[INFO] updating cached repository https://github.com/maruuusa83/search_tree [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 53d4615a3b6693afc14dea6b2cd03e473eea8d2d [INFO] checking maruuusa83/search_tree against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaruuusa83%2Fsearch_tree" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/maruuusa83/search_tree on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/maruuusa83/search_tree [INFO] finished tweaking git repo https://github.com/maruuusa83/search_tree [INFO] tweaked toml for git repo https://github.com/maruuusa83/search_tree written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/maruuusa83/search_tree already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4736278006ff52f7e5e7761c3c330b8e7334375745dcd23fc24d72c08c28f1d7 [INFO] running `"docker" "start" "-a" "4736278006ff52f7e5e7761c3c330b8e7334375745dcd23fc24d72c08c28f1d7"` [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.3 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking search_tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `naive_tree::NaiveTree` [INFO] [stderr] --> src/lib.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use naive_tree::NaiveTree; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut pair: Pair = Pair { key: index[i], value: rng.gen() }; [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: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let mut pair_2: Pair = Pair { key: pair.key, value: pair.value }; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:27:43 [INFO] [stderr] | [INFO] [stderr] 27 | fn random_insert>(mut st: T) { [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:44:47 [INFO] [stderr] | [INFO] [stderr] 44 | fn sequential_insert>(mut st: T) { [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `insert` [INFO] [stderr] --> src/lib.rs:10:4 [INFO] [stderr] | [INFO] [stderr] 10 | fn insert>(mut st: T, index: &[i32]) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `random_insert` [INFO] [stderr] --> src/lib.rs:27:4 [INFO] [stderr] | [INFO] [stderr] 27 | fn random_insert>(mut st: T) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sequential_insert` [INFO] [stderr] --> src/lib.rs:44:4 [INFO] [stderr] | [INFO] [stderr] 44 | fn sequential_insert>(mut st: T) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut pair: Pair = Pair { key: index[i], value: rng.gen() }; [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: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let mut pair_2: Pair = Pair { key: pair.key, value: pair.value }; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:27:43 [INFO] [stderr] | [INFO] [stderr] 27 | fn random_insert>(mut st: T) { [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:44:47 [INFO] [stderr] | [INFO] [stderr] 44 | fn sequential_insert>(mut st: T) { [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.30s [INFO] running `"docker" "inspect" "4736278006ff52f7e5e7761c3c330b8e7334375745dcd23fc24d72c08c28f1d7"` [INFO] running `"docker" "rm" "-f" "4736278006ff52f7e5e7761c3c330b8e7334375745dcd23fc24d72c08c28f1d7"` [INFO] [stdout] 4736278006ff52f7e5e7761c3c330b8e7334375745dcd23fc24d72c08c28f1d7