[INFO] updating cached repository Zeimer/aisd
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Zeimer/aisd
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Zeimer/aisd" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Zeimer/aisd"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Zeimer/aisd'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Zeimer/aisd" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Zeimer/aisd"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Zeimer/aisd'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bf5ca6bbb362024091da11f2e961796a0e201475
[INFO] sha for GitHub repo Zeimer/aisd: bf5ca6bbb362024091da11f2e961796a0e201475
[INFO] validating manifest of Zeimer/aisd on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Zeimer/aisd on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Zeimer/aisd
[INFO] finished frobbing Zeimer/aisd
[INFO] frobbed toml for Zeimer/aisd written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Zeimer/aisd/Cargo.toml
[INFO] started frobbing Zeimer/aisd
[INFO] finished frobbing Zeimer/aisd
[INFO] frobbed toml for Zeimer/aisd written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Zeimer/aisd/Cargo.toml
[INFO] crate Zeimer/aisd has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building Zeimer/aisd against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Zeimer/aisd:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 95cdf2d68f99e6035f0c02ae6bdd769563935519c691ee5d55de38e5fb275c46
[INFO] running `"docker" "start" "-a" "95cdf2d68f99e6035f0c02ae6bdd769563935519c691ee5d55de38e5fb275c46"`
[INFO] [stderr]    Compiling env_logger v0.5.11
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling aisd v0.1.0 (/opt/crater/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: 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: 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: 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 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 6.85s
[INFO] running `"docker" "inspect" "95cdf2d68f99e6035f0c02ae6bdd769563935519c691ee5d55de38e5fb275c46"`
[INFO] running `"docker" "rm" "-f" "95cdf2d68f99e6035f0c02ae6bdd769563935519c691ee5d55de38e5fb275c46"`
[INFO] [stdout] 95cdf2d68f99e6035f0c02ae6bdd769563935519c691ee5d55de38e5fb275c46
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Zeimer/aisd:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8c4c4e22d03a39af30cc817911f5e7f82959c364c31818282e17d44836ab7526
[INFO] running `"docker" "start" "-a" "8c4c4e22d03a39af30cc817911f5e7f82959c364c31818282e17d44836ab7526"`
[INFO] [stderr]    Compiling aisd v0.1.0 (/opt/crater/workdir)
[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: `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/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]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.59s
[INFO] running `"docker" "inspect" "8c4c4e22d03a39af30cc817911f5e7f82959c364c31818282e17d44836ab7526"`
[INFO] running `"docker" "rm" "-f" "8c4c4e22d03a39af30cc817911f5e7f82959c364c31818282e17d44836ab7526"`
[INFO] [stdout] 8c4c4e22d03a39af30cc817911f5e7f82959c364c31818282e17d44836ab7526