[INFO] cloning repository https://github.com/fulstaph/minmaxheap-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fulstaph/minmaxheap-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffulstaph%2Fminmaxheap-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffulstaph%2Fminmaxheap-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c3f5d581174735248fa2e4d2a38bcfa184f7091c [INFO] checking fulstaph/minmaxheap-rust against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffulstaph%2Fminmaxheap-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fulstaph/minmaxheap-rust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fulstaph/minmaxheap-rust [INFO] finished tweaking git repo https://github.com/fulstaph/minmaxheap-rust [INFO] tweaked toml for git repo https://github.com/fulstaph/minmaxheap-rust written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/fulstaph/minmaxheap-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6a1c81ea51fb9d3ebe387840e4e9c6b6348d7428087d9a5f533db06c8ff1317a [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" "6a1c81ea51fb9d3ebe387840e4e9c6b6348d7428087d9a5f533db06c8ff1317a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6a1c81ea51fb9d3ebe387840e4e9c6b6348d7428087d9a5f533db06c8ff1317a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a1c81ea51fb9d3ebe387840e4e9c6b6348d7428087d9a5f533db06c8ff1317a", kill_on_drop: false }` [INFO] [stdout] 6a1c81ea51fb9d3ebe387840e4e9c6b6348d7428087d9a5f533db06c8ff1317a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d41ab4372e28745627a84d34aa1f44ab35f5ee20fbdfe61a285893f56b3405ee [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" "d41ab4372e28745627a84d34aa1f44ab35f5ee20fbdfe61a285893f56b3405ee", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling proc-macro-hack v0.5.12 [INFO] [stderr] Compiling conditional_impl v0.1.1 [INFO] [stderr] Checking conditional v0.1.1 [INFO] [stderr] Checking min-max-heap v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/minmaxheap/minmaxheap.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Range` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ops::Range; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/minmaxheap/minmaxheap.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::minmaxheap::minmaxheap::MinMaxHeap` [INFO] [stdout] --> src/minmaxheap/minmaxheap_tests.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::minmaxheap::minmaxheap::MinMaxHeap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/minmaxheap/minmaxheap_tests.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Range` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ops::Range; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from` [INFO] [stdout] --> src/minmaxheap/minmaxheap.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn from(v: &Vec) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `with_capacity` [INFO] [stdout] --> src/minmaxheap/minmaxheap.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn with_capacity(len: usize) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `empty` [INFO] [stdout] --> src/minmaxheap/minmaxheap.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn empty(&self) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_min` [INFO] [stdout] --> src/minmaxheap/minmaxheap.rs:51:12 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn peek_min(&self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_max` [INFO] [stdout] --> src/minmaxheap/minmaxheap.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn peek_max(&self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `erase` [INFO] [stdout] --> src/minmaxheap/minmaxheap.rs:103:12 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn erase(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `right_child` [INFO] [stdout] --> src/minmaxheap/minmaxheap.rs:218:12 [INFO] [stdout] | [INFO] [stdout] 218 | pub fn right_child(index: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_on_max_level` [INFO] [stdout] --> src/minmaxheap/minmaxheap.rs:229:12 [INFO] [stdout] | [INFO] [stdout] 229 | pub fn is_on_max_level(index: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Operation` [INFO] [stdout] --> src/minmaxheap/minmaxheap_tests.rs:112:6 [INFO] [stdout] | [INFO] [stdout] 112 | enum Operation { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from` [INFO] [stdout] --> src/minmaxheap/minmaxheap_tests.rs:122:12 [INFO] [stdout] | [INFO] [stdout] 122 | pub fn from(num: i32) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `generate_random_data_set` [INFO] [stdout] --> src/minmaxheap/minmaxheap_tests.rs:135:4 [INFO] [stdout] | [INFO] [stdout] 135 | fn generate_random_data_set(size: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `with_capacity` [INFO] [stdout] --> src/minmaxheap/minmaxheap.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn with_capacity(len: usize) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `erase` [INFO] [stdout] --> src/minmaxheap/minmaxheap.rs:103:12 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn erase(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `right_child` [INFO] [stdout] --> src/minmaxheap/minmaxheap.rs:218:12 [INFO] [stdout] | [INFO] [stdout] 218 | pub fn right_child(index: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_on_max_level` [INFO] [stdout] --> src/minmaxheap/minmaxheap.rs:229:12 [INFO] [stdout] | [INFO] [stdout] 229 | pub fn is_on_max_level(index: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.05s [INFO] running `Command { std: "docker" "inspect" "d41ab4372e28745627a84d34aa1f44ab35f5ee20fbdfe61a285893f56b3405ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d41ab4372e28745627a84d34aa1f44ab35f5ee20fbdfe61a285893f56b3405ee", kill_on_drop: false }` [INFO] [stdout] d41ab4372e28745627a84d34aa1f44ab35f5ee20fbdfe61a285893f56b3405ee