57fee