[INFO] cloning repository https://github.com/Zeimer/aisd
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zeimer/aisd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZeimer%2Faisd"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZeimer%2Faisd'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bf5ca6bbb362024091da11f2e961796a0e201475
[INFO] checking Zeimer/aisd against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZeimer%2Faisd" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Zeimer/aisd on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Zeimer/aisd
[INFO] finished tweaking git repo https://github.com/Zeimer/aisd
[INFO] tweaked toml for git repo https://github.com/Zeimer/aisd written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Zeimer/aisd already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] c29272e6be2457fa70558a8a72a890038dec99eb341e669b278edec477302bf0
[INFO] running `"docker" "start" "-a" "c29272e6be2457fa70558a8a72a890038dec99eb341e669b278edec477302bf0"`
[INFO] [stderr]     Checking env_logger v0.5.11
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]     Checking aisd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::u32`
[INFO] [stderr]  --> src/depq.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::u32;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/depq.rs:340:29
[INFO] [stderr]     |
[INFO] [stderr] 340 |     fn shrink(&self) -> Box<Iterator<Item = Self>> {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/depq.rs:340:29
[INFO] [stderr]     |
[INFO] [stderr] 340 |     fn shrink(&self) -> Box<Iterator<Item = Self>> {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::Tree::*`
[INFO] [stderr]   --> src/map/bst.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |     use super::Tree::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/map/bst.rs:58:23
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn del(&mut self, key: &K) -> Option<V> {
[INFO] [stderr]    |                       ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/coin_change.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     for mut i in 0 .. coins.len() {
[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: method is never used: `is_heap`
[INFO] [stderr]    --> src/depq.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     fn is_heap(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `size`
[INFO] [stderr]   --> src/map/bst.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn size(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/map/bst.rs:58:23
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn del(&mut self, key: &K) -> Option<V> {
[INFO] [stderr]    |                       ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/coin_change.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     for mut i in 0 .. coins.len() {
[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/map/bst.rs:105:17
[INFO] [stderr]     |
[INFO] [stderr] 105 |             let mut t1 = t.clone();
[INFO] [stderr]     |                 ----^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `aisd::pq::Heap`
[INFO] [stderr]  --> src/bin.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use aisd::pq::Heap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `aisd::depq::DEPQ`
[INFO] [stderr]  --> src/bin.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use aisd::depq::DEPQ;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `aisd::depq::DoubleHeap`
[INFO] [stderr]  --> src/bin.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use aisd::depq::DoubleHeap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `aisd::pq::Heap`
[INFO] [stderr]  --> src/bin.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use aisd::pq::Heap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `aisd::depq::DEPQ`
[INFO] [stderr]  --> src/bin.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use aisd::depq::DEPQ;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `aisd::depq::DoubleHeap`
[INFO] [stderr]  --> src/bin.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use aisd::depq::DoubleHeap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.69s
[INFO] running `"docker" "inspect" "c29272e6be2457fa70558a8a72a890038dec99eb341e669b278edec477302bf0"`
[INFO] running `"docker" "rm" "-f" "c29272e6be2457fa70558a8a72a890038dec99eb341e669b278edec477302bf0"`
[INFO] [stdout] c29272e6be2457fa70558a8a72a890038dec99eb341e669b278edec477302bf0